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Andrej [43]
2 years ago
5

Line D passes through the points (1, 1) and (5, 6). What is the slope of a line perpendicular to Line D?

Mathematics
1 answer:
Ksenya-84 [330]2 years ago
5 0

Answer:

B -4/5

Step-by-step explanation:

The slope of line D is given by

m = (y2-y1)/(x2-x1)

    = (6-1)/ (5-1)

    =5/4

We want the slope of the line perpendicular

That would be the negative reciprocal

- (4/5)

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Find the equation of the line passing through (1,4) and (-2,-1).
wel

Answer:

y=5/3x+7/3

Step-by-step explanation:

Here are the points: (1,4) and (-2, -1)

let's first find the slope, which is with the equation m=(y2-y1)/(x2-x1) (m is the slope)

label the points:

x1=1

y1=4

x2=-2

y2=-1

now subsitute into the equation

m=(-1-4)/(-2-1)

m=-5/-3

m=5/3

the slope of the line 5/3

Here's the equation so far:

y=5/3x+b (b is a place holder)

we can substitute either one of the points into the equation so far to find b, because the line will pass through both of them>

let's use (1,4) as an example

4=5/3(1)+b

4=5/3+b

subtract 5/3 from both sides

7/3=b

Now, put it all together:

y=5/3x+7/3

Hope this helps!

8 0
2 years ago
Can someone please help me with B it’s a 1 Mark question!!!!!!!!!!!HELP
VMariaS [17]

Answer:

137°

Step-by-step explanation:

Basically, its the reverse of question 1.

With angle x, you can find out that the opposite angle is 360 - 106 = 254°

the angle is twice the size of angle y as said in the corcle theorems.

254 divided by 2 = 137°

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5 0
2 years ago
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Find two consecutive numbers whose cubes produce a sum of 1241
MrRa [10]

8 and 9

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Step-byy-step explanation:

Let N be the number of received calls in a day

That is

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P(N=0)=e^−λ=1/200

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λ=in(200)

Our number of calls in a day is distributed Pois(ln(200)).

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ss7ja [257]

Answer:

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Step-by-step explanation:

  • 90 * 10
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