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Setler [38]
3 years ago
5

Help please I need the answers

Mathematics
1 answer:
Cerrena [4.2K]3 years ago
6 0

Answer:

.8

Step-by-step explanation:

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Expression: 6(m + 2 + 7m)
jenyasd209 [6]

Answer: 46

Step-by-step explanation:

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3 years ago
When a number is added to six times its square, the result is twelve. Find the number.
7nadin3 [17]
Let's represent our number as x.
x is being added to 6 * x², and it equals 12
x + 6x^{2}=12\\6x^{2}+x-12=0
Factor:
6x^{2}+x-12=0\\(2x+3)(3x-4)=0
Solve for x:
(2x+3)=0\\2x=-3\\x=\frac{-3}{2}\\\\(3x-4)=0\\3x=4\\x=\frac{4}{3}

Therefore, x = -3/2 and 4/3.
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3 years ago
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3 years ago
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The radius of a sphere is 12 units. Find the volume of the sphere. Write your answer in terms of pi.
stiv31 [10]

Answer:

V = 2304π units³

Step-by-step explanation:

The volume (V) of a sphere is calculated as

V = \frac{4}{3}πr³ ( where r is the radius ) , then

V = \frac{4}{3}π × 12³

   = \frac{4}{3} π × 1728

   = 4π × 576

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5 0
2 years ago
CAN SOMEONE PLEASE HELP
Allushta [10]
4 is the right answer
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2 years ago
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