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son4ous [18]
3 years ago
12

A repair bill for your car is $553. The parts cost $265. The labor cost is $48 per hour. Write and solve an equation to find the

number of hours of labor spent repairing the car.
Mathematics
1 answer:
rusak2 [61]3 years ago
8 0
(553-265)/48=6
6 hours spent repairing the car
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Write using only positive exponents. 16x^4z^4/36x-2yz^0
kolbaska11 [484]

Answer:

Step-by-step explanation:

16x^4y^-3z^4 / 36x^-2yz^0

16x^4y^-3z^4 = 16x^4z^4/y^3

36x^-2yz^0 = 36x^-2y(1) =36x^-2y = 36y/x^2

16x^4y^-3z^4 / 36x^-2yz^0

= (16x^4z^4/y^3) / (36y/x^2)

= 16x^4z^4/y^3 * x^2/36y  

= (4/9)x^6z^4/y^4

or another way

fist multiply it out

f(x) = 4x^(3/5) - x^(8/5)

now differentiate knowing d/dx(x^n) = n x^(n-1)

to get

4*(3/5) x^(-2/5) - 8/5 x^(3/5)

simplify to get

12/5/x^(2/5) -   8/5 x^(3/5)

If this is what your looking for please give me brainiest, i have done this problem in the past so i know how to solve it :)

5 0
3 years ago
Given that
yulyashka [42]

Answer:

y = - 49

Step-by-step explanation:

Given

7x - 2y = 35 ← substitute x = - 9 into the equation

7(- 9) - 2y = 35, that is

- 63 - 2y = 35 ( add 63 to both sides )

- 2y = 98 ( divide both sides by - 2 )

y = - 49

5 0
3 years ago
Read 2 more answers
Please help me with this
Snowcat [4.5K]

Answer:

-9

Step-by-step explanation:

a(2) = a(1)+4 = -13+4 = -9

5 0
2 years ago
What is the answer to rounding 12.3
AnnZ [28]
To round it would be 0-4 you keep the same # 5-up so in this case it would be 12 ,
5 0
3 years ago
The foot of a ladder is placed 5 feet from a building. The top of the ladder rests
bonufazy [111]
13ft you would do 5^2+12^2 with a answer of 169 then you do the square root of that to get 13
7 0
3 years ago
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