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Inessa05 [86]
3 years ago
8

PLEASE someone help me on this I would appreciate it.

Mathematics
1 answer:
Anton [14]3 years ago
3 0
2x-y =3
multiply by 4
8x - 4y = 12
3x +4y = 10 (unchanged equation)
------------------add
11x = 22

answer is A. the first.
first equation multiplied by 4 then sum to get 11x = 22

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Cos y = 8/16 and round your answer to the nearest tenth
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Step-by-step explanation:

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Answer:

<em>(A)  $18</em>

<em>(B)   y=2.50x+18</em>

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Step-by-step explanation:

(A)

The county fair charges $2.50 per ticket for the rides and Henry bought 15 tickets for the rides.

So, the total cost of the 15 tickets will be:  (\$2.50*15)= \$37.50

He spent total $55.50 on ride tickets and fair admission.

So, the cost of admission to the fair will be:  (\$55.50-\$37.50)= \$18

(B)

If x represents the number of ride tickets and y represents the total cost, then the cost for x number of ride tickets is \$2.50x

So, the linear equation that can be used to determine the cost for anyone who pays for ride tickets and fair admission will be:   y= 2.50x+18

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Step-by-step explanation:

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