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neonofarm [45]
2 years ago
6

In a certain math class, it is known that 18 students LOVE math review, and 5 students dislike math review. The teacher randomly

selects three students from the class. What is the probability that all three students love math review?
Mathematics
2 answers:
Elden [556K]2 years ago
8 0

Answer:

Do you mind If I get help by someone?

Step-by-step explanation:

Thank you.

Alborosie2 years ago
7 0
The probability that the first random choice will be a matho-file and not a -phobe is 18/23. The probability of the second one is 17/22, and for the third one it's 16/21. The probability of all 3 is 4,896/10,626 = (18x17x16)/(23x22x21). That's 46.1% (rounded).
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What are two ways to find the slope of a line?​
DedPeter [7]

Answer:

m = (y - y)/(x - x)

Rise/run

Step-by-step explanation:

4 0
2 years ago
7. The diagram shows a regular pentagon inscribed inside the rectangle. Find the values of x, y, and z.
Wewaii [24]
<span>regular pentagon sum of interior = (5 - 2) x 180 = 3 x 180 = 540
so
x = 540 / 5 = 108

180 - 108 = 72
y = 72/2 = 36

z = 180 - 90 - 36
z = 54

answer
x = 108, y = 36 and z = 54</span>
3 0
3 years ago
Help me someone please
Andreas93 [3]

Answer:

150

Step-by-step explanation:

since a circle is 360 degrees, add up all of the other degrees and then subtract from 360

7 0
2 years ago
3. A savings account is started with an initial deposit of $500. The account earns 1.5% interest compounded
N76 [4]

I think it is A

Step-by-step explanation:

I think it is A because it says the account earns 1.5 percent

7 0
3 years ago
A piece of copper wire of length 200 m has a diameter of 1.2 mm.
vova2212 [387]

The volume of the copper wire is 226.080 cm³ and the mass of the wire is 2,012.112 g/cm³.

Given that, the length of copper wire=200 m=200000 mm and the diameter of the copper wire=1.2 mm.

We need to find the volume of the copper wire.

<h3>What is the formula to find the volume of the cylinder?</h3>

The formula to find the volume of a cylinder is πr²h.

Now, the volume of the copper wire=πr²h=\frac{22}{7} \times (0.6)^{2} \times 200000=2,26,080 mm³=226.080 cm³

If the density of copper is 8.9 g/cm³, find the mass of the wire.

We know that Density=\frac{Mass}{Volume} }.

⇒8.9 g/cm³=\frac{Mass}{226.080}

⇒Mass=2,012.112 g/cm³

Therefore, the volume of the copper wire is 226.080 cm³ and the mass of the wire is 2,012.112 g/cm³.

To learn more about the volume of the cylinder visit:

brainly.com/question/16134180.

#SPJ1

6 0
1 year ago
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