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Goshia [24]
2 years ago
15

You are saving for a new laptop that cost $499. You work two jobs: cleaning your grandparents' house for $15 an hour and mowing

lawns for $10 an hour. Write an inequality for how much you must earn cleaning (c) and mowing (m) in order to earn at least $499.
May I have help please.
Mathematics
2 answers:
Gekata [30.6K]2 years ago
4 0
15c+10m is greater then or equal to 499
xxMikexx [17]2 years ago
3 0

Answer:

15x + 10x less than it equal to 499

Step-by-step explanation:

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.0066% converted to decimal is:
Neporo4naja [7]

Answer:

Step-by-step explanation:kk

.0066%

To convert Decimal to fraction you first remove the % sign and divide by 100

.0066

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3 years ago
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It took a submarine 30 seconds to sink 225 feet, moving at a constant speed. The captain wants to know the submarine's speed.
Vladimir [108]

Answer:

Speed per second= 7.5 feet per second

Step-by-step explanation:

Giving the following information:

We have a distance (225 feet), and a time (30 seconds). Also, we know that the speed was constant.

<u>All we have to do is divide the distance by the time and determine the speed per second:</u>

Speed per second= distance / time

Speed per second= 225 / 30

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3 years ago
Which function is the inverse of function 1?<br> f(x) = 9.12 - 12
mojhsa [17]
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2 years ago
Can someone please help me with these questions
MatroZZZ [7]
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3 years ago
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A sales person is paid a weekly salary of $760, plus a commission of 7.5% of all her sales for the week. Express her weekly inco
Elis [28]

Answer:

1. We can see that salesperson's weekly income is the sum of her constant weekly salary ($760) and a commission which is variable and depends on her weekly sales.

So, if we say that y is her weekly income and x is her weekly sales, we can write this as:

y = 760 + 0.075x

Note that we had to change percentage to decimal number dividing it by 100.

2  Since for each value of x there is only one corresponding value of y, we can say that this is a function. For any value of x we input there is only one solution we get - that is the main feature of function and a way to tell if something is really a function.

Since this is a function, it can also be written as:

f(x) = 760 + 0.075x

3. Domain of a function is, basically, set of all values of x for which the function can work. That practically means that, since x is weekly sale, it can not be negative (one cannot make -$500 sale, for example). However, it is possible that she doesn't make a sale one week, making it possible for x to be 0. Also, the value of her sales doesn't have to be integer (it is quite possible that she makes $673.50 sale).

All this means that appropriate domain for this function are positive real numbers including 0.

6 0
3 years ago
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