7. You lose three points each time you answer
2 answers:
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Answer:
Step-by-step explanation:
We are given the equation:
First, we can divide everything by 2:
Notice that we have an equation in quadratic form. Namely, if we make a substitution where u = sin(x), we acquire:
Solve for u. Factor:
Zero Product Property:
Solving for both cases:
And by substitution:
For the first case, recall that sin(x) is -1/2 for every 7π/6 and every 11π/6. Hence, for the first case, our solutions are:
Where n is an integer.
For the second case, sin(x) is -1 for every 3π/2. Thus:
All together, our solutions are:
Answer:
Step-by-step explanation:
Given
Required
Determine the probability of 1 orange, 1 apple and 1 banana
Since, order is not important:
<em>The difference in the numerator is as a result of picking the fruit without replacement</em>