What is cos 16 degrees

Answer:

d. 8 over 15 = 136 over 15 this is the right answer okay

Answer:21-3+8=26

-14+31-6=11

Step-by-step explanation:

Standard error of the estimate (s e): 17.200

Estimate of standard deviation of estimated slope (s b): 3.045

Reject the hypothesis of no relationship: Yes

Coefficient of determination (r²): Not provided

Best estimate in sales region: 218.855 ± 2(3.045)

Price elasticity of demand at $12.50: -0.06

The standard error of the estimate (s e​) measures the variability of the actual data points around the regression line. In this case, it is given as 17.200. This means that, on average, the observed sales values can deviate from the predicted sales by approximately 17.200 gallons.

The estimate of the standard deviation of the estimated slope (s b​) quantifies the uncertainty associated with the estimated slope of the regression line. It is provided as 3.045 in this scenario. A smaller value indicates a more precise estimate of the slope.

To determine whether there is a relationship between the variables, we can perform a hypothesis test. The hint given is that t 0.025,8​ (t-value for a 0.05 level of significance with 8 degrees of freedom) is 2.306. If the absolute value of the calculated t-value exceeds 2.306, we can reject the null hypothesis that there is no relationship. Since the answer states "Yes," we can conclude that we reject the hypothesis and confirm the presence of a relationship between the variables.

The coefficient of determination (r²) provides a measure of how well the regression line fits the data. It represents the proportion of the total variation in the dependent variable (sales) that is explained by the independent variable (selling price). The value of r² ranges from 0 to 1, where 1 indicates a perfect fit. Unfortunately, the value of r² is not given in the question.

To estimate sales in a sales region where the selling price is $12.50, we can use the regression equation. The best estimate, along with a 95% prediction interval, is provided as 218.855 ± 2(3.045) in thousands of gallons. This means that, based on the regression model, we can expect sales to be around 218.855 thousand gallons, with a prediction interval of ±2 times the standard deviation of the estimated slope.

The price elasticity of demand measures the responsiveness of sales to changes in price. It is calculated as the percentage change in quantity demanded divided by the percentage change in price. Unfortunately, the value of the price elasticity of demand at a selling price of $12.50 is not provided in the given options.

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Solving a product, we can see that Lorena must pay a total of $5.88

We know taht each kilogram of bananas costs $4.70, and Lorena bought a total of 1 and 1/4 kilograms, then to find the cost we just need to solve the following product:

C = (1 + 1/4)*$4.70

We can distribute it to get:

C = $4.70 + $4.70/4

C = $4.70 + $1.18

C = $5.88

That is the total amount that Lorena must pay.

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"complete question.

Lorena fue al supermercado y compró 1 1/4 de plátanos, cuyo kilogramo cuesta $4. 70.

¿Cuánto debe pagar?"

The dimensions of the vegetable garden are :

Length = 14 feet

Width = 11 feet

Let's start by using the formula for the area of a rectangle:
Area = Length x Width

We know that the area of the vegetable garden is 154 square feet, so we can plug that in:
154 = Length x Width

Next, we're given that the length is 3 feet longer than the width, so we can write:
Length = Width + 3

We can substitute that expression for Length into the area formula:
154 = (Width + 3) x Width

Expanding the brackets:
154 = Width^2 + 3Width

Now we have a quadratic equation, which we can solve by either factoring or using the quadratic formula. I'll use the quadratic formula here:

First, we need to put the equation into standard form (ax^2 + bx + c = 0):
Width^2 + 3Width - 154 = 0

a = 1, b = 3, c = -154

Plugging those values into the quadratic formula:
Width = (-b ± sqrt(b^2 - 4ac)) / 2a
Width = (-3 ± sqrt(3^2 - 4(1)(-154))) / 2(1)
Width = (-3 ± sqrt(625)) / 2

We can simplify the square root:
Width = (-3 ± 25) / 2

So we have two possible solutions:
Width = 11 or Width = -14

Since we're dealing with a physical garden, the width can't be negative, so we'll discard that solution.

Now we can use the expression for Length that we found earlier:
Length = Width + 3
Length = 11 + 3 = 14

So the dimensions of the vegetable garden are 11 feet by 14 feet.

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Answer:

1. 922x81=74,682

2. 783x14=10,962

3. 684x15=10,260

4. 650x22=14,300

5. 2525x37= 93,425

6. 615x41=25,215

Step-by-step explanation:

Answer:

y=-6x+9/2

Step-by-step explanation:

Answer:

y = -5x +9/2

Step-by-step explanation:

Use the equation : y = mx + b

replace m and b

Answer:

I guess -1/2?

Step-by-step explanation:

Answer: 0

0 is closest to 7/18 on a number line. -1 is 1 farther than zero. -1/2 is one half way from the number 7/18. So, the answer to the question is 0.

Hope this helps!

Answer:

more info so i can help

Step-by-step explanation:

please

Answer:

D. (5, 5)

Step-by-step explanation:

A circle with center (0,0) and radius 5 would be x^2+y^2=25. Then, you can just plug in all the points and see which ones don't work. (5, 5) does not work, since if you plug in x as 5 and y as 5, you would get 5^2+5^2=50 instead of 25.

It takes a train going 50 mph approximately 11/2 miles to stop safely.

The distance a train takes to come to a stop can be determined by several factors, including the speed of the train, the weight of the train, the condition of the brakes and the track, and the reaction time of the engineer.

In general, a train going 50 mph will take about 1 1/2 miles or 8,000 feet to stop safely. This is because a train moving at 50 mph is traveling at about 75 feet per second, and it takes a significant distance to slow down a heavy object moving at such a high speed. It's important to note that this is an estimation, and the actual stopping distance may vary depending on the specific conditions.

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Answer:63.75 :)

Step-by-step explanation:

Answer:

$63.75

Step-by-step explanation:

85 x 75/100

85/1 x 3/4

255/4 - > $63.75

- You should already know how to do this yourself as this is very easy and basic question.

Answer: b • (3b2 + 2b + 3)

Step-by-step explanation: Plugged it in to a calculator

Answer:

Step-by-step explanation:

Jerome described a transformation in the coordinate plane by using the rule,

(x, y) → (x + 3, y - 1)

This rule defines a translation by moving a point (x, y), 3 units right along the x-axis and 1 unit down on y-axis.

Since, Reflection, rotation and translation are the examples of rigid transformation,

Given rule defines a rigid motion.

the expected value of perfect information is not the same as the expected value with perfect information then it is a true statement

For a decision alternative the weighted average of the payoffs is known as the Expected Value.

For a chance node, it is the weighted average of the payoffs. The weights are the state-of-nature probabilities.  A weighted average is an average that multiplies each component by a factor representing its frequency or probability. The expected value is the return or cost you can expect on average, given many trials. The payoff of a game is the expected value of the game minus the cost.

The expected value is the return or cost you can expect on average, given many trials. A weighted average is an average that multiplies each component by a factor representing its frequency or probability. A weighted average is like a regular average except the data is often given to you in summary form.

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To find the inverse function of F(x) = 2x - 3, we replace F(x) with y, swap the positions of x and y, and solve for y. The inverse function is f⁻¹(x) = (x+3)/2.

To find the inverse function of F(x) = 2x - 3, follow these steps

Replace F(x) with y. The equation now becomes y = 2x - 3.

Switch the positions of x and y, so the equation becomes x = 2y - 3.

Solve for y in terms of x. Add 3 to both sides: x + 3 = 2y.

Divide both sides by 2 (x + 3)/2 = y.

Replace y with the notation for the inverse function, f⁻¹(x): f⁻¹(x) = (x + 3)/2.

So, the inverse function of F(x) = 2x - 3 is f⁻¹(x) = (x + 3)/2.

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--The given question is incomplete, the complete question is given

" How do I find the inverse function of F(x) = 2x - 3"--

Here, x = 6 is a vertical asymptote of f, so the function approaches infinity as x approaches 6 from both sides.

Let's start by integrating f'(x) to get f(x). We have:

f'(x) = 16(x+2)(6-x)³ - 32(x+6)

Integrating both sides with respect to x:

f(x) = ∫[16(x+2)(6-x)³ - 32(x+6)] dx

Simplifying the integral, we get:

f(x) = -2(x+2)²(6-x)⁴ + 16(x+6) + C

where C is the constant of integration.

Next, we can find the critical points of f(x) by setting f'(x) = 0:

f'(x) = 16(x+2)(6-x)³ - 32(x+6) = 0

Solving for x, we get x = -2 and x = 6 as critical points.

Now, we can use the second derivative f''(x) to determine the concavity of the function. We have:

f''(x) = (6x-x)⁴ = x⁴

Since the second derivative is always positive for x > 0, the function is concave up on the interval (6, ∞).

Similarly, since the second derivative is always negative for x < 0, the function is concave down on the interval (-∞, -2).

At x = -2 and x = 6, the function has an inflection point.

Finally, we know that x = 6 is a vertical asymptote of f, so the function approaches infinity as x approaches 6 from both sides.

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Answer: -8

Step-by-step explanation:

i did the math

Answer:

X= -8

Step-by-step explanation:

2(3X+8)=-36+4

6X+16= -32

6X= -32-16

6X= -48

X= -48/6

X= -8

Answer:B

Step-by-step explanation:

All you have to do is multiply

Answer:

Step-by-step explanation:

Dilating with a scale factor of 3 centered at the origin means we multiply all the coordinates by 3.

Therefore, the answers are the second option and the sixth option.

Answer: B

Step-by-step explanation: Your answer is b. A graph is drawn. The horizontal axis and vertical axis values are 0 to 15 in increments of 1. The horizontal axis label is Number of Packets, and the vertical axis label is Number of Seeds. Points are plotted on the ordered pairs 1, 3 and 2, 6 and 3, 9.

Good luck!

P.S.

- Amir

The equation is 128 + 2x = 180.

The angles that are in the same position on two parallel lines intersected by a transversal line on the parallel lines.

Corresponding angles are equal.

We have,

The sum of the same-side interior angles between two parallel lines is supplementary

This means,

128 + 2x = 180

2x = 180 - 128

2x = 52

x = 26

Thus,

The value of x is 26.

The equation is 128 + 2x = 180.

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Answer:

As per the question, Peter can finish twice as much work as finished by Tom in a given duration of time. of their one day work will be completed by Tom. So, Tom will take 48 days to complete the task

Step-by-step explanation:

Let Tom alone take 2x days

Peter alone will take x days

Together in 1 day they do 1/x + 1/2x = 1/16

3/2x = 1/16

2x = 48

ANSWER Tom takes 48 days and Peter takes 24 days

CHECK

1/48+1/24 = 3/48= 1/16

ray4918 here to help

In general, as the sample size increases, the probability of observing a particular outcome becomes more precise and accurate.

This is because larger sample sizes provide more information about the population being studied, and therefore reduce the amount of sampling error or variability in the data.

In the context of probability calculations, the sample size can affect the accuracy and precision of the estimated probabilities. Generally speaking, larger sample sizes will provide more accurate and precise estimates of probabilities, while smaller sample sizes may result in less accurate or more variable estimates.

Therefore, if the sample size were 15 rather than 85, the estimated probabilities may be less accurate or more variable than if a larger sample size were used. The degree to which this affects the probability calculation will depend on the specific details of the problem being considered, including the nature of the population, the sampling method used, and the specific question being asked.

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Answer: 7B

Step-by-step explanation: