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ollegr [7]
2 years ago
14

Match this system of linear equations to the correct description of its solution set.

Mathematics
1 answer:
Misha Larkins [42]2 years ago
8 0

Answer:

Infinite number of solutions.

Step-by-step explanation:

Are the equations written correctly?  They are identical.  Since they overlap, every point is a solution for as long as the lines reach.  Since no one is stopping them, the answers are infinite.

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Neil drives at an average speed of 60 miles/hour to reach
nikklg [1K]

Answer:

 480/(x+60) ≤ 7

Step-by-step explanation:

We can use the relations ...

 time = distance/speed

 distance = speed×time

 speed = distance/time

to write the required inequality any of several ways.

Since the problem is posed in terms of time (7 hours) and an increase in speed (x), we can write the time inequality as ...

 480/(60+x) ≤ 7

Multiplying this by the denominator gives us a distance inequality:

 7(60+x) ≥ 480 . . . . . . at his desired speed, Neil will go no less than 480 miles in 7 hours

Or, we can write an inequality for the increase in speed directly:

 480/7 -60 ≤ x . . . . . . x is at least the difference between the speed of 480 miles in 7 hours and the speed of 60 miles per hour

___

Any of the above inequalities will give the desired value of x.

8 0
3 years ago
8x18÷4+15 use pemdas right answers only​
Gemiola [76]

Answer:

51

Step-by-step explanation:

Parenthesis

Exponents

Multiplication

Division

Addition

Subtraction

Multiplication first, then division, and then addition.

(8*18)÷4+15 (Multiplication)

(144÷4)+15 (Division)

(36) + 15 (Addition)

   51

Hope that helps!

7 0
2 years ago
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Esther is participating in a walk-a-thon. She will raise 5 dollars for her charity for each lap she walks.
EastWind [94]

Answer:

answer d

Step-by-step explanation:

I took the assignment and got it right :)

6 0
2 years ago
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If i was o dived 3 by 2 what woud it be
Karolina [17]

Answer:

it would be zero

Step-by-step explanation:

5 0
3 years ago
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The Answer is:

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