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Rzqust [24]
3 years ago
5

Use substitution to solve the system of equations.

Mathematics
1 answer:
Kamila [148]3 years ago
5 0

the answer should be C.x=-5,y=1

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1. What percent of 58 is 18?
malfutka [58]

In order to find the answer you will have too divide 58 by 18 and then divide what you get from that by 100 to get your answer.

100%/x%=58/18

(100/x)*x=(58/18)*x    

100=3.22222222222*x      

(3.22222222222) to get x

100/3.22222222222=x

x=31.0344827586

Therefore your answer is "31%."

Hope this helps.

8 0
3 years ago
PLEASE HELP ASAP!!! CORRECT ANSWERS ONLY PLEASE!!!
mariarad [96]

\frac{x^{2}+x-4}{x^{2}+3x+2}

Micah did not explain the last step correctly.  You cannot cross out a term from the numerator and denominator unless it is a factor.  In other words, x² needed to be multiplied and not added in order to cross it out.


5 0
2 years ago
Chad gets an annual salary of 25,000. He and his family spend 3500 per year on food. What percent of his salary is spent on food
Advocard [28]

Answer:

\frac{x}{100} x 25000 = 3500

x x 250 = 3500

x = 3500/250

x = 350/25

x = 14%

7 0
3 years ago
On sunday 1/16 of the people who visited for senior citizens, 3/16 or infants, 3/8 were children, and 3/8 for adults. How many o
Trava [24]
1/16=1,003, so

senior= 1003
infants=3009
children=6018
adults=6018
3 0
3 years ago
Read 2 more answers
Please help. Will be rewarded 20 points!
zalisa [80]

Answer:

$200

Step-by-step explanation:

2.5 % commission on sales

he sold 8000

his commission will be sales * 2.5%

commission = 8000 * .025

                     = 200

8 0
3 years ago
Read 2 more answers
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