2 years ago

.Hermes gets $4 an hour for babysitting. He needs to eam at least $100 for a stereo. Write and solve

Mathematics

2 answers:

FinnZ [79.3K]2 years ago

7 0

Answer: 25 Hours

Step-by-step explanation: Multiply 4 until you get 100 and that value is your answer.

igomit [66]2 years ago

4 0

25 Hrs

100 divided by 4 is equal to 25
Or
25 multiplied to 4 is equal to a hundred

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labwork [276]

Domain is the numbers you can use
range is the result of inputing the domain

an interesting fact is that the inverse of a function switches the domain and range

basically
the domain of f(x) becomes the range of f^-1(x)
the range of f(x) becomes the domain of f^-1(x)
so just find the domain and range of f(x)

$f(x)=3x- \frac{1}{2}$
there are no restrictions
all real numbers can be used
all real numbers can result

so the answer is domain and range for both is all real numbers

D is answer

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2 years ago

Kelso sold digital cameras on her website. She bought the cameras for $65 each and included 60% markup to get the selling price.

Butoxors [25]

Find 60% of 65 then add it to 65

0.6 x 65 = 39

now add it to 65:

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Answer:

c) 14/5 = 2.8 each (better value)

Step-by-step explanation:

a) 9/3 = 3 each

b) 28/7 = 4 each

c) 14/5 = 2.8 each (better value)

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2 years ago

What is m3 + 9n when m = 4 and n = 5

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I believe the answer is 57

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