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Andre45 [30]
3 years ago
7

Can someone please help me with math

Mathematics
1 answer:
Rus_ich [418]3 years ago
8 0

Answer:

7 is B

8 is C

9 is D

Step-by-step explanation:

Hey There!

So as you can see in the first image the slope of a line that passes through the coordinates (-3,1) and (5,-7) is -1

As you can see in the second image the equation of the line that passes through the points (-2,5) and (3,15) is y=2x+9

The last one is D because the equation is a=2b-3

The statement that says a is equal to 3 LESS then TWICE B is correct cause its saying that 2b - 3 is equal to a

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statuscvo [17]

It's true. That's how parallelograms are defined. Here's a diagram to show you what the question means. The opposite sides are parallel and there are 2 sets of parallel lines.

3 0
4 years ago
Read 2 more answers
1. What is an equation of a line, in point-slope form, that passes through (1,-7) and has a slope of -2/3?
Nookie1986 [14]

1. What is an equation of a line, in point-slope form, that passes through (1,-7) and has a slope of -2/3?


Point Slope form y − y1 = m(x − x1)


Y1: -7 x1:1 slope :-2/3


Y-(-7)=-2/3(x-1)

Y+7=-2/3(x-1)


2. What is the equation of a line, in point-slope form, that passes through (-2,-6) and had a slope of 1/3?


Y-(-6)=1/3(x-(-2))


Y+6=1/3(x+2)



3.What is an equation in point-slope form of the line that passes through the points (4,5) and (-3,-1)


SlopeM: =change in y/change in x

M= -1-5/-3-4

M= -6/-7

M=6/7


So now slope:6/7, point (4,5)

Y-y1=m(x-x1)

Equation in point slope

Y-5=6/7(x-4)



6 0
4 years ago
Graph 6x-2y=2 ,9x-3y=1
enot [183]

It's a linear function. We need only two points to draw a graph.

We choose any values of x and calculate the value of y.

6x-2y=2\qquad|-6x\\\\-2y=-6x+2\qquad|:(-2)\\\\y=3x-1

for x= 0 → y = 3(0) - 1 = 0 - 1 = -1 → (0, -1)

for x = 2 → y = 3(2) - 1 = 6 - 1 = 5 → (2, 5)

9x-3y=1\qquad|-9x\\\\-3y=-9x+1\qquad|:(-3)\\\\t=3x-\dfrac{1}{3}

for x = 0 → y = 3(0) - 1/3 = 0 - 1/3 = -1/3 → (0, -1/3)

for x = 2 → y = 3(2) - 1/3 = 6 - 1/3 = 5 2/3 → (2, 5 2/3)

4 0
3 years ago
What do I put in blanks giving brainiest
Oxana [17]

Answer:

tables and graphs

Step-by-step explanation:

3 0
3 years ago
Need help with this question
Paladinen [302]
B) 4/9 is correct

Mark with crown!
6 0
3 years ago
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