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2 years ago

What is the area of a circle with a radius of 6 inches?

Mathematics

1 answer:

Irina18 [472]2 years ago

5 0

Answer:

Step-by-step explanation:

A circle of radius = 6 or diameter = 12 or circumference = 37.7 inches has an area of:

7.29676 × 10 -8 square kilometers (km²)

0.0729676 square meters (m²)

729.676 square centimeters (cm²)

7.29676 × 10 4 square millimeters (mm²)

2.81729 × 10 -8 square miles (mi²)

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dlinn [17]

<h3>Answer:</h3><h3>349 in2</h3><h3>Step_by _step explanation:</h3>

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3 years ago

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(Please help ASAP 16 points! Thanks in advance!) solve -2a - 5 > 3

Bas_tet [7]

Answer:

a<-4

Step-by-step explanation:

To solve this, you have to isolate a. This means you will have to add 5 to both sides. This will make the equation -2a>8. Divide both sides by 2 to get -a>4. Divide each side by -1 to get a>-4. Because you have to flip the sign when you divide by a negative number, you have to change it into a<-4.

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2 years ago

A volleyball of radius 13 inches fits exactly in a cylinder with the same radius. inside the container there is empty space not

asambeis [7]

Volume of Sphere is V=(4/3)*PI*r^3

The radius of the volleyball is 13 inches

<span>So V=(4/3) * 3.14 * 13^3 = 9198 cubic inches</span>

Volume of a cylinder is V=pi * r^2 *h

Since they say the ball fits perfectly

The radius is 13 and the height is 26 ( the diameter of the ball)

So V=3.14 * 13^2 * 26 = 13,797 cubic inches

13797 – 9198 = 4,599 cubic inches of empty space

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3 years ago

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Which property of multiplication is shown?<br><br> r · s = s · r

kodGreya [7K]

Answer:

That is the commutative property.

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2 years ago

A counter top is 18 feet long and 3 feet wide. What is the area of the counter top in square meters? Use the conversion 1 foot =

podryga [215]

Answer:

Area of the counter top is $5.02\ m^2$ .

Step-by-step explanation:

Given:

Length of the Counter top = 18 feet

Width of the counter top = 3 feet

We need to find the area of the counter top is square meter;

Solution:

Now we need to find the area of the counter top is square meter.

But given data is in feet so we will first convert feet into meters.

1 foot = 0.305 meter.

So 18 feet = Number of meters in 18 feet.

By Using Unitary method we get;

Number of meters in 18 feet = $18\times 0.305 = 5.49\ m$

Length of the Counter top = 5.49 m

Also 3 feet = Number of meters in 3 feet.

Again Using Unitary method we get;

Number of meters in 3 feet = $3\times 0.305 = 0.915\ m$

Width of the counter top = 0.915 m

Now we know that;

Area of the counter top can be calculated by multiplying Length of the counter top with width of the counter top.

framing in equation form we get;

Area of the counter top = $5.49\times 0.915 = 5.0233\ m^2$

Rounding up to 2 decimals we get;

Area of the counter top = $5.02\ m^2$

Hence Area of the counter top is $5.02\ m^2$ .

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3 years ago