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ollegr [7]
3 years ago
15

Find the mean, variance, and standard deviation. If necessary, round your answer to the nearest hundredth.

Mathematics
1 answer:
storchak [24]3 years ago
4 0

Your answer would be 4.

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Math question please help if you get this right I will mark you as a brainliest
san4es73 [151]

The Law of Cosines would be your best bet here, since the unknown side is opposite the known angle 110 degrees.

|AC|^2 = (8 in)^2 + (23 in)^2 - 2(8 in)(23 in)*cos 110 degrees

= 64 in^2 + 529 in^2 - (368 in^2)*(-0.342)

= 593 in^2 + 126 in ^2 approximately

= 719 in^2 approximately

Then the length of side AC is approx. √(716 in^2) = 27 in

3 0
3 years ago
X+19=0 ?<br>please help me​
vovikov84 [41]

Answer:

x = - 19

Step-by-step explanation:

Given

x + 19 = 0 ( subtract 19 from both sides )

x = - 19

7 0
3 years ago
What are the odds of picking 26 consecutive bingo balls out of a bag and not drawing any Bs, each letter of bingo has 15 balls,
Bezzdna [24]

Answer:

0.00069104  approximately.

Step-by-step explanation:

You must first calculate the probability of not taking a ball with the letter B.

It would be the sum of the probabilities of taking I, N, G and O.

The probability of getting the letter I would be 15/75, that is 1/5. The same would be for the letter N, G and O. Since the 4 probabilities are equal.

Therefore it would remain (1/5) * 4 = 4/5.

Then the probability of not drawing a letter B would be 4/5.

However, in the case that it does not go out for 26 balls and that the ball that was taken out is not taken into account. It would be the multiplication of all events, that is:

(60/75) * (59/74) * (58/73) * (57/72) * ... * (35/50)

 The result would be 0.00069104  approximately.

8 0
3 years ago
4.8n-1.4-6=4.12 with work
Kitty [74]
-1.4-6=-7.4
4.12+7.4=11.52
4.8n=11.52
11.52 ÷ 4.8n=2.4
n=2.4
7 0
3 years ago
I need this ASAP please!!
mihalych1998 [28]
I DONT SEE A PHOTO YOU MIGHT NEED TO ASNN ON AGAIN
6 0
3 years ago
Read 2 more answers
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