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Kaylis [27]
3 years ago
14

Which intergers in each pair is greater?a.+12 or -21b.+17 or -20​

Mathematics
1 answer:
Annette [7]3 years ago
4 0

Answer:

b is the answer by solomon

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kirill [66]

The equivalent fraction of 9/15 would be 3/5.


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A circle with radius of 3 cm sits inside a circle with radius of 5 cm. What is the area of the shaded region? Round your final a
DiKsa [7]

Hello!!

So first you need to find the area of the green circle. The formula for finding area for a circle is A = π r2. So the area for the green circle is 28.26 cm. Then you need to find the area of the blue circle. (Using the same formula) which would be 78.5. Then you subtract the value of the green circle to get the value of the shaded region which then your final answer is 50.24 cm. Hope this helped!!

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Surface area of a sphere is 615.752 m2, what is the volume of the sphere?
const2013 [10]

B

the volume (V) of a sphere = \frac{4}{3} πr³

We require to know the radius r to calculate the volume

using surface area of a sphere = 4πr² = 615.752

divide both sides by 4π

r² = \frac{615.752}{12.56} = 49.0248...

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r = \sqrt{49.0248..} ≈ 7, hence

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8 0
3 years ago
Eight less than four times a number is less then 56. What are the possible values of that number?
Mashutka [201]

Answer: B. X<12

Step-by-step explanation:

First we need to find out what number multipled by 4 is less than 56

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And 4 is lower/less than 12 so that's why it's B

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sweet [91]

Answer:

x=20

Step-by-step explanation:

73-13=60

60÷3=20

7 0
2 years ago
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