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3 years ago

A 144-inch board is cut into two pieces. One piece is two times the length of the other. Find the lengths of the two pieces.

Mathematics

1 answer:

mote1985 [20]3 years ago

4 0

I think it would be 72

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the figure shown is a rectangle with a semicircle on each end. what is the area of the figure? use 3.14 for <img src="https://te

nirvana33 [79]

Answer:

$\boxed{a.\:\:\:76.3\:in^2}$

Step-by-step explanation:

The figure is made up of a rectangle and two semicircles.

We find the area of the rectangle using the formula;

$Area = l\times w$

$\Rightarrow Area = 8\times 6$

$\Rightarrow Area = 48\:in^2.$

We find the area of one of the semicircles and multiply by 2;

The area of the semicircles

$=2\times \frac{1}{2}\times \pi \times r^2$

We substitute $\pi =3.14$ and $r=3\:in$ to obtain;

$=2\times \frac{1}{2}\times 3.14 \times 3^2$

$= 3.14 \times 9$

$=28.26\:in^2$

The area of the figure is

$=48+28.26$

$=76.26\:in^2$

To the nearest tenth we have;

$=76.3\:in^2$

The correct answer is A

6 0

3 years ago

Read 2 more answers

3z + 2 + (-5) + 6 PLS HELP NEED TO TURN IN BY 2:30

Ostrovityanka [42]

Answer:

ok, but what does z in the equation equal? Since its a letter it has to equal to a number

5 0

3 years ago

Help, please

Andreas93 [3]

Answer:

Step-by-step explanation:

7 0

3 years ago

What's the answer for this ? & explain why it's right

lesya [120]

The answer is H. positive non-linear, because the dots are gradually increasing in height but not in a strait line so its not linear

4 0

3 years ago

Which of the following is right ?

denis23 [38]

The second one because 5.40 is less than 5.71

4 0

3 years ago

A 144​-inch board is cut into two pieces. One piece is two times the length of the other. Find the lengths of the two pieces.

A 144-inch board is cut into two pieces. One piece is two times the length of the other. Find the lengths of the two pieces.