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never [62]
3 years ago
10

(7x+3)(x-9) need help

Mathematics
1 answer:
Natalka [10]3 years ago
8 0
7x^2-63x+3x-27=0

Simplify. 

7x^2-60x-27=0

To find value of x, 7x+3=0
x-9=0 

x1=-3/7
x2=9

Substitute back in equation to find the answer either x1 or x2
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A stock was purchased at $15.75 per share, and sold at $19.25 per share.
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ANSWER:
B. $3.50


STEP BY STEP EXPLANATION:

We start out with buying the stock for $15.75 then sell it at $19.25. We need to find the difference.

Subtract $15.75 from $19.25

19.25 - 15.75 = 3.50

To check your work add $3.50 to $15.75

15.75 + 3.50 = 19.25


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Answer:

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3 years ago
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A cube has a surface area of 24 ft squared .What is the length of on edge of the cube?
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