I need help with all of these plz some one help
1 answer:
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Answer:
The correct option is A) 3 square inches; .
Step-by-step explanation:
It is given that the length of the frame is (2x-3) and the width is (x-2)
The area of the rectangle is:
Where, A is the area l is the length and w is the width of the rectangle.
Put and
in the area of the rectangle.
The area of the frame expressed as a polynomial is .
Now substitute x=3 in .
The area of the frame is 3 square inches.
Hence, the correct option is A) 3 square inches; .
The probability of a negative result for a batch will be "0.3487".
Given values are:
Positivity rate,
- p = 10% or, 0.1
Batch size,
- n = 10
Now,
The probability of negative result will be:
→
By substituting the values, we get
→
→
→
Thus the answer above is right.
Learn more about the probability here: