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3 years ago

how do I figure out the area of a rectangle where the distance around the rectangle is 12.5 kilometers for 5th grade math

Mathematics

2 answers:

Anvisha [2.4K]3 years ago

8 0

Width times length is how you find the answer

maxonik [38]3 years ago

8 0

The formula to find the area of a rectangle is base times height.

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For Problems 11-12, expand the expressions using the Distributive Property. Then simplify the expressions. 12. 9(3y-5)

Aleonysh [2.5K]

Answer:

27y-45

Step-by-step explanation:

9(3y-5)=27y-45

6 0

3 years ago

Need help in number 22. Thanks for helping

USPshnik [31]

3/15=2/n

Multiply up and down

3*n, 15*2= 3n and 30

Divide by 3 for 3n and 30

3n/3=30/3

n=10

Check answer by using substitution method

3/15=2/n

3/15=2/10

Reduce by 3 for 3/15, Reduce by 2 for 2/10

3/15=1/5

2/10= 1/5

Answer is n=10- G

7 0

3 years ago

Read 2 more answers

Complete the square to solve the equation below

frutty [35]

$x^2+x= \frac{7}{4}$

Take one-half of the coefficient of x and square it, then add it to both sides.

$x^2+x+ (\frac{1}{4}) =\frac{7}{4}+ (\frac{1}{4})$

$x^2+x+(\frac{1}{4})= 2$

$\left(x+\frac{1}{2}\right)^2=2$

$x+\frac{1}{2}=\pm \sqrt{2}$
-----------------------------------------------------------------
$x+\frac{1}{2}=- \sqrt{2}$
$x=-\frac{1}{2}- \sqrt{2}$ <=

AND

$x+\frac{1}{2}= \sqrt{2}$
$x= \sqrt{2}-\frac{1}{2}$ <=

5 0

3 years ago

Themes in if you were coming in the fall

aev [14]

Themes in if you were coming in the fall

8 0

3 years ago

What is .7 repeating as a decimal?

Tatiana [17]

here's how to convert it!

"x = 7 /9

Explanation:

Let x = 0.777777777777 ... ... ... ... ...........(A)

then 10 x = 7.7777777777777 ... ... ... ... . ...........(B)

Subtracting (A) from (B)

9 x = 7 and x = 7 /9 "

3 0

3 years ago