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3 years ago

7

You have 100 balls and 100 empty boxes. You need to put each of the ball randomly into one of the boxes, what is the expectation

number of the number of empty

1 answer:

prohojiy [21]3 years ago

3 0

You will not have any boxes empty cause there are 100 boxes with 1 ball each equals 100

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1-cos^2 A / sec^2 A - tan^2 A

tiny-mole [99]

I hope this helps you

✔cos^2A+sin^2A=1

✔1-cos^2A=sin^2A

✔cos2A=cos^2A-sin^2A

✔sin2A=2.sinA.cosA

secA=1/cosA

tgA=sinA/cosA

sin^2A/1/cos^2A-sin^2A/cos^2A

sin^2A.cos^2A/cos2A

2.sin^2A.cos^2A/cos2A

sin2A.2.sin2A/cos2A

tg2A.2.sin2A

6 0

3 years ago

The local high school sold 1914 tickets this year to its spring musical. That was 174 more tickets sold than last year. What is

pantera1 [17]

Answer:

.909 (ROUNDED)

Step-by-step explanation:

In order to do this all you need to do is divide the number with the number you got this year, 1914, and with the number last year.

1914-174=1740

1740 was the amount they got last year

Now you want to find the percent difference between the two.

1740/1914=.909090 (Repeats)

So the percent increase would be

.909090

.101010

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3 years ago

Which is the graph of 5x + 4y > 2

NNADVOKAT [17]

Answer:

hola bb como estas dime bb en que te ayudo

Step-by-step explanation:

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3 years ago

Which of the following represents the additive inverse of <img src="https://tex.z-dn.net/?f=2%2F3" id="TexFormula1" title="2/3"

PolarNik [594]

C)-2/3is the answer because when your have 2/3+-2/3 will equal 0 in which justifies the additive inverse

7 0

3 years ago

Read 2 more answers

During a semester, a student received scores of 76, 80, 83,

Fantom [35]

Add all those numbers and divide by 6 will get you 78

5 0

3 years ago