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Tpy6a [65]
3 years ago
6

Questions in picture

Mathematics
1 answer:
andreev551 [17]3 years ago
3 0
A.) 250 words in 10 min
b.) 40 min
c.) yes

Hope this helps!
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4x^2-7x=15<br> Solve by factoring and please please please explain or show the work
vodomira [7]

Answer:

x=3 and x=-1.25

Step-by-step explanation:

4x^2-7x=15

subtract 15 from each side:

4x^2-7x-15=0

factor  (trying different numbers that the sum is 7 and the quotient is 15)

(2x-6 )(2x+2.5 )=0

2x-6=0 add 6 to each side

2x=6

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2x+2.5=0   subtract 2.5 from each side

2x=-2.5

x=-1.25

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Which variable are we solving for?

For y:

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