A square dinner napkin 8in. on each side is folded along its diagonal. Find the area of the folded napkin.

Answers

Answer 1

Answer: Since you need to find the area of a square napkin, you need to know what the formula for a square is. It is height multiplied by base. So a square is equal in all sides. 8×8=64
Answer: 64 in²

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F(x, y) = 4x + 7y - 6, please find the value of f(5,-5).

Answers

f(x, y) = 4x + 7y - 6

substitute x=5 and y=-5

f(5,-5) = 4(5) + 7(-5) - 6

f(5,-5) =20-35-6

= -15-6

=-21

X -5y =-15

x=-5
what does y equal to

Answers

Hello.

X= −5/14 y

Step 1: Add -15x to both sides.

x−5y+ −15x= 15x+ −15x

−14x−5y=0

Step 2: Add 5y to both sides.

−14x −5y+5y= 0+5y

−14x=5y

Step 3: Divide both sides by -14.

−14x/−14= 5y/−14

x= −5/14 y

Have a nice day

Sarah cut off 1/8 of 48 inch piece of ribbon. Jane cut off 1/9 of a 36 inch piece of ribbon. They compare their cut piece. Whose piece is longer? How much longer

Answers

1/8 of 48 is 6, so Sarah cut 6 inches. 1/9 of 36 is 4, so Jane cut 4 inches. 6 is greater than 4, therefore, Sarah's piece is longer by 2 inches.

Write each fraction as a percentage

Answers

Hi there!

To convert a fraction to a percentage you need to first convert the fraction to a decimal number. To convert a fraction to a decimal number you need to treat the fraction like a division problem.

$(1)/(3)$ as a division problem would be 1 divided by 3, which is:

1 ÷ 3 = 0.3333333...

Now to covert a decimal to a percent all you do is move the decimal point over to the hundreds place, so it will look like this:

33.3

I will be rounded down because it is less then 5. Now just add a percent sign on the end and that is your answer! I should look like this:

33.3%

Your friend, ASIAX

1.3 I think cause that's a percentage

A beach ball has a radius of 12 in.. How much air will the beach ball hold? (leave your answer in terms of π)

Answers

Answer:

Volume of beach ball is $2304\pi\ in^(3)$ .

Step-by-step explanation:

Formula

$Volume\ of\ sphere = (4)/(3)\pi r^(3)$

Where r is the radius of the sphere .

As given

A beach ball has a radius of 12 in.

r = 12 in

$Volume\ of\ beach\ ball= (4)/(3)\pi* 12* 12* 12$

$Volume\ of\ beach\ ball= (4* 12* 12* 12)/(3)\pi$

$Volume\ of\ beach\ ball= 2304\pi\ in^(3)$

Therefore the volume of beach ball is $2304\pi\ in^(3)$ .

The equation to find the volume of a sphere is V=4/3(pi)r^3.
So I cubed 12, times by 4, and divided by 3, so the volume of the beach ball is 2,304(pi) cubic inches. Hope this helps.

115>5.75x+28.75 what is x

Answers

115>5.75x+28.75
5.75x+28.75<115
5.75x<115-28.75
5.75x<86.25
x<86.25/5.75
x<15 or (-∞,15)

Answer: x<15 or (-∞,15)

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