Please help me with this homework

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Answer 1

Answer:sasa

Step-by-step explanation:


Related Questions

find the equation that is parallel to the line y=-5x-8 and passes through the point (7,-2).Write the equation in slope intercept form

Answers

An equation of a line that is parallel to the line y=-5x-8 and passes through the point (7, -2) is y = -5x + 33.

How to determine an equation of this line?

In Mathematics and Geometry, the point-slope form of a straight line can be calculated by using the following mathematical expression:

y - y₁ = m(x - x₁)

Where:

x and y represent the data points.m represent the slope.

Since the line is parallel to y=-5x-8, the slope is equal to -5.

At data point (7, -2) and a slope of -5, a linear equation for this line can be calculated by using the point-slope form as follows:

y - y₁ = m(x - x₁)

y - (-2) = -5(x - 7)  

y + 2 = -5x + 35

y = -5x + 35 - 2

y = -5x + 33

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The equation of the line that is parallel to y = -5x - 8 and passes through the point (7,-2) is y = -5x + 33, in slope intercept form.

How to find the the equation in slope intercept form

To find an equation that is parallel to the line y = -5x - 8, we know that it must have the same slope. So the slope of the new line is -5.

Now we use the point-slope form of a linear equation to find the equation of the line passing through (7,-2) with slope -5:

y - y1 = m(x - x1)

where m is the slope and (x1, y1) is the given point.

Substituting the values we get:

y - (-2) = -5(x - 7)

Simplifying and solving for y, we get:

y + 2 = -5x + 35

y = -5x + 33

Therefore, the equation of the line that is parallel to y = -5x - 8 and passes through the point (7,-2) is y = -5x + 33, in slope intercept form.

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consider all undergraduate students at a local university to be a population. in this population, the proportion of students who live on campus is 0.23. in a random sample of 300 students from this population, the proportion who live on campus is 0.19. we would call the number 0.19 a a. z-score. b. p-value. c. parameter. d. statistic. e. significance level.

Answers

The number 0.19 is a d. statistic, which represents a numerical summary of a sample. The z-score would be calculated by (0.19 - 0.23) / sqrt((0.23 * 0.77) / 300) and would indicate how many standard deviations the sample proportion is from the population proportion.

The p-value and significance level would be used in hypothesis testing to determine the likelihood of obtaining a sample proportion as extreme or more extreme than the observed proportion, assuming the null hypothesis is true.

The parameter is the true proportion of all undergraduate students at the local university who live on campus, which is estimated by the sample statistic.

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Which decimal is less than 0. 8 and greater than 0. 02

A. 0. 81

B. 0. 46

C. 0. 86

D. 0. 6

Answers

The decimal which is less than 0. 8 and greater than 0. 02 is 0. 46 (option B).

To answer this question, we need to understand how decimals work. A decimal is a number that represents a value less than one, and it is denoted by a dot or a period. The digits that come after the dot represent the number of tenths, hundredths, thousandths, etc., depending on the place value of the digit.

Now, let's consider the given options: 0.81, 0.46, 0.86, and 0.6. We need to find the decimal that lies between 0.8 and 0.02.

We can eliminate option D, 0.6, as it is less than 0.8. Similarly, we can eliminate option A, 0.81, as it is greater than 0.8.

To choose between options B, 0.46, and C, 0.86, we need to compare them with the given values, 0.8 and 0.02. We can see that 0.46 is less than 0.8 but greater than 0.02.

Therefore, the answer is option B, 0.46.

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3(6+X) = 24
SOLVE THE EUATION

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Answer:

[tex]3(6+x)=24[/tex]

[tex]3x+18=24[/tex]

[tex]3x=6[/tex]

[tex]x=2[/tex]

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Expanding the left side of the equation, we get:

3(6 + x) = 24
18 + 3x = 24

Subtracting 18 from both sides, we get:

3x = 6

Dividing both sides by 3, we get:

x = 2

Therefore, the solution to the equation 3(6 + x) = 24 is x = 2.

What is the missing length of a rectangular prism where the height and width are both 9 cm and the surface area is 432 cm2?

Answers

The missing length is 7.5 cm.

What is a rectangular prism?

A three-dimensional solid form with six faces, including rectangular bases, is called a rectangular prism. A rectangular prism also refers to a cuboid. A cuboid and a rectangular prism have the same cross-section.

Here, we have

Let the missing length be x cm.

The formula for the surface area of a rectangular prism is:

SA = 2lw + 2lh + 2wh

We are given that the height and width are both 9 cm, so we can substitute those values and simplify:

432 = 2(x)(9) + 2(x)(9) + 2(9)(9)

432 = 18x + 18x + 162

432 - 162 = 36x

270 = 36x

x = 270/36

x = 7.5

Hence, the missing length is 7.5 cm.

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2. The value, v(t), of a car depreciates according to the function v(t) = P(.85)', where P is the
purchase price of the car and t is the time, in years, since the car was purchased. State the
percent that the value of the car decreases by each year. Justify your answer.

Answers

the value of the car decreases by 15 percent each year. This means that the value of the car decreases to 85% of its previous year's value every year.

what do you mean by term  decreases  ?

In this context, "decreases" means that the value of the car is getting smaller over time. The term "decrease" is often used in mathematics to describe a decrease in the numerical value of a quantity. In this case, the value of the car is decreasing by 15% each year, which means that its value is getting smaller by 15% of the previous year's value.

In the given question,

The given function for the value of the car is:

v(t) = P(0.85)ⁿ

Here, P is the initial purchase price of the car, and t is the time in years since the car was purchased.

To find the percent that the value of the car decreases by each year, we need to find the ratio of the decrease in value to the initial value, and express it as a percentage.

Let's consider the value of the car after one year, i.e., when t=1. The value of the car after one year is:

v(1) = P(0.85)¹ = 0.85P

The decrease in value from the initial value P is:

P - v(1) = P - 0.85P = 0.15P

Therefore, the ratio of the decrease in value to the initial value is:

(0.15P/P) = 0.15

To express this ratio as a percentage, we multiply by 100, which gives:

0.15 x 100% = 15%

Therefore, the value of the car decreases by 15% each year. This means that the value of the car decreases to 85% of its previous year's value every year.

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a factory has a machine which bends wire at a rate of 2 unit(s) of curvature per second. how long does it take to bend a straight wire into a circle of radius 4?

Answers

If a factory machine bends wire at rate of 2 units of curvature per  second, then the time required to bend the "straight-wire" into a circle of radius of 4 is 12.56 seconds.

The "Circumference" of a circle is defined as the total length of the curve which makes up the circle's outer boundary,

The formula for "circumference" of a circle is ⇒ C = 2 × π × r,

where "C" = circumference, "π" ≈ 3.14159, and "r" = radius,

In this case, the radius of circle is = 4 units,

So, we substitute "r" = 4,

We get,

⇒ Circumference = 2 × π × 4,

⇒ Circumference = 8π

The machine bends wire at a rate of 2 units of curvature per second, we  use the circumference of circle to calculate how long it takes to bend the wire into a complete circle.

The machine bends 2 units of curvature per second, and the circumference of the circle is 8π units,

So, the time taken to bend wire into a complete circle is :

⇒ Time = (Circumference)/(Rate of bending),

⇒ Time = 8π/2,

⇒ Time = 4π ≈ 12.56 seconds.

Therefore, it would take approximately 12.56 seconds to bend a "straight-wire" into a circle.

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___________ is the number of individual buy orders and the total number of shares that wish to buy. ​

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Buy-side order flow is the number of individual buy orders and the total number of shares that wish to buy. ​

This is a crucial metric that is used by traders, investors, and analysts to gauge the demand for a particular security or asset.

The buy-side order flow refers to the number of shares that market participants want to purchase at a given time, and it provides valuable insights into the sentiment of the market. If there are more buy orders than sell orders, then there is a higher demand for the security, which can lead to an increase in the price of the asset. On the other hand, if there are more sell orders than buy orders, then there is a higher supply of the security, which can lead to a decrease in the price of the asset.

Traders and investors use buy-side order flow data to help them make informed decisions about when to buy or sell a security. By analyzing the number of buy orders and the total number of shares that wish to buy, they can identify trends and patterns in the market, and adjust their strategies accordingly. Additionally, buy-side order flow data can be used to help identify potential support and resistance levels for a security, which can be useful in setting stop-loss orders and other risk management measures.

Overall, the buy-side order flow is an important metric that provides valuable insights into the sentiment of the market and helps traders and investors make informed decisions about their investments.

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EFGH is a kite. Find angle G.

Answers

The value of angle G for both kites are respectively:

∠G = 110°

∠G = 80°

How to find the missing angle of the kite?

In a kite, the angles between the two non- congruent sides usually have the same angle size. Thus:

∠E ≅ ∠G

In a quadrilateral, the sum of the inner angles is 360 degrees. Thus:

100 + 40 + ∠E + ∠G = 360

140 + 2(∠G) = 360

2(∠G) = 360 - 140

(∠G) = 220/2

∠G = 110°

Similarly, for the second kite:

∠G = 360 - (110 + 60 + 110)

∠G = 80°

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A circle with center O and radius 5 has central angle XOY. X and Y are points on the circle. ​If the measure of arc XY is 90 degrees, what is the length of chord XY?

Answers

The length of chord XY is 5√2.

What is the length of the chord?

It is described as the line segment that connects any two points on the circle's circumference without going through the circle's center. As a result, the diameter is the chord of a particular circle that is the longest and goes through its center. In mathematics, determining the chord's length can be crucial at times.

Here, we have

Given: A circle with center O and radius 5 has a central angle XOY. X and Y are points on the circle. ​If the measure of arc XY is 90 degrees.

We have to find the length of chord XY.

∠XOY = 90°

OX = OY = 5

We draw a perpendicular from the center to chord XY bisect XY at D.

Now, since OD bisects ∠XOY

∠XOD = ∠YOD = 90°/2 = 45°

Now, in ΔXOD

sin45° = XD/OX

1/√2 = XD/5

5/√2  = XD...(1)

In ΔYOD

sin45° = YD/OY

5/√2  = YD...(2)

Adding (1) and (2), we get

XD + YD = 5/√2 + 5/√2

XY = 5√2

Hence, the length of chord XY is 5√2.

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you are in charge of conducting a very important study on the efficacy of imitrex on migraine sufferers. you ask 25 women to test this drug. each of the 25 women is given 'excedrin for migraines' immediately after the onset of their first migraine, after which you measure the time it takes for the headache to subside. after the onset of their second migraine, you give them imitrex and again measure the time it takes for the headache to subside. assuming the data are normally distributed, which is the most appropriate statistical test to determine if imitrex works better than excedrin at eliminating migraines?

Answers

If the p-value obtained from the paired t-test is less than the predetermined level of significance (usually 0.05), then it can be concluded that there is a statistically significant difference between the two treatments, and that imitrex is more effective than excedrin at eliminating migraines.

To determine if Imitrex works better than Excedrin at eliminating migraines in your study, the most appropriate statistical test to use is the Paired Samples t-test.

This test is suitable because:
We have two related samples: the same 25 women are given both Excedrin and Imitrex, so their response times are paired.
We're comparing the mean response times between two treatments, which requires a t-test.

The data is assumed to be normally distributed.
To conduct the Paired Samples t-test, follow these steps:
Calculate the difference in response times for each woman (Imitrex time - Excedrin time).

Calculate the mean of these differences.

Calculate the standard deviation of the differences.

Determine the degrees of freedom (25 women - 1 = 24).

Using the mean, standard deviation, and degrees of freedom, calculate the t-statistic.
Compare the t-statistic to the critical value from the t-distribution table, using your chosen significance level (e.g., 0.05).
If the t-statistic is greater than the critical value, reject the null hypothesis, concluding that there's a significant difference between the effectiveness of Imitrex and Excedrin for migraine relief.

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To determine if Imitrex works better than Excedrin, the most appropriate statistical test to use would be a "paired t-test."

We are comparing the efficacy of Imitrex and Excedrin for Migraine in the same group of 25 women, with each woman acting as her own control. You are measuring the time it takes for the headache to subside after administering each drug. To determine if Imitrex works better than Excedrin, the most appropriate statistical test to use would be a "paired t-test."

Step-by-step explanation:

1. Record the time it takes for the headache to subside after administering Excedrin and Imitrex to each woman.
2. Calculate the difference in time for each woman between the two drugs.
3. Compute the mean and standard deviation of these differences.
4. Perform a paired t-test to compare the mean difference to 0 (no difference between the two drugs).
5. Assess the p-value obtained from the t-test. If the p-value is less than the significance level (usually 0.05), then you can conclude that there is a statistically significant difference between the two drugs, suggesting that Imitrex works better than Excedrin in eliminating migraines.

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what are the answers to this?

Answers

The quotient and the remainder of the rational function are x + 4 and - 4.

How to determine the quotient and the remainder

In this problem we find the case of a rational function of the form R(x) = P(x) / Q(x), where P(x) and Q(x) are polynomials for the numerator and the denominator, respectively. The result of the rational function is represented by the following expression:

R(x) = S(x) + D(x) / Q(x)

Where:

S(x) - QuotientD(x) - Remainder

If we know that P(x) = 2 · x² + 16 · x + 24 and Q(x) = 2 · x + 4, then the quotient and the remainder are, respectively:

R(x) = (2 · x² + 16 · x + 24) / (2 · x + 4)

R(x) = [2 · (x² + 8 · x + 12)] / [2 · (x + 4)]

R(x) = (x² + 8 · x + 12) / (x + 4)

R(x) = [(x² + 8 · x + 16) - 4] / (x + 4)

R(x) = [(x + 4)² - 4] / (x + 4)

R(x) = (x + 4) - 4 / (x + 4)

Quotient: (x + 4)

Remainder: - 4

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Which inequality is true when the value of w is -3?

Answers

-w-9>5.5 will be your correct answer.
-3-9 = 12
12>5.5
Therefore this equation is true. The others are false. Hope this helps you:)

Verify that the segments are parallel.

10. CD || AB

Answers

This means that the corresponding sides of the two triangles are in proportion, and therefore CD is parallel to AB, as required.

What is triangle?

A triangle is a polygon with three sides and three angles. It is one of the basic shapes in geometry and is often used in mathematics, science, engineering, and art. Triangles can be classified into different types based on the length of their sides and the size of their angles. Triangles are used in various applications, such as in the construction of buildings, bridges, and other structures, as well as in navigation and surveying. They are also important in various fields of mathematics, including trigonometry and geometry.

Here,

To use similarity theorems to show that CD is parallel to AB, we need to first establish that triangles AEB and CED are similar. If we can show that these triangles are similar, then we can use the corresponding angles theorem, which states that if two pairs of corresponding angles are congruent, then the lines containing the sides are parallel.

Let's compare the two triangles AEB and CED:

Angle AEB is congruent to angle CED (both are vertical angles).

Angle EAB is congruent to angle ECD (both are alternate interior angles formed by a transversal cutting parallel lines AB and CD).

Angle BAE is congruent to angle DCE (both are alternate interior angles formed by a transversal cutting parallel lines AB and CD).

Therefore, we have established that triangles AEB and CED are similar by the angle-angle-angle similarity theorem.

Now that we have shown that the triangles are similar, we can use the corresponding sides theorem, which states that the corresponding sides of similar triangles are in proportion, to find out if CD is parallel to AB.

The corresponding sides of AEB and CED are:

AE/CE = AB/CD

Substituting the given values, we have:

AC + CE / CE = AB / BD

4 + 12 / 12 = AB / (14/3)

16/12 = AB / (14/3)

AB = (16/12) x (14/3)

= 56/9

Now we can use the corresponding sides theorem to find the length of CD:

AE/CE = AB/CD

Substituting the values we have found, we get:

4/12 = (56/9)/CD

CD = (56/9) x (12/4)

= 14

Since we have found that AB = 56/9 and CD = 14, we can see that:

AB/CD = (56/9)/14

= 4/3

This means that the corresponding sides of the two triangles are in proportion, and therefore CD is parallel to AB, as required.

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The principal advantage of the Dodge-Romig tables is: A. minimum inspection B. its desirability for receiving inspection C. smaller lot sizes D. simplicity

Answers

The principal advantage of the Dodge-Romig tables is their simplicity. Therefore, the correct answer is D. simplicity.

The Dodge-Romig tables are statistical sampling tables used in quality control to determine the acceptance or rejection

of a production lot based on sample size and the number of defects found in the sample.

The principal advantage of the Dodge-Romig tables is their simplicity.

They provide a quick and easy method for determining the acceptability of a production lot, without the need for

extensive calculations or statistical knowledge.

This means that they can be used by personnel with limited training in quality control.

The principal advantage of the Dodge-Romig tables is their simplicity. While they can be used for receiving inspection,

their main benefit is in minimizing inspection time and effort by providing clear guidelines for lot sampling and

acceptance based on size and level of defects.

Additionally, their use can facilitate smaller lot sizes and more efficient quality control processes.

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CAN SOMEONE PLEASE HELP ME WITH THIS :((
What is the value or arc PQ? Only enter numerical values.​

Answers

The value of arc PQ is 110°

What is circumference of a circle?

The circumference of a circle is the length of the 360 degree arc of that circle. Therefore the sum of the arc on a circumference of a circle is 360°

Therefore ,

8x-10+ 6x + 10x+10 = 360

24x -10+10 = 360

24x = 360

divide both sides by 24

x = 360/24

x = 15

therefore the value of x is 15

Arc PQ = 8x -10

substitute 15 for x

ArcPQ = 8×15-10

= 120-10

= 110°

therefore the value of arc PQ is 110°

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farmers use herbicides to limit the growth of weeds among their crops. do you think it would be appropriate to display these data in a histogram without first plotting them in a time plot? explain why or why not.

Answers

Whether to use a histogram or a time plot depends on the specific objective of your analysis. A histogram

is suitable for analyzing the distribution of herbicide usage, while a time plot is better for analyzing trends over time.

It would be appropriate to display these data in a histogram without first plotting them in a time plot if you are looking

to analyze the distribution or frequency of herbicide usage across different amounts or categories.

A histogram can provide a clear visualization of the distribution and help identify any patterns or trends in the data.

However, if your goal is to analyze the trend of herbicide usage over time, then it would be more appropriate to use a

time plot.

A time plot will show changes in the usage of herbicides over a specific time period and help identify any seasonal

patterns or trends in the data.

In summary, whether to use a histogram or a time plot depends on the specific objective of your analysis. A histogram

is suitable for analyzing the distribution of herbicide usage, while a time plot is better for analyzing trends over time.

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Over the past month, the Westminster library has loaned out many CDs, which are categorized by genre. Latin 86 rock 16 hip-hop 45 reggae 126 What is the experimental probability that the next CD loaned out will be a reggae CD?

Answers

Therefore , the solution of the given problem of probability comes out to be the experimental likelihood that a reggae CD will be the next one lent out is roughly 0.4615, or 46.15%.

What exactly is probability?

Any considerations technique's main objective is to determine the likelihood event that a claim is true or that a particular incident will happen. Any number from 0 to 1, where 0 traditionally represents a percentage and 1 typically denotes the degree of certainty, can be used to represent chance. A probability illustration shows the likelihood that a particular event will occur.

Here,

Given: 86 Latin CDs were lent out, 16 were rock CDs, 45 were hip-hop CDs, and 126 were reggae CDs.

=> CDs loaned out in total: 86 + 16 + 45 + 126 = 273

=> 126 reggae CDs were lent out.

Number of reggae CDs loaned out relative to the total number of CDs loaned out, experimental likelihood of lending a reggae CD

=> A reggae CD's experimental chance of being lent out  = 126/273.

We may calculate the experimental probability's approximation using a calculator as follows:

=> A reggae CD will be lent out with an experimental probability of 0.4615.

Therefore, the experimental likelihood that a reggae CD will be the next one lent out is roughly 0.4615, or 46.15%.

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Answer:

126/273

Step-by-step explanation:

Plssss help it is asking to find the surface area of this triangular prism

Answers

The total surface area of the triangular prism is calculated to be equal to 608 square centimeters.

How to calculate for the total surface area of the triangular prism

The triangular prism can be observed to be a large rectangle and two identical triangles, so we shall calculate for the total surface area as follows:

area of one triangle = 1/2 × 8 cm × 12 cm

area of one triangle = 48 cm²

area of the two triangle faces = 2(48) = 96 cm²

area of the large rectangle face = (10 + 12 + 12) cm × 16 cm = 512 cm²

Total surface area of prism = 96 cm² + 512 cm² = 608 cm²

Therefore, the total surface area of the triangular prism is calculated to be equal to 608 square centimeters.

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What is the width of the pool?

Answers

Answer:

249 feet

Step-by-step explanation:

Hello!

Let the missing side be x.

We can use a trigonometric ratio to solve this question. The one we are going to use is Tangent.

There are 3 trigonometric ratios: Sin (Opposite/Hypotenuse), Cos (adjacent/hypotenuse), and Tan(Opposite/Adjacent).

We need to use the ratio that involves the 2 sides, 144 and x. That would be Tan, as x is opposite to 60°, and 144 is adjacent to 60°.

Solve for x:tan(60) = x/144tan(60) * 144 = x   => Plug tan(60) into a calculator, and multiply the result by 144.
249.415... = xx ≈249

The missing side is 249 feet.

The cost, in dollars, of a single-story home can be approximated using the formula
C = klw, where is the approximate length of the home and w is the approximate
width of the home. Find the units for the coefficient k.

Answers

The unit for the coefficient k would be dollars per unit of length squared.

Units of a variable

To find the units for the coefficient k in the formula C = klw, we need to analyze the units of each variable.

C represents the cost of the home, which is measured in dollars.

l represents the length of the home, which is measured in some units of length, such as feet or meters.

w represents the width of the home, which is also measured in some units of length, such as feet or meters.

Therefore, we can determine the units for k by analyzing how the units for C, l, and w combine in the formula C = klw.

Starting with the left-hand side of the equation, we know that C represents dollars.

On the right-hand side of the equation, we have k times l times w. To determine the units of k, we need to figure out what units would make the entire right-hand side of the equation equal to dollars.

Since we are multiplying three quantities (k, l, and w), the units of k must cancel out the units of length in l and w in order to leave us with units of dollars.

This means that the units of k must be dollars per unit of length squared. We can write this as:

k = $/length^2

So, the units for the coefficient k in the formula C = klw are dollars per unit of length squared.

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5. This solid was created by joining two right rectangular prisms.
4½ cm
8 cm
4 cm
-9 cm
10½ cm
Enter the volume of the solid, in cubic centimeters.

Answers

The volume of the solid as shown in the diagram is 540 cm².

What is volume?

Volume is the space occupied by a solid shape.

To calculate the volume of the of the solid, we use the formula below

Formula:

V = LWH+lwh............................ Equation 1

Where:

V = Volume of the solid L = Length of the bigger prismW = Width of the bigger prismH = Height of the bigger prisml = Length of the smaller prismw = Width of the smaller prismh = Height of the smaller prism

From the diagram in question,

Given:

L = 10.5 cmW = 9 cmH = 4 cml = 9 cmw = 4.5 cmh = 4 cm

Substitute these values into equation 1

A = (10.5×9×4)+(9×4.5×4)A = 378+162A = 540 cm³

Hence, the volume is 540 cm³.

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match the answers to the questions. ⚠️due tmr!

Answers

Below is the correct matching of the questions to the right answers

Mean average deviation - (C) The average deviation of the data from the mean.Range of a data set - (E) The difference between the highest value and the lowest value in a numerical data set.First quartile - (AB) The median in the lower half of the rank-ordered data.Second quartile - (B) The median value in the data set.Third quartile - (A) The median in the upper half of the rank-ordered data.Interquartile range - (D) The distance between the first and third quartiles of the data set.

What you should know about statistical measures

The statistical measures listed in the previous question are often used to describe and analyze statistical variables.

For instance, the range of a data set is a measure of the spread of values in a variable, while the quartiles and interquartile range provide information about the distribution of the variable. Mean average deviation is a measure of the variability of the variable around its mean value.

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1. Mean average deviation - The average deviation of the data from the mean.

2. Range of a data set - The difference between the highest value and the lowest value in a numerical data set.

3. First quartile - The median in the upper half of the rank-ordered data.

4. Second quartile - The median value in the data set.

5. Third quartile - The median in the lower half of the rank-ordered data.

6. Interquartile range - he distance between the first and third quartiles of the data set.

What you should know about statistical measures?

The statistical measures are often used to describe and analyze statistical variables. For instance, the range of a data set is a measure of the spread of values in a variable, while the quartiles and interquartile range provide information about the distribution of the variable. Mean average deviation is a measure of the variability of the variable around its mean value.

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A two-bedroom house in Seattle was worth $400,000 in 2005. Its appreciation rate is 3.5% each year.
a. How much is the house worth in 2015?
b. When will it be worth $800, 000?
c. In Jacksonville, houses are depreciating at 2% per year. If a house is worth $200, 000 now, how much value
will it have lost in 10 years?

Answers

Answers:

(a)    $564,239.50

(b)    2026

(c)    $36,585.44

==========================================

Explanation:

Part (a)

One template for exponential equations would be

y = a*b^x

Another template is

y = a(1+r)^x

which is a bit more descriptive. I'll use the second template.

a = 400000 = starting valuer = 0.035 = growth rate in decimal form

r is positive for exponential growth or appreciation.

The equation y = a(1+r)^x updates to y = 400000*(1+0.035)^x and then simplifies to y = 400000*(1.035)^x

From here we plug in x = 10 because the year 2015 is ten years after 2005.

So,

y = 400000*(1.035)^x

y = 400000*(1.035)^10

y = 564239.504248449

y = 564239.50

The house is worth about $564,239.50 in the year 2015.

------------

Part (b)

We work the process of part (a) in reverse.

This time we know what y is and we want to solve for x.

Use logarithms to isolate the exponent.

y = 400000*(1.035)^x

800000 = 400000(1.035)^x

800000/400000 = (1.035)^x

2 = (1.035)^x

Log(2) = Log( (1.035)^x )

Log(2) = x*Log( 1.035 )

x = Log(2)/Log(1.035)

x = 20.1487916840008

If x = 20, then,

y = 400000*(1.035)^x

y = 400000*(1.035)^20

y = 795,915.545386338

y = 795,915.55

We're short of the goal of $800,000.

If x = 21, then

y = 400000*(1.035)^x

y = 400000*(1.035)^21

y = 823,772.589474859

y = 823,772.59

We've gone over the goal.

Somewhere between x = 20 and x = 21 is when the house will be worth exactly $800,000.

It's better to side with x = 21 since x = 20 comes up short.

21 years after 2005 is 2005+21 = 2026

------------

Part (c)

Go back to the template: y = a(1+r)^x

This time we have

a = 200,000r = -0.02

The r value is negative to indicate exponential decay or depreciation.

y = a(1+r)^x

y = 200000(1+(-0.02))^x

y = 200000(1-0.02)^x

y = 200000(0.98)^x

The 0.98 means the house keeps 98% of its value from year to year.

Plug in x = 10.

y = 200000(0.98)^x

y = 200000(0.98)^10

y = 163,414.56137751

y = 163,414.56

The house starts off at $200,000 and ten years later it's $163,414.56

Subtract the values to determine how much home value was lost.

200,000 - 163,414.56 = 36,585.44

The home value will have lost $36,585.44 over the 10 year period.

assume that for some statistic 1000 tests were performed. to avoid the situation of the incorrectly found significance, bonferroni correction was applied. the resulting p-value is 0.00013. what significance level was chosen for the tests? the significance level was:

Answers

The significance level chosen for the tests with total number of test performed as 1000 for given p-value is equal to 0.87 or 87%.

Total number of test performed = 1000

p-value is equal to 0.00013

The Bonferroni correction involves ,

Adjusting the significance level for multiple comparisons by dividing it by the number of comparisons performed.

Here, 1000 tests were performed and the resulting p-value is 0.00013.

The significance level that was chosen for the tests,

Reverse the Bonferroni correction by multiplying the p-value by the number of comparisons,

adjusted p-value = p-value / number of comparisons

number of comparisons = 1000

adjusted p-value = 0.00013

p-value = adjusted p-value x number of comparisons

⇒p-value = 0.00013 x 1000

⇒p-value = 0.13

So the original p-value before the Bonferroni correction was 0.13.

The significance level, we subtract the p-value from 1,

significance level = 1 - p-value

⇒significance level = 1 - 0.13

⇒significance level = 0.87

Therefore, the significance level chosen for the tests was 0.87 or 87%

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the ____ numbering system is base 16; in other words, 16 numerals are used to express any given number

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The hexadecimal system numbering system is base 16; in other words, 16 numerals are used to express any given number.

In this system, 16 numerals are used to represent any given number. The numerals used in this system are 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, A, B, C, D, E, and F, where A represents 10, B represents 11, and so on, up to F, which represents 15.

This system is commonly used in computer science, as it is more compact than the decimal system, and allows for easier conversion between binary and decimal systems. In the hexadecimal system, each digit represents a power of 16, just as each digit in the decimal system represents a power of 10.

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Write the point-slope form of the equation of the line that passes through the points (6, -9) and (7, 1). Include your work in your final answer. Type your answer in the box provided to submit your solution.

Answers

Therefore , the solution of the given problem of equation comes out to be 10x - y = 51 is the point-slope form of the equation of the line passing through the points (6, -9) and (7, 1).

Explain the equation.

Variable words are frequently used in complex algorithms to show consistency between two arguments that are opposed to one another. Academic expressions called equations are used to show the equality of various academic figures. Take into account the details in the z + 7 proposals.

Here,

The equation for the line passing between the points (6, -9) and (7, 1) must be found in the point-slope form.

Using the equation m = (y2 - y1) / (x2 - x1), find the slope (m) of the line, where (x1, y1) and (x2, y2) are the coordinates of the two points.

=> (x1, y1) = (6, -9)

=> (x2, y2) = (7, 1)

=> m = (1 - (-9)) / (7 - 6)

=> m = 10 / 1 m = 10

Consequently, the line's slope is 10.

=> y - y1 = m(x - x1)

=> m = 10 (x1, y1) = (6, -9)

=> y - (-9) = 10(x - 6)

=> y + 9 = 10x - 60

=> 10x - y = 51

Therefore, 10x - y = 51 is the point-slope form of the equation of the line passing through the points (6, -9) and (7, 1).

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Cual es la constante de proporcionalidad para encontrar la cantidad por pagar a partir del número de cocadas si ni sabes no contestes o si no te denunció ​

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The proportionality constant to find the amount to be paid based on the number of "cocadas" is the price per "cocada"

Proportionality constant is a mathematical term that refers to the constant value that relates two variables that are directly proportional to each other.

The proportionality constant to find the amount to be paid based on the number of "cocadas" will depend on the price per "cocada".

Let's say the price per "cocada" is represented by the variable "p" (in some currency), and the number of "cocadas" purchased is represented by the variable "n".

Then, the amount to be paid can be calculated using the formula

amount to be paid = p × n

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A landscaping business owner buys a new riding mower for $9,600. 0. The owner makes a $1,000 down payment and applies for an $8,600 four-year, 3. 5% interest rate installment loan, with monthly payments of $192. 26. What is the total cost of the mower? $8,600. 00 $9,600. 00 $9,228. 56 $10,228. 48

Answers

The total cost of mower is $10,228.48. The correct option from the following option given is D.

A down payment on a cottage is the money paid in advance by the buyer in a real estate transaction or other large purchase. Down payments are typically a portion of the sales price and can range from 3% to 20% for a primary residence.

The total cost of the mower will be the sum of the down payment and the total amount paid through the loan:

Down payment = $1,000

Total amount paid through the loan = (monthly payment) x (number of months) = $192.26 x 48 = $9,228.48

The total cost of the mower is:

Total cost = Down payment + Total amount paid through the loan

Total cost = $1,000 + $9,228.48

Total cost = $10,228.48

Therefore, the total cost of the mower is $10,228.48.

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A line intersects the points (-3, 4) and
(-2, 3). What is the slope-intercept
equation for this line?
y = -x + [?]

Answers

The slope-intercept equation of line is -1 and equation will be y = -x - 1.

What is the slope?

m = (y2 - y1) / (x2 - x1) is the formula for calculating slope from two points on a line, (x1, y1) and (x2, y2). Here,

m = the line's slope

x1 is equal to the initial point's x-coordinate.

y1 is the first point's y-coordinate.

x2 is equal to the second point's x-coordinate.

The second point's x-coordinate is equal to y2.

x1 = -3, y1 = 4; x2= -2, y2=3

m = (3-4)/(-2 - (-3))

= -1 / (-2+3)

= -1/1

m = -1

Substitute the value in given equation:

y = -x + (-1)

y = -x - 1

Hence, the slope-intercept equation of line is -1 and equation will be y = -x - 1.

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