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guajiro [1.7K]
3 years ago
15

A mechanic charges $55 an hour for an oil change and spends $45 a day on supplies. Which expression represents the amount the me

chanic earns in one day?
Mathematics
1 answer:
san4es73 [151]3 years ago
5 0

Answer:

55x-45=y

Step-by-step explanation:

in terms of algeabra 55 dollars per hour x amount of hours 45 spent so subtract 45; y is the amount per day. The variables can be swapped

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1/8 (3d-2) = 1/4 (d+5)
tatiyna
OK, so for this equation, your goal is to get the d, and ONLY the d, on one side of the equation. So, to start out, you need to multiply the entire equation, meaning both sides, by 8 because we are trying to get rid of those pesky fractions.
8(1/8(3d-2)=1/4(d+5))
The equation then turns into this because the 8 and 4 cancelled out with the 8.
1(3d-2)=2(d+5)
Now, we need to distribute the left over numbers into the parenthesis.
3d-2=2d+10
And finally, we need to get the d's on one side, and the numbers on the other, so we subtract 2d from both sides and add the 2 to both sides. They then cancel out to make
d=12
Hope it helps!  :)
8 0
3 years ago
Maya says that value of the 6 in 0.006 is 1/10 of the value of the 6 in 0.6 . Is she correct? Explain
Nikolay [14]

Answer:

Maya is NOT correct  as

\frac{1}{1000} is  1/100 of the value \frac{1}{10}

Step-by-step explanation:

The value of 6 in 0.006 = \frac{1}{1000}

Also, the value of 6 in 0.6  = \frac{1}{10}

But, \frac{1}{1000} is not 1/10  of the value  \frac{1}{10}

as 1/10  of the value  \frac{1}{10}  =  \frac{1}{100}

Hence,Maya is NOT correct.

\frac{1}{1000} is  1/100 of the value \frac{1}{10}

8 0
3 years ago
Please answer number 4 please
ipn [44]

Answer:

x < -2.5

Step-by-step explanation:

N/A

8 0
2 years ago
Given the parent function f(x)=x^3 calculate f(-3) and f(3)
777dan777 [17]

Answer: f(-3) = -27 & f(3) = 27

Step-by-step explanation:

(-3)^3

-27

(3)^3

27

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3 years ago
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Answer:

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Step-by-step explanation:

\huge\mathcal{\fcolorbox{aqua}{azure}{\red{✿ʏᴏᴜʀ- ᴀɴsᴡᴇʀ ♡❖}}}

3 0
3 years ago
Read 2 more answers
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