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expeople1 [14]
4 years ago
15

What is the slope of the line that passes through the points (3,1) and (-2,5)

Mathematics
1 answer:
MrMuchimi4 years ago
4 0
Slope should be m= - 4/5

and please mark me brainliest

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1. Find the equation of a line passing through the points (1,-2) and (-3,10).​
liraira [26]

Answer:

Step-by-step explanation:

(1 , -2)   x₁ =1 & y₁ = -2

(-3,10)  x₂= -3 & y₂ = 10

First we need to find the slope.

\boxed{Slope = $\dfrac{y_{2}-y_{1}}{x_{2}-x_{1}}$}\boxed{Slope=\dfrac{y_{2}-y_{1}}{x_{2}-x_{1}}}

          =\dfrac{10-[-2]}{-3-1}\\\\\\=\dfrac{10+2}{-4}\\\\\\=\dfrac{12}{-4}\\\\\\= - 3

m = -3

Equation of the line: y = mx + b

y = -3x + b

To find the value of b, take one of the point and substitue in the above equaiton.

(1 , -2)

-2 = -3*1 + b

-2 = -3 + b

-2 + 3 = b

b = 1

Equation of the line:

y = -3x + 1

4 0
3 years ago
Geometry question helpppppppp
Vinvika [58]
A is the right answer

This is because when plugged into each of the expressions, the both equal the same thing. Which means that this proves that the two hypotenuses are congruent, proving the triangles congruent by HL. <span />
8 0
4 years ago
The longest side of an obtuse triangle measure 20 cm. the two shorter sides measure x cm.and 3x sm round to the nearest tenth,wh
sleet_krkn [62]

22cm is the greatest

It should be greater than17(20-3)

and smaller than 23(20+3)


5 0
3 years ago
what is the percentage of change for the cost of cheeseburger if in the year of 2000 it was $5.00 and in 2015 is $6.50.​
snow_lady [41]

Answer:

$2.50

2015: $2.00

2000: $7.50

2000: $5.00

2000: $2.00

2015: $9.00

2015: $6.50

2015: $4.50

2010

1. what is the percent of change in the cost of a pizza? _ a

x 150

100 1.50 p1500 750 1155oo.

150 isg

pi

2. what is the percent of change in the cost of a cheeseburger?

175

6.50

1.50

Step-by-step explanation:

4 0
3 years ago
Please help me! No links as answers please. Find the expected value: A card is drawn from a deck. You win $104 if the card is an
kotegsom [21]

Answer:

I highly doubt this is right bu $26 since there are many face cards in a deck.

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
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