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Zepler [3.9K]
3 years ago
10

X=-2y+16 4x+8y=32 substitutional equation

Mathematics
1 answer:
Dahasolnce [82]3 years ago
5 0
4(-2y + 16) + 8y = 32
-8y + 64 + 8y = 32
64 = 32
Answer: no solution
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Part of a W-2 is shown.
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Need answer asap!!!!!<br><br> how would i solve this?
lesya [120]

The height of the building to the nearest tenth of a meter is; 13 m

<h3>How to make use of Cosine Rule?</h3>

The slant line from the top of Trevor's head to the base of the building is gotten from Pythagoras theorem;

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5 0
2 years ago
4(5x + 9)^2 – 33 = -21
ozzi

Answer:

x = sqrt(3)/5 - 9/5 or x = -9/5 - sqrt(3)/5

Step-by-step explanation by completing the square:

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4 (5 x + 9)^2 - 33 = -21

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4 (5 x + 9)^2 = 12

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(5 x + 9)^2 = 3

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5 x = sqrt(3) - 9 or 5 x + 9 = -sqrt(3)

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x = sqrt(3)/5 - 9/5 or 5 x = -9 - sqrt(3)

Divide both sides by 5:

Answer:  x = sqrt(3)/5 - 9/5 or x = -9/5 - sqrt(3)/5

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4 years ago
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Sonja [21]
The correct graph would be graph A.

Since the line hits the y-axis at -1. And it goes down 2 and to the left 3 for each point.
3 0
3 years ago
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