Showing posts with label deancarlo709. Show all posts
Showing posts with label deancarlo709. Show all posts

Sunday, January 23, 2011

Answering Mary's question

Mary's question:
What is the probability on spinning
p(YELLOW) on my spinner?Express
your answer in a fraction, percent, and ratio.


My answer.
Fraction: 2/8
Percent:25%
Ratio:2:8

Probability Notes

The likelihood or chance of an event occurring something happening.

Probability is Favourable outcomes over Possible outcomes.

Favourable outcomes
_______________

Possible outcomes

Probability can be expressed as a fraction, ratio or percent.

Favourable outcome is a successful result in a probability experiment.

Possible outcome is one possible result of a probability.


Heres a link to help you learn probability.

Wednesday, November 3, 2010

Question for 18 and 22.

18. An package of 500 sheets of paper has a measured height of 51.5 mm.

Question: A) Estimate the thickness of a sheet of paper.

Answer: I estimate that the thickness of a sheet of paper is 0.1 mm.

Question:B) Is the actual thickness of a sheet of paper greater or less than your estimate?
how you know.

Answer: The actual thickness of a sheet of paper is greater the estimated one.Because i rounded 51.5 to 52


22) kyle entered in a snowmobile race.He has to do 5 laps on a 6.37-km course.His time for each lap is 1.35 min, 1.27 min,1.23 min, and 1.22 min.

Question: A) How long does it take him to do 5 laps?
Answer: It take 6.49 mins to finish 5 laps.

Question: B) What is his average speed? Round your answer to the neareast hundreth.
Answer: His average speed is 1.29.

Monday, October 18, 2010

Correction for number 7


Question:
From the origin,where would you move to plot the ordered pair (4,0)?
a)up 4 units c)left 4 units
b)right 4 units d)down 4 units

Answer:
The answer is: B right 4 units


I hope this things help you!