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pochemuha
3 years ago
6

The number of skiers, k, that visited a mountain one day was

Mathematics
1 answer:
Levart [38]3 years ago
3 0

Answer:

k = 11b - 8 (easiest to understand)

extra:

k = -8 + 11b

or

11b = -8 - k

etc. ( anything mixing up the components of the equation ).

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9 x 10^4 scientific notation
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Determine if the following system of equations has no solutions, infinitely many
Vesnalui [34]

Answer:

The system has infinitely many solutions

Step-by-step explanation:

we have

5x+3y=9 ----> equation A

-10x-6y=-18 ----> equation B

Multiply by -2 both sides equation A

-2(5x+3y)=-2(9)

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Compare equation B and equation C

The equations are identical (is the same line)

therefore

The system has infinitely many solutions

Is a consistent dependent system

7 0
3 years ago
Assume the blood type distribution to be A: 41 %, B:9 % , AB: 4%, O: 46 % . What is the probability that the blood of randomly s
Sergio039 [100]

Answer:  a) 50% , and b) 50%.

Step-by-step explanation:

Since we have given that

P(A) = 41%

P(B) = 9%

P(AB) = 4%

P(O) = 46%

Since antigen A or antigen B are independent events.

So, P(A ∪ B) = P(A) + P(B)

P(A\cup B) = 41\%+9\%=50\%

Probability neither the A nor the B is given by

P(A'\cap B')=P(A\cup B)'=1-0.50=0.50=50\%

Hence, a) 50% , and b) 50%.

3 0
3 years ago
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