1 year ago

Find an equation of the line parallel to y = -2x + 1 and that passes through the point (-3,-4)

Mathematics

1 answer:

jek_recluse [69]1 year ago

5 0

Answer:

y = - 2x -10

Step-by-step explanation:

y = -2x + 1 Slope , m = -2 parallel slope is the same

point slope form of new line

(y - -4)= -2 ( x - -3)

y = -2x -10

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Write the equation of the line, in slope-intercept form, with the

IrinaVladis [17]

Answer:

y = -x -1

Step-by-step explanation:

x1= 0, y1= -1

$slope = \frac{x - x1}{y - y1} = \frac{x - 0}{y - ( - 1)} = \frac{x}{y + 1}$

-1 = x/(y+1)

-1 (y+1) = x

y+1 = -x

y= -x -1

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2 years ago

Including 16% sales tax an item cost 348. What is the original price?

const2013 [10]

Answer:

292.32

Step-by-step explanation:

16% = 0.16

348 × 0.16 = 55.68

348 - 55.68 = 292.32

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2 years ago

A right triangle's height is 3 times the length of its base. if the area of the triangle is 600, what is the height?

Anon25 [30]

a = 1/2 x b x h

h = 3b

so 1/2 x b x 3b = (1/2)(3b^2) = 150

(150 x 2)/3 = b^2

100 = b^2

b = square root of 100 = 10

h = 3b = 3 x 10 = 30

3 0

2 years ago

When 23 is subtracted from 5 times a certain number the result is 87

allsm [11]

5x-23=87
add 23 to both sides
5x=110
divide both sides by 5
x=22

To check your answer...
5(22)-23=87
110-23=87
87=87

8 0

2 years ago

4k + 12 = 52 using algbra

grigory [225]

Answer:

k=10

Step-by-step explanation:

4k + 12= 52

minus 12 on both sides

4k=40

now divide by 4

k=10

5 0

2 years ago