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3 years ago

Please help ASAP. it is due soon

Mathematics

2 answers:

NeX [460]3 years ago

6 0

Answer:

5 10 15 20

4 8 12 16

Step-by-step explanation:

spayn [35]3 years ago

4 0

Flour: 5,10,15,20

Sugar:4,8,12,16

so the amount of flour you need is 20 cups and the amount of sugar is 16 cups

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In a survey of sleeping habits, 8400 national adults were selected randomly and contacted by telephone. Respondents were asked,

7nadin3 [17]

Answer:

C) 1.8 is a statistic and represents an estimate of the unknown value of a parameter of interest.

Step-by-step explanation:

<u>The complete question is</u>: In a survey of sleeping habits, 8400 national adults were selected randomly and contacted by telephone.

Respondents were asked: “Typically, how many times per week do you sleep less than 6 hours during the night?” On average, those surveyed reported an average of 1.8 nights per week in which they got less than 6 hours of sleep. Which of the following is true with respect to this scenario?

A) 8400 is the size of the population being studied.

B) 1.8 is a parameter and represents an estimate of the unknown value of a statistic of interest.

C) 1.8 is a statistic and represents an estimate of the unknown value of a parameter of interest.

D) None of the above

We are given that in a survey of sleeping habits, 8400 national adults were selected randomly and contacted by telephone.

On average, those surveyed reported an average of 1.8 nights per week in which they got less than 6 hours of sleep.

In the question 8400 is the sample size (n) as it is taken from the population to conduct a survey.

So, the statement is not true that 8400 is the size of the population being studied. It is the size of the sample being tested.

Also, the sample mean = 1.8 nights per week, it is sample or statistic value because it is calculated using sample size value and it is an estimate or representation of the population unknown parameter.

So, the correct statement is that 1.8 is a statistic and represents an estimate of the unknown value of a parameter of interest.

7 0

3 years ago

Match each function formula with the corresponding transformation of the parent function y = 5-^x Please help ASAP!!

Ierofanga [76]

Answer:

We have the parent function given by, $y=5^{-x}$

1. The function is translated 5 units to the left.

So, we get, $y=5^{-x}$ becomes $y=5^{-(x+5)}$

2. The function is translated 5 units to the right.

So, we get, $y=5^{-x}$ becomes $y=5^{-(x-5)}$

3. The function is translated 5 units upwards.

So, we get, $y=5^{-x}$ becomes $y=5^{-x}+5$

4. The function is translated 5 units downwards.

So, we get, $y=5^{-x}$ becomes $y=5^{-x}-5$

5. The function is reflected across x-axis.

So, we get, $y=5^{-x}$ becomes $y=-5^{-x}$

6. The function is reflected across y-axis.

So, we get, $y=5^{-x}$ becomes $y=5^{-x}$ .

8 0

3 years ago

Read 2 more answers

What is the image of point (4, 3) if the rotation is 90º ? Please and thank you.

Zielflug [23.3K]

Answer: (-3, 4)

Step-by-step explanation: Given point coordinate (4,3).

We need to rotate the given point about 90º.

<em>In order to find the new coordinates of rotation 90°counterclockwise about the origin, we can apply rule (h, k) ---> (-k,h).</em>

Where (h,k) are the coordinates of original image on axes and (-k,h) are the coordinates of rotated image.

In resulting coordinates of the image first swap the x and y coordinates of the original image and then make the sign opposite of each x-coordinate.

On applying rule (h, k) ---> (-k,h), we get

(4,3) ---> (-3, 4)

3 0

3 years ago

Eight divided by three hundred forty four

adell [148]

your answer for 344 divided by 8 is 43

7 0

4 years ago

Read 2 more answers

If 15 pen cost $3.90, which equation would help determine the cost of 6 pens?

madreJ [45]

Answer

1.56

Step-by-step explanation:

You must find the unit rate. To do so, you must divide 3.90 by 15. That will give you 0.26. After, times 6 and .26 to get your answer. Hope this helps.

8 0

3 years ago