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xz_007 [3.2K]
3 years ago
6

How to do it this question

Mathematics
1 answer:
PtichkaEL [24]3 years ago
7 0

Answer:

701000000


Step-by-step explanation:

google

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What is y to the 2 power = 81
iren [92.7K]

Answer:9

Step-by-step explanation:

6 0
3 years ago
What is the volume of a right circular cylinder with a radius of 5 cm and a height of 12 cm?
aalyn [17]

Answer:

942.48

Step-by-step explanation:

use the formula v=bh

step 1:find base use the formula to find the area of the circle

step 2:then multiply your answer of base with your height

like this \pi5^{2}then 78.59(12)

4 0
3 years ago
Suppose that the probabilities of a customer purchasing​ 0, 1, or 2 books at a book store are 0.20.2​, 0.30.3​, and 0.50.5​, res
PIT_PIT [208]

Answer:

0.78

Step-by-step explanation:

We have the next probability distribution:

X            P(X)

0            0.2

1             0.3

2            0.5

As we can see when we add all the probabilites the result is 1. Now calculating the mean we have:

mean=\mu=(0\times0.2)+(1\times 0.3)+(2\times 0.5)=0+0.3+1=1.3

The standard deviation is:

\sigma=\sqrt{\sum(x-\mu)^{2}(P(x))}

Then using the data that we have:

\sigma=\sqrt{\sum(x-\mu)^{2}(P(x))}\\\sigma=\sqrt{(0-1.3)^{2}(0.2)+(1-1.3)^{2}(0.3)+(2-1.3)^{2}(0.5)}\\\\\sigma=\sqrt{(-1.3)^{2}(0.2)+(-0.3)^{2}(0.3)+(0.7)^{2}(0.5)}\\\\\sigma=\sqrt{(1.69)(0.2)+(0.09)(0.3)+(0.49)(0.5)}\\\\\sigma=\sqrt{0.338+0.027+0.245}\\\\\sigma=\sqrt{0.61}\\\\\sigma=0.78\\

Then the standard deviation is 0.78

6 0
3 years ago
What is the base of a triangle that has a height of 6 centimeters and an area of 18 centimeters?
Alik [6]
A=1/2×b×h
18=1/2×b×6
18=3×b
b=6
6 0
3 years ago
Read 2 more answers
1/71 in multiplication inverse
Cloud [144]

Answer:

71

Step-by-step explanation:

1/71 * ? = 1

1/71 * x =  1  [consider 'x']

x = 1/(1/71)

x = (1/1)/(1/71)   [1 = (1/1)]

x = (1/1)* (71/1)

x = 71.

Hope you're satisfied.

8 0
3 years ago
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