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3 years ago

15

If (6y − 11)(6y + 11) = ay2 − b, what is the value of a?

1 answer:

lara31 [8.8K]3 years ago

4 0

I hope this helps you

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Solve for x.2 1/4x = 8 1/2

lorasvet [3.4K]

Answer:

$\large\boxed{x=3\dfrac{7}{9}}$

Step-by-step explanation:

$2\dfrac{1}{4}x=8\dfrac{1}{2}\qquad\text{convert the mixed numbers to the improper fractions}\\\\\dfrac{2\cdot4+1}{4}x=\dfrac{8\cdot2+1}{2}\\\\\dfrac{9}{4}x=\dfrac{17}{2}\qquad\text{multiply both sides by 4}\\\\4\!\!\!\!\diagup^1\cdot\dfrac{9}{4\!\!\!\!\diagup_1}x=4\!\!\!\!\diagup^2\cdot\dfrac{17}{2\!\!\!\!\diagup_1}\\\\9x=(2)(17)\\\\9x=34\qquad\text{divide both sides by 9}\\\\x=\dfrac{34}{9}\\\\x=3\dfrac{7}{9}$

6 0

2 years ago

Once a commercial plane reaches the desired altitude, the pilot often travels at a cruising speed. On average, the cruising spee

marshall27 [118]

3990

570 multiplied by 7 is 3990

4 0

2 years ago

Read 2 more answers

What is the measure of angle x?<br><br><br><br> Enter your answer in the box.<br><br> m∠x= <br> °__

Dmitry [639]

x=83°

Step-by-step explanation:

In the given figure,

Sum of all angles of triangle = 180°

So, 44° + 53° + x = 180°

97° + x = 180°

x = 180 - 97

x = 83°

Hope helps :D

3 0

1 year ago

What is 4y×2 when is y=2

nikitadnepr [17]

Answer:

16

Step-by-step explanation:

4x2=8

8x2=16

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2 years ago

Aubrey rented tables and chairs for a party. She rented 72 chairs and 18 tables. What is the unit rate in chairs per table?

nasty-shy [4]

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2 years ago