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klemol [59]
2 years ago
7

Simplify the following expressions: 1/3(6a+12)+3a

Mathematics
2 answers:
Maru [420]2 years ago
3 0
Answer in simplified expression: 5a+4
SSSSS [86.1K]2 years ago
3 0

The simplified answer is 5a + 4

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Last week, Lindsay earned $10 per hour plus a $60 bonus for good job performance. She spends StartFraction 1 Over 15 EndFraction
V125BC [204]

Answer:

StartFraction 1 Over 15 EndFraction left-parenthesis 10 h plus 60 right-parenthesis equals StartFraction 1 Over 10 Endfraction left-parenthesis 10 h right-parenthesis

Step-by-step explanation:

The desired equation equates 1/15 of the amount Lindsay earned with 1/10 the amount without the bonus:

StartFraction 1 Over 15 EndFraction left-parenthesis 10 h plus 60 right-parenthesis equals StartFraction 1 Over 10 Endfraction left-parenthesis 10 h right-parenthesis

_____

<em>Comment on the form of the answer</em>

If you don't like answers in this form, please do not post questions in this form. Ordinary math symbols are much appreciated.

6 0
2 years ago
Read 2 more answers
Suppose that a person with a push mower can mow a large lawn in 5 ​hours, whereas the lawn can be mowed with a riding lawn mower
Reil [10]
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Push Mower
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It takes 5 hours to complete the job
1 hour = 1/5 of the job

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Riding Lawn Mower
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It takes 3 hours to complete the job
1 hour = 1/3 of the job

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Push Mower + Riding Lawn Mower
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1 hour = 1/5 + 1/3 
1 hour = 3/15 + 5/15 
1 hour = 8/15 of the job.

------------------------------------------------------------------
Calculate time needed to complete
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8/15 of the job takes 1 hour
8/15 of the job = 1 hour 

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Divide by 8/15 on both side
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8/15 ÷ 8/15 of the job = 1 ÷ 8/15 hour
Whole of the job = 1 x 15/8 hours
Whole of the job = 15/8 hours
Whole of the job = 1 7/8 hours

------------------------------------------------------------------
Answer: 1 7/8 hours
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6 0
2 years ago
Monique made several batches of soup for a potluck supper. Each batch required Three-fourths of a pound of potatoes, and she use
mr Goodwill [35]

Answer:

its 8 2/3

Step-by-step explanation: I got it right on edg

4 0
2 years ago
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Which of the following is an example of a null hypothesis? A. The average quantity of detergent put into a box by this filling m
gavmur [86]

Answer:

C

Step-by-step explanation:

Null hypothesis: hypthesis to test that there is no significant difference between the specific characteristic of a population. Analysts look to reject a null hypothesis

A. the shipping company's average delivery time is different from 3 days. This is an example of alternative hypothesis. Null hypothesis is writtien as a claim

B. This again is an example of alternate hypthesis. The claim that mean is 0.03 is rejected with the results

C. This is a claim

D. This is rejection of a claim that mean is 1 pound

E. This is rejection of claim that average delivery time is 3 days.

5 0
2 years ago
A man spent 15/16 of his entire fortune in buying a car $7500. How much money did he possess?
Anvisha [2.4K]
X=his fortune
15/16X=7500
X=7500 x 16/15
X=8000
3 0
2 years ago
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