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KengaRu [80]
3 years ago
15

Rosa and her friends are eating out for dinner.

Mathematics
1 answer:
Nadya [2.5K]3 years ago
4 0

Answer:$9.16

Step-by-step explanation:

What I did was 20% of $45.80!  If you have a tip or a percent problem you can think of it as that percent of the certain number.  In math "of" means mupltiply.

Punch in your calculator .2 which is 20% times 45.8 and you get your answer $9.16.  

Hope this helps bwo

 

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Solve for y in the following equation.
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Answer:

y = \frac{z^2 - x}{2}

Step-by-step explanation:

Given:

\sqrt{x + 2y} = z

Required:

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\sqrt{x + 2y} = z

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Step-by-step explanation:

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Answer:

Attachment

Step-by-step explanation:

x = 0

y = | 0 + 4 | - 1

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x + 4 = 1 => x₁ = 1 - 4 => x₁ =  - 3

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