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Nikitich [7]
3 years ago
10

Tell whether the ordered pair (−1, 4) is a solution of the system. -2x-3y=-10 -3x+y=7

Mathematics
1 answer:
LuckyWell [14K]3 years ago
5 0

Answer:

-1

Step-by-step explanation:

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Write an algebraic rule to describe the translation C(5, –4)- ’(–2, 1).
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Georgia ran a 5-kilometer race. How many meters did she run?
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Georgia ran 5000 meters

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A loan of $8,000 is paid back in two years in monthly payments of $400. The percentage interest on the loan was
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D

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The number of months in two years is 24 months.

Now, with a repayment plan of $400 per month, the total amount returned will be 400 * 24 = $9,600

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Sylvie finds the solution to the system of equations by graphing.
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Answer:

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3 years ago
Ella has a part-time job selling cupcakes at a cart in the park. She is paid $25 for a shift plus a fee of $0.25 for each cupcak
mojhsa [17]

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Answer:

  A) t = 0.25c +25

  B) c = 52

  C) 3 weekday shifts

Step-by-step explanation:

A. The amount Ella earns is $0.25 per cupcake, so for c cupcakes, that is ...

  0.25c

In addition, she is paid $25, so her total amount she is paid is ...

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__

B. In order to earn $38, the number of cupcakes sold must be ...

  38 = 0.25c +25

  13 = 0.25c . . . . . . subtract 25

  52 = c . . . . . . . . . multiply by 4

Ella sold 52 cupcakes to earn $38.

__

C. On one of the average weekdays, Ella could be expected to earn ...

  t = 0.25(36) +25 = 34

Then for 3 weekday shifts, her earnings would be 3($34) = $102. (It would take Ella 3 weeks to earn $300.)

On one of the average weekend shifts, Ella could be expected to earn ...

  t = 0.25(62) +25 = 40.50

Then for 2 weekend shifts, her earnings would be 2($40.50) = $81. (It would take Ella 4 weekends to earn $300.)

Ella would earn $300 more quickly by working weekday shifts.

8 0
3 years ago
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