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sp2606 [1]
3 years ago
14

Write an equation of the line that passes through the given points. question (-4, 3), (O, -10)

Mathematics
1 answer:
expeople1 [14]3 years ago
3 0

Answer:

Y=(\frac{4}{7}) x+2

Step-by-step explanation:

Y=mx+b

M=\frac{x2-x1}{y2-y1}

M=\frac{0-(-4)}{-10-3}

M=\frac{-4}{-7}

Y=(\frac{4}{7}) x+2

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A motorcycle make 100 revelation in moving a distance of 220m find the diameter of the wheel​
Natalija [7]

Answer:

Step-by-step explanation:

If it goes 220 meters and has made 100 revolutions that means that each revolution is 220 meters / 100 = 2.2 meters.

That's the same thing as saying that the wheel has a circumference of 2.2 meters.

Circumference = 2*pi * r = pi * d

2 = pi * d

2 = 3.14 * d

2/3.14 = d

d = 0.6369 meters

5 0
2 years ago
Example 24 In a school there are 20 teachers who teach mathematics or physil
Trava [24]

Answer:

The number of teachers who teach  physics   n(P) = 12

Step-by-step explanation:

<u><em>Step(i):</em></u>-

Given that the number of teachers who teach mathematics or physics

n(MUP) = 20

Given that  the number of teachers who teach mathematics

n(M) = 12

Given that the number of teachers who teach both mathematics and physics

n(M∩P) = 4

<u><em>Step(ii):-</em></u>

By using   n(A∪B) = n(A) + n(B) - n(A∩B)

                n(M∪P) = n(M) +n(P) - n(M∩P)

                20         = 12 + n(P) - 4

               20 -12 +4 = n(P)

                    n(P) = 12

<u><em>Final answer:-</em></u>

The number of teachers who teach  physics   n(P) = 12

3 0
3 years ago
Read 2 more answers
A ship leaves port and travels due west for 30 knots, then changes course to S 30° W and travels 50 more knots. Find the bearing
leva [86]

Answer:

  232°

Step-by-step explanation:

There are a couple of ways to find the desired direction. Perhaps the most straightforward is to add up the coordinates of the travel vectors.

  30∠270° +50∠210° = 30(cos(270°), sin(270°)) +50(cos(210°), sin(210°))

  = (0, -30) +(-43.301, -25) = (-43.301, -55)

Then the angle from port is ...

  arctan(-55/-43.301) ≈ 231.79° . . . . . . . 3rd quadrant angle

The bearing of the ship from port is about 232°.

_____

<em>Comment on the problem statement</em>

The term "knot" is conventionally used to indicate a measure of speed (nautical mile per hour), not distance. It is derived from the use of a knotted rope to estimate speed. Knots on the rope were typically 47 ft 3 inches apart. As a measure of distance 30 knots is about 1417.5 feet.

5 0
3 years ago
How many interior angles in this polygon
serious [3.7K]
I believe it has 8 angles, each are 135 degrees
sorry if its wrong
4 0
2 years ago
Read 2 more answers
I need this done by tonight<br> I will good rating+good reward if correct
Slav-nsk [51]

Answer:

A. biased because if people are leaving a fast food restaurant, they are more likely to eat fast food restaurants than if you were to survey them in a more random setting.

B. Representative because her eggs came from multiple sample spaces.

C. biased because the tallest corn stalk is expected to have more ears.

4 0
3 years ago
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