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Tresset [83]
3 years ago
15

Giving brainliest!! pls help asap *easy*

Mathematics
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 

&#10;2n^2=-33+8&#10; &#10;    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}}}
5 0
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:

{ \tt{4 \: pies \:  =   \: 3.8 \: ounces}} \\ { \tt{1 \: pie \:  =  \: ( \frac{1}{4}  \times 3.8) \: ounces}} \\ { \tt{ = 0.95 \: ounces}}

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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

1x + x = 1.5

2x = 1.5

x = 1.5/2

x = 0.75

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
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