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Radda [10]
2 years ago
6

Write the equation of a line that is PERPENDICULAR to the line y=3x-4 and passes through the point (-6,1)​

Mathematics
1 answer:
Verdich [7]2 years ago
4 0

Answer: y = -1/3x - 1

Step-by-step explanation:

  • Slope of perpendicular line is opposite reciprocal --> -1/3
  • Using point given (-6, 1), find b.
  • 1 = -6(-1/3) + b
  • 1 = 2 + b
  • -1 = b

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Can someone please help me with this problem? An explanation would be great, but it can be short. Thank you!!
ss7ja [257]

We are given two points: (4, -8) and (8, 5)

General equation of a line: y = mx + c

First find m (the gradient). There is a formula for this: (change in y)/(change in x) = gradient

(5 - -8) / (8 - 4) = (13) / (4) = 3.25 = m

y = 3.25x + c

Now we need to find c (the y-intercept; the value of y when x=0).

Substitute in any one of the coordinates - let's use (8, 5)

(5) = 3.25(8) + c

(5) = 26 + c

c = -21

The equation of the line: y = 3.25x - 21


I think that this answer is correct - sorry if it seems rushed.

Hope this answer helps :)

7 0
3 years ago
This hanger is in balance. There are two labels weight. What is the weight of each circle on grams?
Citrus2011 [14]

Answer:

since there is no image attached I can't see what weight they could be labeled but since the scale is even the weights must be the same number weight

Step-by-step explanation:

hope this helped!

6 0
2 years ago
What is 173.22 divided by 4?
Kisachek [45]
43.305 or in Mixed Number is 43 61/200 or in improper Fraction is 8661/200
3 0
3 years ago
Read 2 more answers
How to Find x value: 9-0.75(x+8)-5=-6.5
Dahasolnce [82]
Here's how to find the value of x:

<span>9 - 0.75 ( x + 8 ) - 5 = -6.5      find the difference of 9 - 0.75

</span><span>8.25 ( x + 8 ) - 5 = -6.5           add 5 to both sides
</span>
8.25 ( x + 8 ) = -1.5                distribute 8.25 to x and 8

8.25x + 66 = -1.5                    subtract 66 from both sides

8.25x = -67.5                          divide both sides by 8.25

x = 18.18181818......            the value of x is 18 2/11

hope this helps
8 0
2 years ago
Easy question and it's a warm up question. Noah has to do 8 homework and he did 7 homework. How many homework left does noah hav
nadezda [96]

Answer:

1

Step-by-step explanation:

(H - Homework)

H = 8

H = 8 - 7

H = 1

4 0
2 years ago
Read 2 more answers
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