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fomenos
3 years ago
12

I need help!! thnaks

Mathematics
1 answer:
liraira [26]3 years ago
3 0

Answer:

7a + 2b

Step-by-step explanation:

Given

4a + 3b + 3a - b ← collect like terms

4a + 3a + 3b - b

= 7a + 2b

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Need help to find the unit rate
Elodia [21]
2 miles: 1/2 hour
? mile: 1 hour
(2÷1/2)mi/h or B is your final answer. Hope it help!
5 0
3 years ago
What does h equal? <br> 36=4(h+2)
tekilochka [14]

Answer:

h=7

Step-by-step explanation:

Distribute the 4 on the right side

36=4(h+2)

36=4h+8

Subtract 8 on both sides

28=4h

Divide by 4 on both sides

h=7

Hope this helps! :)

7 0
3 years ago
Read 2 more answers
On his drive from Montpelier, Vermont, to Columbia, South Carolina, Arthur averaged 51 mph. If he had been able to average 60 mp
Llana [10]

Answer:

Distance between Montpelier and Columbia is 1020

Step-by-step explanation:

51 mi/hr average:

d = 51 t  

60 mi/hr average:

d t = 60*(t-3)

Substitute (1) into (2)  

   51 t =  60*(t-3)

   51 t =  60 t + 180

   9 t  =  180

   t    =   20

d = 51 t

   = 51 (20)

   = 1020

let see distance is 1020 lets check

51 t = 60 * (t-3)

51 (20)= 60* (20-3)

1020   = 60*17

1020 = 1020

4 0
3 years ago
I will give brainliest please hurry
Eduardwww [97]

Answer:

B)

Step-by-step explanation:

300, since the line inside the box is on 300

Hope that helps!

6 0
3 years ago
Read 2 more answers
PLZ make me a favor of answering this. I tried it just that I don´t get it
Anni [7]

Answer:

1 is 8

2 is 42

3 is 4

4 is 64

5 is 6

6 is 6

7 is 8

8 is 2

9 is 10

10 is 9

I don't know about 11 or 12 but here is 1-10

7 0
3 years ago
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