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julsineya [31]
3 years ago
13

Find the slope of a line PERPENDICULAR TO LM: L(3,-5), M(-4, -1)

Mathematics
1 answer:
Ede4ka [16]3 years ago
7 0

Answer:

\frac{7}4

Step-by-step explanation:

First, we need to find the slope, which is defined as the change in y over the change in x:

\frac{-5-(-1)}{3-(-4)} = \frac{-4}{7}

To find a slope that's perpendicular to that, we just take the negative reciprocal of that slope, which is \frac{7}4.

I hope this helped.

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Which diagram correctly shows all lines of symmetry in the figure?<br> (Please say why)
saveliy_v [14]

The answer is the 2nd one because you can only fold this object like this and no other way.

6 0
3 years ago
A bill to landscape your yard is $720. The Materials cost $375 and the labor is $34.50 per hour. Write and solve an equation to
Igoryamba

Answer:

Hey what'sup?

You need to dig a little in, for what it's actually meaning

Here the total is 720 right?

Which came from the materials and the labors work in hourly basis

So it's like

Cost of the material + no of hours = bill

We don't know what the no of hours are, so let's assume it as 'x'

Hence the required equation is

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35*x = 720-375

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Therefore x=345/35 =9.8

Therefore they worked for 9.8 hours or approximately 10 hours

Peace out

8 0
3 years ago
A polygon has the vertices P(-2,6), Q(4,6), R(4,1) and S(-2,1). What is the length of side RS?
inessss [21]
It is 6 units because you find the absolute value of the two different coordinates, in this case it is 4 and -2. Since they belong in different quadrants (one x or y value is positive and the other is negative) you add them. If they are both in the same quadrant, you subtract them. 
8 0
3 years ago
Can anyone please help with these 2 questions. If you can, please show step-by-step.
valentinak56 [21]

Answer:

1. x = 21

2. m∡ABC =  51°

Step-by-step explanation:

First problem, solve for x

the sum of inside angles of a triangle is 180

also the supplementary angle for L = 180 - 100 is 80°

now you can add all angles

80 + 2x - 11 + 2x + 27 = 180

4x + 96 = 180

4x = 84

x = 21

Second problem, solve for m∡ABC

the sum of inside angles of a triangle is 180

also the supplementary angle for C = 180 - 148 is 32°

now you can add all angles

31 + 2x - 15 + x - 5 = 180

3x + 12 = 180

3x = 168

x= 56,

now solve for  m∡ABC = (x - 5)° = (56 - 5)° = 51°

8 0
3 years ago
Read 2 more answers
Pls help me with either one
blagie [28]

7. 65 + 75 = 140

180 - 140 = 40

( I think this is the answer)

6 0
2 years ago
Read 2 more answers
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