# Posts by lyndse

Total # Posts: 67

Math
A reservation clerk worked 15.3 hours one day. She spent twice as much time entering new reservations as she did verifying old ones and one and a half as much time calling to confirm reservations as verifying old ones. How much time did she spend entering new reservations?

Math
What is the measure of the dent angle for a star-shaped polygon with 8 points and a point angle of 20 degrees?

Math
What must be true for a pentagon so that it will tessellate a plane?

Math
Find the volume of a cube with a cylindrical hole of diameter of 68mm? It is a perfect cube with each side of 84mm Thank you.

Math
What is the measure of the dent angle for a star-shaped polygon with 8 points and a point angle of 20 degrees?

Math
In a certain coastal basin, the sea water contains 3.5 grams of salt per 1000 milliliters of water. How many grams of salt would be in 2 liters of the sea water.

Word Problem
That would be nice! :)

Word Problem
A swimming pool 25 m long, 15 m wide, and 150 cm deep is being filled at the rate of 20 L/min. How many hours will be needed to fill the pool?

Math
What is the probability that the random variable has a value between 0.1 and 0.5? The random variable is .125.

Word Problem
A math teacher gives two different tests to measure students' aptitude for math. Scores on the first test are normally distributed with a mean of 25 and a standard deviation of 4.6. Scores on the second test are normally distributed with a mean of 68 and a standard ...

Word Problem.
Thank you Reiny.

Word Problem.
A game is played by flipping three coins. If all three coins land heads up you win \$15. If two coins lands heads up you win \$5. If one coin lands heads up you win \$2. If no coins land heads up you win nothing. If you play \$4 to play, what are your expected winnings?

I was wondering about that. Thank you both.

Consider the experiment of selecting a card from an ordinary deck of 52 playing cards and determine the probability of the stated event. A face card or a 5 is drawn. So there are 12 face cards. Plus 5. So that is 13 options out of 52?

Math
I don't see any drawbacks

Math
Roughly speaking, the standard deviation indicates how far, on average, the observations are from the mean. Do you think that for the data set below the standard deviation will give a good indication of the typical deviation from the mean? 2, 3, 4, 4, 5, 5, 6, 6, 100 What ...

Math, please check work
Thank you!

Math, please check work
A bag contains 7 red marbles, 2 blue marbles, and 1 green marble. If a marble is selected at random, what is the probability of choosing a marble that is not blue? 7+2+1=10 There are two blue marbles So is the probability 1/5?

Math
Suppose there are 7 roads connecting town A to town B and 5 roads connecting town B to town C. In how many ways can a person travel from A to C via B?

Math
Assume that the probability is 1/2 that a baby born is a boy. If a couple has two children, what is the probability that both are girls? Assume that births are independent of each other.

Math
Thank you. I am not graping probability as well as I hoped.

Math
How do I find the probability of the event described. What is the probability of rolling a number less than or equal to 4?

Politics
Thank you Ms. Sue.

Politics
You are a criminal defense attorney, and your client has just been found guilty by a U.S. district court in Illinois. In this case if I filed an appeal, who are the Supreme Court justices and chief justice who may or may not decide to hear your case?

okay. I think I get it. Thank you both.

This would be slope equalls rise over run? would it be 1/16?

Find the slope of the line through the given points. ( 8, -2) and ( 8, -1) Since 8-8 is 0 would the slope be 0 or would there be no slope?

I will be sure to do that, thank you again!

Find the midpoint of the line segment having the given endpoints. ( 2, 6) and ( 7, 3) M 9/2,9/2

Math
okay, I understand now. Thank you. This is so confusing to me.

Math
x 5 10 15 20 25 30 y 50 60 70 80 80 90 Is this not linear?

Math, please check work
Thanks so much!

Math, please check work
find the other endpoint of a line segment with the given midpoint and one endpoint. Endpoint: (0,0) midpoint: (4, -3) I would Double the midpoint and add on the endpoint The other endpoint would be (8, -6) is this correct?

Math
Thank you.

Math
how would I find the slope of the line passing through each pair of points in (3, 7) and (6, -11)

Math
Write an equation that satisfies the conditions stated in parallel to the line y = -4x + 1

Math
Very helpful! Thank you!

Math
Find the equation of a line that passes through the point (1,2) and has a slope of 1/3 Can you please show me how you found the equation.

Math
I would/could have done the work. I just didn't know which technique is best. The name of the technique. Thank you for your help!

Math
Which linear technique would be best to solve this problem? 3x/4 + 6 = -12 And which quadratic equation would be best for -4x^2=0 Thanks for any suggestions.

Math
I still can't quite grasp it but your explanation is very helpful. Thank you!

Math
For which values is the relationship linear? Tell how you decided. Write the equation for each linear relationship x 5 10 15 20 25 30 y 20 30 40 50 50 50

Math
Ms. Sue, do you have a suggestion?

Math
Which linear technique would be best to solve this problem? 3x/4 + 6 = -12

Math
The problem is actually y = 20 + x/3. Would it still be the same?

Math
Give five ordered pairs that makes the equation true y = 20 + x3

Math
Does anyone know how to solve this.

Math
For which values is the relationship linear? Tell how you decided. Write the equation for each linear relationship x 5 10 15 20 25 30 y 20 30 40 50 50 50 I don't understand what the relationship has to do with being linear?

Math
I thought so, just wanted to verify. Thank you

Math
State whether the equation y=10^3x represents a linear, quadratic, or exponential function. Tell how you decided. I think it is exponential

Math word problem
Thank you all. You guys are awesome. So i find the area of both and just subtract the circle from the square. Perfect!

Math word problem
A small circular pool is enclosed in a square. Find the area inside the square but outside the circle? (of the shaded region). There is a picture of a square, which is shaded, around a circle. The circle is touching all four sides of the square and there is 4.3m above the ...

Math word problem
Alonso can't decide which size pizza to order. The 10-inch cheese and sausage pizza is \$7.99, while the 12-inch deluxe is \$8.99. The dimensions given are the diameters of the pizzas. If he gets the 10-inch pizza, the total price will be divided among 3 people. If he ...

Politics
Thank you. I researched trying to find the answer. I was trying to find out if America responded faster to the victims of the Tsunami or the victims of Katrina. Rescue response.

Politics
How fast did america respond to the tsunami 2004?

Math
Given that P(A) = 1/4 , what are the odds against A occurring? I am not sure how to solve this.

Math
You say simply! :) j/k...it makes sense now, thank you.

Math
If a two-card hand is dealt from a well-shuffled deck of 52 cards, what is the probability that the hand contains two kings?

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

Politics
Yes, that is a great idea....I think it would be important to discuss. Thank you very much!

Politics
I am writing a term paper and I have to use an example of a public policy designed to protect freedom of expression. I was wondering if someone had a good example of one. Specifically one that defined the importance of our first amendment, but not too far back in history? ...

Math
Yes, it meant divisible by, or I am assuming so. That is how it was asked on paper. So, the answer isn't true.

Math
Determine whether the statement is true or false. Show or explain why. If n is a natural number and 4 | n, then 8 | n.

Math
Yea, that is what I am confused about as well. So is it 1 if that is the only possibility?

Math
Yes, the answer given was that "clearly, there is no common factor " But that isn't a possiblity. The answer is either A) 65, B)26, C) 1 or D)6

Math
construct a factor tree for the given number. Then write out the prime factorization of the number 392, 190, 39 & 52

Math
True or fals: a number is divisible by 8 if it is divisble by 4 and divisible by 2? And how many variations of 3_2_ are divisible by six?

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