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KatRina [158]
3 years ago
12

The perimeter of a square is given as 8x + 20 write two different expressions for the perimeter use factoring to write one of th

e expressions
Mathematics
1 answer:
tatyana61 [14]3 years ago
6 0
8x+20 = 4(2x+5) = 2(4x+10)
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Solve for n<br><br><br> 8+8+n-4=3n-2n
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Answer:

No solution

Step-by-step explanation:

8+8-4 = 12

12+ n = 3n-2n

3n-2n

12+n3n-2n

subtract n on both sides

12=0n

This makes it no solution  

8 0
3 years ago
Ez math help -thanks
bezimeni [28]

Answer:

use photo math.....

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3 0
3 years ago
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Does (3x+5)+5x+7=180?? and if it does what is the value of x?
Ostrovityanka [42]

Answer:  

x=21

Step-by-step explanation:

Let's solve your equation step-by-step.

3x+5+5x+7=180

Step 1: Simplify both sides of the equation.

3x+5+5x+7=180

(3x+5x)+(5+7)=180(Combine Like Terms)

8x+12=180

8x+12=180

Step 2: Subtract 12 from both sides.

8x+12−12=180−12

8x=168

Step 3: Divide both sides by 8.

8x /8 = 168 /8

x=21

brainliest please?

6 0
3 years ago
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Four friends are evenly dividing the cost of a meal at a pizza restaurant. They bought two large pizzas that cost $11 each, thre
marishachu [46]

Answer:

The answer is B. $11.50 each

Step-by-step explanation:

2 pizzas @ $11 each is $22

3 garlic bread orders @ $4 each is $12

2 pitchers of soda @ $6 each is $12

$22+$12+$12 = $46

4 friends are splitting it evenly.

$46 divided by 4 = $11.50


3 0
3 years ago
Use the substitution method to solve the system of equations. y=-8x and 4x-y=3
Artyom0805 [142]

Answer:

<h2>x = 1/4 and y = -2</h2>

Step-by-step explanation:

\left\{\begin{array}{ccc}y=-8x&(1)\\4x-y=3&(2)\end{array}\right\qquad\text{put (1) to (2):}\\\\4x-(-8x)=3\\4x+8x=3\\12x=3\qquad\text{divide both sides by 12}\\x=\dfrac{3}{12}\to x=\dfrac{1}{4}\\\\\text{put the value of x to (1):}\\\\y=-8\left(\dfrac{1}{4}\right)=-2

5 0
3 years ago
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