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Nataliya [291]
3 years ago
5

An oil exploration company currently has two active projects, one in asia and the other in europe. let a be the event that the a

sian project is successful and b be the event that the european project is successful. suppose that a and b are independent events with p(a) 5 .4 and p(b) 5 .7.
a. if the asian project is not successful, what is the probability that the european project is also not successful? explain your reasoning.
b. what is the probability that at least one of the two projects will be successful?
c. given that at least one of the two projects is successful, what is the p
Mathematics
1 answer:
elena-s [515]3 years ago
6 0
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Williiam lost 25% of his marble,gave 1/6 of the remainder to his.Brother and had 120 marbles left.How many marbles did he have a
bija089 [108]

Answer:

Number of marbles with Williams at the starting = 192

Step-by-step explanation:

Let total number of marbles with Williams = m

He lost marbles = 25% of the total number

                           = \frac{25}{100}\times m

                           = \frac{m}{4}

Remaining marbles with Williams = m - \frac{m}{4}

                                                        = \frac{3m}{4}

He gave marbles to his brother = \frac{1}{6}th of the remaining marbles

                                                    = \frac{1}{6}\times \frac{3m}{4}

                                                    = \frac{m}{8}

Remaining marbles after giving marbles to his brother = 120

Therefore, \frac{3m}{4}-\frac{m}{8}=120

\frac{6m}{8}-\frac{m}{8}=120

\frac{5m}{8}=120

m = \frac{120\times 8}{5}

m = 192

Number of marbles with Williams at the starting = 192

5 0
3 years ago
If 4x-3<32, Which of the following are solutions: 26/3, 9.1, 20, or -6?
ValentinkaMS [17]
The answer is :
4x - 3 < 32 \\ 4 x < 32 + 3 \\ 4 x < 35 \\ x <  \frac{35}{4}  \\
x < 8.75
and the only number among the choices that is less than 8.75 is -6
hope it's true
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3 years ago
Food A contains 150 calories in 3/4of a serving. Food B contains
nadya68 [22]
Food A has fewer calories per serving.

I found this by taking the first food (A) and dividing 150 by 3. This gave me 50, which I added onto 150 to give me my 4/4 of a serving (200 calories).

With food B, I did the same process. I took 250/2 and added that to the original amount to get the final third of the serving, which resulted in food B being 375 calories.
8 0
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3 + x + x = 15<br> Just need a simple answer and explanation thank you
klemol [59]

Answer:

6

Step-by-step explanation:

3+x+x=15

3+2x=15

2x=15-3

2x=12

x=12/2

x=6

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What does the term American Dream mean to you?
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