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Zinaida [17]
3 years ago
12

Will mark brainliest

Mathematics
1 answer:
MrMuchimi3 years ago
5 0

Answer:

i think addition

..........

Step-by-step explanation:

.

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Problem 1: Given the following probabilities P(Ac) = 0.45, P(B) = 0.34, and P(B|A) = 0.23. Find the following probabilities:
-BARSIC- [3]

Answer:

P(A)=0.55

P(A and B)=P(A∩B)=0.1265

P(A or B)=P(A∪B)=0.7635

P(A|B)=0.3721

Step-by-step explanation:

P(A')=0.45

P(A)=1-0.45=0.55

P(B∩A)=?

P(B|A)=0.23

P(B|A)=(P(A∩B))/P(A)

0.23=(P(A∩B))/0.55

P(A∩B)=0.23×0.55=0.1265

P(A∪B)=P(A)+P(B)-P(A∩B)

=0.55+0.34-0.1265

=0.7635

P(A|B)=[P(A∩B)]/P(B)=0.1265/0.34 ≈0.3721

8 0
3 years ago
Which has more liquid ,1 gallon of milk or a 12 pack of mountain Dew? how much more?
tatuchka [14]
It depends on the size of Mountain Dew bottles! It differs whether it is a 12 oz or a 16 oz bottle. I need more information to solve it. 
7 0
3 years ago
S varies directly as t. if s is 20 when t is 4 then t is ____ when s is 30
Oliga [24]

Answer:

6

Step-by-step explanation:

We are doing unit rate.

Unit rate is when you get the value for 1 of the variables. In this, we would want to get the value for t. We do\frac{20}{4}=5 to find the t value. Now we do \frac{30}{5}=6 to find the value of the missing t. T=6.

Hope it Helps!

5 0
4 years ago
Read 2 more answers
Find 3/10 of 5/9 in simplest form
Paladinen [302]

Answer:

1/6

Step-by-step explanation:

5 0
3 years ago
One side of a kite is 8 cm less than four times the length of another side. The perimeter of the kite is 78 cm. Find the lengths
Yuliya22 [10]

Answer:

9.4\:\mathrm{cm},\\9.4\:\mathrm{cm},\\29.6\:\mathrm{cm},\\29.6\:\mathrm{cm}

Step-by-step explanation:

A kite consists of two pairs of congruent adjacent sides. Therefore, we have the following equation:

2x+2(4x-8)=78, where x is the length of the shorter sides.

Solving, we get:

2x+8x-16=78,\\10x=94,\\x=\fbox{$9.4\:\mathrm{cm}$}.

Plugging in x=9.4 into 4x-8, we get:

4(9.4)-8,\\37.6-8,\\\fbox{$29.6\:\mathrm{cm}$}.

Therefore, two sides have length 9.4\:\mathrm{cm} and two sides have length 29.6\:\mathrm{cm}.

3 0
3 years ago
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