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padilas [110]
3 years ago
12

If (6y − 11)(6y + 11) = ay2 − b, what is the value of a? The value of a is ____________. Numerical Answers Expected! Answer for

Blank 1:

Mathematics
2 answers:
Ksju [112]3 years ago
5 0
I hope this helps you

laiz [17]3 years ago
3 0
Multiply
we notice a difference of 2 perfect square
(a-b)(a+b)=a^2-b^2
(6y-11)(6y+11)=(6y)^2-(11)^2=36y^2-121

a=36
b=121
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The company is considering the purchase of a new machine for $75,660 (based on the available data), and the payback period is <u>24 years</u>.

<h3>What is the payback period?</h3>

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9/-6
Then you make the fraction smaller! 
-3/2 = Answer <span />
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