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olchik [2.2K]
3 years ago
8

Which expression is equivalent to 8+18a−2+6a? A.24a+6 B.24a + 10 C.8(1+2a)−(2+6a) D.30a

Mathematics
1 answer:
lakkis [162]3 years ago
4 0
Hey there!

8 + 18a - 2 + 6a

Combine Like terms: 18a, 6a, \\ \\ 8,2

So, (18a + 6a) = 24a \\ \\ 8+ (-2) = 6

Answer: 24a + 6 would be equivalent to: 8 + 18a - 2 + 6a

Good luck on your assignment and enjoy your day! 

~LoveYourselfFirst:)
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A carpenter worked 34 hours a week for half a year. If her hourly wage was $20, how much did she earn during this time period?
Mrrafil [7]
Keep in mind units and it will make sense
20(34)(4*6) = ?
4 0
3 years ago
If BC = 7 and CD = 24, find AC.
vodomira [7]

Answer:

  2√42 ≈ 12.961

Step-by-step explanation:

All of the right triangles are similar, so ...

  short leg/long leg = BC/AC = AC/CD

  AC² = BC·CD = 7·24 = 168

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3 0
3 years ago
Myra saved $15 a month for 18 months. She bought a book for $46.50 and a tennis racquet for $129.95. How much does she have left
Elis [28]

Answer:

A

Step-by-step explanation:

15*18=270.

270-46.50=223.5

223.5-129.95=93.55.

A. $93.55

7 0
3 years ago
Mrs. Lane took a survey of the types of pants her students were wearing. She collected the data at the right. What percent of he
Nadya [2.5K]

Answer:

It is always important to go through the given problem first to get a concept of the requiremement. Then all the information's available from the question has to be noted down in such a manner that there would be no need to look at the question while solving.

Total number of students wearing jeans = 10

Total number of students wearing shorts = 9

Total number of students wearing capris = 2

Then the total number of students surveyed by Mrs Lane = (10 + 9 + 2)

                                                                                           = 21

Now percentage of students wearing shorts = (9/21) * 100

                                                                      = (3/7) * 100

                                                                      = 300/7

                                                                      = 42.85 percent

So a total percentage of 42.85% of the students were wearing shorts.

Step-by-step explanation:

6 0
3 years ago
Helpppp plssss!!!<br><br>Appreciate you!!
Mice21 [21]
I think it's D. (sorry if i'm wrong)
8 0
3 years ago
Read 2 more answers
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