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photoshop1234 [79]
3 years ago
5

Nine fewer than half a number is five more than four times the number. Define a variable, write an equation, solve the number.

Mathematics
1 answer:
zmey [24]3 years ago
5 0
N = the number

\frac{1}{2}n - 9=4n+5 \\ ( \frac{1}{2}n  -  \frac{1}{2}n)-9=(4n- \frac{1}{2}n)+5 \\ -9=3.5n+5 \\ (-9-5)=3.5n+(5-5) \\ -14=3.5n \\  \frac{-14}{3.5} =  \frac{3.5n}{3.5} \\ -4=n

The number is -4
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Arlecino [84]
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2 years ago
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antiseptic1488 [7]

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Pleaseee Help me 20 pts
Simora [160]

Answer:

Tax is  C 4.12

Tip is  E 15.00

total =94.10

Step-by-step explanation:

Tax = bill * tax rate

      = 74.98 * 5.5%

      = 74.98 * .055

      = 4.1239

To the nearest cent = 4.12

Tip = bill * tip rate

      = 74.98 * 20%

       = 74.98 *.2

       = 14.996

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The total bill is

Final = bill + tax+ tip

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       = 94.10

7 0
2 years ago
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Andre45 [30]

Answer:

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Step-by-step explanation:

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8 0
3 years ago
How you know a fraction is less than 1/2
nikitadnepr [17]

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3 years ago
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