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Temka [501]
3 years ago
9

e given line passes through the points (−4, −3) and (4, 1). What is the equation, in point-slope form, of the line that is perpe

ndicular to the given line and passes through the point (−4, 3)
Mathematics
2 answers:
Stells [14]3 years ago
4 0
First find the slope of the two points 
The slope equation is m=y2-y1/x2-x1
m = 1 - (-3)/ 4 - (-4) = 4/8 = 1/2 

The point slope form is y-y1 = m(x-x1)
Choose any of the points, I'll choose (4,1) and plug it into the equation
y - 1 = 1/2 ( x-4 )

Now when you have a perpendicular line, its important to know the rules.
The first rule is that you have to find the reciprocal of the slope, 1/2 = 2/1 
So the slope is 2 
Now plug in the (-4,3) with the new slope found for the perpendicular line

y - 3 = 2(x+4)
Keith_Richards [23]3 years ago
3 0
Y - 3 = 2(x+4)
hope this helps!
have a good day:)
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I need help :( (please explain how you got your answer too)
ch4aika [34]

Answer:

a. fly = 5.7

b. fly = 7.5

Step-by-step explanation:

a.

hoist/fly = 1 / 1.9

The new hoist is 3. To get this you have to multiply 1 by 3. That means you have to multiply 1.9 by 3 too.

1.9 * 3 = 5.7

b.

hoist/fly = 3/5 (this is the new ratio)

4.5 / 3 = 1.5

5 * 1.5 = 7.5

6 0
3 years ago
What is a equation for line with a slope o 2/3 and a y-intercept of (0,0)
Lerok [7]

Answer:

y= 2/3 x

Step-by-step explanation:

point slope form

y-y1 = m(x-x1)

y-0 = 2/3 (x-0)

y = 2/3(x)

y= 2/3 x


3 0
3 years ago
N - 9.02 = 3.87<br> what is (n)?
Nadya [2.5K]

Answer:

n = 12.89

Step-by-step explanation:

Add 9.02 + 3.87

7 0
3 years ago
I need help please!!!
vazorg [7]

963i think its probaly wrong


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3 years ago
Victoria spent one-fourth of her birthday money on clothes. She received another $25 a week later. If she has a total of $70 now
tia_tia [17]

Answer:

she had $60 before she went for shopping

Step-by-step explanation:

PLZ MARK BRAINLIEST

Let x represent the amount of money that Victoria had before she went for shopping.

Victoria spent one-fourth or her birthday money on clothes. It means that the amount she spent on shopping is 1/4 × x = x/4. Amount that she was having left would be x - x/4 = 3x/4

She received another 25$ a week later. The amount that she is having at this point will be 3x/4 + 25

If she has a total of 70$ now, it means that

3x/4 + 25 = 70

Multiplying through by 4

3x + 100 = 280

3x ,= 280 - 100 = 180

x = 180/3 = 60

3 0
3 years ago
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