Find the surface area of the ff. cylinder

1.) d = 10m h = 8m

Pls give a solution and step-by-step explanation

The sample proportion of rainbow lollipops in the festival promoter's sample is 0.33 (27/82), rounded to two decimal places. The population proportion of rainbow lollipops among all products offered at the stop of the tour is 0.32 (17/53), rounded to two decimal places.

The sample proportion and population proportion of rainbow lollipops in the given situation.

For the entire population (all products offered) at the stop, there were 17 rainbow lollipops out of every 53 products offered. To find the population proportion (P), we can use the formula:

P = Number of Rainbow Lollipops / Total Number of Products
P = 17 / 53

Now let's calculate the population proportion:
P ≈ 0.32 (rounded to two decimal places)

For the festival promoter's sample, he found that 27 of the 82 products offered were rainbow lollipops. To find the sample proportion (p'), we can use the formula:

p' = Number of Rainbow Lollipops in Sample / Total Number of Products in Sample
p' = 27 / 82

Now let's calculate the sample proportion:
p' ≈ 0.33 (rounded to two decimal places)

So, in proper notation, the population proportion (P) is approximately 0.32, and the sample proportion (p') is approximately 0.33.

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The missing part of the table is completed as shown below

x      y

-1   1 / 6

0    1

3     216

Exponential function is a function of the form f(x) = a(b)^x

Considering the given problem,

the starting = a

the base = b

the exponents = x

Using the formula, y = 6^x the table is completed by substitution

for x = -1

y = 6^(-1) = 1/ 6

for x = 0

y = 6^(0) = 1

for x = 3

y = 6^(3) = 216

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The cost of 4 burgers and 6 hot dogs is $25.

We are given that;

Expression= 3.25+2ℎ

Number of burgers=444

Number of hot dogs= 666

Now,

To find the cost of 4 burgers and 6 hot dogs, we need to substitute b = 4 and h = 6 in the expression 3.25b+2h. We get:

3.25(4)+2(6)

Using the order of operations, we first multiply 3.25 by 4 and 2 by 6. We get:

13+12

Then we add 13 and 12. We get:

25

Therefore, by the given expression the answer will be $25.

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The alternative Hypothesis is that at least one of the mean total cholesterol levels is different from the others in the four groups of subjects.

A researcher can use an analysis of variance (ANOVA) parametric statistical method to determine if the mean total cholesterol level of the population is the same for four groups of subjects (Group 1 = Diet Restriction; Group 2 = Exercise; Group 3 = Both Diet and Exercise; Group 4 = None).

a. Statistical Test is ANOVA.
b. Null Hypothesis is that the mean total cholesterol level of the population is the same for all four groups.
c. Alternative Hypothesis is that the mean total cholesterol level of the population is different for at least one group.

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The Net Pay for the year for gross annual pay is $19 163. Employment insurance premiums are deducted at a rate of 2 with income taxes at a rate of 17% on all amounts over $8131 is $16,137.03.

To find the net pay for the year, we need to subtract the deductions from the gross pay and then subtract the income tax from the remaining amount.

First, we need to find the total amount deducted for EI and CPP premiums:

EI premium = 2.25% of $19,163 = $431.67

CPP premium = 3.75% of $19,163 = $720.86

Total deductions = $431.67 + $720.86 = $1,152.53

Next, we need to find the taxable income by subtracting the basic personal amount from the gross pay:

Taxable income = $19,163 - $8,131 = $11,032

Then, we need to calculate the income tax on the taxable income:

Income tax = 17% of ($11,032) = $1,873.44

Finally, we can calculate the net pay by subtracting the total deductions and income tax from the gross pay:

Net pay = $19,163 - $1,152.53 - $1,873.44 = $16,137.03

Therefore, the net pay for the year is $16,137.03.

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The solutions in radical form is

This is of the form

(3 ± √7)²

Then we have to write this in two cases such that

Case 1: (3 + √7)²

Case 2: (3 - √7)²

Solve the first case

(3 + √7)²

(3 + √7)(3 + √7)

= 3² + 2(3)(√7) + (√7)² =

9 + 6√7 + 7

= 16 + 6√7

Next we have to solve for case 2

(3 - √7)²

(3 - √7)(3 - √7)

= 3² - 2(3)(√7) + (√7)²

= 9 - 6√7 + 7

= 16 - 6√7

The values and solutions would be:

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Without the degrees of freedom, we cannot provide a specific p-value. If the chi-square statistic is 2.71 or more, the p-value will be equal to or less than the value corresponding to 2.71 in the chi-square distribution table for the given degrees of freedom.

1. The chi-square statistic is a measure of the difference between observed and expected frequencies in a contingency table. When the observed frequencies are similar to the expected frequencies, the chi-square statistic is low. When they are different, the chi-square statistic is high.

2. The p-value is a probability that indicates how likely it is to observe a chi-square statistic as extreme as the one obtained, assuming the null hypothesis (i.e., no association between the variables) is true. A lower p-value means there is stronger evidence against the null hypothesis, suggesting an association between the variables.

3. To determine the p-value corresponding to a chi-square statistic of 2.71, you would look up the value in a chi-square distribution table or use statistical software. The p-value depends on the degrees of freedom, which is determined by the size of the contingency table.

Without the degrees of freedom, we cannot provide a specific p-value. However, if the chi-square statistic is 2.71 or more, the p-value will be equal to or less than the value corresponding to 2.71 in the chi-square distribution table for the given degrees of freedom.

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Asymptotic stability is a property of a dynamical system where the solutions of the system approach a particular equilibrium point as time goes to infinity, but they do not oscillate or move away from the equilibrium point. In other words, the solutions of the system converge to the equilibrium point as time goes to infinity.

Formally, a critical point x* of a dynamical system x' = f(x) is asymptotically stable if for any solution x(t) that starts sufficiently close to x*, there exists a positive constant ε such that ||x(t) - x*|| → 0 as t → ∞, where ||.|| denotes the Euclidean norm.

Intuitively, this means that if the initial condition of the system is perturbed slightly from the equilibrium point, then the solutions of the system will still converge to the equilibrium point as time goes to infinity. This is a desirable property for many systems, as it implies that the system will eventually settle down to a steady state.

The concept of asymptotic stability is often studied in the context of linear systems, where the stability of the equilibrium point is determined by the eigenvalues of the system matrix. For a linear system, the equilibrium point is asymptotically stable if all the eigenvalues have negative real part. In this case, the solutions of the system decay to zero exponentially as time goes to infinity.

Overall, asymptotic stability is an important concept in the study of dynamical systems, as it provides a way to analyze the long-term behavior of a system and predict its future state.

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Using the given ratio we can see that there are 19 used cars.

We know that the dealership reported that they have 5 new cars for every 1 used car on the lot, so we need to use that ratio.

5/6 of the cars are new.

1/6 of the cars are used.

The total number is 114, then the number of used cars is:

(1/6)*114 = 19

There are 19 used cars.

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The rays of the angle from the measure 1/2 turn is 180 degrees

From the question, we have the following parameters that can be used in our computation:

Angle measure = 1/2 turn

By definition, rays have two endpoints where they extend indefinitely on  one of the endpoints

As a general rule, we have

Substitute the known values in the above equation, so, we have the following representation

Angle measure = 1/2 * 360

Evaluate

Angle measure = 180

Hence, the angle measure is 180 degrees

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The angles of the cyclic quadrilateral are

In a cyclic quadrilateral the opposite angles are supplementary hence we have that

x - 4 + x + 8 = 180 degrees

gathering like terms

2x = 180 - 8 + 4

2x = 176

isolating x

x = 88 degrees

angles on each side

x- 4 = 88 - 4 = 84

x + 8 = 88 + 8 = 96

2x - 78 = 2(88) - 78 = 98

sum of the angles of a cyclic quadrilateral is 360

the fourth angle = 360 - 84 - 96 - 98

the fourth angle = 80 degrees

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If these conditions/assumptions are met, then the two-sample test for means with independent samples can be used to determine if there is a statistically significant difference between the means of two independent groups.

In order for the two-sample test for means with independent samples to be appropriate, the following conditions/assumptions must be met:

Independent samples: The samples for each group should be selected independently of each other.

Normality: The population distributions should be approximately normal, or the sample sizes should be large enough (n > 30) for the central limit theorem to apply.

Equal variances: The variances of the two populations should be approximately equal. This assumption is important for calculating the pooled variance estimate, which is used in the t-test formula.

Random sampling: The samples should be randomly selected from the populations of interest.

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8 square unit to find the area of the parallelogram with vertices A(-4, 2), B(-2, 5), C(2, 3), and D(0, 0), follow these steps:

Step 1: Find the base and height vectors of the parallelogram. Let's use AB and AD as the base and height vectors, respectively.
AB = B - A = (-2 - (-4), 5 - 2) = (2, 3)
AD = D - A = (0 - (-4), 0 - 2) = (4, -2)

Step 2: Calculate the cross-product of the base and height vectors.
Cross product = AB_x * AD_y - AB_y * AD_x = (2 * -2) - (3 * 4) = -4 - 12 = -16

Step 3: Find the area by taking the absolute value of the cross product divided by 2.
Area = |Cross product| / 2 = |-16| / 2 = 8

The area of the parallelogram with vertices A(-4, 2), B(-2, 5), C(2, 3), and D(0, 0) is 8 square units.

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The probability of drawing two green cards is 25/169

From the question, we have the following parameters that can be used in our computation:

Cards = 13

Green = 5

Selecting the first card we have

P(Green) = 5/13

The card is returned

So, we have the probablility of the second to be

P(Green) = 5/13

The probability of drawing two green cards is

P = 5/13 * 5/13

Evaluate

P = 25/169

Hence, the probability is 25/169

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Answer: 9/8 is the slope

Answer:

A

Step-by-step explanation:

x^2-6x+9

to factorise this you need two numbers that times to make 9 and add to make -6

these two numbers are -3 and -3

putting it into brackets is

(x-3)(x-3)

this can also look like

(x-3)^2

so the answer is A

A) A point C such that the distance from the origin can be plotted at (1, 0).

B) A point E which is at 4/5 closer to the origin than C can be plotted at (4/5, 0) = (0.8, 0)

A) Given a point O(0, 0).

A distance of 1 from the origin can be marked at 4 points :

(1, 0), (-1, 0), (0, 1) and (0, -1).

Using the distance formula, all the points from O is 1.

Let's take C as (1, 0).

B) Point E is at 4/5 closer to O than C.

Ratio of the distance between OE and EC is 4/5 : 1/5 = 4 : 1.

The section formula states that If a line with end points (x, y) and (x', y') is divided in the ratio m : n, then the divided point is,

P = [(mx' + nx)/(m + n) , (my' + ny)/ (m + n)]

Here (x, y) = (0, 0) and (x', y') = (1, 0)

m : n = 4 : 1

Using the section formula,

Coordinates of E = ((4 + 0)/ 5 , (0 + 0)/5) = (4/5, 0) = (0.8, 0).

If the distance between (0, 0) and (1, 0) is divided in to 5 segments, then the point E will be at 4th segment.

Hence the required coordinates are C(1, 0) and E(0.8, 0).

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Answer: One way is video games. Video games help people escape from reality, which prevents people from going out and exercising. One way is treadmills, where you are able to increase your heart rate through cardio without straining the body.

Step-by-step explanation: a

Based on the information given, we can conclude that there is a significant difference between the two populations.

The calculated z-score of 1.51 is greater than the critical value of 1.96 (at the 5% level of significance), which indicates that the sample mean differences are unlikely to have occurred by chance. Therefore, we reject the null hypothesis and conclude that household debt is different in the two cities.
At this level of significance, we cannot conclude that there is a significant difference between the two populations.

Explanation:
To determine if there is a significant difference between the mean household debt of Regina and Saskatoon households at the 5% level of significance, we need to compare the calculated z-score of 1.51 to the critical z-score for a two-tailed test. For a 5% level of significance, the critical z-scores are -1.96 and 1.96. Since 1.51 is between -1.96 and 1.96, we cannot reject the null hypothesis, which means we cannot conclude that there is a significant difference between the two populations at the 5% level of significance.

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Answer:  21/29

Step-by-step explanation:

sin B = opposite side/hypotenuse

=21/29

Answer:

21/29

Step-by-step explanation:

sin B= opposite/hypotenuse

sin B = 21/29

The relationship of the angles is ∠P = 1/2(ACB - AB) and the measure of angle P is (180 - x) degrees

Given that

Arc are intercepted by tangents and the exterior angle

The theorem of intersected tangents states that

The measure of the angle is the difference between the measures of the arc

So, the relationship of the angle is ∠P = 1/2(ACB - AB)

Here, we have

AB = x

This means that

ACB = 360 - x

So, we have

∠P = 1/2(360 - x - x)

When evaluated, we have

∠P = 180 - x

Hence, the measure of angle P is 180 - x degrees

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The equation of the line is y = 1/2x - 2

From the question, we have the following parameters that can be used in our computation:

y= 1/2x +1

Point = (8, 2)

Parallel lines have equal slopes

This means that the slope of the line is 1/2

So, the eqiuation is calculated as

y = m(x - x1) + y1

substitute the known values in the above equation, so, we have the following representation

y = 1/2(x - 8) + 2

Evaluate

y = 1/2x - 2

Hence, the equation is y = 1/2x - 2

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James had a longer commute to work than Samuel did.

We need to figure out how far each person went from their starting point to their destination in order to evaluate whose journey was longer. The formula for calculating the distance between two locations is as follows:

[tex]d = \sqrt{((x_2 - x_1)^2 + (y_2 - y_1)^2)[/tex]

For James:

Distance from his house to the gas station:

[tex]d_1 = \sqrt{((4 - 3)^2 + (1 - 4)^2)}\\ = \sqrt{(10)[/tex]

Distance from the gas station to his job:

[tex]d_2 = \sqrt{((9 - 4)^2 + (8 - 1)^2)}\\ = \sqrt{(90)}[/tex]

Total distance traveled:

[tex]d_1 + d_2 = \sqrt{(10)} + \sqrt{(90) }\\= 12.016[/tex]

For Samuel:

Distance from his house to his mother's house:

[tex]d_1 = \sqrt{((5 - 10)^2 + (8 - 2)^2)} \\= \sqrt{(74)[/tex]

Distance from his mother's house to his job:

[tex]d_2 = \sqrt{((4 - 5)^2 + (5 - 8)^2})\\ = \sqrt{(10)[/tex]

Total distance traveled:

[tex]d_1 + d_2 = \sqrt{(74)} + \sqrt{(10)} \\ =10.872[/tex]

Therefore, Samuel's journey to his job was shorter than James'

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The answer to the mathematical expression of Cos (90°-0) / sin (180°- 0) - sin^2 (-0) is:

= -1

To calculate the expression, we can begin by determining the values and subtracting or dividing as is the case. First, we begin by determining the values as follows:

Cos 90° = 0

Cos 0 = 1

Sin 180° = 0

Sin -0 = 0

Now we express the values as follows:

Cos (90°-0) / sin (180°- 0) - sin^2 (-0)

0 - 1/0 - 0

= -1

So, the answer obtained from resolving this expression is -1.

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The solution is, the measure of angle 7 is, ∠7 = 145°.

Here, we have,

∠4 and ∠8 are corresponding angles

∠8 and ∠7 are supplementary angles

so, we get,

Then, ∠4 and ∠7 are supplementary angles.

This means that

∠4 + ∠7 = 180°

we, have,

35° + ∠7 = 180°

so, we get,

∠7 = 180° - 35°

or, ∠7 = 145°

Hence, The solution is, the measure of angle 7 is, ∠7 = 145°.

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complete question:

Oak Street and Elm Street run parallel to each other. When Main Street interest them, it forms interior angle 4, and measuring 35 degrees. What is the measure of angle 7 ?

The value of x based on the stated expression using mathematical operations is -1.

The calculation of x will be performed using mathematical operations in following format. Here are the steps -

Solve the parenthesis

18x + 72 = 54

Switch the position of number 72 from Left Hand Side to Right Hand Side

18x = 54 - 72

Performing subtraction on Right Hand Side of the equation

18x = -18

Rewrite the equation according to x

x = -18/18

Performing division on Right Hand Side of the equation

x = -1

Hence, the value of x is -1.

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The following which could not be the coordinates of one of its other vertices is (1, -5).

Given that,

Rectangle has side lengths of 3 and 4.

One of the vertices = (1, 2).

We have to find the other coordinates of the vertex.

The distance from the other vertex to this vertex needs to be either 3 or 4.

Find the distance using the distance formula.

A. (-3, -1) from (1, 2)

Distance = √(1 + 3)² + (2 + 1)² = √25 = 5

B. (1, -5) from (1, 2)

Distance = √(1 - 1)² + (2 - -5)² = √49 = 7

C. (5, -1) from (1, 2)

Distance = √(1 - 5)² + (2 - -1)² = √25 = 5

D. (-2, 6) from (1, 2)

Distance = √(1 - -2)² + (2 - 6)² = √25 = 5

Hence the coordinate which cannot be the other vertex is (1, -5).

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Answer:

100

Step-by-step explanation:

To solve for y in the equation Y/1/5=20, we can multiply both sides of the equation by 1/5 to isolate y on one side of the equation. This gives us:

Y/1/5 * 1/5 = 20 * 1/5

Simplifying this expression gives us:

Y = 100

Therefore, the value of y is one hundred.

Answer:

Y = 4

Step-by-step explanation:

Now we have to,

→ Find the required value of Y.

The equation is,

→ Y/(1/5) = 20

Then the value of Y will be,

→ Y/(1/5) = 20

Simplifying the left hand side:

→ Y × (5/1) = 20

→ 5Y/1 = 20

→ 5Y = 20

Dividing 20 by the number 5:

→ Y = 20/5

→ [ Y = 4 ]

Hence, the value of Y is 4.

Answer:

Bellow

Step-by-step explanation:

1a) The point estimate of the population price difference between red and white wines is given by:

$$\bar{x}_1 - \bar{x}_2 = 20.87 - 19.33 = 1.54$$

Therefore, the point estimate of the population price difference between red and white wines is $1.54.

1b) The margin of error for alpha=0.01 can be calculated using the following formula:

$$ME = z_{\alpha/2}\cdot\sqrt{\frac{s_1^2}{n_1} + \frac{s_2^2}{n_2}}$$

where $z_{\alpha/2}$ is the critical value of the standard normal distribution for the given level of significance, $s_1$ and $s_2$ are the sample standard deviations, and $n_1$ and $n_2$ are the sample sizes for the two populations.

For alpha=0.01, the critical value of the standard normal distribution is $z_{\alpha/2}=2.58$. Substituting the given values, we get:

$$ME = 2.58\cdot\sqrt{\frac{2.88^2}{40} + \frac{3.05^2}{40}} \approx 1.01$$

Therefore, the margin of error for alpha=0.01 is approximately $1.01.

1c) The confidence interval for the difference between the two population means can be calculated using the following formula:

$$(\bar{x}_1 - \bar{x}_2) \pm z_{\alpha/2}\cdot\sqrt{\frac{s_1^2}{n_1} + \frac{s_2^2}{n_2}}$$

For alpha=0.05, the critical value of the standard normal distribution is $z_{\alpha/2}=1.96$. Substituting the given values, we get:

$$(20.87 - 19.33) \pm 1.96\cdot\sqrt{\frac{2.88^2}{40} + \frac{3.05^2}{40}}$$

Simplifying this expression, we get:

$$(1.54) \pm 1.11$$

Therefore, the 95% confidence interval for the difference between the two population means is approximately $(0.43, 2.65)$.

The best estimate for the dolphin population in the region is 600 dolphins.

Estimated Population Size = (Number of dolphins captured) × (Number of dolphins recaptured) / (Number of marked dolphins recaptured)

In this case, the equation would be:

Estimated Population Size = (60) × (330) / (33)

This equation simplifies to:

Estimated Population Size = 600

Therefore, the best estimate for the dolphin population in the region is 600 dolphins.

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