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Svetach [21]
3 years ago
8

Find the value of x. Explain your work please.Concurrency of Angle Bisectors

Mathematics
1 answer:
vovangra [49]3 years ago
5 0

Answer:

x+5=2x-1

combine terms

subtract x from both sides and add 1 to both sides

6=x

Answer is A

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Read the question and answer. Ignore the c please, its incorrect.
Eddi Din [679]

Answer:

The correct choice is E

Step-by-step explanation:

Neither A, B, C, or D are correct, so the right answer must be E. By the way, E isn't shown in the picture.

5 0
3 years ago
What is the equation of the line that is perpendicular to the line through (1,-4) and (-2,2) and passes through the x-intercept
ss7ja [257]

Answer:

y=-\frac{1}{2}x+\frac{3}{2}

Step-by-step explanation:

First, calculate the slope of the line that is perpendicular to the equation of line we are asked to find

m=(y2-y1)/(x2-x1)

  =(2-(-4))/(-2-1)

  =6/-3

  =-2

in this equation the slope is 2, and to find the first equation, use y=mx+b

use the point (1, -4) to find b

-4=(2)(1)+b

-4=2+b

b=-6

the first equation of the line is y=2x-6

to find the x intercept of that line substitute 0 for y

0=2x-6

2x=6

x=3

the slope of a line perpendicular to this would be the opposite reciprocal of the slope which would be equal to -1/2

for the second equation of the line to pass thorugh the x-intercept of the first line, it must pass through (3, 0), so substitute and solve for b

y=mx+b

0=(-1/2)(3)+b

b=3/2

thus the equation of the line that is perpendicular to the line through (1,-4) and (-2, 2) and passes through the x intercept of that line is y=-\frac{1}{2}x+3/2

8 0
3 years ago
Write and graph an equation that is perpendicular to the equation x-3y=6 and through point (2,-3)
Korvikt [17]

Answer:

y = mx + b   is slope-intercept form of the linear equation.

y - y1 = m(x - x1)   is point-slope form of the linear equation.

Ax + By = C  (A ≥ 0)   is standard form of the linear equation.

~~~~~~~~~~~

....

              1  

y – 5  =  ——  (x + 1)

              3  

         1             1

y  =  —— x  +  ——  +  5

         3             3  

                   1             16

(1)   y  =  ——  x  +  ——

                  3              3  

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
What is 7+10x-2x-2=-3
Ivahew [28]
7+10x-2x-2=-3

—-Combine like terms...10x-2x=8x and 7-2=5

8x+5=-3
——subtract 5 on both sides.. the 5’s will cancel each other and -3-5=-8

8x=-8
——Divide 8 on both sides...the 8’s will cancel out and -8 divided by 8 = -1

Answer: x = -1
6 0
3 years ago
A truck is painting traffic lines along a highway.The truck paints 8 miles of lines in 3 hours.At that rate, how many miles can
bekas [8.4K]
The answer would be 32 miles (I think) if you set up a proportion you should get this answer.
7 0
3 years ago
Read 2 more answers
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