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3 years ago

I need the Volume and Surface Area I need now please

Mathematics

1 answer:

Vesnalui [34]3 years ago

8 0

Step-by-step explanation:

Volume = 1/3 pi r h

Sa = pi r l

L = root of r2 + h2

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If the diameter of a circle is 10 inches, find the radius.

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Answer:

5 inches

Step-by-step explanation:

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3 years ago

Given the slope m=4 what is the perpendicular slope

ELEN [110]

When a line is perpendicular, the slope is the negative reciprocal. Therefore, since the slope is 4, the slope of a line perpendicular is -1/4

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3 years ago

Can someone help me please ASAP?

PtichkaEL [24]

Answer:

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Step-by-step explanation:

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4 years ago

KHD M D CM E20 562 mm = [?] cm

Allisa [31]

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6 0

3 years ago

The time, t, required to travel a fixed distance varies inversely as the

Lemur [1.5K]

You must travel at 42 mph for 4 hours

Solution:

Time varies inversely as rate of motion

Let "t" be the time required

Let "r" be the rate of motion

Then, we get

$t \propto \frac{1}{r}\\\\t = k \times \frac{1}{r}\\\\t = \frac{k}{r} -------- eqn 1$

Where, "k" is the constant of proportionality

You travel 3 hours at a rate of 56 mph

Substitute t = 3 and r = 56 in eqn 1

$3 = \frac{k}{56}\\\\k = 3 \times 56\\\\k = 168$

Find the rate you must travel for 4 hours

r = ? and t = 4

Substitute t = 4 and k = 168 in eqn 1

$4 = \frac{168}{r}\\\\r = \frac{168}{4}\\\\r = 42$

Thus you must travel at 42 mph for 4 hours

4 0

4 years ago