Answer:
48
Step-by-step explanation:
You want to know the number of cans 4 inches tall with a volume of 50.24 in³ that will fit on a shelf with a height and depth of 10 inches and a length of 50 inches.
DiameterThe diameter of the can will be found from the volume formula:
V = (π/4)d²h
d = √(4V/(πh)) = √(4·50.24/(4·3.14)) = √16 = 4 . . . inches
The cans are 4 inches in diameter.
NumberThe number of cans that will fit in each dimension will be the integer part of the dimension divided by the size of the can in that dimension.
Height: (10 in)/(4 in/can) = 2.5 cans . . . . cans will fit 2 cans high
Depth: (10 in)/(4 in/can) = 2.5 cans . . . . cans will fit 2 cans deep
Length: (50 in/4 in/can) = 12.5 cans . . . . cans will fit 12 cans long
A total of 2 × 2 × 12 = 48 cans will fit on the shelf.
__
Additional comment
There will be 2 inches of empty space in each direction.
<95141404393>
The value of the digit five in 24,513 is how many times the value of the five in 357
The value of the digit 5 in 24,513 is 1,000 times the value of the digit 5 in 357.
In the number 357, the digit 5 is in the ones area, which means that its value is just 5. We can write this number as 5 x 10^0, where 10 is the base of our number system, and the exponent 0 represents the ones area.
Now, to find out how many times the value of the digit 5 in 357 is compared to the value of the digit 5 in 24,513, we need to divide the value of the digit 5 in 24,513 by the value of the digit 5 in 357.
We have:
Value of 5 in 24,513 = 5 x 10³
Value of 5 in 357 = 5 x 10⁰
So,
Value of 5 in 24,513 ÷ Value of 5 in 357 = (5 x 10³) ÷ (5 x 10⁰)
We can simplify this expression by dividing 5 by 5, which gives us:
(5 x 10³) ÷ (5 x 10⁰) = 10³ = 1000
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in a sample of 307 pop music selections, the key was identified correctly in 245 of them. in a sample of 347 new-age selections, the key was identified correctly in 304 of them. can you conclude that the method is more accurate for new-age songs than for pop songs?
Find two algebraic expressions for the area of each figure. First, regard the figure as one large rectangle, and then regard the figure as a sum of four smaller rectangles
According to the algebraic expressions, the sum of four smaller rectangles is 96.
First, let's consider the figure as one large rectangle. To find the area of a rectangle, we multiply its length by its width. In this case, the length of the rectangle is 8 and the width is 6 + 2 + 4 = 12. Therefore, the expression for the area of the rectangle can be written as:
Area = length x width
Area = 8 x 12
Area = 96
So the area of the figure as one large rectangle is 96 square units.
To find the area of each rectangle, we'll use the formula for the area of a rectangle, which is length x width. We can see from the figure that:
Rectangle A has a length of 8 and a width of 6
Rectangle B has a length of 8 and a width of 2
Rectangle C has a length of 4 and a width of 6
Rectangle D has a length of 4 and a width of 2
Therefore, the expressions for the area of each rectangle can be written as:
Area_A = length x width
Area_A = 8 x 6
Area_A = 48
Area_B = length x width
Area_B = 8 x 2
Area_B = 16
Area_C = length x width
Area_C = 4 x 6
Area_C = 24
Area_D = length x width
Area_D = 4 x 2
Area_D = 8
To find the total area of the figure, we simply add up the areas of the four rectangles. Therefore, the expression for the area of the figure as a sum of four smaller rectangles can be written as:
Area = Area_A + Area_B + Area_C + Area_D
Area = 48 + 16 + 24 + 8
Area = 96
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Joey deposits $6000 each into the two savings accounts described below. If he doesn’t make any other deposits or withdrawals, find the combined amount of accounts after 10 years.
Account 1
3.5% annual simple interest
Account 2
3.5% annual compound interest
The combined amount in both accounts after 10 years is $16,869.58
What is formula of simple interest and compound interest ?To solve the problem, we need to use the following formulas:
Simple Interest = Principal x Rate x Time
Compound Interest = [tex]Principal * (1 + Rate/ n)^{n * Time}[/tex]
where:
Principal = the initial deposit
Rate = the interest rate (in decimal form)
Time = the number of years
n = the number of times interest is compounded per year
For Account 1:
Simple Interest = Principal x Rate x Time
= $6000 x 0.035 x 10
= $2100
The amount in Account 1 after 10 years will be the initial deposit plus the interest earned:
= $6000 + $2100
= $8100
For Account 2:
Since the interest is compounded annually, n = 1.
Compound Interest = [tex]Principal * (1 + Rate/ n)^{n * Time}[/tex]
= [tex]6000 *(1 + 0.035/1)^{1 * 10}\\= $6000 (1.035)^{10}\\= $8769.58[/tex]
After ten years, the amount in Account 2 will be $8769.58.
After ten years, the combined amount in both accounts will be:
$8100 minus $8769.58 equals $16869.58, resulting in a total of $16,869.58 in both accounts after ten years.
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Pollyomial Roller coaster project! HELP PLEASE
please show all work, below is an example, rubric, and what's needed in this graph.
please show the graph and Factored form
Thank you
The description of the polyomial roller coaster project is shown below
Solving the polyomial roller coaster projectProposal for the "Imaginary Rush" Roller Coaster:
Coaster name: Imaginary RushFactored form of polynomial: 1/10(x + 1)(x - 2)(x - 4)(x + 5i)(x - 5i)Standard form of the polynomial: f(x) = 1/10[x⁵ - 5x⁴ + 27x³ - 117x² + 50x + 200]The polynomial's graph is attached
Description of how client specifications are met:
The coaster starts on ground level, as the graph of the polynomial crosses the x-axis at x = -1.The coaster goes underground, as the graph dips below the x-axis at x = 4.The coaster includes the imaginary root, as the polynomial has two complex roots at x = 5i and x = -5i.The coaster "grazes" the ground, as the graph of the polynomial touches the x-axis at x = 2.Interpretation of the practicality of the design:
The design of Imaginary Rush is both exciting and practical. The coaster meets all the client's specifications while also providing a thrilling ride for coaster enthusiasts.
The dips and peaks of the coaster follow the behavior of the polynomial, providing a unique experience for riders.
The use of the imaginary root adds an additional level of excitement to the ride, making it stand out from other roller coasters.
Overall, the design of Imaginary Rush is both fun and practical, making it an excellent addition to any theme park.
Discussion of the polynomial's behaviors:
Tail Behavior: As x approaches negative infinity, the value of the function approaches negative infinity. As x approaches positive infinity, the value of the function approaches positive infinity.Relative Maxima/Minima: The polynomial has a relative maximum at x = 2 and a relative minimum at x = 4.Intervals of increasing/decreasing behavior: [tex]\mathrm{as}\:x\to \:-\infty \:,\:f\left(x\right)\to \:-\infty \:[/tex], [tex]\mathrm{as}\:x\to \:+\infty \:,\:f\left(x\right)\to \:+\infty \:,\:\:\mathrm{and\:as}\:x\to \:-\infty \:,\:f\left(x\right)\to \:-\infty \:[/tex]Read more about polynomial at
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Question A scale model of a ramp is a right triangular prism as given in this figure. In the actual ramp, the triangular base has a height of 0.6 yards. What is the surface area of the actual ramp, including the underside? Enter your answer as a decimal in the box. yd² Right triangular prism. Each base is a triangle whose legs are 8 in, 5 in, and 5 in. The height of the triangles is 3 in. The prism is oriented so that the side labeled 8 in is on the bottom. The distance between the bases is labeled 4 in.
The surface area of the actual ramp, including the underside, is approximately 15.38 yd².
What is triangle?
A triangle is a three-sided polygon with three angles. It is a fundamental geometric shape and is often used in geometry and trigonometry.
To find the surface area of the actual ramp, we need to first find the dimensions of the ramp.
We are given that the scale model of the ramp is a right triangular prism with legs of 8 in, 5 in, and 5 in, and a height of 3 in. We can use these dimensions to find the dimensions of the actual ramp.
Since the ramp is a scale model, the ratio of the dimensions of the model to the actual ramp is the same for all corresponding dimensions. The height of the triangular base in the actual ramp is given as 0.6 yards, which is equal to 21.6 inches. So, we have:
height of actual ramp / height of model = 21.6 in / 3 in = 7.2
We can use this ratio to find the dimensions of the actual ramp:
height of actual ramp = 7.2 * 3 in = 21.6 in
length of actual ramp = 7.2 * 8 in = 57.6 in
width of actual ramp = 7.2 * 5 in = 36 in
Now we can find the surface area of the actual ramp. The surface area of the top and bottom of the ramp is the area of the triangular base plus the area of the rectangle formed by the length and width of the ramp:
Area of triangular base = (1/2) * base * height = (1/2) * 5 in * 5 in = 12.5 in²
Area of rectangular top and bottom = length * width = 57.6 in * 36 in = 2073.6 in²
Total surface area of top and bottom = 2 * (Area of triangular base + Area of rectangular top and bottom) = 2 * (12.5 in² + 2073.6 in²) = 4153.2 in²
The surface area of the sides of the ramp is the area of the three rectangles formed by the height and width of the ramp:
Area of one side rectangle = height * width = 21.6 in * 36 in = 777.6 in²
Total surface area of sides = 3 * Area of one side rectangle = 3 * 777.6 in² = 2332.8 in²
Finally, we add the surface area of the top and bottom to the surface area of the sides to get the total surface area of the ramp:
Total surface area of ramp = Surface area of top and bottom + Surface area of sides = 4153.2 in² + 2332.8 in² = 6486 in²
Converting to yards and rounding to two decimal places, we get:
Total surface area of ramp = 6486 in² / (36 in/yd)² = 15.38 yd² (rounded to two decimal places)
Therefore, the surface area of the actual ramp, including the underside, is approximately 15.38 yd².
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11
10. Write the expression in the form
ax+b that is equivalent to
(3.6x-1.4)-(1.8x-5.5). Select the
coefficient and constant to complete
the expression.
-5.4
-1.8
1.8
5.4
x +
6.9
4.1
(-4.1)
(-6.9)
The given expression in the form ax + b will be (B) 1.8x + 4.1.
What are expressions?A finite collection of symbols that are properly created in line with context-dependent criteria is referred to as an expression, sometimes known as a mathematical expression.
An example is the expression x + y, which combines the terms x and y with an addition operator.
In mathematics, there are two different types of expressions: algebraic expressions, which also include variables, and numerical expressions, which solely comprise numbers.
So, we have the expression:
(3.6x-1.4) - (1.8x-5.5)
First, solve it in the form of ax + b as follows:
(3.6x-1.4) - (1.8x-5.5)
3.6x-1.4 - 1.8x+5.5
1.8x + 4.1
So, we have the expression: 1.8x + 4.1
Then, the coefficient and content will be (B) and the correct expression would be 1.8x + 4.1.
Therefore, the given expression in the form ax + b will be (B) 1.8x + 4.1.
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5 cm
Find Surface Area. Rectangles use Aslw or Anbh. Triangles use A=1/ibb.
8 cm
cm
6 cm
2 cm
14
8 can
A=
12.m
12 cm
10 cm
C
First Part
The surface area of the two solids are listed below:
Case 1 - 232 square centimeters
Case 2 - 240 square centimeters
How to find the surface area of a solid
The surface area of a solid is the sum of the areas of all its faces. There are two cases of solids whose surface areas must be determined. The area formulas for triangle and rectangle are, respectively:
Triangle
A = 0.5 · b · h
Rectangle
A = b · h
Case 1
A = (6 cm) · (8 cm) + 2 · 0.5 · (6 cm) · (12 cm) + 2 · 0.5 · (8 cm) · (14 cm)
A = 232 cm²
Case 2
A = 2 · 0.5 · (8 cm) · (3 cm) + (8 cm) · (12 cm) + 2 · (5 cm) · (12 cm)
A = 24 cm² + 96 cm² + 120 cm²
A = 240 cm²
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Inverse of this in (x-A)^c
—-
( B )
The inverse of (x-A)^c = B, where A = 2x + 1, is x = -(B^(1/c) + 1).
To find the inverse of the expression in (x - A)^c = B, where A = 2x + 1, we can use the following steps:
First, solve for x in terms of A
x = (A - 1) / 2
Substitute the expression for A into the original equation
(x - (2x + 1))^c = B
Simplify
(-x - 1)^c = B
Take the c-th root of both sides
-x - 1 = B^(1/c)
Solve for x
x = -(B^(1/c) + 1)
Therefore, the inverse of the expression in (x - A)^c = B, where A = 2x + 1, is given by
x = -(B^(1/c) + 1)
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--The given question is incomplete, the complete question is given
" Inverse of this in (x-A)^c = (B)
—-
where A = 2X+1 "--
For the function 8-(x-3)^2,
state the domain
The domain of the function 8 - [tex](x-3)^{2}[/tex] is R which is all the real numbers.
What is domain of a function?
The set or grouping of all potential values that may be used in the function is known as the domain.
We are given a function as 8 - [tex](x-3)^{2}[/tex].
Now, in order to find the domain, we need to find the values where the function is not defined for a value of x.
But, there is no such value for x where the function is not defined.
This means that all values of x give an output.
So, the domain is the set of all the real numbers.
Hence, the domain of the given function is R.
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Divide using long division. Check your answer
(x3+3x2-x+2)/(x-1)
After performing long division on (x3+3x2-x+2)/(x-1) we get x² + 4x +3 leaving a remainder of 5.
Long division refers to the method of performing a division of two numbers or polynomials by hand. Furthermore, it involves several steps to evaluate in order to find a quotient and a remainder. It is considered an important and crucial form of practice in the branch of mathematics.
In the subject of dividing a polynomial, first, we divide the highest degree term of the dividend by the highest degree term of the divisor, and the remaining result is subtracted from the dividend. The calculation is as follows in the picture
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Find the missing measure.
The missing angles in the given pair of lines AB and CD with transversals EF & GH intersecting at O & missing sides on the basis of similarity of triangles are:
∠IKF=w°=109°
JO=z=2.7 units
∠JLO=x°=39°
∠DLO=y°=141°
What is similarity?
If two forms or figures have an equal number of comparable sides and angles, they are said to be similar. Similar figures are those when two or more figures share the same shape but have varied sizes.
Given that
∠KIO=39°
∠IKO=71°
∠IOK=70°
IO=12 units
KO=8 units
LO=4 units
a)We know that ∠KIO=∠OLJ {alternate interior angles}
∠KIO=∠OLJ=39°
∴x° = 39°
b)We know that ∠OLJ+∠OLD=180° {linear pair}
x°+y°=180°
39°+y°=180°
y°=180-39
y°=141°
c)We know that ∠IKO+∠IKF=180° {angles on straight line}
71°+w°=180°
w°=180-71
w°=109°
d)In ΔOKI and ΔOJL, we can see that
∠OIK=∠OLJ=39°
∠OKI=∠OJL=71°
∠KOI=∠JOL=70°
as the angles are congruent, we can say that ΔOKI and ΔOJL are similar.
∴Sides will be in same ratio
[tex]\frac{OI}{OL}[/tex] = [tex]\frac{OK}{OJ}[/tex] = [tex]\frac{KI}{JL}[/tex]
Taking [tex]\frac{OI}{OL}[/tex] = [tex]\frac{OK}{OJ}[/tex]
[tex]\frac{12}{4} = \frac{8}{z}[/tex]
3z = 8
z =2.667
z≈2.7 units
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in a(n) , the scale questions are divided into two parts equally and the resulting scores of both parts are correlated against one another.
The main topic is the split-half reliability test used in psychological research to assess the internal consistency of a scale.
How to test the psychological research?In psychological research, reliability is a crucial aspect of measuring constructs or attributes. One commonly used method for assessing the reliability of a scale is the split-half reliability test.
In this test, the scale questions are divided into two parts equally, and the resulting scores of both parts are correlated against one another.
For example, if a scale had 20 items, the items could be randomly split into two groups of 10 items each.
Scores are then calculated for each group, and the scores are correlated with each other to determine the degree of consistency between the two halves.
The correlation coefficient obtained from this analysis provides an estimate of the internal consistency of the scale.
A high correlation coefficient indicates a high level of internal consistency, indicating that the two halves of the scale are measuring the same construct or attribute.
Conversely, a low correlation coefficient suggests that the two halves of the scale are not measuring the same construct or attribute, and the scale may need to be revised or abandoned.
Overall, the split-half reliability test provides a quick and efficient method for evaluating the reliability of a scale.
However, it is important to note that this method does have some limitations, such as the possibility of unequal difficulty or discrimination of the items in each half of the scale.
Therefore, researchers often use other methods, such as Cronbach's alpha, in conjunction with the split-half reliability test to provide a more comprehensive assessment of the reliability of a scale
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pyriamid a square base that measures 140 m on each side. the height is 91 m. what is the volume of the pyramid?
The volume of the pyramid is approximately 574,533.33 cubic meters.
To find the volume of a pyramid, you use the formula: V = (1/3) × base area × height, where B is the area of the base and h is the height of the pyramid.
Given that the side length of the square base is 140 m and the height is 91 m.
Since the base of the pyramid is a square with a side length of 140 m, we can find its area by multiplying the side lengths: B = 140m x 140m = 19,600 square meters.
By calculating this expression, you'll find the volume of the pyramid.
Now we can plug in the values for B and h into the formula: V = (1/3)(19,600 square meters)(91 meters) = 574,533.33 cubic meters.
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John has 10 ribbons, each measured 3 ½ inches long. How long are the 10 ribbons placed end to end?
The total length of all 10 ribbons is 35 inches when they are placed end to end.
What are inches?Inches are a unit of length in the imperial system of measurement, which is primarily used in the United States, the United Kingdom, and some other countries. One inch is equal to 1/12 of a foot or 2.54 centimeters.
The inch is commonly used to measure the length or distance of small objects, such as the size of a computer screen, the length of a pencil, or the height of a person. Inches are also used to measure the dimensions of larger objects, such as the width of a door or the size of a piece of furniture.
According to the given informationIf John has 10 ribbons, each measuring 3 ½ inches long, we can find the total length of all the ribbons by multiplying the length of one ribbon by the number of ribbons:
Total length = 10 × 3 ½ inches
To multiply a whole number and a mixed number, we can first convert the mixed number to an improper fraction, then multiply:
Total length = 10 × (7/2) inches
Total length = 35 inches
Therefore, the 10 ribbons, placed end to end, would be 35 inches long.
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15. if the integer n has exactly three positive divisors, including 1 and n, how many positive divisors does n2 have?
Positive divisors does n2 have are 5.
How to calculate how many positive divisors does n2 have?If an integer n has exactly three positive divisors, including 1 and n, it means that n is a perfect square of a prime number.
The reason for this is that a prime number has only two divisors: 1 and itself. Therefore, if n has exactly three positive divisors, n must be a perfect square of a prime number, since the only divisors of a perfect square are the divisors of its square root, and its square root must be a prime number.
Let's say that n is equal to p², where p is a prime number. The positive divisors of n are 1, p, and n (which is p²).
Now, to find the number of positive divisors of n², we can use the fact that any positive divisor of n² can be expressed in the form [tex]p^k[/tex], where 0 ≤ k ≤ 4 (since n² = p⁴).
Therefore, the positive divisors of n² are:
1, p, p², p³, and p⁴ (which is n²)
So, n² has 5 positive divisors: 1, p, p², p³, and n².
Hence, the answer is 5.
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Solve this proportion 12/m = 18/9
Answer:
m = 6
Step-by-step explanation:
We have the proportion:
12/m = 18/9
To solve for m, we can cross-multiply the terms in the proportion:
12 × 9 = 18 × m
Simplifying both sides of the equation, we get:
108 = 18m
Dividing both sides by 18, we get:m = 6
Therefore, the solution to the proportion 12/m = 18/9 is m = 6.
Answer: m = 6
Step-by-step explanation:
First, we will rewrite this proportion:
[tex]\displaystyle \frac{12}{m} =\frac{18}{9}[/tex]
Next, we will cross-multiply:
12 * 9 = 18 * m
108 = 18m
Lastly, we will divide both sides of the equation by 18:
m = 6
We can also solve this proportion another way.
We know that 18/9 = 2, so 12/m must equal 2 as well.
12/6 = 2, so m = 6.
A charity needs to report its typical donations received. The following is a list of the donations from one week. A histogram is provided to display the data.
10, 11, 35, 39, 40, 42, 42, 45, 49, 49, 51, 51, 52, 53, 53, 54, 56, 59
A graph titled Donations to Charity in Dollars. The x-axis is labeled 10 to 19, 20 to 29, 30 to 39, 40 to 49, and 50 to 59. The y-axis is labeled Frequency. There is a shaded bar up to 2 above 10 to 19, up to 2 above 30 to 39, up to 6 above 40 to 49, and up to 8 above 50 to 59. There is no shaded bar above 20 to 29.
Which measure of variability should the charity use to accurately represent the data? Explain your answer.
The range of 13 is the most accurate to use, since the data is skewed.
The IQR of 49 is the most accurate to use to show that they need more money.
The range of 49 is the most accurate to use to show that they have plenty of money.
The IQR of 13 is the most accurate to use, since the data is skewed.
The range of 49 is the most appropriate measure of variability to use to represent the spread of donations received by the charity in this data set.
what is statistics?
Statistics is a branch of mathematics that deals with collecting, analyzing, interpreting, presenting, and organizing data. It involves the study of methods for designing experiments and surveys, analyzing and interpreting data, and making decisions based on data. Statistics plays an important role in a wide range of fields, including science, social science, economics, finance, engineering, and many others. It is used to draw conclusions, make predictions, and inform decision-making by providing a quantitative and objective approach to understanding and analyzing data.
The most accurate measure of variability to use for this data set is the range of 49. The range is the difference between the highest and lowest values in the data set, which in this case is 59 - 10 = 49. The range provides a simple and straightforward measure of the spread of the data and is useful when the data is not too skewed.
While the data in this set is skewed, the range is still an appropriate measure of variability because there are no extreme outliers that would significantly affect the range. The IQR (interquartile range) is another measure of variability that is useful for skewed data, but in this case, it would not be the most appropriate choice because the data set is not divided into quartiles and the IQR would not provide additional information beyond what the range already shows.
Therefore, the range of 49 is the most appropriate measure of variability to use to represent the spread of donations received by the charity in this data set.
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which statement is correct? group of answer choices assessment is only one part of the overall testing process. testing is only one part of the overall assessment process. testing integrates test information with information from other sources.
Testing is only one part of the overall assessment process.
What is evaluation in education?
Assessment is an ongoing process of gathering evidence of what each student actually knows, understands, and can do. A comprehensive evaluation approach includes a combination of formal and informal evaluation (formative, preliminary, and summative).
What is an assessment? Also what does it mean?
At the course level, assessments provide important data on the breadth and depth of student learning. Evaluation is more than scoring. It's about measuring student learning progress. Assessment is therefore defined as “the process of data gathering to better understand the strengths and weaknesses of a student's learning”.
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answer asap, 12 points !!!
Answer:
Step-by-step explanation:
domain is -infinity to positive infinity range is -3 to infinity. Increasing from -3 to infinity and decreasing from - infinity to -3 and it’s minimum
Using trig to find angles.
Solve for x. Round to the nearest tenth of a degree, if necessary.
Answer:
x ≈ 39.5°
Step-by-step explanation:
using the cosine ratio in the right triangle
cos x = [tex]\frac{adjacent}{hypotenuse}[/tex] = [tex]\frac{OP}{NP}[/tex] = [tex]\frac{64}{83}[/tex] , then
x = [tex]cos^{-1}[/tex] ( [tex]\frac{64}{83}[/tex] ) ≈ 39.5° ( to the nearest tenth )
Gina has a credit card balance of $5,820 and her minimum payment is $87.30. What rate is used to determine Gina’s minimum payment?
in desperate need of help!! (i accidentally clicked the first answer)
Answer:
The answer is 28
Step-by-step explanation:
sin0=opp/hyp
let hyp be x
sin30=14/x
0.5x=14
divide both sides by 0.6
x=14/0.5
x=28
velvetleaf is a particularly annoying weed in cornfields. it produces lots of seeds, and the seeds wait in the soil for years until conditions are right for sprouting. how many seeds to velvetleaf plants produce? the histogram shows the counts from a random sample of 28 plants that came up in a cornfield when no herbicide was used.
The histogram shows that the majority of velvetleaf plants produced between 0 and 500 seeds. The highest count was 2,000 seeds, and the lowest count was 0 seeds. On average, velvetleaf plants produce around 500 seeds.
Which fraction rounds to 5? A. 5 2/3 B. 5 1/2 C. 5 9/20 D. 4 9/20
the fraction that rounds to 5 is option B, 5 1/2.
What is a fraction?
If the numerator is bigger, it is referred to as an improper fraction and can also be expressed as a mixed number, which is a whole-number quotient with a proper-fraction remainder.
Any fraction can be expressed in decimal form by dividing it by its denominator. One or more digits may continue to repeat indefinitely or the result may come to a stop at some point.
To round a fraction to 5, we need to find the fraction that is closest to 5. Therefore, we need to look at the fractional parts of each option and find which one is closest to 1/2.
A. 5 2/3 = 17/3, which is closer to 6 than to 5.
B. 5 1/2 = 11/2, which is exactly halfway between 5 and 6, so it rounds to 5.
C. 5 9/20 = 259/20, which is closer to 6 than to 5.
D. 4 9/20 = 209/50, which is closer to 4 than to 5.
Therefore, the fraction that rounds to 5 is option B, 5 1/2.
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there are 600 poetry books at the library.Of the poetry books,8.5 are for children.How many poetry books at the library are for children
The number of poetry books at the library that are for children is 510
How many poetry books at the library are for childrenfrom the question, we have the following parameters that can be used in our computation:
Books = 600
If 8.5/10 of the poetry books are for children, we can calculate the number of poetry books for children as follows:
Number of poetry books for children = (8.5/10) x 600
Number of poetry books for children = 510
Therefore, there are 510 poetry books at the library for children.
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Jackie has $500 in a savings account.The interest rate is 5% per year and is not compounded. How much will she have in total in 1 year?
Answer:
$525
Step-by-step explanation:
Jackie starts with $500, and the interest rate is 5% per year.
This means that, after one year, Jackie will have accumulated 5% interest with the $500 she put into the savings account.
Now, we can find 5% of $500 by converting 5% to its fraction form, which is 5/100. 5% of a value means that you need to multiply the fraction (or decimal) by the said value. So, we have:
[tex]\frac{5}{100}[/tex] · 500 =
[tex]\frac{2500}{100}[/tex] =
25
Therefore, the amount of interest she has accumulated in one year is $25. Combined with the money in her savings account, she has $525, since $500 + $25 = $525.
The time needed to travel a certain distance varies inversely with the rate of speed. If it takes 10 hours to travel a certain distance at 24 miles per hour, how long will it take to travel the same distance at 54 miles per hour?
We can use the formula for inverse variation, which states that the product of the time and the speed is constant:
time × speed = constant
Let's use t to represent the time needed to travel the distance at 54 miles per hour. We know that the time is 10 hours when the speed is 24 miles per hour. So we can set up the equation:
10 × 24 = t × 54
Simplifying, we get:
240 = 54t
Dividing both sides by 54, we get:
t = 240/54
Simplifying this fraction, we get:
t = 40/9
So it will take approximately 4.44 hours, or 4 hours and 26 minutes, to travel the same distance at 54 miles per hour.
a group of marketing students at a large university wants to determine the proportion of first year students who use certain types of social media. the students want their estimate to be within 0.03 of the true proportion with a 90% level of confidence. how large of a sample is required if the population proportion is not known?
The required sample size is 8.90400.
Given a student wants to make a guess within 0.03 of the true ratio with a 90% confidence level.
Margin of Error, E = 0.03
significance level α=0.10 {90% confidence}
A given estimate of the percentage of population p is p = 0.79.
The critical value for the significance level α = 0.10 is Zc = 1.645. This can be determined using either Excel or a normal probability table.
Use the following formula to calculate the minimum sample size required to estimate the percentage of population p within the required margin of error.
n≥p(1-p)(Zc÷E)²
n = 0.796×(1-0.796)(1.645÷0.03)²
n = 0.796 x 0.204 x 54.833
n = 8.90400
Therefore, the resample size required to meet the condition is n ≥ 8.90400 and must be an integer. From this, we conclude that the minimum sample size required is n = 8.90400
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deigo has budgeted $35 from his summer job earnings to buy shorts and socks for soccer. He neefs 5 pairs of socks and a pair of shorts. The socks cost different amounts in different stories. The shorts he wants cost $19.95. list some other possible prices for the socks that would still allow diego to stay with in his budget
Some possible prices for the socks that would meet this condition are $2.99, $2.50, $3.00, $2.95, etc.
Define rateA rate is a measure of the amount of change of one quantity with respect to another quantity. It expresses how much one quantity changes in relation to another quantity over a given time or distance.
If Diego has budgeted $35 for 5 pairs of socks and a pair of shorts, we can subtract the cost of the shorts from the total budget to find the amount he has left for the socks:
$35 - $19.95 = $15.05
To find the possible prices for the socks, we can divide the amount Diego has left by the number of pairs of socks he needs:
$15.05 / 5 pairs = $3.01 per pair
Therefore, Diego would be able to stay within his budget if he finds socks that cost $3.01 or less per pair. Some possible prices for the socks that would meet this condition are $2.99, $2.50, $3.00, $2.95, etc.
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