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Contact [7]
3 years ago
13

Name the solid and find its volume. Use 3.14 as the approximate value of pi.

Mathematics
1 answer:
sineoko [7]3 years ago
7 0

It is given in the question that the solid is a cone with height of 16 units and radius of 7 units .

The formula of volume of cone is

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

To find the volume, we substitute the given values of r and h and use 3.14 for pi. That is

V = \frac{1}{3} *3.14*7^2 *16 = 820.6 \ units \ cube

And that's the required volume of the cone .

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jim drove 168 miles in 4 hours. if he keep the same pace, how long will if take him to drive 504 miles
pentagon [3]
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6 0
3 years ago
Find the area round to two decimal places as needed
Mademuasel [1]

To find the area of an obtuse triangle you have to multiply the base of the triangle by the vertical height and divide the result by 2 following the formula:

A=\frac{b\cdot h}{2}

The base of the triangle is b= 7 miles and the height is h= 8 miles, using these lengths calculate the area as follows:

\begin{gathered} A=\frac{7\cdot8}{2} \\ A=\frac{56}{2} \\ A=28mi^2 \end{gathered}

The area of the triangle is 28 square miles.

3 0
1 year ago
Pi is an irrational number. could pi = 22/7? why or why not?
Marina CMI [18]
No, it can't.

Irrational numbers are numbers that cannot be expressed as fractions.

So therefore, Pi cannot equal 22/7.
4 0
2 years ago
Read 2 more answers
at one store 3 sweaters cost $44.99 and at a store next door the same sweater costs $52.00 for 4 which store has the better deal
Liono4ka [1.6K]

Answer:

The first store

Step-by-step explanation:

3sweaters->$44.99

4sweaters->x

x=4×44.99/3 x=$59.98

3sweaters->$52.00

4sweaters->x

x=4×52/3 x=$69.33

first store<second store

59.98<69.33

8 0
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In this population, suppose that immigration and emigration make the population size naturally variable between 2,000 and 14,000
alisha [4.7K]

Answer:

Step-by-step explanation:

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