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aleksandr82 [10.1K]
3 years ago
6

Help on a,b, and d please!

Mathematics
1 answer:
Umnica [9.8K]3 years ago
3 0
That's too much. you should just put it separate. most won't want to answer.
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List the steps used to solve the equation below.
pychu [463]

Answer:

- 1

Step-by-step explanation:

2x + 3 = x - 4

2x - x = - 4 + 3

x = - 1

The solution to the above equation is - 1.

4 0
3 years ago
A car trip from New York to Cincinnati took 12.5 hours. The return trip by the same route took 1 hour longer because the average
zhenek [66]

A car trip from New York to Cincinnati took 12.5 hours. The return trip by the same route took 1 hour longer.

Let x be the speed of the car

Car trip from New York to Cincinnati

We know Distance D = speed * time

time = 12.5 hours and speed =x

D = 12.5x

Return trip

The return trip by the same route took 1 hour longer. So 12.5+1 = 13.5 hours

he average rate of speed was 4 mph less. So speed is x-4

Distance D = speed * time

time = 13.5 hours and speed =x-4

D = (x-4)*13.5

D= 13.5x-54

The distance of ongoing trip and return trip are same

So we equate both the distance equations D= 13.5x-54  and D= 12.5x

12.5x = 13.5x-54    

Subtract  13.5 on both sides

-1x = -54

x=54

speed of ongoing trip = 54 miles per hour

Distance D = 12.5x = 12.5 * 54=675 miles

The length of the route = 675 miles



4 0
3 years ago
Given a dilation around the origin, what is the scale factor K?<br><br> D o, K = (2,4) → (3,6)
fenix001 [56]

Answer: 3/2

Step-by-step explanation:

5 0
3 years ago
Ryan has 3/4 of tank of gas in his car. it takes 1/6 of a tank of gas to drive to socccer practice and back home. with the gas i
marishachu [46]
I don’t know if this is correct but about 4 times because

3/4 -> 18/24 and 1/6 -> 4/24
7 0
3 years ago
What's 17⁄12 as a mixed number? <br><br> A. 1 5⁄12<br> B. 1 12⁄7<br> C. 1 7⁄12<br> D. 7 1⁄2
Tju [1.3M]

Answer:

A

Step-by-step explanation:

17 / 12

(12 + 5) / 12

12/12 + 5/12

1 5/12

8 0
3 years ago
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