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Sonbull [250]
3 years ago
13

Really need help with these maths questions.

Mathematics
1 answer:
Archy [21]3 years ago
5 0

Answer:

121

Step-by-step explanation:

it is what it is

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A box contains fifteen billiard balls, numbered 1 through 15. Anna draws a ball, records the number, and then returns it to the
Drupady [299]

The correct end part of the question says;

Find the probability of rolling an even number "then" an odd number

Answer:

Probability of rolling even, then odd = 56/225

Step-by-step explanation:

Now, the numbers are from 1 to 15.

Since we want find probability of even, then odd number, let's list all the even numbers first;

Even numbers from 1 to 15 are;

2, 4, 6, 8, 10, 12, 14

Odd numbers from 1 to 15 are;

1, 3, 5, 7, 9, 11, 13, 15

So, we have 7 even numbers and 8 odd numbers.

Probability of even is = 7/15

Probability of odd is = 8/15

Thus,probability of rolling even, then odd is;

P(even, then odd) = 7/15 x 8/15 = 56/225

6 0
4 years ago
Find the standard deviation for the following data (20, 30, 38, 40)
Pepsi [2]
C) 7. 133 I believe.....
5 0
3 years ago
an apple is cut into 10 pieces. 0.8 of the apple is eaten. which fraction ,in simplest form ,represents the amount of the apple
nika2105 [10]
The apple is cut into 10 pieces so each piece is 1/10 of the apple. 1/10=.1; .8=8/10 so 8 pieces are eaten. 2 pieces are left which is 2/10 of the apple which simplifies to 1/5 because 2 and 10 are both divisible by 2. 2 divided by itself is 1 and 10 divided by 2 is 5. So the amount of the apple left in simplest form of a fraction is 1/5.
5 0
3 years ago
Read 2 more answers
4. What's the area of the above figure, which has sides of length 6 and 8?
ANTONII [103]

Answer:

48

Step-by-step explanation:

To get the area of anything you multiply the width by the length.

6×8=48

4 0
3 years ago
PLEASE HELP, I ONLY NEED HELP WITH THE FIRST,SECOND,AND THIRD CAMERA. THAT FOR SOME REASON IS HARD.
svp [43]

Answer:

3 , 2, 1/5

the third takes the images the quickest

Step-by-step explanation:

5 0
3 years ago
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