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finlep [7]
2 years ago
9

Find the volume. Round to nearest hundredth

Mathematics
1 answer:
AlladinOne [14]2 years ago
8 0

Answer:

2pir^2 + 2pirh

2(pi)(3.2)^2+2pi(3.2)(8)

=225.19

=225.2

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Element X decays radioactively with a half life of 9 minutes. If there are 760 grams of Element X, how long, to the nearest tent
ElenaW [278]

Answer:

Step-by-step explanation:

760·0.5^(t/9) = 19

0.5^(t/9) = 19/760

2^(-t/9) = 0.025

-t/9 = log₂(0.025)

t = -9log₂(0.025) = 47.9 minutes

8 0
2 years ago
Read 2 more answers
It was estimated that 825 people would attend the soccer game, but 817 people actually attended.
Vladimir79 [104]

Answer:

0.979%

Step-by-step explanation:

Given that:

Estimated value = 825 ;

Actual value = 817

Percentage error:

(|Estimated value - Actual value| ÷ actual value) * 100%

(|825 - 817| ÷ 817) * 100%

(8 / 817) * 100%

0.0097919 * 100%

= 0.979%

= 1% (nearest percent)

4 0
3 years ago
You have a 32 foot fence arouind a square garden.There are 4 equal sections. You paint 1/3 of the section of the fence. What fra
gizmo_the_mogwai [7]
So there are 4 sides. 32 divided by 4 is 8, so each side is 8 feet long. So it would be 1/3 of 1/4.
5 0
3 years ago
The circle has a radius of 3 cm. What is the area of the circle?
STatiana [176]
You would do 
3.14*r^2 
which is 3
r=3
what you do is 
3.14*3*3 which is 28.26cm^2 which is D

6 0
3 years ago
Read 2 more answers
CAN ANYONE HELP ME ANSWER THIS PLEASE​
HACTEHA [7]

Answer: 14/45

Step-by-step explanation: The probability that they first event will occur is 2/10. The probability that the second event will occur is 1/9. If you multiply those like it says in the hint you will get 14/45. (I think this is right)

5 0
3 years ago
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