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QveST [7]
3 years ago
10

Do ALL linear equations have 1 solution? Explain

Mathematics
1 answer:
schepotkina [342]3 years ago
4 0

Answer:

No

Step-by-step explanation:

A system of linear equations usually has a single solution, but sometimes it can have no solution (parallel lines) or infinite solutions (same line). This article reviews all three cases. One solution. A system of linear equations has one solution when the graphs intersect at a point.

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What’s the slope of (5,6) and (-1,8)
AveGali [126]
The slope of the points is -1/3
3 0
3 years ago
URGENT NEEDS ANSWERED RIGHT AWAY Talk of the Town is a cell phone provider. They charge by the month. The first month of service
Basile [38]

Answer:

y=72.99+28.45(x-1).

Step-by-step explanation:

If we are to write an equation of the form y=c+d(x-1), then the function is linear; therefore, it has a constant slope d.

The slope d of the function is given by

d= \dfrac{\$101.44-\$72.99}{2-1}

\boxed{ d=28.45}

thus we have

y=c+28.45(x-1).

Now we find c from the fact that the first month of service costs $72.99, which gives us (x,y)= (1, 72.99), or

\$72.99=c+28.45(1-1)

\boxed{c=72.99}

Substituting the values of d and c, we get our equation in the final form:

\boxed{ y= 72.99+28.45(x-1)}

6 0
4 years ago
Write a mix number as a faction 43/8
butalik [34]

Answer:

5 3/8

Step-by-step explanation:

43/8

8 goes into 43 5 times with 3 left over so your answer will be

<h3>= 5 3/8</h3>
7 0
3 years ago
Read 2 more answers
Problem page the length of a rectangle is four times its width. if the perimeter of the rectangle is 70 cm , find its area.
agasfer [191]
So we can call the width of the rectangle x.
So then the length would be 4x.
The perimeter would then be 10x.
Since the perimeter is 70, we can say 70 = 10x.
And then simplify that to 7 = x.
So the length of a rectangle would be 28 cm, and the width would be 7.
So to find the area, just multiply length by width.
28*7 = 196 square cm
So the rectangle's area is 196 square cm.

I hope I helped!
5 0
4 years ago
What is the variance of the following data? If necessary, round your answer to two decimal places.
Assoli18 [71]
Definitely The answer B
3 0
3 years ago
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