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slamgirl [31]
3 years ago
6

How to make a standard form equation from two points

Mathematics
1 answer:
vodomira [7]3 years ago
4 0
You use y=mx+b...  idk if that helped or not :)
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Greg had $17 more than Fred, and together they had just enough money to by their mom a present that costs $85. How much money di
babunello [35]
<u>Define x:</u>

Let Fred had x dollar.

Fred = x 
Greg = x + 17

<u>Solve x :</u>

x + x + 17 = 85
2x + 17 = 85
2x = 68
x = 34

<u>Find the amount each of them had:</u>

Fred = x = $34
Greg = x + 17 = 34 + 17 = $51

Answer: Greg had $51
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3 years ago
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Three times what equals 61.50
sergey [27]
Simply divide 61.50 by 3. You should be able to reach the answer that way
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2 years ago
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Which set of numbers is the most reasonable to describe the number of desks in a classroom?
Molodets [167]

Answer:

B. whole numbers

Step-by-step explanation:

whole numbers are numbers such as 1, 2, 3, 4, etc. This is the most reasonable choice, so the answer is whole numbers.

6 0
2 years ago
What is m,y-intercept and the y
amid [387]

Answer: The slope is 500 and the y intercept is 0.

Step-by-step explanation:

To find the slope we need to find the rise and divide it by the run. The y intercept will be when x is equal to 0. And when x is 0 y is also zero because it cuts through the origin meaning that the y-intercept is  0.

The line rises up by 1000 and run by 2 to the right.

Slope :  1000/2 = 500

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Use the given conditions to write an equation for the line in​ point-slope form and in​ general form.
Paha777 [63]
First, simplify the equation given into slope intercept form.

slope intercept form is y = mx + b, where b is the y intercept and m is the slope.

3x - 2y - 5 = 0

I would move the 2y to the other side.

3x - 5 = 2y

Then, since y can't have a coefficient, divide everything by 2;

y = 3/2x - 5/2

So there's your slope intercept form.

Point slope form is:

y -  y_{1} = m( x} -  x_{1} )

Where those with a subscript of 1 are part of the same point.

So you already known one point; -8, 8. I'll just do that as the pair with subscript 1. You know the slope as well from the slope intercept form; 3/2.

You can just plug those in. 

y - 8 = 3/2 (x + 8)

Now to change this to general form.

First, distribute 3/2 to x and 8.

y - 8 = 3/2x + 12
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Since there are no fractions, multiply everything by 2.

-3x + 2y - 40 = 0
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