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FinnZ [79.3K]
3 years ago
6

a plumber charges a service call fee of $25 plus $40 for each hour she works. which variable is the independent variable?

Mathematics
2 answers:
liq [111]3 years ago
8 0
The independent variable is 25 (the service fee) as it doesn't depend on another thing. The $40 an hr is dependent because it depends on how many hrs the plumber works.
Viktor [21]3 years ago
4 0
I think I'd be the $40 she charges every hour she works. If this is multiple choice mind drop-in the options
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How do i solve this step by step
AlladinOne [14]

Answer:

4) x^10

Step-by-step explanation:

1) If two numbers have the same base (i.e. x^3 and x^4) and you are multiplying them you just add the exponents. Therefore x^3*x^4 would be x^(3+4) which equals x^7.

2) When dividing similar bases you have to subtract the exponents. If we have x^18÷x^8 that is equivalent to x^(18-8) which gives us x^10.

3) If we have (x^3)^3 we will need to multiply the exponents. Therefore (x^3)^3 is equivalent to x^(3*3) which gives us x^9.

4) (x^2*x^4)^4÷x^8

First do what's in the parentheses,

(x^2*x^4) = x^6

Next do the exponents,

(x^6)^3 = x^18

Lastly the division,

x^18÷x^8 = x^10

x^10 is our answer.

4 0
4 years ago
60000x3+4 pls help fast
Ilya [14]
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5 0
3 years ago
What is the probability that the first card is a kingking and the second card is a kingking if the sampling is done with​ replac
IRINA_888 [86]
You want to draw 2 kings from a 52 card deck. And you do it with replacement.
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4 years ago
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Answer:

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subtract 24x from each side

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subtract 4 from each side

0=23x

divide each side by 23

x=0

now, plug in 0 to one equation.

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7 0
3 years ago
A line segment that joins two verticles of a polygon is a _______?
Pani-rosa [81]
I believe the answer is a diagonal 
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4 years ago
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