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dexar [7]
3 years ago
14

A container contains balls numbered from 1 through 55. A ball is drawn randomly and replaced. Then a second ball is drawn random

ly. What is the probability that the first ball is number 9 and the second ball is number 41?
Mathematics
1 answer:
Maru [420]3 years ago
7 0

Answer:

1/3025

Step-by-step explanation:

Prob. of getting a 9 is 1/55; likewise for 41. multiply the 2 probs. together. (1/55)^2=1/3025≈0.00033057851

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Answer:

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What is y=2x+4 and 3x+y=9 substitution method
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You plug in 2x + 4 into the y for the other equation (3x +y ) and solve for it
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3 years ago
If 5<2x+3<11, what is the possible range of value of -4x-6
Lady bird [3.3K]

Answer:

-10 > (-4x - 6) > -22

Step-by-step explanation:

Given inequality is 5 < 2x + 3 < 11

Now we will multiply this inequality by (-2) resulting,

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4 0
3 years ago
15. Find the force on an electron crossing a uniform magnetic field of intensity 0.5 T WILII
EleoNora [17]

Answer:

F = 8.48 x 10^{-18} N

Step-by-step explanation:

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F = qvB Sin θ

where: e is the electron, v is its velocity, B is the measure of the magnetic field, and θ is the angle of its path.

Thus,

q = -1.6 x 10^{-19} C

v = 106 m/s

B = 0.5 T

θ = 90^{o}

So that,

F = 1.6 x 10^{-19} x 106 x 0.5

  = 8.48 x 10^{-18} N

The force on the electron crossing the uniform magnetic field is 8.48 x 10^{-18} N.

8 0
3 years ago
Given the following function, find f(-2), f(0), and f(1).<br> f(x) = x2 + 3<br> =
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7 0
2 years ago
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