All categories

3 years ago

The area of a rectangle is 216 square inches. If the perimeter is 60 inches, find the length and width of the rectangle

Mathematics

1 answer:

mojhsa [17]3 years ago

3 0

A=Lw

P=2L+2w

216=Lw

W=216/L...substitute to Perimeter equation

60=2L+2(216/L)

60L=2L^2 + 432

2L^2-60L+432=0

2(L^2 - 30L + 216)=0

2(L-18)(L-12)=0

L=12, W=18 or L=18, W=12

You might be interested in

Your class is holdinga fundraiser for a local charity after the first week your class raised 1/8 goal after the second week your

n200080 [17]

Answer: $\dfrac{19}{40}$

Step-by-step explanation:

Given: Fraction of goal raised on first day = $\dfrac{1}{8}$

Fraction of goal raised after second day = $\dfrac35$

Now , Fraction of goal raised on second day = Fraction of goal raised after second day - Fraction of goal raised on first day

$=\dfrac35-\dfrac18\\\\=\dfrac{24-5}{40}\\\\=\dfrac{19}{40}$

Required fraction = $\dfrac{19}{40}$

7 0

3 years ago

What are 10 duties of a police without coping and pasting

valina [46]

The primary duty of a police officer is to protect people and property. This really summarizes the "10 Duties of a Police Officer".

4 0

3 years ago

Just one help please

Helga [31]

Hello
A is correct
B is correct
C is correct
Good luck!

6 0

3 years ago

Which graph models the function f(x) = -4(2)x?

scoray [572]

It is C.

If you type in your calculator "Y=" and then " -4(2)^x " and click "GRAPH" you will see a descending graph, from left to right, that looks EXACTLY like the third graph in option C.

5 0

3 years ago

Read 2 more answers

Chen has 4 pizzas to share with his friends. If each person will eat 2/3 of a pizza,how many people can share the pizzas?

sweet-ann [11.9K]

Answer:6 people

Step-by-step explanation: divide 4 by 2/3

4 0

3 years ago