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sukhopar [10]
3 years ago
11

Find the exact perimeter of the shaded region! 10 points !

Mathematics
1 answer:
Kryger [21]3 years ago
4 0

<span>I believe the answer is 60.75pi, calculated as follows:</span>

Area of Circle:  (9 * 9) * pi = 81pi

Area of Shaded Area = (90 / 360) * 81p = 20.25pi

81pi - 20.25pi = 60.75pi

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Adrian has a points card for a movie theater.
ANEK [815]

Answer: v ≥ 6

This means that Adrian needs to do at least 6 visits.

Step-by-step explanation:

First, we know that he gets 20 points just for signing up, so he starts with 20 points.

Now, if he makes v visits, knowing that he gets 2.5 points per visit, he will have a total of:

20 + 2.5*v

points.

And he needs to get at least 35 points, then the total number of points must be such that:

points ≥ 35

and we know that:

points = 20 + 2.5*v

then we have the inequality:

20 + 2.5*v  ≥ 35

Now we can solve this for v, so we need to isolate v in one side of the equation:

2.5*v ≥ 35 - 20 = 15

2.5*v ≥ 15

v ≥ 15/2.5 = 6

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So he needs to make at least 6 visits.

6 0
2 years ago
Robyn uses cup of blueberries to make each loaf of blueberry bread. Explain how many loaves of blueberry bread she can make with
tekilochka [14]

Answer:

2 loaves of blueberry bread

Step-by-step explanation:

for 1 loaf of bread she uses 1 cup

for 2 loaves she will use 2 cupa

7 0
2 years ago
A human hair is approximately 40 microns (um) wide. If 1 um is equal to 10
Natasha2012 [34]

Answer:

D 40,000nm

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Therefore in 40 microns there are:

40um * 10^3 nm/um = 40 * 10^3 nm = 40,000 nm

5 0
2 years ago
What’s the answer to six plus negative 3
Alik [6]

6 + (-3) would be the same as just saying 6-3 which would be equal to positive 3

6 0
3 years ago
Next Ron has to add 2.1 grams of medication to 3.4 grams of another medication. What is the total amount of medication he needs
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Answer:

He needs to take 5.5 grams of medications.

Step-by-step explanation:

I added 2.1 to 3.4 and got 5.5. *booyah*

4 0
3 years ago
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