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Over [174]
3 years ago
12

245ab/385a^2b^3 (you have to simplify it)please helppp -w-

Mathematics
2 answers:
salantis [7]3 years ago
7 0

Answer: 7a^3b^4/11

Step-by-step explanation: Have a brilliant day! -Lily ^-^

dexar [7]3 years ago
3 0

the answer is, 7/11  a^3 b^4

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−3.5=x4 please help me
Studentka2010 [4]
The answer is -0.875
3 0
3 years ago
A school principal wants to find out if his school needs more bike racks. a survey is taken of 30 students who ride their bikes
Sergio039 [100]
Hello there.

Question: <span>A school principal wants to find out if his school needs more bike racks. a survey is taken of 30 students who ride their bikes to school. why might the sample be biased?

Answer: It might be biased as the survey was only taken of students who ride their bikes to school. It is most likely that they would agree to it. To make it fair they survey should have been taken of a variety of different students.

Hope This Helps You!
Good Luck Studying ^-^</span>
7 0
3 years ago
Allison earns $14 an hour plus $20 an hour for every hour of overtime. Overtime hours are any hours more than 35 hours for the w
Ronch [10]

<u>Part a)</u> Create an equation that shows the amount of money earned, E, for working x hours in a week when there is no overtime

Let

E-------> the amount of money earned

x------> number of hours worked

we know that

For x\leq35

E=14x

therefore

<u>the answer part a) is</u>

E=14x

<u>Part b) </u>Create an equation that shows the amount of wages earned, T, for working y hours of overtime

Let

T-------> the amount of money earned

y------> number of hours of overtime

we know that

T=14*35+20y

T=\$490+20y

therefore

<u>the answer part b) is</u>

T=\$490+20y

<u>Part c)</u> Allison earned $610 in 1 week. How many hours (regular plus overtime) did she work?

we know that

35\ hours=\$490

\$610-\$490=\$120

Divide \$120 by  \$20----> to obtain the hours of overtime

\frac{120}{20}=6\ hours\ of\ overtime

So

Allison works

35+6=41\ hours

Regular=35\ hours\\ Overtime=6\ hours

therefore

<u>the answer part c) is</u>

Regular=35\ hours\\ Overtime=6\ hours

4 0
3 years ago
Gwen has already read 130 pages of her 400-page summer reading book. If she reads at an average rate of 45 pages per hour, how l
stealth61 [152]
It should take Gwen 6 hours for her to finish her book.
6 0
3 years ago
Read 2 more answers
What's the numerator for the following rational expression?<br>2/f + 5/f = ?/f
Virty [35]
We have 2/f + 5/f = (2+5)/f = 7/f;
3 0
4 years ago
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