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4 years ago

What is 18% of 50? _90 _50 _36 _9 _18

Mathematics

2 answers:

Alik [6]4 years ago

7 0

Answer: 9

Step-by-step explanation: To find 18% of 50, first write 18% as a decimal by moving the decimal point 2 places to the left to get .18.

Next, the word of means multiply, so we have (.18)(50) which is 9.

This means that 9 is 18% of 50.

FrozenT [24]4 years ago

5 0

Answer:

Step-by-step explanation:

percentages are reversable. like instead of 18% of 50 you could reverse it and say what is 50% of 18. which is 9.

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Answer:

Equal volumes

Step-by-step explanation:

Given

$h \to$ height of cone

$d \to$ diameter of cone

$H \to$ height of cylinder

$D \to$ diameter of cylinder

Such that:

$d = 2D$

$h =\frac{3}{4}H$

Required

The relationship between the volumes

The volume of a cylinder is:

$V_1 = \pi R^2H$

Where

$R = 0.5D$

So:

$V_1 = \pi (0.5D)^2H$

$V_1 = \pi *0.25*D^2H$

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The volume of the cone is:

$V_2 = \frac{1}{3}\pi r^2h$

Where

$r =0.5d$

$r = 0.5 * 2D$

$r = D$

and

$h =\frac{3}{4}H$

So, we have:

$V_2 = \frac{1}{3}\pi * D^2 * \frac{3}{4}H$

$V_2 = \frac{1}{4}\pi * D^2H$

$V_2 = 0.25\pi * D^2H$

$V_2 = 0.25\pi D^2H$

So, we have:

$V_1 = 0.25\pi D^2H$

$V_2 = 0.25\pi * D^2H$

$V_1 = V_2$

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3 years ago

Suppose you have a very large bin of white marbles (so large that you can assume you have an infinite supply) and an equally lar

wlad13 [49]

Answer:

$\left \{ {{20} \atop {3}} }.$

Step-by-step explanation:

supply = Infinite

supposing you intend to package the marbles in bags of 17

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3 years ago

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Answer:

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Step-by-step explanation:

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100% = 1850

2035 - 1850 = 185

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3 years ago

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Luden [163]

Answer:

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Novay_Z [31]

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