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Ulleksa [173]
2 years ago
15

Which expression is equivalent to a + 4a + 8? 05a 13a a + 12 5a + 8

Mathematics
1 answer:
aleksandrvk [35]2 years ago
6 0

Answer:

5a +8

Step-by-step explanation:

a+4a=5a

5a+8

=5a+8

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Mr.ward and mr. heskey are racing toy cars and Mr. heskey wants to give mr. ward an 8 ft head start because his car is 2 seconds
DiKsa [7]

Answer:

  F.  6s > 4s +8

Step-by-step explanation:

From a reference point at the beginning of the track, Ward's car will be located 4s+8 feet down the track after s seconds. That is, it starts 8 feet down the track, and increases its distance by 4 feet every second.

From the same reference point, Heskey's car will be located 6s feet down the track after s seconds. Its distance starts from zero and is increasing at the rate of 6 feet every second.

For Heskey's distance to exceed Ward's distance you want ...

  6s > 4s +8 . . . . . . matches choice F

6 0
3 years ago
which of the following are the dimensins of a rectangle that has a perimeter of 148 and an area of 144
atroni [7]
The dimensions are 72x2
Because 72*2=144 & 72+72+2+2=148
Your'e Welcome!! 
Hopefully this is Brainliest worthy!!

8 0
3 years ago
How to show the work for x4-y4
Juli2301 [7.4K]
I think you can solve it by
=(x^2 - y^2) *( x^2 + y^2)
= (x -y)*(x+y)*(x^2 + y^2)
6 0
3 years ago
What is the solution to 3x+30+x=10+2x+5x+2?
solmaris [256]

Answer:

answer is x = 6

„„„„„„„„»»»»»»»»»»

I hope it helps you

:-))

4 0
3 years ago
Read 2 more answers
HELP!!!!! What is the length plz help me besties
Nesterboy [21]

Answer: 30 inches

Step-by-step explanation:

20/8 = x/12

20(12) = 8x

240 = 8x = 30

8 0
3 years ago
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