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tekilochka [14]
4 years ago
7

sunita is given $60 for her birthday. she spends $47 on computer games. what percentage of her birthday money has she got left

Mathematics
1 answer:
jolli1 [7]4 years ago
7 0

Answer:

28.2

Step-by-step explanation:

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A printing company uses the formula C = 0.5x + 10 to find the cost of printing x business cards.
wlad13 [49]
C = 0.5x + 10

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Switch side :
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0.5x + 10 = c

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Take away 10 from both sides :
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0.5x = c - 10

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Multiply by 2 through :
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x = 2c - 20

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Answer : x = 2c - 20 (Answer A)
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3 years ago
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3 years ago
Twice the difference of a number and three is negative two. Find the number
lianna [129]
<h3>Answer:</h3>

x=2

<h3>Explanation:</h3>

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8 0
3 years ago
A parking lot that is 3 feet longer than it is wide has an area of 550 square feet. How many feet long is the parking lot?
vova2212 [387]
Let W=width of parking lot,
then Length = W+3
Total area = W(W+3)=550
Exapand and express in standard quadratic form
W^2+3x-550=0
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Therefore W=22 or W=-25, reject negative root, so
Width = 22'
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Check: (area = 22' * 25'=550 sq. ft, ok)
7 0
3 years ago
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