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Serjik [45]
3 years ago
6

HELP PLEASE

Mathematics
1 answer:
gladu [14]3 years ago
3 0

Answer:

Carmen bought 5 pounds of coffee

Step-by-step explanation:

The cost of buying coffee is $8.44 per pound. Let us assume she bought x pound of coffee, this means that she spent $8.44x on coffee.

She went to the coffee store with $80 gift card and left with $37.80, this means that after spending $8.44x from the initial $80, she had $37.80. To find the number of pounds she bought, we are to use the following equation:

80 - 8.44x = 37.80

8.44x = 80 - 37.80

8.44x = 42.2

x = 42.2/ 8.44 = 5

x = 5 pounds.

Carmen bought 5 pounds of coffee

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for which of the following would it be appropriate to use positive integers for the domain of the function? select all that appl
Novosadov [1.4K]
Domain is the x-values. 

Scenarios where positive integers are appropriately used for the domain of the function:

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7 0
4 years ago
Read 2 more answers
- 8y + 9x = -5<br> 8y + 7x = -75
IRINA_888 [86]

Answer:

x = -5 , y = -5

Step-by-step explanation:

- 8y + 9x = -5

8y + 7x = -75

__________

0 + 16x = - 80

x = -80 / 16

x = -5

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-8y + 9(-5) = -5

-8y - 45 = -5

-8y = -5 + 45

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hope it helps!

8 0
3 years ago
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irina1246 [14]

Answer:

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Step-by-step explanation:

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260 = 52 · x

x = 5

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alexandr402 [8]
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svetlana [45]

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