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allsm [11]
3 years ago
15

Find the area of the regular polygon? Please please please the brainiest person help me!!!!!

Mathematics
1 answer:
DaniilM [7]3 years ago
6 0
The area is 162 square root 3
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Graph the line whose y-intercept is -7 and whose x-intercept is 1
vesna_86 [32]

Answer:

y=7x -7

Step-by-step explanation:

We are given two points, the y - intercept and the x - intercept.

The y - intercept being: ( 0, -7 )

The x - intercept being: ( 1, 0 )

The equation of a line in slope - intercept form is:

y = mx + b, where m is the slope and b is the y - intercept.

We already have the y - intercept. So far we have:

y = mx - 7

What we're missing is the slope.

To find the slope, we can use this formula:

\frac{y_{2}-y_{1}  }{x_{2}-x_{1}}, where x_{2} and x_{1} are the x - coordinates of both points and y_{2} and x_{1} are the y - coordinates of both points.

m=\frac{0-(-7)}{1-0} \\\\m=\frac{7}{1}\\m=7

We now have the missing piece, the slope, so the equation now is:

y=7x -7

3 0
3 years ago
What is (8x-30)+6x+(2x+10) simplified?
VMariaS [17]

Answer:

16x-20

Step-by-step explanation:

(8x-30)+6x+(2x+10)

8x-30+6x+2x+10

8x+6x+2x-30+10

14x+2x-20

16x-20

3 0
3 years ago
What is the value of 2(8-5) to the second power?
postnew [5]
The answer would be 18.
3 0
2 years ago
Simplify (2x-2y)(2y + 8)
Rasek [7]

Answer:

=4xy−4y2+16x−16y

Step-by-step explanation:

(2x−2y)(2y+8)

=(2x+−2y)(2y+8)

=(2x)(2y)+(2x)(8)+(−2y)(2y)+(−2y)(8)

=4xy+16x−4y2−16y

=4xy−4y2+16x−16y

6 0
2 years ago
Read 2 more answers
Find the slope and y-intercept of the line y=-1/2x+1
ankoles [38]

Answer:

Slope: -1/2

Y intercept: 1

Step-by-step explanation:

5 0
2 years ago
Read 2 more answers
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