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xenn [34]
2 years ago
13

When completely filled, a spherical storage tank

Mathematics
1 answer:
mamaluj [8]2 years ago
6 0

Answer:

radius: 12

Given the following:

Volume of sphere: 7,240

Formula of volume of sphere:

Volume = 4/3 π (radius)³

Find radius:

  • 4/3 π (radius)³ = 7,240

<u>change sides</u>

  • (radius)³ = 7,240/(4π/3)

<u>simplify</u>

  • (radius)³ = 1728.422682

<u>cube root on both sides</u>

  • radius = ∛1728.422682

<u>simplify</u>

  • radius = 12
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What adds to negative 1 and multiplies to 12
forsale [732]
-4 and 3
-4 + would = -1
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6 0
3 years ago
Peter saves $167 a month. Peter saves $37 less each month than Bill. How much will Bill save in 2 years?
Vlad [161]

Answer:

Hello! Your answer should be $2448.

Step-by-step explanation:

First, we should add 37 to 167 to find out how much money Bill makes in one month. Once we find that to be 204, we must multiply that by however many months he will be saving up for (24 months = 2 years). This will give us the expression 204 x 28, which equals 2448.

So, Bill will save $2448 in 2 years. Hope this helps!

3 0
3 years ago
Tara scored 20 points in her first basketball game and n points in each of the next 6 games. What expression represents tara's t
Karo-lina-s [1.5K]

Answer:

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Step-by-step explanation:

Tara's point total is found by adding up the points in each game ...

  20 + n + n + n + n + n + n

  = 20 +6n

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Of course, we use multiplication to simplify repeated addition.

6 0
3 years ago
Assume that y varies inversely with x. If y=7 when x=2/3, find y when x=7/3
fgiga [73]
Inverse variation is of the form:

y=k/x, which we can express as:

yx=k  we are given the point (2/3, 7) so we can solve for k

7(2/3)=k

14/3=k

y=14/(3x), so when x=7/3

y=(14/3)/(7/3)

y=(14/3)(3/7)

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5 0
3 years ago
Please help with this one
anyanavicka [17]

Ok this inequality tells you the number of devices you can have before the new plan costs more than the old plan. The new plan expression is $4.50x + $94m =  y ( total cost). The old plan is $175m = y (total cost). You can see m (number of months) in both equations, you don't need it this time since we're going to to compare both to one month. Since they're both equal to y you can make them equal to each other. $4.50x + $94 = $175. Now you want to figure when the new plan is less than the old plan you switch the equal sign for a less than sign. $4.50x + $94 < $175; this will help you find the inequality you want. From there just use algebraic steps to find that x has to less than 18 or

x < 18.

3 0
4 years ago
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