2 years ago

Which of the following expressions can be used to find the perimeter of a rectangle?

Mathematics

1 answer:

morpeh [17]2 years ago

5 0

Answer:

2l + 2w. l+l+w+w. l+l+2w. 2(l+w)

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Hello I need help on this math question

Zigmanuir [339]

Answer:

$50.24\ cm ^2$

Step-by-step explanation:

Let's start by finding the radius of this circle.

$D=2r\\8=2r\\\text{Divide both sides by 2}\\r=4$

Note that in the equation:

$A=\pi r^2$

"A" stands for area and "r" stands for radius.

Now, let's substitute the given values into the equation.

$A=\pi r^2\\A=3.14*(4)^2\\A=3.14*16\\A=50.24\ cm^2$

8 0

1 year ago

sally has 200$ in her checking account and gets paid 15$ an hour for babysitting kent has $245 in his checking account and gets

kogti [31]

Answer:

Sally and Kent would have to each work a total of 15 hours to have the same amount of money in their checking account.

Step-by-step explanation:

Set up equations.

x = hours, T = total $

Sally:

T = 200 + 15x

Kent:

T = 245 + 12x

Set both equations equal to each other.

200 + 15x = 245 + 12x (subtract 200 from both sides)

15x = 45 + 12x (subtract 12x from both sides)

3x = 45 (divide both sides by 3)

x = 15

7 0

2 years ago

A door to a playhouse is 50 inches tall. Which of the following is another measure equal to the height?

igor_vitrenko [27]

The answer is A!!!!!!!!!!!!!!!

3 0

2 years ago

Read 2 more answers

Chris ran 25 miles, while Bill ran 5 miles. How many times farther did Chris run than Bill?

mixer [17]

Answer: Chris ran 20 miles more then Bill

Step-by-step explanation:

25(Chris) - 5(Bill) = 20 Miles

Hope this helped, have a great day/night!

~IFoundJiminsLostJams~

8 0

2 years ago

Read 2 more answers

Naoko has $900 in her account and plans to take $45 out each week. Gus has $252 in his account and plans to add $27 each week. A

KonstantinChe [14]

The answer is 495 dollars

3 0

2 years ago