Mathematics, 24.05.2020 02:00 janny48
The probability that it will be hot today is 0.4, the probability that it will be hot tomorrow is 0.5 and the probability it is hot both days is 0.2. What is the probability that it will be hot today or tomorrow?
a. 0.7
b. 0.11
c. 0.9
d. 0
Answers: 3
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Which expression demonstrates the use of the commutative property of addition in the first step of simplifying the expression (-1+i)+(21+5i)+0
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The value of x in this system of equations is 1. 3x + y = 9 y = –4x + 10 substitute the value of y in the first equation: combine like terms: apply the subtraction property of equality: apply the division property of equality: 3x + (–4x + 10) = 9 –x + 10 = 9 –x = –1 x = 1 what is the value of y?
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Arock was dropped from the top of a building. the function that describes the height after it was dropped is f(x)=64-16x^2. what are the zeros of the function and what do they mean?
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The probability that it will be hot today is 0.4, the probability that it will be hot tomorrow is 0....
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