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zhenek [66]
2 years ago
12

You can work a total of no more than 10 hours each week at your two jobs. Housecleaning pays $7.50 per hour that you clean and y

our retail job pays $10.00 an hour. You need to earn at least $56 each week to pay your bills. Write a system of inequalities that shows the various numbers of hours that you can work at each job and still pay your bills.

Mathematics
1 answer:
kotykmax [81]2 years ago
6 0

Answer:

c + r \leq 10

7.5c + 10r \geq 56

Step-by-step explanation:

Given

Hours = not more than 10

Earnings = At least 56

Required

Represent this as a system of inequalities

Let c represents the cleaning job

Let r represents the retail job

The number of hours

Not more than means \leq 10

So:

c + r \leq 10

Earnings

c = 7.50 per hour

r = 10 per hour

Earnings = At least 56

At least 56 means \geq 56

So;

7.5c + 10r \geq 56

Hence, the system is:

c + r \leq 10

7.5c + 10r \geq 56

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MissTica

Answer:

605 boys

Step-by-step explanation:

If the ratio of boys to girls is 5:7

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we can plug this value into the ratio by doing something like:

5:7

= 5/7

= x/847

Because the ratio has to be the same, we can substitute x for the number of boys and solve by the cross method or whatever you guys call it.

5            x

---   x    ------

7          847

The x in the middle is just to show the direction you are multiplying.

the 5 is multiplied by the 847 and the 7 is multiplied by x.

847 * 5 = 4,235

4,235  divided by 7 is 605

605 is your answer.

The cross method can be used in most situations.

* is used to represent multiplication btw

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Step-by-step explanation:

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Step-by-step explanation:

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marshall27 [118]

Answer:

A.

Step-by-step explanation:

To find the inverse of a function, first make f(x) a y

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A T-shirt shop charges $15 for an adult shirt and $12 for a youth shirt. The total charge for a shirt order was $489. Which equa
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Answer:

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Step-by-step explanation:

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