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Tasya [4]
3 years ago
13

Use substitution to solve the system. 5x – 4y = 32 y = 2x – 11

Mathematics
2 answers:
tatyana61 [14]3 years ago
6 0
Hope this helped!!

Answer:

zhuklara [117]3 years ago
3 0

symbolab

Step-by-step explanation:

it's free it can help you a lot I promise

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PLEASE HELP FAST!!
Gnesinka [82]
Hello,
Please, see the attached file.
Thanks.

3 0
4 years ago
I need help on this problem
tankabanditka [31]

when we divide a fraction, we flip the denomonator and numerator and then multiply by the fraction. So flipped 1/3 become 3.By multiplying 8 by 3 gave the same answer as in the 1st problem.

The answers in both problems are the same because of the rule of the division of the fraction

7 0
3 years ago
Brad has eight more nickels than quarters. Altogether he has $6.10. how many of each does he have
wlad13 [49]

Brad have 19 quarters and 27 nickels.

Step-by-step explanation:

Given,

Total worth of nickels and quarters = $6.10 = 6.10*100 = 610 cents

One quarter = 25 cents

One nickel = 5 cents

Let,

x represent the number of quarters.

y represent the number of nickels.

According to given statement;

25x+5y=610     Eqn 1

y = x+8              Eqn 2

Putting value of y from Eqn 1 in Eqn 2

25x+5(x+8)=610\\25x+5x+40=610\\30x=610-40\\30x=570

Dividing both sides by 30

\frac{30x}{30}=\frac{570}{30}\\x=19

Putting x=19 in Eqn 2

y=19+8\\y=27

Brad have 19 quarters and 27 nickels.

Keywords: linear equation, subtraction

Learn more about subtraction at:

  • brainly.com/question/9369548
  • brainly.com/question/9328925

#LearnwithBrainly

7 0
3 years ago
Find the unknow side of the right triangle 2. b=73.6 cm b= 19.0
shusha [124]
Assumed 73.6cm is the hypotenuse.

a^{2} + b^{2} = c^{2}
19^{2} + b^{2} = 73.6^{2}
b^{2} = 73.6^{2} -19^{2}
b^{2} = 5055.96
b = 71.1

Assumed 73.6cm is not the hypotenuse.
a^{2} + b^{2} = c^{2}
19^{2} + 73.6^{2} = c^{2}
c^{2} = 73.6^{2} +19^{2}
c^{2} = 5777.96
c = 76.0


7 0
3 years ago
When was a shaduf in ancient egypt used?
Lisa [10]
Shadufs were used as a means of transporting water for irrigation in ancient Egypt. They were used on canals and rivers to bring water to where it was needed.
6 0
4 years ago
Read 2 more answers
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