Thursday

February 23, 2017
Total # Posts: 1,864

**Geometry**

If the edge of a cube is doubled, the volume is?... a. half as much, b. doubled, c. quadrupled, d. none of these

*February 24, 2010*

**Geometry**

Hi Ms. Sue! Although I do appreciate your help I am still having trouble with this problem because I am confused about how to find the height of the triangles. I did notice I mistakingly wrote that I was working with right triangles, they are equilateral. Again, Thank you very...

*February 24, 2010*

**Geometry**

I would greatly appreciate any help I can get with this problem. I need to find the volume of a right triangular prism. The sides of the triangles measure 2cm and the length of the prism is 10cm. I found the surface area to be 64sq cm...is this correct? And can I somehow use ...

*February 24, 2010*

**amercian government**

dramatic change in public opinion on basic issues is uncommon and is almost always a cosequence of?

*February 22, 2010*

**accounting**

Your team has been assigned the duty to diagram the audit trail for your company. In your diagram, show several transactions and how they would be tracked from the journal entry to the financial statement and back to the journal entry

*February 20, 2010*

**Geometry**

Aren't they the same?

*February 19, 2010*

**Geometry**

How do the axes of rotational symmetry of an octahedron compare to the axes of rotational symmetry of a cube?

*February 19, 2010*

**classroom instruction 9not sure if i am right)**

THIS IS GOOD! :)

*February 19, 2010*

**SCI/275 ENVIRONMENTAL SCIENCE**

What is this asking?

*February 19, 2010*

**Geometry**

Thank you!

*February 19, 2010*

**Geometry**

Show that Euler's formula holds for a right pentagonal prism.

*February 19, 2010*

**math**

Thank you!

*February 19, 2010*

**math**

How many rectangles will fit about a point when tessellating the plane? How do you know?

*February 19, 2010*

**math**

A girl has a score of 59 and wants to know how to get a mean of 69. She would like to use two more scores to get that mean. What numbers did she use? Please help!

*February 15, 2010*

**calculus**

ok then think about what you have to do first :)

*February 14, 2010*

**calculus**

is that a negative 3?

*February 14, 2010*

**math**

how did you do the decimal?

*February 14, 2010*

**math**

plzzzzz help!!!

*February 14, 2010*

**math**

67 * 56% = ?

*February 14, 2010*

**Math**

Oh yes I understand very well how important it is to be very clear when asking a question like this, but it's one of the questions on an assignment with multiple choice answers. The best that I could come up with looks like 2x2x2x2x2x5=160....(5 for the various cheeses, 2 ...

*February 12, 2010*

**Math**

We are working on permutations and combinations and the problem reads as follows: A deli offers its cheese sandwich with various combinations of mayonnaise, lettuce, tomatoes, pickles, and sprouts. 5 types of cheese are available. How many different cheese sandwiches are ...

*February 12, 2010*

**mathematics**

Angles 1 and 7 are alternate exterior angles of a transversal cutting two parallel lines. If m(angle1)=4x+10 and m(angle7)=6x+4, what are the measures of angles 1 and 7? Give a property of angles that helped you solve the problem. What's confusing me about this problem is ...

*February 10, 2010*

**geometry**

What's throwing me off a bit on this problem is the fact that angles 1 and 7 are alternate exterior angles. Is this possible with the two lines being parallel?

*February 10, 2010*

**geometry**

Angles 1 and 7 are alternate exterior angles of a transversal cutting two parallel lines. If m(Ú1)=4x+10 and m(Ú7)=6x+4, what are the measures of angles 1 and 7? Give a property of angles that helped you solve the problem.

*February 10, 2010*

**physics**

0.25 m/s^2

*February 8, 2010*

**math**

math is a hard thing for me sometimes and i need help with the question 5% OF 36 PLEASE HELP!

*February 6, 2010*

**Math**

The numbers 1-10 are placed on cards, and the cards are put in a hat. If two cards are drawn, in order, without replacement, what is the probability that a. both are composite? b. one number is even and the other is odd? c. one number is even and the other a prime?

*February 5, 2010*

**Math**

At a party, 55 handshakes took place as everyone shook hands with everyone else. How many people were at the party?

*February 5, 2010*

**math**

What are the odds against throwing either a sum of 3 or 8 in rolling a pair of regular dice?

*February 5, 2010*

**math**

What are the odds against getting a head and a tail in a single toss of two coins?

*February 5, 2010*

**physics**

There's a problem my professor assigned, but I'm not sure which equation/process I should use to solve it. Please help. Two particles having charges of 0.420nC and 15.1nC are separated by a distance of 1.50m. At what point along the line (in m from the particle with ....

*February 2, 2010*

**math**

-x +2 18 ------------- 8 9

*January 26, 2010*

**math**

Give a verbal, visual, numerical, and graphic representation for the idea one-fourth.

*January 22, 2010*

**math**

How would you instruct someone to take one-fourth of a pizza if you could not use the word one-fourth?

*January 22, 2010*

**Physics**

I am reposting this since I did so incorrectly the first time. (I apologize for posting it twice the first time as well...I accidently hit refresh) Here is the problem with the proper units: You are trying to overhear a juicy conversation, but from your distance of 15.0m , it ...

*January 18, 2010*

**physics**

You are trying to overhear a juicy conversation, but from your distance of 15.0 , it sounds like only an average whisper of 35.0 . So you decide to move closer to give the conversation a sound level of 60.0 instead. How close should you come? (in cm)

*January 18, 2010*

**physics**

I didn't mean to post the question twice and I have absolutely no idea where to start. I do not need the answer necessarily, but an equation to work with would be great. Thank you.

*January 18, 2010*

**physics**

You are trying to overhear a juicy conversation, but from your distance of 15.0 , it sounds like only an average whisper of 35.0 . So you decide to move closer to give the conversation a sound level of 60.0 instead. How close should you come? (in cm)

*January 18, 2010*

**7th grade math**

I am in 6th grade and i am haveing trouble with statistics and how to memorize them!!! How can i do this???? Is there a special way???

*January 18, 2010*

**3rd grade science**

The moon rotates in a circle around Earth so sometimes it is between Earth and mars and sometimes it is not. You can put the moon anywhere around the Earth and your model will come out perfect :)

*January 18, 2010*

**3rd grade science**

Hi i would like to tell you that the moon revolves around the earth so somewere close to the earth or around it would be fine!!!!

*January 18, 2010*

**physics**

For real images in converging lenses, I know that if the object distance increases, then the image distance will decrease. However, I need to explain WHY and I don't know? Pleaes help.

*January 17, 2010*

**grade 11 physics**

what is the index of refraction of a medium in which the speed of this radiation is 2.54X10^8 m/s? I don't even know where to start...

*January 15, 2010*

**geometry**

What is the lateral area of a cylinder? How do you find it? Is there a formula?

*January 15, 2010*

**geometry**

How do you find the lateral area and perimeter of a pentagonal pyramid? ex: The slant height of a regular pentagonal pyramid is 6 cm, and the length of each side of the base is 3 cm. Find the lateral area.

*January 15, 2010*

**Geometry**

How do you go about finding the lateral area of a trianglar prism? Ex: The base of a triangular prism is an equilateral triangle with a perimeter of 42 cm. If the height of the prism is 10 cm, find the lateral area. Thanks for the help in advance

*January 15, 2010*

**math**

i can type 19 words in 38 seconds. how many i can type in 60 seconds.

*January 15, 2010*

**physics**

a. speed=distance/time= 2PI*radius/time What does 2PI mean?

*January 10, 2010*

**physics**

The combined mass of a race car and its driver is 600. kilograms. Traveling at a constant speed, the car completes one lap around a circular track of radius 160 meters in 36 seconds. A) Based on the given information, calculate the speed of the car. B) Calculate the magnitude ...

*January 10, 2010*

**math 157**

Is 3x^2=5 a linear, quadratic or exponential function? and how

*January 10, 2010*

**math**

A small college has 1250 students. There are 30 more women than men. How many women attend the college?

*January 5, 2010*

**7th grade**

I'm in 8th grade and I can't even figure that out Goshh.(:

*January 5, 2010*

**Math for Educators**

Show how to slice a cylindrical piece of cheese into eight congruent pieces with three slices.

*December 24, 2009*

**math**

Show how to slice a cylindrical piece of cheese into eight congruent pieces with three slices.

*December 21, 2009*

**history**

what sort of armor did the Black Prince wear? what was it made out of? how heavy was it and how functional was it? I've been looking but all i can find it that it was black, heavy and not very functional. thanks!

*December 14, 2009*

**social study**

how to make tepee which is native American house?

*December 13, 2009*

**Science**

He came out wet

*December 11, 2009*

**physics**

How far does a 1.58-kg stone with the kinetic energy of 3.11 J go in 1.86 s if it is moving in a straight line?

*December 11, 2009*

**Physics**

Two joules of energy are required to extend a spring by .25 m. What is the spring constant?

*December 11, 2009*

**Physics**

A 770N woman sitting on a frictionless surface throw a 2.6 kg book at a speed of 35 m/s. What is her recoil speed in m/s?

*December 11, 2009*

**Physics**

On a frozen pond, a person kicks a 10.0 kg sled, giving it an initial speed of 12.2 m/s. How far does the sled move if the coefficient of kinetic friction between the sled and the ice is .10?

*December 11, 2009*

**Physics**

A 21-kg child swings on a playground swing 3.4 m long. What is the period of her motion? If her brother, who weighs twice as much as she does,rides on the swing instead, what is the period of the motion?

*December 11, 2009*

**us history**

In what ways did democracy create a new political culture? How did democracy impact social change?

*December 8, 2009*

**Spelling**

brother mother fly

*December 8, 2009*

**Spelling**

Nail Hammer screw

*December 8, 2009*

**Math**

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?

*December 2, 2009*

**Foundations in business**

Analyze the problems, issues, and tasks employees will have to solve to best provide such a service to customers

*December 2, 2009*

**physics**

A boy reaches out of a window and tosses a ball straight up with a speed of 15 m/s. The ball is 20 m above the ground as he releases it. Use energy to find the following.

*December 1, 2009*

**College Physics**

A car starts from rest on a curve with a radius of 150 and accelerates at 1.30 . How many revolutions will the car have gone through when the magnitude of its total acceleration is 3.30 ?

*November 28, 2009*

**pre-algebra**

42 is 60% of what number? and what percent of 400 is 20?

*November 26, 2009*

**pre-algebra**

what percent of 400 is 20?

*November 26, 2009*

**physics**

Calculate the index of refraction of a diamond if the speed of light in a diamond is 1.24x10 to the power of 8 m/s. Please break it down and show all the steps. :) thank you

*November 25, 2009*

**pre-algebra**

solve for X when 2/3 X = 2 2/9

*November 19, 2009*

**math**

Barbara knows that she will need to buy a new car in 4 years. The car will cost $15,000 by then. How much should she invest now at 10%, compounded quarterly, so that she will have enough to buy a new car? Round to the nearest cent.

*November 15, 2009*

**Math**

How do you write 2.78 in expanded form

*November 14, 2009*

**3rd grade**

His answer is reasonable because 75-30=45 and 45+30=75.

*November 11, 2009*

**Social Studies**

During the time of Troy and the Trojan war was it common for the king and his wife to be buried near each other? Website refs would be great also... thanks:)

*November 11, 2009*

**Social Studies**

What is priam's treasure and if you have any websites about it please tlel me thanks:)

*November 9, 2009*

**Organic Chemistry**

How is the rate of adjusted when using a sand bath as a heat source?

*November 7, 2009*

**physics**

23.3

*November 6, 2009*

**chemistry help!**

Ca Co3(s) 2HCl (aq) Ca Cl2(aq)+H2o(e)+Co2(g)

*November 6, 2009*

**9th grade**

what do you need help with?

*November 3, 2009*

**math**

... and then since the 's' isn't a like term, it stays the way it is.

*November 3, 2009*

**math**

exactly =)

*November 3, 2009*

**math**

you would combine the r's just by adding them together, because they are the same variable. The first r in the equation doesn't have a number with it, right? So since it isn't attatched to a number, pretend that there is an invisible 1 in front of it. So when you ...

*November 3, 2009*

**math**

OH sorry typo! 3 +1 and you'd have 4r! sorry!

*November 3, 2009*

**math**

Well since both the 'r's are like terms, you'd combine them, and don't forget that there is a 1 in front of each variable, so you'd add 3 + 4 and have 4r.

*November 3, 2009*

**Algebra1**

Here's the problem. I have to write an equationa and solve. The greater of two consecutive integers is 15 more than twice the smaller. Find the intergers. Thank you guys so much! =)

*November 1, 2009*

**English H1**

Thank you! :)

*November 1, 2009*

**English H1**

Can someone please help explain Lord of the Flies by William Golding to me? I understand the general concept, but certain parts I can't seem to grasp. I'm only as far as Chapter Five. Thank you SO much to anyone who can help!

*November 1, 2009*

**ps 13**

how to find the Landmark in a set of numbers

*October 28, 2009*

**Science**

Who studies the biosphere?

*October 25, 2009*

**biology**

two or more compounds combined but keep their chemical identity a.solution b.carohydrates cproteins or d.isotope

*October 22, 2009*

**healthcare**

How might a foundation in medical terminology help you in fulfilling your education and career goals? How might a basic understanding of medical terminology benefit you personally?

*October 20, 2009*

**7th grade math**

which of the averages best represents data mean 18.25, median 11, mode 5 or range 34?

*October 18, 2009*

**Macroeconomics**

Suppose a natural disaster destroys a fraction of the nation's capital stock. Determine the effects on output, consumption, employment, and the real wage. Make sure you explain the result pointing out income and substitution effects. Thank you for any help!

*October 18, 2009*

**Macroeconomics**

Suppose a natural disaster destroys a fraction of the nation's capital stock. Determine the effects on output, consumption, employment, and the real wage. Make sure you explain the result pointing out income and substitution effects. Thank you for any help!

*October 18, 2009*

**French**

Can you help me unscramble this french word callipygeophile

*October 17, 2009*