Tuesday

January 24, 2017
Total # Posts: 34

**Science**

Is mushroom, desert, temperature, coral, steak, athletes foot, mold, tree, rocks, dirt, gold, plastic, grapes, turnda Biotic, both, or abiotic

*September 19, 2016*

**Physics**

What is the amplitude of the subsequent oscillations? A=√{mv^2/k} √{1.00*(31^2)/14} A=8.285098499cm

*January 26, 2012*

**math 12**

In his best year, Mickey Mantles batting average was o.365. In that year, what was the probability that he would get exactly 5 hits in 15 times at bat? Compare the results from the normal approximation with the results from a calculation using a binomial distribution

*January 23, 2011*

**math 12**

In a population of 328 snakes at a zoo, it is known that 162 are female. A scientist selected 50 snakes at random to run some tests. What is the probability that the scientist will select at least 30 female snakes?

*January 23, 2011*

**math 12**

A manufacturer of cereal finds that the masses of cereal in a company's 200-g package are normally distributed with a mean of 200g and a standard deviation of 16.3g a) What proportion of these boxes contain between 183.7g and 216.3g of cereal? b) What is the probability ...

*January 19, 2011*

**math 12**

In his best year, Mickey Mantles batting average was o.365. In that year, what was the probability that he would get exactly 5 hits in 15 times at bat? Compare the results from the normal approximation with the results from a calculation using a binomial distribution

*January 19, 2011*

**math 12**

In a population of 328 snakes at a zoo, it is known that 162 are female. A scientist selected 50 snakes at random to run some tests. What is the probability that the scientist will select at least 30 female snakes?

*January 19, 2011*

**math 12**

ok thanks I just wanted to make sure I did it right

*November 28, 2010*

**math 12**

From a deck of 52 cards, how many different four-card hands could be dealt which include one card from each suit?

*November 28, 2010*

**math 12**

Thanks:) I got the same answer

*November 28, 2010*

**math 12**

A committee of students and teachers is being formed to study the issue of student parking privileges. Fifteen staff members and 18 students have expressed an interest in serving on the committee. In how many different ways could a five-person committee be formed if it must ...

*November 28, 2010*

**math 12**

Ok I did that but when I finished, I got a answer that no one took Sociology alone and 74 students records were examined. Can you please check this?

*November 28, 2010*

**math 12**

From 85 Records at D.S. Collegiate, the following data was collected: 12 studied Sociology, Economics and Accounting, 27 studied sociology and accounting, 20 studied economics and accounting, 21 studied economics and sociology, 36 studied sociology, 36 studied economics and 58...

*November 28, 2010*

**math 12**

I do not get the 3^7 wouldn't it be 7^3 because you have seven questions but can can choose to do one of three for each question?

*November 27, 2010*

**math 12**

The members of City Council are to vote yes or no on each of seven issues. In marking a ballot, each councilor has the option of abstaining on as many as six of the issues, but should not abstain in all seven cases. In how many ways can the ballot be marked?

*November 27, 2010*

**math 12**

Seven year-old Sarah has nine crayons; three blue, one red, two green and three yellow. a) In how many ways can she line up the crayons on her desk? b) She is to pick up some of the crayons. How many different choices of some crayons could she make?

*November 27, 2010*

**math 12**

In Lisa's first-year college program she must take nine courses including at least two science courses. If there are five science courses, three mathematics courses, four language courses and five business courses from which to choose, how many different academic programs ...

*November 27, 2010*

**math**

well for the matched pairs part the 7 is the pairs and the 2 is the orders of pairs LR and RL

*November 16, 2010*

**math**

what I did is Total= 14*13=182 Matched pairs=7*2=14 182-14- 168 possibilities

*November 16, 2010*

**math**

Why did you divide the answer from 14*13 by 2?

*November 16, 2010*

**math**

Ryan reaches into his gym bag for a pair of running shoes. If there are seven different pairs of shoes loose in the bag, how many ways can he pick two shoes that do not match?

*November 16, 2010*

**math 12**

Yes I did 39916800X0.57 which is our postage per letter

*November 16, 2010*

**math 12**

A soap company will give away a million dollars to everyone who guesses the order into which they have arranged the letters of the word SUPERCLEANER. Each entry must be in a separate envelope. How much would it cost you in postage to submit all possible entries?

*November 16, 2010*

**math 12**

that's what I got:) Thanks

*November 16, 2010*

**math 12**

Yes I did 10!/3!4!2!

*November 16, 2010*

**math 12**

A man bought two vanilla ice cream cones, three chocolate cones, four strawberry cones and one pistachio cone for his ten children. In how many ways can he distribute the flavors among the children?

*November 16, 2010*

**math 12**

Ryan reaches into his gym bag for a pair of running shoes. If there are seven different pairs of shoes loose in the bag, how many ways can he pick two shoes that do not match?

*November 16, 2010*

**math 12**

The six members of the yearbook staff sit around the circular table in their office. How many different seating arrangements are there of this group of people?

*November 16, 2010*

**math 12**

Find the number of seating arrangements of eight basketball players on a bench if either the one centre or both of the two forwards must sit at the end where the coach always sits.

*November 16, 2010*

**Math11U**

Just a question.. should I have 3 numbers and not only two?

*July 25, 2010*

**Math11U**

A Pythagorean Triple is a set of integers that satisfy the Pythagorean Theorem, c squared= a squared + b squared. 3,4,5 and 5,12,13 are just two of many examples. Find another, that is not a multiple of the one of the two given, using the following formula. n squared- m ...

*July 25, 2010*

**Math11U**

A surveyor in an airplane observes that the angle of depression to two points on the opposite shores of a lake are 32 and 45 degrees, respectively. What is the width of the lake to the nearest metre, at those two points?

*July 21, 2010*

**Math11U**

It's Cos^2(theta) is that the same as csc^(theta)?

*July 21, 2010*

**Math11U**

Cos^2(theta)-3csc(theta)+2 divided by csc(theta)-1

*July 21, 2010*

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