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aleksandrvk [35]
3 years ago
15

I need answers ASAP! Thanks!

Mathematics
1 answer:
Daniel [21]3 years ago
3 0

Step-by-step explanation:

43. P, U

44. 7

53. Airplanes can be traveling on different planes, one plane above the other. Cars on the same intersection are on the same plane.

55

a. You can choose (4 * 3 * 2)/(3 * 2) = 4 groups of 3 points in which order does not matter.

One of those combinations does not have K, so 3 combinations of the 4 have K.

p = 3/4

b. p = 1 since any three points are always coplanar.

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William, Xing Mei, Yuki, and Zack run a race. In how many different ways can they finish?
BigorU [14]

Answer:

24

Step-by-step explanation:

Four total places someone can come - 1st, 2nd, 3rd or 4th. Anyone can come 1st - 4 people

Now only the remaining 3 can come second - 3 people

Next, only the remaining 2 people can come third - 2 people

Finally, one person comes last - 1 person

4 x 3 x 2 x 1 = 24

5 0
3 years ago
2. The diameter of a circle is twice the radius. The formula is d = 2r. If
blsea [12.9K]

Answer:

6.5 inches

Step-by-step explanation:

diameter=radius ×2

radius= diameter÷2

Diameter=13

13÷2=6.5

7 0
2 years ago
I
vlabodo [156]
The answer would be letter b
6 0
3 years ago
The height of a cylinder is twice the radius of its base.
Ber [7]

Let x represent radius of circle.

We have been given that the height of a cylinder is twice the radius of its base. So height of cylinder would be 2x.

Now we will use volume of cylinder formula to our given problem.

V=\pi r^2h, where,

r = Radius of base of cylinder,

h = Height of cylinder.

Upon substituting our given values, we will get:

V=\pi\cdot x^2\cdot 2x

V=2x^3\pi

Therefore, our required volume expression would be 2x^3\pi.

6 0
3 years ago
Given m = -1/5 and the point (1, 2), which of the following is the point-slope form of the equation?
Karo-lina-s [1.5K]

Answer:

y - 2 = -1/5(x - 1).

Step-by-step explanation:

y - y1 = m(x - x1) is the general form .

Here x1 = 1, y1 = 2 and m = -1/5, so it is:

y - 2 = -1/5(x - 1).

8 0
3 years ago
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