3 years ago

Please refer to the pictures below

Mathematics

1 answer:

IRINA_888 [86]3 years ago

3 0

Answer:

8-2

Step-by-step explanation:

System of inequalities are

x + y ≥ 7

8x + 7y ≤ 82

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Look at the following numbers:<br> -4, -1,0,4<br> Which pair of numbers has a sum of 0?

solmaris [256]

Answer:

-4 + 4

Step-by-step explanation:

because when you add a negative number with a positive number the sum will always equal 0

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3 years ago

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3 years ago

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Arte-miy333 [17]

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3 years ago

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zalisa [80]

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3 years ago

Hector spent $41.75 for 2 DVDs that cost the same amount. The sales tax on his purchase was $3.15. Hector also used a coupon for

kykrilka [37]

Given:

Amount spent on 2 DVDs = $41.75

Sales tax = $3.15

Coupon = $1.00 off

To find:

The cost of each DVD.

Solution:

Let x be the cost of each DVD.

Then, cost of two DVDs = 2x

Amount spent of 2 DVDs = Cost of 2 DVDs + Sales tax - Coupon discount

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$41.75=2x+2.15$

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Divide both sides by 2.

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Therefore, the cost of each DVD is $19.8.

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3 years ago