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Sedaia [141]
4 years ago
13

Circle P has a circumference of approximately 75 inches. Circle P with radius r is shown. What is the approximate length of the

radius, r? Use 3.14 for . Round to the nearest inch.
Mathematics
2 answers:
Komok [63]4 years ago
8 0

Answer:

12 inches, I hope this is right! :)

Step-by-step explanation:

circumference = 75 inches

75 / 2 = 35.7

37.5 / π = 11.9366207

Rounded to the nearest inch:

12 inches

kolbaska11 [484]4 years ago
7 0

Answer:

12 inches

Step-by-step explanation:

The circumference of a circle can be found using the following formula.

c= 2πr

We know that the circumference is 75 inches and we are using 3.14 for pi. Therefore, we can substitute 75 in for c and 3.14 for pi.

75= (2*3.14) r

Multiply 2 and 3.14

75= 6.28* r

We want to find r, or the radius. Therefore, we must get r by itself.

r is being multiplied by 6.28. The inverse of multiplication is division. Divide both sides by 6.28.

75/6.28= 6.28*r/6.28

75/6.28=r

11.9426752=r

Round to the nearest inch. The 9 in the tenth place tells us to round 11 up to a 12.

12= r

r= 12 inches

The approximate length of the radius is 12 inches.

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If john can drink one barrel of water in 6 days, and mary can drink one barrel of water in 12 days, how long would it take them
krek1111 [17]
Hello,

A good first step to take would be to calculate how much of a barrel John and Mary can drink together in 1 day.


If John can drink 1 barrel in 6 days, then every day he can drink 1/6 of a barrel.
If Mary can drink 1 barrel in 12 days, then every day she can drink 1/12 of a barrel. 

Every day, the total that John and Mary can drink will be (1/6) + (1/12) = (1/4) of a barrel.

If we want to know how many days it will take for them to drink 1 barrel of water together, and they drink 1/4 of a gallon every day, we do 

(1) / (1/4) = 1 * (4/1) = 4 days

It will take 4 days for John and Mary to drink 1 barrel together.

Hope this helps!


6 0
3 years ago
Does anyone know the answer plz ?
amm1812

Answer:

false it would be something like x root 2

Step-by-step explanation:

8 0
3 years ago
I need a answer to this
Ugo [173]

-6b = -66

You divide -6 on both sides. A negative multiplied/divided by a negative equals a positive

-1 · -1 = 1

-1 ÷ -1 = 1

b = 11

7 0
3 years ago
Please help find the amount of interior angles in the shape.
gladu [14]

The polygon has 11 sides.

The measure each interior angle is 147.272°.

Solution:

The given shape is a regular polygon.

(a) Number of sides of the polygon = 11

The polygon has 11 sides.

(b) To find the measure of each interior angle:

Each interior angle of a regular polygon

                                    $=\frac{(n-2) \times 180^{\circ}}{n}

                                    $=\frac{(11-2) \times 180^{\circ}}{11}

                                     $=\frac{9 \times 180^{\circ}}{11}

                                     =147.272^\circ

The measure each interior angle is 147.272°.

8 0
4 years ago
Answer correct for brainliest and a thanks ! Don't answer if you don't know it please :) and it's blurry some so just zoom in !
Charra [1.4K]
The percent of variation is 85.1%.  If you enter the numbers into a calculator and store the regression equation, it will be the r^2 value when calculated.
6 0
4 years ago
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