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3 years ago

PLS HELP!! ASAPPPPPPPP

Mathematics

1 answer:

morpeh [17]3 years ago

5 0

Keep the denominator

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Simplify 7x^2+ 5x+4x answer pls

SIZIF [17.4K]

Answer:

7x^2+9x

Step-by-step explanation:

Hope this helps...

7x^2+(5x+4x)=

7x^2=9x

4 0

3 years ago

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Graph the following lines and write the equation in slope-intercept form. With y intercept of −3 and an x intercept of −4.5.

makvit [3.9K]

Answer:

$y=-\frac{2}{3}x-3$

Step-by-step explanation:

To write the equation of a line we need 2 points. We know:

If the y-intercept of the line is -3 then the point is (0,-3).

If the x-intercept of the line is -4.5 then the point is (-4.5,0).

Using these two point, we will find the slope and then substitute it into the point slope form $y-y_1=m(x-x_1)$ with a point.

Slope: $m=\frac{0--3}{-4.5-0}=\frac{0+3}{-4.5}=\frac{3}{-4.5}=-0.6667$

This decimal is -2/3. We will now substitute -2/3 and (0,-3) into the point slope form.

$y--3=-\frac{2}{3}(x-0)\\y+3=-\frac{2}{3}(x)\\y+3=-\frac{2}{3}x\\y=-\frac{2}{3}x-3$

6 0

3 years ago

Write the equation of the line with the given slope and y-intercept.

Alex787 [66]

A) y=5x+8

See clipped image for explanation

Comment below if you have trouble seeing the image or if you have more questions :)

4 0

3 years ago

24 + 8x = 8 (5x + 8) + 8x

padilas [110]

Answer:

x=-1

Step-by-step explanation:

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2 years ago

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PLEASE HELP ME WITH THIS. 20 POINTS.

soldi70 [24.7K]

Answer:

i think D

Step-by-step explanation:

why

As the graph is basically y = 2x then all the answer with a higher slope are meant to be equations that represet relationship B. So the answers will be the second one: y=2.2x and the fourth one y= 3x

5 0

3 years ago