3 years ago

Rename and using the least common denominator.

Mathematics

1 answer:

geniusboy [140]3 years ago

4 0

Answer:

What do you mean

Step-by-step explanation: What is the question?

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Answer:

31.5 hours studying English

Step-by-step explanation:

2 math hours = 3 english hours

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21/2 = 10.5

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3 years ago

Find the area and the circumference of a circle with a diameter 8yrd.

nalin [4]

Answer:

Part 1) The area of the circle is $A=50.24\ yd^2$

Part 2) The circumference of the circle is $C=25.12\ yd$

Step-by-step explanation:

step 1

The area of a circle is equal to

$A=\pi r^{2}$

we have

$r=8/2=4\ yd$ ---> the radius is half the diameter

$\pi =3.14$

substitute

$A=(3.14)(4)^{2}$

$A=50.24\ yd^2$

step 2

The circumference of a circle is equal to

$C=\pi D$

we have

$D=8\ yd$

$\pi =3.14$

substitute

$C=(3.14)8$

$C=25.12\ yd$

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Step-by-step explanation:

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