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Arada [10]
3 years ago
5

A line is represented by the equation y - x + 1. What is the slope of the line with that equation. (Please just

Mathematics
2 answers:
elixir [45]3 years ago
5 0
Um assuming the random stuff below are the available answers, it would have to be 1 because it's the only number, but the equation is incomplete, you need an equal sign, unless it was suppose to be y=x+1 which would also mean it's 1
laila [671]3 years ago
4 0
The slope of the line is 1.
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An equation is modeled. What value of x makes the equation true? Explain.
nirvana33 [79]

Answer:

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3 years ago
A’s DJ service charges a $200 setup fee and $75 an hour after that.
Bogdan [553]

The total cost includes the setup cost + per hour cost.

Let, x represents the time and y represents the total cost.

y=200+75x .... (1)

Let Y represent the cost for B's DJ service.

y=125x .... (2)

a. Graphing both the equations give the intersection point (solution) as (4,500)

It means for 4 hours, the total cost of both the DJ's is same at $500.

b. Substitution Method.

Plug y = 125x in equation (1)

125x= 200+75x

125x-75x=200

50x=200

x=4

y=125\times 4 =500

Hence, the total cost for 4 hours in both the service is $500.

c. Addition method.

Multiply equation (2) by -1

-y = -125x.... Equation (3).

Add euation (1) and equation (3)

y+(-y) = 200+75x-125x

0=200-50x

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Solution: For x = 4, y = 500 ( same as the previous two methods)

For x = 2, equation (1)

y=200+(75\times 2) = 350

For x = 2, equation (2)

y= 125\times 2 =250

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For x = 6 hours, equation (1)

y=200+(75\times 6) =650

For x= 6, equation (2)

y=125\times 6=750

For 6 hours, DJ A would be  better option since it charges $650 for 6 hours.



8 0
3 years ago
in a fundraiser, Mrs. Smith pledges $1 for each mile walked . if Sam walks 20 miles how much will Mrs. Smith donate? what is yhe
EleoNora [17]
Mrs. Smith donated $20
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5 0
3 years ago
Use elimination to solve<br>4x – 2y = -14<br>3x - y = -8​
Xelga [282]
X = -1, y = 5. Hope this helps
8 0
3 years ago
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