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SVETLANKA909090 [29]
3 years ago
8

Explain why we can use any two points on a line to find the slope of the line

Mathematics
2 answers:
ololo11 [35]3 years ago
6 0

Because all the coordinates of a line has the same slope. So, we can use any two of them to find the slope.


kykrilka [37]3 years ago
5 0
You can use two coordinates and use the slope formula to calculate slope
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I don’t know how to do this one. could someone help
DedPeter [7]

Answer:

If it is being dilated from (0,0) the answer is below.  

Step-by-step explanation:

It depends on where it is scaled from.  If you choose a point directly to that points left it will be pushed tot he right, and vice versa if it is on its right.    Same for above and below

I am going to assume we are dilating from (0,0), but again, if there is another part of the question saying where it's from use this method for that as well.

So, from (0,0) the initial point is (-3, 11)  Scaling by a factor of 3 means it gets pushes AWAY so it is 3 times as far away.  (If it were a fraction or decimal it would be getting pulled closer)

Using (0,0) as the dilation point is the easiest because we just have to ask how far are the x and y coordinates away from (0,0) and any number is THAT number away from 0.  

We break this into the two coordinates too.  so how far is -3 from 0?  -3.  so we want a point 3 times as far away, so what is that?  -9.  Same for 11, 11 is 11 away from 0 so we want it 3 times as far, which is 33.

Now that we have the two coordinates  that is the answer.  

(-9, 33)

6 0
3 years ago
What is the measure of the smallest angle in the triangle whose vertices are D(4,1), E(4, -2), and F(-2, -2)? Round to the neare
Diano4ka-milaya [45]
27 
I hope this is right
8 0
3 years ago
What is the answer I need help it's math
Lady_Fox [76]
Well if that's a division symbol then it's 4/5 x 1/3=4/15.
If it's addition it's 19/5
4 0
4 years ago
Read 2 more answers
Please answer attached Parallel lines with Multiple transversals
love history [14]

Answer:

Step-by-step explanation:

3 0
2 years ago
Please help with multiple choice question
Volgvan

Answer:

D:   {9, 21, 33}

Step-by-step explanation:

Ken worked 2, 8 and 14 hours on 3 separate days.

For working 2 hours, his earnings were f(2) = 2(2) + 5, or 9;

For working 8 hours, his earnings were f(28) = 2(8) + 5, or 21; and

For working 14 hours, his earnings were f(14) = 2(14) + 5, or 33

Thus, the range of this function for the days given is {9, 21, 33} (Answer D)

7 0
3 years ago
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