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labwork [276]
3 years ago
8

I don’t understand can someone please help me

Mathematics
1 answer:
alexandr1967 [171]3 years ago
4 0

Answer:

Answer:

Step-by-step explanation:

Answer as Photo

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What is the exact volume of a sphere that has a radius of 8.4 in.?
sergij07 [2.7K]
V = 4/3 * pi * r^3

V = 4/3 * pi * 8.4^3

Simplify exponent:

V = 4/3 * pi * 592.704

Multiply:

<span>V = 790.272pi</span>
7 0
4 years ago
A 6 feet tall boy cast a shadow of 9 feet at the same time of day at the shadow of the tree measures 21 feet what is the height
Leto [7]

Answer:

The shadow of the tree is 14 feet

Step-by-step explanation:

6x21=126

126/9=14

7 0
3 years ago
Help me please? I have to turn in math i need help right now please
avanturin [10]
825 Square feet is the answer
7 0
3 years ago
ANSWER FAST Jill had the following scores on her math quizzes 20 ,40, 40, 40 ,60 ,60 ,60 ,60 ,80, 80
andrew-mc [135]

Answer: 62.

Step-by-step explanation: The mean is the average. In order to find the average, we need to add all of the numbers up, then divide by the number of quizzes. So:

20 + 40 + 40 +40 + 60 + 60 + 60 + 60 + 80 + 80 + 80 + 80 + 100 = 800

800 / 13 = 61.5, appr. 62.

3 0
3 years ago
Sarah is conducting a science experiment. The directions tell her to mix 5 parts of substance A with every 3 parts of substance
ANEK [815]
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5 0
4 years ago
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