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Natalka [10]
1 year ago
12

Find an equation of the line that contains the given point and is perpendicular to the given line. Using a graphing calculator t

o verify the result.
(-9,12), 5x-6y=7
Mathematics
1 answer:
Orlov [11]1 year ago
6 0

The equation of the line is y=2x+1.

We must must transform the standard form equation 3x+6y=5 into a slope-intercept form equation (y=mx+b) to find its slope.

3x+6y=5 (Subtract 3x on both sides.)

6y=−3x+5 (Divide both sides by 6.)

y=− 3/6x+ 5/6

​y=− 1/2x+ 5/6

​The slope of our first line is equal to − 1/2.Perpendicular lines have negative reciprocal slopes, so if the slope of one is x, the slope of the other is − 1/x

​The negative reciprocal of − 1/2 is equal to 2, therefore 2 is the slope of our line.

Since the equation of line passing through the point (1,3), therefore substitute the given point in the equation y=2x+b:

3=(2×1)+b

3=2+b

b=3−2=1

Substitute this value for b in the equation y=2x+b:

y=2x+1

Hence, the equation of the line is y=2x+1.

For more information about equation of line, visit

brainly.com/question/18831322

#SPJ9

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Anna bicycled 2.75 miles in 0.3 of an hour. How far would she travel in one hour?
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Step-by-step explanation:

2.75m x 0.3 = 0.825

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3 years ago
A line has a slope of –5 and a y-intercept of (0, 3). What is the equation of the line that is perpendicular to the first line a
neonofarm [45]
Slope-intercept form:
y=mx+b
m=slope
b=y-intercept

Data of the first line:
m=-5
b=y-intercept=3  (y-intercept=it is the value of "y" when x=0)

y=-5x+3

A line perpendicular to the line y=mx+b will have the following slope:
m`=-1/m

Therefore: the line perpendicular to the line y=-5x+3 will have the following slope:
m´=-1/(-5)=1/5

Point-slope form of a line: we need a point (x₀,y₀) and the slope (m):
y-y₀=m(x-x₀)

We know, the slope (m=1/5) and we have a point (3,2) therefore:
y-y₀=m(x-x₀)
y-2=1/5(x-3)     (point-slope form)
y-2=(1/5)x-3/5
y=(1/5)x-3/5+2
y=(1/5)x+7/5    (slope-intercept form)

Answer: the line perpendicular to the first line will be: y=(1/5)x+7/5



3 0
3 years ago
Read 2 more answers
The area of a rectangle is 38.25 square yards and its base is 9 yards. What is the height? Do not round your answer.
devlian [24]

Answer:

4.25 yards

Step-by-step explanation:

38.25/9=4.25

7 0
3 years ago
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In the triangle below,∠1= 35° and ∠6 = 70°. WHat is the measurement of ∠4?<br><br><br><br> ∠4= ?°
julia-pushkina [17]

Answer:

145°

Step-by-step explanation:

< 6 + <2 = 180° {being linear pair }

70° + < 2 = 180°

< 2 = 180° - 70°

< 2 = 110°

Now

< 4 = < 1 + < 2 (exterior angle of a triangle is equal to the sum of two opposite interior angles)

<4 = 35° + 110°

= 145°

Hope it will help :)

8 0
3 years ago
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