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lara [203]
3 years ago
15

I need help asap :):):):

Mathematics
2 answers:
KiRa [710]3 years ago
6 0

Answer:

\frac{1}{2} k + 2.5 = 7

Step-by-step explanation:

\frac{1}{2} (k + 5) = 7 \\  \frac{1}{2} k + 2.5 = 7

Anestetic [448]3 years ago
6 0

Answer:

B

Step-by-step explanation:

1/2 times 5 is 2.5 and 1/2 times k is 1/2k

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Ghella [55]

Answer:

0.12 x (x + 3000) = 4200

equation for her salary last year : last year's salary = (4200 / 0.12) - 3000

$32,000

Step-by-step explanation:

Let x = last year's salary

this year's salary = 3000 + x

this equation can be used to determine how much she saved this year = 0.12 x (x + 3000) = 4200

to find last year's salary, make x the subject of the formula

4200 / 0.12 - 3000 = x

x = $32,000

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3 years ago
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Answer:

420 miles

Step-by-step explanation:

60 ×7=420

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