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Verdich [7]
3 years ago
7

The volume of two spheres is shown:

Mathematics
2 answers:
sp2606 [1]3 years ago
6 0

Answer:

0.6 in

Step-by-step explanation:

  • <em>Volume of the sphere formula: V = 4/3πr³, where r is the radius</em>

<u>Given:</u>

  • Volume of Sphere A = 30 cubic inches
  • Volume of Sphere B = 10 cubic inches

<u>Let R be the radius of sphere A and r be the radius of sphere B</u>

  • 30 = 4/3*3.14R³
  • R³ = 30*3/(4*3.14) ≈ 7.2
  • R = ∛7.2 ≈ 1.9 in

<u>And, similarly,</u>

  • r³ = 10*3/(4*3.14) ≈ 2.4
  • r = ∛2.4 ≈ 1.3 in

<u>The difference:</u>

  • R - r = 1.9 - 1.3 = 0.6 in

Sliva [168]3 years ago
3 0

Answer: 20.0 inches

Step-by-step explanation:

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What is 54 as a percentage of 216?<br> %
OlgaM077 [116]

Answer:

54 as a percentage of 216% is 116.64.

Step-by-step explanation:

100% of 54 is 54 so 54 x 2 would be 108. We have solved 200% of it now for the 16%. The percentage of 54 of 16% would be 8.64. Now add up all we have learned.

108 + 8.64 = 116.64

6 0
2 years ago
The following triangles are similar. Find side AB.
tankabanditka [31]

Answer:

4

Step-by-step explanation:

Set up ratios of corresponding sides.  x+2 is to 6 as 2 is to 3:

\frac{x+2}{6}=\frac{2}{3}

Now cross multiply to get

3(x + 2) = 12 and

3x + 6 = 12 so

3x = 6 and

x = 2.  That means that side AB, x + 2, is 2 + 2 which is 4

4 0
3 years ago
Please explain or show how you got the answer
natka813 [3]
The answer is D) $0.15

James spent: $2.65
On 5 box of markers and 1 erase
So I divided 2.65 by 5 and got .15
$2.65 ÷ 5 = 0.15
So he spent $2.50 on markers an $0.15
Erasers

Based of James, Becky spent a dollar on. 2 boxes of markers
And $0.45 on 3 erasers

Hope I helped if so mark me as brainliest
3 0
3 years ago
What is the equation of the line? Please help asap!!!! First Correct answer will get brainestttttt !!
faust18 [17]

Answer:

3y= -2x-6

Step-by-step explanation:

The two points on the line are (-3,0) and (0,-2)

so you first get the gradient;

gradient= <u>change in y</u>

change in x

= <u>-2-0</u>

0-(-3)

=<u> -2</u>

3

so the answer above is the gradient

then pick one point that you used to get the gradient with, so as for me I'll pick (-3,0) and then a general point which is always (x, y)

since you have the gradient you can easily get the equation by doing this

<u>y-0</u><u>. </u><u> </u> = <u>-2</u>

x-(-3). 3

then crossmultiply to get the equation of the line

3y= -2(x+3)

3y= -2x-6

6 0
3 years ago
PLEASE PLEASE HELP ME PLEASE I AM SO DUM I DONT KNOW THE ANSWER PLEASE JUST HELP ME
pogonyaev

Answer:

Cougar population was 790 at the beginning

830-790=40

3 0
3 years ago
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