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3 years ago

I don't understand what this question is asking I'm confused?? Please need help lol

Mathematics

1 answer:

FromTheMoon [43]3 years ago

5 0

The question is what movement was done to each of the points of the dotted figure for it to move to the undotted figure's location. you should answer by saying it is a translation of (x,y).

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3 years ago

Find the sum of all integers 30 to 80. (Is there a formula to do this?

Shkiper50 [21]

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Step-by-step explanation:

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Which equations are equations for the line shown?<br><br> Choose all answers that are correct.

Pachacha [2.7K]

The line passes by the points (2,-3) , (-2,5)
so the equation of a line passes by 2 points is (y-y1)/(x-x1) = slope
slope = (y2-y1)/ (x2-x1)
= (5-(-3)) / ( -2-2)
= 8/-4
= -2
then subs. in the 1st equation of the line
(y-(-3)) / ( x-2) =-2
so,, (y+3) = -2(x -2)
so the answer is the 1st one
to make sure ur equation is right subs in the equation by the point (0,1)
if R.H.S = L.H.S
then ur equation is right

3 0

3 years ago

Here we go again lol I’m a failure and a disappointment according to my mom yayy

Nostrana [21]

Hello! Your answer is y = -7/3x + 2.

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First, find the slope of the original line. The slope can be calculated by $\frac{y_{2}-y_{1}}{x_{2}-x_{1}}$ . Substitute in the points, and you get:

$\frac{3-(-3)}{13-(-1)}$

$\frac{6}{14}$

$\frac{3}{7}$

So now we get: slope = 3/7. We do not need the full equation of the first line, as a perpendicular line only requires the slope.

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Perpendicular lines all have a slope that is a negative reciprocal of another. For example, if one line's slope was 1/4, the line perpendicular to it would have a slope of -4.

The negative reciprocal of 3/7 is -7/3. Therefore, we know the slope of the line that we are looking for is -7/3. We can substitute this into y = mx + b.

y = -7/3x + b

Now, we are given a coordinate point. Substitute that in and solve.

-5 = -7/3 * 3 + b

-5 = -7 + b

b = 2

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Therefore, the final equation we are looking for is y = -7/3x + 2.

Hope this helps!

4 0

3 years ago