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Effectus [21]
3 years ago
10

A−15=4a−3a solve for a

Mathematics
1 answer:
Vlada [557]3 years ago
6 0

Answer: A= -4

Step-by-step explanation:

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Line FG contains points F (3,7) and G (-4,-5) line HI contains points (-1,0) and I (4,6) lines FG and HI are. ?
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FG : (3,7)(-4,-5)
slope = (-5 - 7) / (-4-3) = -12/-7 = 12/7

y = mx + b
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(3,7)...x = 3 and y = 7
now we sub, we r looking for b, the y int
7 = 12/7(3) + b
7 = 36/7 + b
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HI : (-1,0)(4,6)
slope = (6 - 0) / (4 - (-1) = 6/5

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7 0
3 years ago
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If a person gets flat commission of $60 for every $200 of profit then for $1000 profit the commission would be $300. For $1500 the commission would be $450.

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<span>Answer:

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