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Pie
4 years ago
13

Let a , a , be an arbitrary infinite sequence of events, and let b , b , be 12 12 another infinite sequence of events defined as

follows:
Mathematics
1 answer:
Alecsey [184]4 years ago
8 0
So write this and solve your problem.
Pr(Uⁿsubscript i=1 A subscript i) = ∑ⁿ subscript i=1 Pr(Bi) for n=1, 2, 3,.......
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Rick bought 3 shirts for $18.75 each, 2 pair of socks for $3.99 a pair, and a pair of slacks for $45.00. The
SIZIF [17.4K]

Answer:

3 shirt=3×$18.75

=56.25

2 pair shocks =3.99×2

=8

1 pair slacks=45.00

total=109.25

tax=6.75% then;

109.25+6.25%×109.25

109.25+6.25/100×109.25

109.25+0.0625×109.25

109.25+6.28

116.07

5 0
3 years ago
Please help me with only one question. 20 points
Ostrovityanka [42]

Answer:

141.3 cubic inches

Step-by-step explanation:

The volume of a cylinder is found using the volume formula V=\pi r^2h.

The radius is half the diameter 6 which is 3.

Substitute h=5 and r = 3.

V = \pi r^2h\\V = \pi (3^2)(5)\\V=\pi *9*5\\V = 45\pi \\V= 141.3

3 0
3 years ago
Find the sum of the measures of the angles of each polygon ​
Sonja [21]
1080 degrees because it is an octagon
6 0
3 years ago
A quality control inspector samples 2 computer chips from a box containing 13 computer chips. If the box contains 3 defective ch
elena-14-01-66 [18.8K]

Answer:

The number of ways to select a sample of 2 computer chips so that at least one of the chips is defective is 33 ways.

Step-by-step explanation:

The box contains 13 computer chips. Of these 13 chips 3 are defective and 10 are good.

A quality control inspector samples 2 computer chips.

The number of ways to select at least 1 defective chip is:

n (At least 1 defective chip) = n (1 defective chip) + n (2 defective chips)

The number of ways to select 1 defective chip is: {3\choose 1}{10\choose 1}=3\times10=30 ways.

The number of ways to select 2 defective chips is:{3\choose 2}{10\choose 0}=3\times1=3 ways.

n (At least 1 defective chip) = n (1 defective chip) + n (2 defective chips)

                                             = 30 + 3

                                             = 33

Thus, the number of ways to select a sample of 2 computer chips so that at least one of the chips is defective is 33 ways.

5 0
3 years ago
Urgent!! Can anyone help me with this step-by-step
ehidna [41]

Answer:

x = 28

Step-by-step explanation:

It gives you the value of the midsegment, which is 16. So you need to set up the equation as:

x + 4 = 2 × 16

You're multiplying 16 (the midsegment) by 2, because the it is <em>half</em> of x + 4, and you need to be able to set both parts of the equation equal to each other.

x + 4 = 32

Then, subtract 4 from both sides:

x + 4 = 32

   -4     -4

_________

This gives you the answer of:

x = 28

7 0
3 years ago
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