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True [87]
3 years ago
11

Marcus spent 10 hours doing his homework last week. This week he spent 11 hours doing homework. He says that he spent 110% more

time doing homework this week. Is he correct? Show your work to justify your decision.
Mathematics
1 answer:
8_murik_8 [283]3 years ago
3 0
No he did not spend 110% more time doing homework if he did it would be 12hrs to find this put 11 in its decimal form and multiply it by 110 =12.1 
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Which expression is equivalent to the following complex fraction? StartFraction 1 Over x EndFraction minus StartFraction 1 Over
Darina [25.2K]

Answer:

\frac{y-x}{x+y}

Step-by-step explanation:

We are given that fraction

\frac{\frac{1}{x}-\frac{1}{y}}{\frac{1}{x}+\frac{1}{y}}

We have to find the expression which is equivalent to given  fraction .

\frac{1}{x}-\frac{1}{y}=\frac{y-x}{xy}

\frac{1}{x}+\frac{1}{y}=\frac{x+y}{xy}

Substitute the values  then, we get

\frac{\frac{y-x}{xy}}{\frac{y+x}{xy}}

We know that

\frac{\frac{a}{b}}{\frac{x}{y}}=\frac{a}{b}\times \frac{y}{x}

Using the property then, we get

\frac{y-x}{xy}\times \frac{xy}{x+y}

\frac{y-x}{x+y}

This is required expression which is equivalent to given expression.

6 0
3 years ago
Read 2 more answers
Please help meee! thanks​
Vladimir [108]

Answer:

C. -2 and -1

Step-by-step explanation:

-1.5 is bigger than -2 but smaller than -1.

Thus, it is between these two number

4 0
3 years ago
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Needs to be over P_4(C), I know how to do over P_4(R).
nasty-shy [4]

Answer:

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Step-by-step explanation:

7 0
2 years ago
the temperature of an oven went through 330 degrees to 390 degrees what is the percentage increase in temperature
valentina_108 [34]
All you do is divide. 
330/390= 0.846
round it: 0.85 
Answer is about 85%
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Each situation described bellow requires inference about a mean or means. Identify each as involving (1) a single sample, (2) ma
motikmotik

Answer:

1) matched samples

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8 0
3 years ago
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