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LiRa [457]
3 years ago
7

Ann sleeps 8 hours per night. Write an expression for the number of hours Ann sleeps in n nights.

Mathematics
1 answer:
lord [1]3 years ago
8 0
8n. 8 represents the number of hours she sleeps, and n represents the number of night she sleeps. 
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Find the area of the shaded region. Express your answer in terms of π.
Bogdan [553]

Answer:

335.115

Step-by-step explanation:

First you find the area of the circles to do that you do pi times radius squared

For the top square do 3.14(pi)time 3²=28.26

For the middle square do 3.14 times 4.5²=63.585

For the bottom square do 3.14 times 6²=113.04

Now find the area of the entire thing do 18×12+9+6+3=18×30=540

Finally do 540-the area of the squares 28.26-63.585-113.04= 335.115

So the shaded region is 335.115

Hope this helps and have a great day!

6 0
3 years ago
Help please!!!!! :) its kind of hard for me..
adoni [48]
It would have to be 5/8.

5 0
3 years ago
Read 2 more answers
Given the function h(a) = -x^2+ 7x + 14, determine the average rate of change
Yakvenalex [24]

Answer:

- 2

Step-by-step explanation:

The average rate of change of h(x) in the closed interval [a, b ] is

\frac{f(b)-f(a)}{b-a}

Here [a, b ] = [1, 8 ], thus

f(b) = f(8) = - 8² + 7(8) + 14 = - 64 + 56 + 14 = 6

f(a) = f(1) = - 1² + 7(1) + 14 = - 1 + 7 + 14 = 20

average rate of change = \frac{6-20}{8-1} = \frac{-14}{7} = - 2

6 0
3 years ago
Jeannie discovered that the ratio of kilometers to miles is 1 to 0.6. When her family was driving in Canada, she saw a sign that
Svetradugi [14.3K]
It would be 48 miles
4 0
3 years ago
Complete the table of values for
Andreyy89

Answer:

Step-by-step explanation:

Plug each value of x into the equation and solve for the corresponding y value.

When x = -1, y = (-1)²-2(-1) = 3

When x = 0, y = 0² - 2(0) = 0

You can finish from here.

8 0
3 years ago
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