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3 years ago

A group of students sold 84 candles in 4 hours. At what unit rate were the candles being sold

Mathematics

2 answers:

lys-0071 [83]3 years ago

7 0

The candies are being sold at a rate of 21 candies per hour

nikklg [1K]3 years ago

3 0

21 candles per hour
84/4=21

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The volume of a sphere is 4/3pi cm^3<br> what is the diameter of the sphere?

aleksandrvk [35]

The Diameter of sphere is 2cm.

Step-by-step explanation:

Given,

Volume of sphere = $\frac{4}{3}\pi \ cm^3$

Let,

diameter = d

As we know,

Volume of sphere = $\frac{4}{3}\pi \ r^3$

Therefore,

$\frac{4}{3}\pi\ r^3 = \frac{4}{3}\pi \\Multiplying\ both\ sides\ by\ \frac{3}{4\pi }\\\frac{3}{4\pi }*\frac{4}{3}\pi \ r^3 = \frac{4}{3}\pi * \frac{3}{4\pi }\\r^3=1\\(r)^3=(1)^3\\r=1$

We know that,

Diameter = 2r

Diameter = 2*1

Diameter = 2 cm

The Diameter of sphere is 2cm.

Keywords: Volume, Diameter

Learn more about diameters at:

#LearnwithBrainly

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3 years ago

If f(x)= -5 -7x, find f(-2)

swat32

Answer:

Given f(-2)

= -5 -7(-2)

= -5+14

= 9

Thus f(-2) of f(x)= 5-7x is 9

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3 years ago

Question? <br><br> rewrite using standard notation 9.4 x 10^1 ????

grigory [225]

In general if multiplying, move decimal to RIGHT by whatever the exponent is.
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3 years ago

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PSYCHO15rus [73]

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3 years ago

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forsale [732]

Answer:

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Step-by-step explanation:

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3 years ago

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