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3 years ago

Write the equation in slope-intercept form for a line which points go through (-2,3), parallel to x=o

Mathematics

1 answer:

castortr0y [4]3 years ago

7 0

Answer:

x = -2

Step-by-step explanation:

Line x = 0 is parallel to y-axis

Line parallel to given line is also parallel to y-axis. It passes through point (-2, 3), so its equation is:

x = -2

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3 years ago

Write an equation of the circle with center (4,5) and radius 9.

mixer [17]

Answer:

I'm going to write both of these because maybe you have a fill in the blank question. I don't know.

$(x-4)^2+(y-5)^2=9^2$

Simplify:

$(x-4)^2+(y-5)^2=81$

Step-by-step explanation:

$(x-h)^2+(y-k)^2=r^2$ is the equation of a circle with center (h,k) and radius r.

You are given (h,k)=(4,5) because that is the center.

You are given r=9 because it says radius 9.

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Simplify:

$(x-4)^2+(y-5)^2=81$

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3 years ago

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Is the percent increase from 50 to 70 equal to the percent decrease from 70 to 50? Explain.

Salsk061 [2.6K]

Answer:

Step-by-step explanation:

Percent change is the difference in numbers divided by initial number converted to percent value.

Percent increase:

(70 - 50)/50*100% = 40%

Percent decrease:

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2 years ago

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anzhelika [568]

Answer: x=4

Step-by-step explanation:

1+3x=x+9

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2x=8

Divide by 2 on each side

Final result

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2 years ago