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12345 [234]
3 years ago
12

Find the perimeter of the figure​

Mathematics
1 answer:
irinina [24]3 years ago
3 0

Answer:

114 ft

Step-by-step explanation:

We split the figure into two rectangles. The long triangles perimeter is equal to 30 + 30 + 9 + 9 = 78. Then, the top triangle is equal to 9 + 9 + 9 + 9, which is equal to 36. Then to find the perimeter of the entire figure, we add these two shapes together, 78 + 36, which gets us to our final answer, 114 ft.

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Step-by-step explanation:

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2 years ago
Betty had a score of an 80 on her first quiz and a score of an 88 on her second quiz. what is the percent?
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4 0
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What is the equation of the line shown in this graph?<br><br><br><br> Enter your answer in the box
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Read 2 more answers
Solve the following system of equations by substation.
Cerrena [4.2K]

Answer:

C. (-1, 3)

Step-by-step explanation:

Label the 2 equations:

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x= -6y +17 -----(2)

Substitute (2) into (1):

5y= 7(-6y +17) +22

5y= -42y +119 +22 <em>(</em><em>Expand</em><em> </em><em>bracket</em><em>)</em>

5y= -42y +141 <em>(</em><em>Simplify</em><em>)</em>

42y +5y= 141 <em>(</em><em>+</em><em>42y</em><em> </em><em>on</em><em> </em><em>both</em><em> </em><em>sides</em><em>)</em>

47y= 141

y= 141 ÷47 <em>(</em><em>÷</em><em>4</em><em>7</em><em> </em><em>on</em><em> </em><em>both</em><em> </em><em>sides</em><em>)</em>

y= 3

Substitute y= 3 into (2):

x= -6(3) +17

x= -18 +17

x= -1

Thus, the solution is (-1, 3).

7 0
2 years ago
What is the value of y in the equation -2y + 6 = -12?
Anit [1.1K]

Answer:

-2y + 6 = -12

Step-by-step explanation:

well the answer is 9, y=9 :)

PLEASE MARK ME BRAINLIEST!!!

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2 years ago
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