Ellen rotated triangle ABC 90° clockwise around point A to form triangle ACD and rotated triangle ABC 180° clockwise around poin
1 answer:
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The answer is:
The simplified fraction is:
To solve this problem we must remember the following:
- Addition or subtraction of fractions, we add or subtract fractions by the following way:
- Product of fractions, the multiplication of fraction is linear, meaning that we should multiply the numerator by the numerator and denominator by denominator, so:
- Convert mixed number to fraction,
So, solving we have:
Hence, the simplified fraction is:
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Answer:
Step-by-step explanation:
Given that the mean incubation time for a type of fertilized egg kept at a certain temperature is 25 days.
Let X be the incubation time for a type of fertilized egg kept at a certain temperature is 25 days.
X is N(25, 1)
a) Normal curve is in the attached file
b) the probability that a randomly selected fertilized egg hatches in less than 23 days
=
we convert x into Z score and use std normal distn table to find probability
i.e. we can say only 2.5% proportion will hatch in less than 23 days.
