3 years ago

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

Mathematics

2 answers:

Sindrei [870]3 years ago

7 0

Ay2(6y-11) - b (6y+11)
multiply
12ay6^2 - 22ay - 6by +10b

insens350 [35]3 years ago

7 0

Answer:

ay2(6y-11) - b (6y+11)

multiply

12ay6^2 - 22ay - 6by +10b

Step-by-step explanation:

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Step-by-step explanation:

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I need to solve for x and y. Any help is greatly appreciated! Thank you!

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x=-3, y=1

Step-by-step explanation:

Given equations are:

2x-3y=-9 Eqn 1

x+y = - 2 Eqn 2

From eqn 2:

$x=-y-2$

Putting x=-y-2 in eqn 1

$2(-y-2)-3y=-9\\-2y+4-3y=-9\\-5y-4=-9\\Adding\ 4\ on\ both\ sides\\-5y-4+4=-9+4\\-5y=-5\\Dividing\ both\ sides\ by\ -5\frac{-5y}{-5}=\frac{-5}{-5}\\y=1\\Putting\ y=1\ in\ eqn\ 2\\x+1=-2\\Subtracting\ 1\ from\ both\ sides\\x+1-1=-2-1\\x=-3$

Hence,

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Keywords: Linear equations, Variables

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#LearnwithBrainly

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3 years ago

Justin car can travel 75 miles using 3 gallons of gas. At this rate, how far, in miles, can Justin travel using 8 gallons of gas

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Answer:

Justin travels 211.83 miles on 8.2 gallons of gas.

Step-by-step explanation:

77.5 miles / 3.1 gallons = x miles / 8.2 gallons

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