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Norma-Jean [14]
3 years ago
7

(x+7)(2x+1)=7 solve by using quadratic formula

Mathematics
1 answer:
Olenka [21]3 years ago
8 0
I believe it is x= 7, -2
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y = 55/10x + 50 is the equation to represent this situation

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2 years ago
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KengaRu [80]

Answer:

B

Step-by-step explanation:

Since x varies directly as y, the ratio of x to y remains the same. Let the value of x when y=4 be a. Then we have

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7 0
3 years ago
Find the measure of angle A.<br> A<br> 7x-1<br> 12x<br> 489
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Answer:

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Step-by-step explanation:

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