# Posts by Twg

Total # Posts: 82

**business**

What keys or tips can raise suspicion about the validity of arguments, presented verbally and in writing? Not sure if I understand correctly...

*May 12, 2012*

**GEOMETRY**

what figures would you use to satisfy each combination of congruences listed? (For figures that correspond under translation congruent,rotation congruent or reflection congruent). How would I even begin????

*August 25, 2009*

**GEOMETRY**

thank you it was very helpful!!

*August 25, 2009*

**GEOMETRY**

What characteristics help you determine whether a polyhedron is regular or irregular? I've put Irregular polyhedrons in my search engine and didn't come up with much. can someone help me?

*August 25, 2009*

**GEOMETRY**

Does the following condition ensure that a quadrilateral is a parallelogram? Both pairs of opposite sides are congruent. yes or no

*August 20, 2009*

**GEOMETRY**

A quadrilateral is a _________ if and only if all of its sides are congruent and its diagonals are congruent

*August 20, 2009*

**GEOMETRY**

Thanks!

*August 20, 2009*

**GEOMETRY**

. A parallelogram is a _________ if and only if its diagonals are congruent.

*August 20, 2009*

**GEOMETRY**

Thank you.

*August 20, 2009*

**GEOMETRY**

True or false? Any two concurrent lines are coplanar

*August 20, 2009*

**GEOMETRY**

Oh, I get it now....thank you!

*August 20, 2009*

**GEOMETRY**

by the website that you provided I think that it would be false.

*August 20, 2009*

**GEOMETRY**

True or false? A quadrilateral can have more than one acute interior angle

*August 20, 2009*

**MATH Prob.**

I see how you got that but my choices are A. 6 B. 512 C. 56 D. 336 I don't understand it.

*August 20, 2009*

**MATH Prob.**

There are 8 members on a board of directors. If they must form a subcommittee of 3 members, how many different subcommittees are possible?

*August 20, 2009*

**MATH Prob.**

There are 6 contestants in a singing competition. How many different ways can first, second, and third place be awarded?

*August 20, 2009*

**MATH Prob.**

How many different ways can a teacher line up 5 students for lunch?

*August 20, 2009*

**MATH Prob.**

Determine whether the situation calls for a discrete or continuous random variable. A)the cost of a random selected orange B)the Ph level of shampoo

*August 20, 2009*

**MATH Prob.**

What is the expected value of one 700 tickets in a raffle for a prize of $1400?

*August 20, 2009*

**MATH Prob.**

When a single card is drawn from an ordinary 52-card deck, find the odds in favor of getting the 4 of spades.

*August 20, 2009*

**GEOMETRY**

so the opposite legs are the same in length even though they cross each other. That's the answer?

*August 19, 2009*

**GEOMETRY**

ok, is it because the legs are the same size??

*August 19, 2009*

**GEOMETRY**

level to doesn't it?

*August 19, 2009*

**GEOMETRY**

The legs of an ironing board are equal in length and bisect each other at the point where they cross. What generalization about parallelograms ensures that the ironing board will always be parallel to the floor, regardless of the height of the board above the floor?

*August 19, 2009*

**GEOMETRY**

The length of a median of a triangle is 36 units. Describe the location of the centroid on that median.

*August 19, 2009*

**GEOMETRY**

The skipper of a boat knows that the water is too shallow to bring his boat inside a “danger semicircle” that goes from lighthouse to lighthouse. How can the angle between his sightings of the two lighthouses help him decide when he is entering the danger zone?

*August 19, 2009*

**MATH Prob.**

Three angles of a quadrilateral each measures 87*(degrees)..what is the measure of the fourth angle??

*August 19, 2009*

**comp 140**

Always ask the instructor on information that you are not sure of. Classmates can be helpful but would you want to get the information from your teacher first then ask if classmates had any problems understanding the assignment??

*August 14, 2009*

**POS**

my question is this.......what are some examples back then and now of some events that reflect on equality towards people?

*August 13, 2009*

**POS**

Consider the phrases ―A belief in equal rights has often led to the belief in equality of opportunity;‖ and ―American society does not emphasize equal results or equal rewards;‖Explain these conceptions of equality in 200 to 300 words. Include examples ...

*August 13, 2009*

**PROBABILTY**

WHAT IS AN EXAMPLE OF DISCRETE DISTRIBUTION AND CONTINUOUS DISTRIBUTIONS?

*August 12, 2009*

**MATH Prob.**

Suppose that pizzas can be ordered in four sizes (small, medium, large, and Illini-size), with three crust choices (thin, thick, and Chicago style), four choices of meat (sausage, pepperoni, hamburger, and none) and two types of cheese (regular or double). How many different ...

*August 12, 2009*

**MATH Prob.**

A jar contains four marbles, each a different color: red, blue, green, and yellow. If you draw two marbles from the jar, one after another, replacing the first before drawing the second, what is the probability of getting a. two red marbles? b. a red marble on the first draw ...

*August 12, 2009*

**MATH Prob.**

Estimate the number of personally constructed greeting cards possible at a machine if there are 12 designs, 30 messages, 18 closings, and 10 different paper stocks on which to print the card. Indicate how you made your estimate. How valid was your estimate?

*August 12, 2009*

**MATH Prob.**

A student asks, “What’s wrong with the argument that the probability of rolling a double 6 in two rolls of a die is 1/3 because 1/6 + 1/6 = 1/3?" Write an explanation of your understanding of the student’s misconception.

*August 12, 2009*

**MATH Prob.**

A ship carries exactly 10 different signal flags. If each possible combination and ordering of 4 of these flags connotes a specific message, how many signals can be sent with these flags, taken 4 at a time?

*August 12, 2009*

**MATH Prob.**

Five numbers are to be picked, without repetition, from 44 numbers to determine the winner of the Fortune Five game in the state lottery. If the order of the numbers is insignificant, how many different ways can a winning quintuple be selected? What is the probability of winning?

*August 12, 2009*

**MATH Prob.**

A class elects two officers, a president and a secretary/ treasurer, from its 12 members. How many different ways can these two offices be filled from the members of the class?

*August 12, 2009*

**MATH Prob.**

How many batting lineups of the nine players can be made for a baseball team if the catcher bats first, the shortstop second, and the pitcher last?

*August 12, 2009*

**MATH Prob.**

How many 4-character license plates are possible with 2 letters from the alphabet followed by 2 digits, if repetitions are allowed? if repetitions are not allowed?

*August 12, 2009*

**MATH Prob.**

Battery Power Problem. A certain type of thermal battery for an airplane navigation device backup power has a mean life of 300 hours with a standard deviation of 15 hours. What proportion of these batteries can be expected to have lives of 322 hours or less? Assume a normal ...

*August 12, 2009*

**MATH Prob.**

A study of motor vehicle rates in the 50 states reveals that traffic death rates (deaths per 100 million motor vehicle miles driven) can be modeled by the normal curve. The data suggest that the distribution has a mean of 5.3 and a standard deviation of 1.3. Sketch the normal ...

*August 12, 2009*

**MATH Prob.**

I don't know if I got it right but my answer was 0.005422 in the top calculator and for the bottom it was 0.05. Is that correct?

*August 12, 2009*

**MATH Prob.**

The mean systolic blood pressure of adult males is normally distributed with a mean of 138 (millimeters of mercury) and a standard deviation of 9.7. What percent of adult males have blood pressure between 161.28 and 164.9?

*August 12, 2009*

**MATH Prob.**

you completely lost me when you responded and put 0.138*1 in your reply. May I ask where did you get 0.138?

*August 12, 2009*

**MATH Prob.**

The number of accidents that occur at the intersection of Pine and Linden streets between 3 p.m. and 6 p.m. on Friday afternoons is 0, 1, 2, or 3, with probabilities of 0.84, 0.13, 0.02, and 0.01, respectively. Graph this probability distribution. What is the expected value ...

*August 12, 2009*

**MATH Prob.**

In each case, consider what you know about the distribution and then explain why you would expect it to be or not to be normally distributed. a. The wealth of the parents of students attending your school b. The values that a group of fourth-grade students would give for the ...

*August 11, 2009*

**MATH Prob.**

I can't figure out what the other numbers will be.

*August 11, 2009*

**MATH Prob.**

The game of dots is played by rolling a fair die and receiving $1 for each dot showing on the top face of the die. What cost should be set for each roll if the game is to be considered a fair game?

*August 11, 2009*

**MATH Prob.**

Sam bought 1 of 250 tickets selling for $2 in a game with a grand prize of $400. Was $2 a fair price to pay for a ticket to play this game?

*August 11, 2009*

**MATH Prob.**

On a TV game show, the contestant is asked to select a door and then is rewarded with the prize behind the door selected. If the doors can be selected with equal probability, what is the expected value of the selection if the three doors have behind them a $40,000 foreign car...

*August 11, 2009*

**MATH Prob.**

What are the odds in favor of getting at least one head in three successive flips of a coin?

*August 11, 2009*

**MATH Prob.**

What are the odds in favor of drawing a spade and a heart if drawing from a deck of cards w/o replacement?

*August 11, 2009*

**MATH ELE.**

Thank you very much!!!

*August 11, 2009*

**MATH ELE.**

What is the difference between combination snd permutations in Elementary math??

*August 11, 2009*

**MATH Prob.**

thanks

*August 9, 2009*

**MATH Prob.**

Find the probability of correctly answering the first 4 questions on a multiple choice test if random guesses are made and each question has 3 possible answers. A) 4/3 B) 1/81 C)1/64 D)3/4 I automatically think D.

*August 9, 2009*

**MATH Prob.**

I still do not get it. I took (7-1)/17= and I got 0.352 but the answers that I have to choose from are a) 0.485 b) 0.154 C) 0.515 D) 0.548 I am lost!!!

*August 8, 2009*

**MATH Prob.**

I don't understand.

*August 8, 2009*

**MATH Prob.**

but how is the answer in decimals??

*August 8, 2009*

**MATH Prob.**

a bag contains 7 red chips and 10 blue chips. Two chips are selected randomly without replacement from the bag. what is the probability that both chips are red??

*August 8, 2009*

**MATH Prob.**

So if there are 26 black cards in a deck you would take 26/52*24/50 right??

*August 8, 2009*

**MATH Prob.**

You are dealt two cards successively without replacement from a standard deck of 52 playing cards. Find the probability that both cards are black.

*August 8, 2009*

**MATH Prob.**

Find the probability of correctly answering the first 4 questions on a multiple choice test if random guesses are made and each question has 3 possible answers.

*August 8, 2009*

**MATH Prob.**

Two cards are drawn without replacement from an ordinary deck of 52 playing cards. What is the probability that the second card is a face card,if the first card was a queen?

*August 8, 2009*

**MATH Prob.**

thanks!!

*August 8, 2009*

**MATH Prob.**

if you have two fair dice that are rolled, what is the probability of a sum 6 given that the roll is a 'double'?

*August 8, 2009*

**MATH Prob.**

how many three letter symbols can be formed from the letters A,C,K,L, & M without repetition? so far I have 12

*August 8, 2009*

**MATH Prob.**

you mean 6/23?

*August 8, 2009*

**MATH Prob.**

if a bag contains 8 red marbles, 6 blue marbles and 9 green marbles, what is the probability of choosing a blue marble??

*August 8, 2009*

**MATH Prob.**

If you select a card from an ordinary deck of 52 playing cards, what is the probability that a diamond is drawn and that a BLACK 10 or a BLACK 7 is drawn??

*August 8, 2009*

**MATH Prob.**

thanks!!

*August 8, 2009*

**MATH Prob.**

A box contains 13 white cards numbered 1 through13. List the sample space of the event choosing one card with a number greater than 6.

*August 8, 2009*

**MATH Prob.**

if you were to roll a single die, what would the P(number showing is not odd)be?

*August 8, 2009*

**MATH Prob.**

A 6-sided die is rolled. The sides contain the numbers 1,2,3,4,5,6. List the sample space of rolling one die.

*August 8, 2009*

**MATH Prob.**

Jack is taking a four-item true–false test. He has no knowledge about the subject of the test and decides to flip a coin to answer the items. What is the probability that he receives a perfect score? What is the probability on a 10-item test?

*August 6, 2009*

**MATH Prob.**

I am not understanding this at all!!! I have read over my material for this class & I still don't get it!! Can someone PLEASE help me?!!!!?????

*August 6, 2009*

**MATH Prob.**

What do you mean?

*August 6, 2009*

**MATH Prob.**

A box contains two black balls and three gold balls. Two balls are randomly drawn in succession from the box. a. If there is no replacement, what is the probability that both balls are black? b. If there is replacement before the second draw, what is the probability that both ...

*August 6, 2009*

**MATH Prob.**

How many three-symbol codes (letter-number-number) can be made from the letters S, P, Y, and two digits from the set {0, 1, 2,....., 9} without repetition?

*August 6, 2009*

**MATH Prob.**

Can you please show me how you got that answer?

*August 6, 2009*

**MATH Prob.**

How many three-symbol codes can be formed from the letters I, S, P, and Y without repetition?

*August 6, 2009*

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