Answer:
x = 4
Step-by-step explanation:
Using the sine ratio in the right triangle and the exact value
sin45° = , then using the upper 45°
sin45° = =
=
( cross- multiply )
x = 4
A student prepares for an exam by studying a list of 10 problems. She can solve 8 of them. For the exam, the instructor selects
1 answer:
Answer:
Probability to solve 7 problem will be equal to
Step-by-step explanation:
It is given total number of question = 10
She can solve 8 of them from 10 questions
We have to find the probability that she can solve 7 question
Probability will be equal to ratio of favorable outcome to total sample space
Favorable outcome will be equal to
Total sample space
So probability will be equal to
So probability to solve 7 problem will be equal to
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Answer:
(f +g)(2) = -7
Step-by-step explanation:
Functions are added by adding their values.
<h3>Application</h3>(f +g)(2) = f(2) +g(2)
= (2 -8) +(4(2) -9) . . . . . evaluate f and g with z=2
= -6 +(-1)
(f +g)(2) = -7
