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svetlana [45]
2 years ago
8

A student with two summer jobs earns $10 per hour at a cafe and $8 per hour at a market the student would like to earn at least

800 per month.
A. Write an inequality to represent the hours worked and amount earned
B. The student can work no more than 90 hours a month write an inequality to represent the hours worked for the two jobs.
C. Graph the inequalities.
D&e how many hours should the student work at the cafe and the market to reach their goal of 800 per month.

Hours at cafe
Hours at market
Mathematics
1 answer:
JulsSmile [24]2 years ago
7 0

Answer: the answer is 432 per day so in 2 days she/he will have just enough

Step-by-step explanation:

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Step-by-step explanation:

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You get tired of the sand and head up to the amusement park. You can purchase 20 ride tickets for $14 or you can purchase 30 rid
Helga [31]

Answer:

The one with the better deal would be 30 ride tickets for $22.50 this is because you pay less money for more rides.

Step-by-step explanation:

First you divide 20 by 14. Doing this will give you the cost of a ride per ticket.

20/14 = 1.42

Then you do the same thing to 30 and 22.50.

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Last you compare which deal has less money per ride.

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5 0
3 years ago
The electrical charge on a metal plate is given
Katarina [22]

Answer:

after 10 seconds  the charge  is 1.624

Step-by-step explanation:

I think your question missed key information, allow me to add in and hope it will fit the orginal one.

The electrical charge on a metal plate is given  by the function below, where t is the time in  seconds. What is the charge after 10 seconds?

C (t) = 12e^{\frac{-t}{5} }

My answer:

Given the information:

C (t) = 12e^{\frac{-t}{5} }  

when t =10 we have:

C (10) = 12e^{\frac{-10}{5} }

<=>  C (10) = 12e^{-2}

<=>  C (10) = 12\frac{1}{e^{2} }

<=> C (10) = 12 * 0.1353

<=>  C (10) = 1.624

Hence, after 10 seconds  the charge  is 1.624

8 0
3 years ago
Solve for x.<br> 8(x + 1) - 3(x + 4) = 7(2 - x)<br> Ox=11<br> Ox=-11<br> Ox= -1 1 /<br> Ox=11/
inna [77]

Answer:

1.5

Step-by-step explanation:

8(x + 1) - 3(x + 4) = 7(2 - x) \\ 8 x + 8 - 3x - 12 = 14 - 7x \\ 8x - 3x + 7x = 14 - 8 + 12 \\ 12x = 18 \\ x =  \frac{18}{12} \\ x =  \frac{3}{2}  \\  x = 1.5

3 0
3 years ago
Read 2 more answers
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