2 years ago

Write a simplified expression to find the perimeter of a square with a side length of 3y units.

Mathematics

1 answer:

Murrr4er [49]2 years ago

4 0

Answer:

Perimeter= 12y units

3y(4) = 12y

Step-by-step explanation:

3y + 3y + 3y + 3y= 12y

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I need help with number 2 ASAP!!!!! The pictures is number 2.

mars1129 [50]

Answer:

$a=22.5\ units$

Step-by-step explanation:

we know that

If two figures are similar, then the ratio of its corresponding sides is equal

In this problem

If polygon RSUPE is similar to polygon KQUIC

then

$\frac{RS}{KQ}=\frac{RE}{KC}$

substitutes the values and solve for a

$\frac{a+2}{14}=\frac{17.5}{10}\\ \\10a+20=14*17.5\\ \\10a=245-20\\ \\a=225/10\\ \\a=22.5\ units$

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3 years ago

What is the measure of <8

True [87]

Answers:
Angle 8: 125
Angle 3: 55
The relationship between angle 1 and 5: corresponding angles.

Why? Angle 8 is equal to 180-55 so 125
Angle 3 is a corresponding angle to the angle labeled 55 so it’s 55. For the last one it is just the rule of law.

Hope this helps :D

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3 years ago

Which of these equations is correct? Select three that apply.

boyakko [2]

Answer:

c and d I think but not quite sure

3 0

3 years ago

Rewrite in simplest terms : <br> 9(-8d - 7 ) +6(d+7)

Pepsi [2]

Answer: -66d-21 I think.

Step-by-step explanation:

9(-8d-7<u>)</u>+6(d+7)

-72d-63+6d+42 Distributive Property

-72d+6d+-63+42 Combine Like Terms

-66d-21 Answer

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2 years ago

A television and DVD player cost $1053 the cost of the television is two times the cost of the DVD player

zhuklara [117]

Answer:

2106

Step-by-step explanation:

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3 years ago