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Ede4ka [16]
3 years ago
11

Please help me with this

Mathematics
1 answer:
kompoz [17]3 years ago
4 0
I NRRS HEPPP
SYEO VY STEO EXLAJ
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Please Help!!!
Mkey [24]
The equation looks like this:

26=x*3.5+8.50

where x is the number of pen you bought.

We solve it like this:
first, we subtract 8.50 from both sides:

17.50 =3.5*x

now we divide both sides by 3.5:
5=x

so you purchased 5 pens.

3 0
3 years ago
Jeffery babysits for 4 dollars per hour, he also works as a math tutor for 7 dollars per hour. He is only allowed to work 13 hou
Oksana_A [137]

Given:

Jeffery babysits for 4 dollars per hour and works as a math tutor for 7 dollars per hour.

He is only allowed to work 13 hours total per week.

He wants to make at least 65 dollars.

To find:

The system of inequalities to represent this situation.

Solution:

Let x be the number of hours he babysits per week and y be the number of hours h works as a math tutor.

He is only allowed to work 13 hours total per week.  It means sum of x and y must be less than or equal to 13.

x+y\leq 13

He wants to make at least 65 dollars. It means total earnings must be greater than or equal to 65.

4x+7y\geq 65

Number of hours can not be negative.

x\geq 0, y\geq 0.

Therefore, the required system of inequalities contains some equations,  x+y\leq 13,4x+7y\geq 65 and x, y\geq 0.

4 0
3 years ago
A class is collecting quarters for a charity drive. After 3 weeks, they have collected 120 quarters. After another week, the tot
Ugo [173]
210-120=90. The answer is 90 quarters.
5 0
3 years ago
Find a synchronous solution of the form Acos(5t) + Bsin(5t) to the given forced oscillator equation using the method of insertio
mars1129 [50]

Answer:

<u><em>Good luck! </em></u>

<u><em></em></u>

0..

4 0
2 years ago
Is this all correct? first one to answer is brainliest! thx (:
Afina-wow [57]
The first one is correct and the others I can't really see the picture is blurry
3 0
3 years ago
Read 2 more answers
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