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vampirchik [111]
3 years ago
6

Solve. -13-8a-4a=-3

Mathematics
2 answers:
bezimeni [28]3 years ago
8 0

-13-8a-4a=-3+13

-8a-4a=10

-12a=10

10/-12=a

a= -0.83

vredina [299]3 years ago
6 0

Answer:

A = -0.83  or  a = -5/6

Step-by-step explanation:

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D:k-9\geq 0 \wedge k\geq0\\
D:k\geq 9 \wedge k\geq0\\
D:k\geq 9\\
\sqrt{k-9}-\sqrt k=-1\\
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k-9=(-1+\sqrt k)^2\\
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3 years ago
Celine ate brunch at a restaurant. The bill came to $72.80. If she left a 15% tip, what was the total cost of her brunch?
DedPeter [7]

Answer:

<em>$83.69</em>

Step-by-step explanation:

Given the following

Initial Cost of the brunch = $72.80

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Total cost of brunch =  $72.80 + $10.89

Total cost of brunch = $83.69

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3 years ago
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mamaluj [8]

Answer:

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Step-by-step explanation:

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Nikolay [14]

Answer:

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Step-by-step explanation:

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