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RoseWind [281]4 years ago

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20 times the sum of 4 and 2

ruslelena [56]

Answer:

120

Step-by-step explanation:

add 4 and 2 then multipy by 2 and add a zero

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The archway of the Gateway Arch shown on the Missouri quarter is 630 feet OR 7560 inches. Find out how many 4 inch stacks of qua

Rzqust [24]

Answer:

To do this you want to divide 7560 by 4. This leaves you with 1845. Therefore, you need 1845 4-inch stacks to build that high. You are not done though. You need to multiply 1845 by 58. This gives you 107,010. It would take 107,010 quarters to get to the top.

Step-by-step explanation:

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3 years ago

Three times a quantity decreased by fourteen

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3(x)-14 3(1)-14

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3 years ago

Question Help

klasskru [66]

Answer:

16 times

Step-by-step explanation:

$\textsf{Volume of a cone}=\sf \dfrac{1}{3} \pi r^2 h \quad\textsf{(where r is the radius and h is the height)}$

If only the radius is changed, the change in volume will be proportionate to the multiplicative factor squared.

$\sf \implies Volume =\dfrac{1}{3} \pi (ar)^2h=\dfrac{1}{3} \pi (a^2)r^2h$

Therefore, if the cone is quadrupled (multiplied by 4), the volume of the larger cone will be 4² times greater than the volume of the smaller cone, so <u>16 times greater </u>than the smaller cone.

<h3><u>Proof</u></h3>

Given: