Answer:
7.81 dollars
Step-by-step explanation:
20 which was given to
take away the cost of the bill of 12.19
which will give you how much change you will need to give back
Answer:
6.4/7.7 is the ratio
Step-by-step explanation:
The bottom triangle matches the 50 40 90 angle, so the ratio of the triangle length is consistent
- Gage Millar, Algebra 2 tutor
The period of the y=1/2 sin (2x)-3 is 2.
We have given that,
y=1/2 sin (2x)-3
We have to determine the period
<h3>
What is the period?</h3>
A period is the part of the menstrual cycle when a woman bleeds from her vagina for a few days.
Normally the period of sin(2x) is 2x, but the pi inside the sin(2x) is a horizontal compression by a factor of 1/pi.
So 2pi·1/pi = 2
The 1/2 and -3 do not impact the period. Those just impact the amplitude (vertical aspect) of the graph.
To learn more about the period visit:
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Answer:
The probability that all nine references are still good two years later is P(all nine are still good)=0.29.
The assumption we have to make is that the occurrence of the site references in the paper are independent events.
Step-by-step explanation:
The assumptions we have to make about the papers is that their probabilities of survival are independent of each other. This is the same as saying: The occurrence of the site references in the paper are independent events.
The probabilities of survival of any reference is:
The probability of the nine references are still good later can be calculated as:
The probability that all nine references are still good two years later is P=0.29.
