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Marizza181 [45]
3 years ago
9

Hey guys can u please help me

Mathematics
2 answers:
klasskru [66]3 years ago
7 0

Answer:

5

Step-by-step explanation:

san4es73 [151]3 years ago
7 0
K= 5 because 6*3 is 18 and you multiply the top by 3 as well
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According to the general equation for conditional probability, if P(A n B) = 3/10 and P(B)= 2/5 what is p(alb)
Natali5045456 [20]

Answer:

P(A given B) = 3/4

Step-by-step explanation:

As we know that it is conditional probability, where the probability of an event depends on the event that has certain probability of occurrence.

The formula for conditional probability is:

P(A given B) = P(A ∩B) / P(B)

Where a and B are events. The probability of event B is known and we also know probability of A∩B

So, putting the values in the formula:

P(A\ given\ B) = \frac{P(A and B)}{P(B)}\\= \frac{\frac{3}{10} }{\frac{2}{5} } \\=\frac{3}{10} *\frac{5}{2}\\=\frac{3}{4}

So, the probability of A given B is 3/4 ..

3 0
3 years ago
There are (49)5 • 40 books at the library. What is the total number of books at the library? (4 points)
madreJ [45]
5 times 40 times 49 equals 9800 because you do 5 time 4 and that's 20 and you add a 0 and you multiply by 49 to get 9800.
5 0
3 years ago
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I need that answer assssapppp​
Contact [7]
Answer is C. Y intercept is 3. The slope is 2/3x.
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3 years ago
A dollar bill is worth _____ pennies. When written in decimal format, each penny can be written as ______ of a dollar.
VMariaS [17]
A dollar bill is worth 500 pennies. 1$ = 100 pennies.
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3 years ago
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180=112+9x+5. Whats the value of X and why?
vovangra [49]

Answer:x=7

Step-by-step explanation:

180=112+9x+5

Collect like terms

180-112-5=9x

63=9x

Divide both sides by 9

63/9=9x/9

7=x

x=7

5 0
3 years ago
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