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creativ13 [48]
3 years ago
11

In a certain Algebra 2 class of 28 students, 23 of them play basketball and 12

Mathematics
1 answer:
erica [24]3 years ago
3 0

Answer:

5/14

Step-by-step explanation:

P(A or B) = P(A) + P(B) − P(A and B)

25/28 = 23/28 + 12/28 − P(A and B)

P(A and B) = 10/28

P(A and B) = 5/14

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A store owner buys cell phones for $40 and marks up the price by 20%. Explained how to find the price at which she sells the cel
Gala2k [10]
Well depending on how you look at you could do $40 plus that extra 20% and since you said that means to add you would do the same price. as the actual price before you add that thirty 20% so you would add 40 plus 40 equals 80. If you did 25% the you would add 40 and 40 which is 80 and that's 20%out of 25% and add 5 to 80 and you get $85.
5 0
3 years ago
What is the theoretic probability that if you flip two coins that they will both land on heads
drek231 [11]
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6 0
3 years ago
Which expression is equivalent to 5!<br> 5^4*3^2<br> 5-4-3-2-1<br> 5.4.3-2.1<br> 5+4+3+2+1<br> 5.1
baherus [9]
The first one is like 5x5x5x5 which is 625 multiplied by 3x3 which is 9 and together the product will be 5,625.

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The third one is kind of messed up because there’s no such thing as 5.4.3 so sorry I can’t do that one.

The fourth one is 15 because you basically add the numbers up.

And the fifth is not 5. It’s 5.1 so that’s not it either.

So I’m sorry I can’t find the answer but at least I have you some background :/

6 0
3 years ago
Can someone help i’m taking an super important test &amp; i need to pass it :(
kozerog [31]

Answer:

What is it about?

Step-by-step explanation:

First you must poop in the toilet and then the second step is that your done.

4 0
2 years ago
A teacher and a doctor each have 45 books. If 4/5 f the teacher's books and 2/3 of the doctor's books are novels, how many more
Anarel [89]

Answer:

3/5

Step-by-step explanation:

8 0
3 years ago
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