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Vanyuwa [196]
2 years ago
15

2a^2 + -1(2-a)+3b ; a = 5 , b = 0

Mathematics
2 answers:
Andreas93 [3]2 years ago
8 0
The answer is 53
——————————-
Maksim231197 [3]2 years ago
5 0

Answer:

53

Step-by-step explanation:

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What is the slope of a line that goes through the points (-3,0) and (-1,4)
aniked [119]

Step-by-step explanation:

4 -0 / -1 - -3.

4/2 = 2

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3 years ago
Find the perimeter of the figure. round all figures to the nearest hundredth Place
slavikrds [6]

Answer:

C

Step-by-step explanation:

The perimeter of a figure is found by adding the sides of all the figures. The figure has sides 13 and 9. Its height is 4 so each of those sides is about 4 feet. So the perimeter is 13+9+4+4 = 30

C is the best solution.

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How do I solve this .... question in the image. <br><br>thank you​
dezoksy [38]

Answer:

Below

Step-by-step explanation:

● x-20 = y+20 (1)

● 2(y-22) = x+22 (2)

This is a system of simulataneous equations

Let's simplify the expressions first

● x -20 = y + 20 (1)

Add 20 to both sides

● x -20 + 20 = y+20 +20

● x = y + 40 (1)

● 2(y-22) = x+22 (2)

● 2y - 44 = x +22

Substrat 22 from both sides

● 2y-44-22 = x+22-22

● 2y -66 = x (2)

This is the new system:

● x = y+40 (1)

● x = 2y-66 (2)

Substract (2) from (1)

● x-x = y+40-(2y-66)

● y+40-2y+66 = 0

● -y +106 = 0

● y = 106

Replace y with 106 in (1)

● x = y +40

● x = 106+40

● x = 146

So the solutions are (146,106)

8 0
3 years ago
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Step-by-step explanation:

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Answer:

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