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Deffense [45]
3 years ago
7

three out of four students in school have a least one sibling. If there are 300 students in your school, how many would have a l

east one sibling ​
Mathematics
1 answer:
ladessa [460]3 years ago
6 0

25 I think....      I am sorry if its wrong                      

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X3 - 10 = <br> And x is 6
shtirl [24]

Answer:8

Step-by-stop explanation: (6) x 3 will be 18 - 10 = 8

4 0
3 years ago
Read 2 more answers
When a fair coin is flipped, what is the chance of getting about 50% heads- specifically between 40% and 60% heads for n=10 flip
aleksklad [387]
At at least one die come up a 3?We can do this two ways:) The straightforward way is as follows. To get at least one 3, would be consistent with the following three mutually exclusive outcomes:the 1st die is a 3 and the 2nd is not: prob = (1/6)x(5/6)=5/36the 1st die is not a 3 and the 2nd is: prob = (5/6)x((1/6)=5/36both the 1st and 2nd come up 3: prob = (1/6)x(1/6)=1/36sum of the above three cases is prob for at least one 3, p = 11/36ii) A faster way is as follows: prob at least one 3 = 1 - (prob no 3's)The probability to get no 3's is (5/6)x(5/6) = 25/36.So the probability to get at least one 3 is, p = 1 - (25/36) = 11/362) What is the probability that a card drawn at random from an ordinary 52 deck of playing cards is a queen or a heart?There are 4 queens and 13 hearts, so the probability to draw a queen is4/52 and the probability to draw a heart is 13/52. But the probability to draw a queen or a heart is NOT the sum 4/52 + 13/52. This is because drawing a queen and drawing a heart are not mutually exclusive outcomes - the queen of hearts can meet both criteria! The number of cards which meet the criteria of being either a queen or a heart is only 16 - the 4 queens and the 12 remaining hearts which are not a queen. So the probability to draw a queen or a heart is 16/52 = 4/13.3) Five coins are tossed. What is the probability that the number of heads exceeds the number of tails?We can divide
3 0
3 years ago
What does x+7=2 what does x mean
Ksenya-84 [330]

Answer:-5

Step-by-step explanation:

5 0
3 years ago
Evaluate the expression 3c – d for the given variable. d = -c + 7
s2008m [1.1K]
3c-d
3c-(-c+7)
3c+c-7
4c-7
Final answer: 4c-7
5 0
3 years ago
10.2 = 0.6y what is y
AVprozaik [17]

Answer:

y = 17

Step-by-step explanation:

isolate the variable by dividing each side by factors that don't contain the variable.

6 0
3 years ago
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