3 years ago

If a = 9-4√5 find the value of a - 1/a

Mathematics

1 answer:

e-lub [12.9K]3 years ago

7 0

The solution is attached
the answer is -8√5

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A painting contractor paints with a brush at a rate of 192 square feet per hour. using a paint sprayer, she is able to cover 576

lara31 [8.8K]

Hi there,

2400 + 1632 = 4032

3 * 192 = 576

4032 - 576 =>

3532 - 76 =>

3532 + 24 - 76 - 24

3556 - 100

3456

3456 / 576 => 6

Therefore, 6 hours of sprayer work

Hope this helps!

Sincerely,

Dus4nR

5 0

2 years ago

The equation y = 16x describes the amount of money Louis earns, where x is the number of hours he

Digiron [165]

Answer:

A) $14 per hour

B) Luis earns two dollars per hour more than Carl

Step-by-step explanation:

4 0

2 years ago

Solve for u 8 = u - 5

gtnhenbr [62]

Answer: $u=13$

Step-by-step explanation:

Flip the equation:

$u-5=8$

Add 5 to both sides:

$u-5+5=8+5$

Get your answer:

$u=13$

7 0

3 years ago

There are 4 boxes of crayons that will be shared by 8 students. How many boxes of crayons does each student get? Choose the corr

rjkz [21]

Answer:

1/2 a box

Step-by-step explanation:

as you are sharing 4 objects between 8 people, all you have to do is divide them.

4 ÷ 8 = 0.5 (1/2)

7 0

3 years ago

HELP ME GET THE SOLUTION

malfutka [58]

Answer:

$r = 143$

Step-by-step explanation:

$the \: formula \: is = (n - 2) \times 180 \\ (5 - 2) \times 180 = 540 \\ 540 - 124 - 124 - 95 - 54 = 143$

3 0

2 years ago