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3 years ago

15

Giving brainliest!! pls help asap easy

1 answer:

Scrat [10]3 years ago

8 0

Answer:

V ≈ 16.333 in³

Step-by-step explanation:

Formula of the Volume of a Sphere: $\frac{4}{3} \pi r^{2}$

V = $\frac{4}{3}$ × (3.5)²π

V = $\frac{4}{3}$ × 12.25π

V ≈ 16.333 in³

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Solve each equation by taking square roots<br><br> 2n^2 -8=-33

densk [106]

$2n^2 -8=-33$

$
2n^2=-33+8
 
$ $Add \ 8 \ to \ both \ sides$

$2n^2=-25$

$n^2=- \dfrac{25}{2}$ $Divide \ both \ sides \ by \ 2$

$n=+ \sqrt{ -\dfrac{25}{2} }$ <span> $Take \ the \ square \ root \ of \ both \ sides$
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$n=+ \sqrt{ \dfrac{5i}{ \sqrt{2}}}$

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3 years ago

I need help I need help

Cerrena [4.2K]

Answer:

${ \boxed{ \bf{c}}} \: \: \frac{3.8}{4} = s$

Step-by-step explanation:

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5 0

3 years ago

Solve 0.25[2.5x + 1.5(x – 4)] = –x.

zheka24 [161]

Answer:

X = 0.75

Step-by-step explanation:

0.25[2.5x + 1.5(X-4)]= -X

0.25[2.5x + 1.5x - 6] = -x

0.25[4x -6] = -x

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8 0

3 years ago

What is 20 degres equal to

a_sh-v [17]

Answer:

68 farinheit

Step-by-step explanation:

5 0

4 years ago

I need some help please

gizmo_the_mogwai [7]

Answer:

a) -10

b) 7

Step-by-step explanation:

a) $2(x + 3) = x - 4$

$= > 2x + 6 = x - 4$

$= > 2x - x = - 4 - 6$

$= > x = - 10$

b) $4(5x - 2) = 2(9x + 3)$

$= > 20x -8 = 18x + 6$

$= > 20x - 18x = 8 + 6$

$= > 2x = 14$

$= > x = \frac{14}{2} = 7$

3 0

3 years ago

Read 2 more answers