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KengaRu [80]
3 years ago
8

How many wires are need to build a circuit A. one B.2 C.3 explain

Mathematics
1 answer:
anastassius [24]3 years ago
3 0
The answer is B. Two wires are needed
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A company is bidding on two projects, A and B. The probability that the company wins project A is 0.40 and the probability that
kondaur [170]

Answer:

Probability that the company wins project A or project B is 0.50.

Step-by-step explanation:

We are given that a company is bidding on two projects, A and B. The probability that the company wins project A is 0.40 and the probability that the company wins project B is 0.25.

Also, Winning project A and winning project B are independent events.

Let the Probability of winning project A = P(A) = 0.40

            Probability of winning project B = P(B) = 0.25

<u>Now, as we know that ;</u>

Probability that the company wins project A or project B = P(A \bigcup B)

              P(A \bigcup B) = P(A) + P(B) -  P(A \bigcap B)

So, we have to find the value of Probability of winning project A and B, i.e;

P(A \bigcap B)

<em>Since, we are given that Winning project A and winning project B are independent events which means when this condition is given then;</em>

                    P(A \bigcap B) = P(A) \times P(B)

                                    = 0.40 \times 0.25 = 0.10

Now, Probability that the company wins project A or project B is given by;

                 P(A \bigcup B) = P(A) + P(B) -  P(A \bigcap B)  

                                  = 0.40 + 0.25 - 0.10

                                  = 0.65 - 0.10 = 0.55

Hence, probability that the company wins project A or project B is 0.50.

3 0
2 years ago
It takes 15 men, 48 days to weed a plot of land. How
Simora [160]

Answer:

it takes 48 days for 15 men to work

it takes 16 days for 15/48*16

the answer is 5 men

3 0
1 year ago
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Which of the following is a solution of x^2 - 2x = -8?
Zina [86]
X^2-2x=-8  add 1 to both sides

x^2-2x+1=-7  now the left side is a perfect square

(x-1)^2=-7  take the square root of both sides

x-1=±√-7  add 1 to both sides

x=1±√-7 which is

x=1±i√7  so

x=1+i√7 and 1-i√7
6 0
2 years ago
Convert into standard notation
Misha Larkins [42]

Answer:

I have no idea waht your talking about.

Please explain.

Step-by-step explanation:

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A = 2x + 100, g = 4x + 70, x =<br><br> Type of angle pair__ relation__
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The answer is probably (915) + x
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