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joja [24]
2 years ago
12

1

Mathematics
1 answer:
LekaFEV [45]2 years ago
8 0
The answer should be B.
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the equation of line cd is y = 3x − 3. write an equation of a line perpendicular to line cd in slope-intercept form that contain
liberstina [14]

Answer:

The required equation is y=-\frac{1}{3}x+2.

Step-by-step explanation:

The equation of line cd is

y=3x-3

Slope intercept form of a line is

y=mx+b

Where, m is slope and b is y-intercept.

Slope of line cd is 3.

The product of slopes of two perpendicular lines is -1.

m_1\times m_2=-1

3\times m_2=-1

m_2=-\frac{1}{3}

Therefore slope of perpendicular line is -\frac{1}{3}.

Point slope form of a line is

y-y_1=m(x-x_1)

Slope of perpendicular line is -\frac{1}{3} and line passing through the point (3,1).

y-1=-\frac{1}{3}(x-3)

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

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

Therefore the required equation is y=-\frac{1}{3}x+2.

4 0
3 years ago
Read 2 more answers
In a right triangle ,one acute angle measure 39, what is measure of the other acute angle?
LUCKY_DIMON [66]
C, 51 because acute angles are less than 90° but together the angles create a right triangle which is 90°.
3 0
3 years ago
Read 2 more answers
A human resource manager is researching the entry-level salary for a technician position. She determined that other companies in
Sever21 [200]
$15.6375, but if rounded up, $15.64, and $15.63 if rounded down
5 0
3 years ago
The perimeter of a triangle is 70 in. The shortest side is 11 in. less than the longest side. The middle side is 24 in. less tha
kondor19780726 [428]

Answer:

The sides are

6

inches,

8

inches and

10

inches

Explanation:

I'd suggest that the question should read 'The perimeter of a triangle is 24 inches. The longest side is 4 inches longer than the shortest side, and the shortest side is three-fourths the length of the middle side. How do you find the length of each side of the triangle?'

In this case the question can be answered. If

x

is the length of the middle side, then the shortest side is 3/4x and the longest side is 3/4x+4

x+3/4x+3/4x+4=24

10/4x=20

x=8

Then the shortest side is 6and the longest side is 10

Step-by-step explanation:

4 0
3 years ago
Eddie is reading a novel for English class. He read 173 out of 480 pages. About what percent of the book has he read? Round to t
tester [92]

Answer:

the answer would be 36.04,

Step-by-step explanation:

im gonna just leave this blank

4 0
3 years ago
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