Saturday

December 3, 2016
Total # Posts: 514

**pre-algrebra**

needing to solve word problems with linear equatios, if there something to help work into them?

*October 31, 2012*

**physics**

A person holds a 1.56 baseball in his hand, a distance of 34.0 cm from the elbow joint, as shown in the figure(Figure 1) . The biceps, attached at a distance of 2.75 cm from the elbow, exerts an upward force on the forearm. Consider the forearm and hand to be a uniform rod ...

*October 25, 2012*

**Biomechanics**

If the volume of a material is conserved under loading (Volume without force = Volume with force) what is the material’s Poisson’s ratio? You can assume that the material is isotropic (it will behave the same in every direction). Hint: take a cube and increase the ...

*October 14, 2012*

**Prealgebra**

Identify the slope and y-intercept of the line with the given equation then graph the equation. Y=-2 * must use slope-intercept form

*October 6, 2012*

**Math**

Solve the following for the indicated variable. V = 1/3Bh for B (volume of a pyramid)

*October 4, 2012*

**Math**

Solve the following for the indicated variable. V=Bh for h(volume of a prism)

*October 3, 2012*

**math**

if you used the rule (6x, 6y) to transform Mug into a new figure, how would the angles of the new figure compare to Mugs angles

*October 1, 2012*

**physics**

What is your average velocity if you drive a distance of 252.5 km at a speed of 41 km/h, then the same distance at a speed of 60 km/h? Answer in units of km/h

*September 27, 2012*

**Pre-algebra**

How do you write an equation to determine possible values for a perimeter =52

*September 27, 2012*

**geography**

Thank you!

*September 26, 2012*

**geography**

Is there a danger of creating one global culture

*September 26, 2012*

**Algebra**

think this is as far as it can go, the original equation

*September 26, 2012*

**Math**

I'm confused. Can you do it step by step please?

*September 24, 2012*

**Math**

I need some help solving this equation. 8x+4-4x=x-14

*September 24, 2012*

**Math**

A man built a walk of uniform width around a rectangular pool. If the area of the walk is 429 square feet and the dimensions of the pool are 10 feet by 18 feet, how wide is the walk?

*September 22, 2012*

**math**

Flying with no wind, a plane makes a 600 km trip in 3h. On the return trip, the plane flies with a 50 km/h tailwind. What is the total trip time?

*September 18, 2012*

**upland**

arrange 3/4, 1 1/6, 10/13, 1 1/3, 67/100 from smallest to largest

*September 16, 2012*

**math (4th)**

steven has a six digit number on his bike. A 2 is in the hundred thousands place, a 6 in the ones place, and a 1 in the hundredths place. Write two different numbers that could be on his bike

*September 13, 2012*

**5th grade religion**

five members

*September 5, 2012*

**math**

Can someone please help me with this word problem!?! I know the answer which is 784 feet. But I have no clue how to solve it. Can someone please show how to solve this problem? The word problem is: The melt in Your Mouth Chocolate Factory is a rectangular building. The ...

*September 4, 2012*

**Prealgebra**

Thank you for the break down, have a lot more to do...

*September 3, 2012*

**Prealgebra**

Can you help us with the work to solve the problem, we have a lot more of this type question . Thank you

*September 3, 2012*

**Prealgebra**

2/3(7x+6/7)=-160/63

*September 3, 2012*

**Pre-algebra**

There shouldn't be a Y at the end

*August 26, 2012*

**math**

Erica's average rate going uphill was 80% of her average rate going downhill over the same route, and it took Erica 10 minutes longer to go up the hill than to go down the hill. What was the total number of minutes Erica spent going uphill and downhill?

*August 18, 2012*

**"Miss Sue" Cultural Diversity**

May I suggest reading "Working with Children from Culturally Diverse Backgrounds". This should help with some of the Cultural Diversity questions that has been asked on this site. Thank you:)

*August 15, 2012*

**physics**

In a stunt for a movie, a remote controlled car is driven horizontally of the edge of a cliff at a speed of 35m/s. The car hits the ground 85m from the base of the cliff. How high is the cliff?

*August 10, 2012*

**Physics**

Elena was so close, it looks like a calculator error when calculating part A. The answer is off by a factor of ten. So 3529.9 years, not 35299.

*July 27, 2012*

**literacy**

To critically evaluate the qualifications of an author on a topic, carefully consider all of the following except the A. number and type of awards the author has received. B. author's age. C. other articles the author has written. D. author's educational background

*July 19, 2012*

**Math**

If there are 7 people at a party and four pizza's and each person eats 3/8 of the pizza. How much pizza is left?

*July 16, 2012*

**help please :)**

The type of life insurance often used as mortgage insurance is :

*June 20, 2012*

**Information Technology**

Hard drive is random access and Magnetic tape is sequential access

*May 29, 2012*

**Algebra**

Divide (42b^3 + 23b^2 + 38b + 49)/ (6b + 5)

*May 5, 2012*

**algebra ll**

Divide (42b^3 + 23b^2 + 38b + 49)/ (6b + 5)

*May 4, 2012*

**social studies**

which of the following best illlustrates how a president can use the news media to reach the largest segment of the public?

*May 3, 2012*

**chemistry**

For each of the following precipitation reactions, calculate how many grams of the first reactant are necessary to completely react with 17.5 of the second reactant.

*April 27, 2012*

**engineering science**

a bale of weight 200 newtons hanged at the end of a rope.find the acceleration of the bale if the tension in the rope is 200 newtons,150 newtons,300 newtons.

*April 17, 2012*

**physics**

A violin string vibrates at 440 Hz when unfingered. At what frequency will it vibrate if it is fingered one fourth of the way down from the end?

*April 6, 2012*

**physics**

A 0.11 kg mass suspended on a spring is pulled to 6.9 cm below its equilibrium position and released. When the mass passes through the equilibrium position, it has a speed of 0.28 m/s. What is the speed of the mass when it is 4.1 cm from the equilibrium position?

*April 6, 2012*

**History**

Answer is B Sole propietorships are small biz, since they are owned by a single individual, who is personally responsible for all losses and debts

*April 6, 2012*

**government**

thanks friends :)

*April 3, 2012*

**government**

A) American colonists could be independent. B) A person charged with a crime could have a jury trial. C) The king could not force colonists to make loans. D) The king could not force colonists to pay high taxes.

*April 3, 2012*

**government**

What was stated in the english bill of rights?

*April 3, 2012*

**government**

well the answer chooses are A. the royal colonies B. the proprietary colonies C. the charter colonies D. the informed colonies But i don't know which one it is!

*April 3, 2012*

**government**

Which type of colony did strict governors anger the colonists?

*April 3, 2012*

**sociology**

Explain the three steps for measuring a variable.

*March 11, 2012*

**sociology**

But, does the question involve with terms like conceptualization and operationalization. I still do not know how to answer the question?

*March 11, 2012*

**sociology**

Explain the three steps for measuring a variable.

*March 11, 2012*

**health 3 ms sue**

I'm attending the same school as u r and had the same question. The question deals with the muscular system, B deals with the nervous system, and C deals with thought.

*March 4, 2012*

**health**

i don't think its c or d but a n b both can be true

*March 4, 2012*

**Calculus theory**

Determine if the statement is always true, sometimes true, or never true. If y is a function of x, and is also a function of t. then dy/dx = dy/dt explain. i think its sometimes true but i don't know why it is. am i right?, and can you please explain me y this is the case...

*March 1, 2012*

**Calculus**

but what if its not a quadratic function?.. isn't it possible to have a function that has two zeros but is not a quadratic.. for example the first zero is passed by a cubic kind of curve that is connected to a straight line going to the other zero? so would it be quintic, ...

*March 1, 2012*

**Calculus**

is it some times true or always true?? that's the question

*March 1, 2012*

**Calculus**

If f(x) has zeros at x=a, and x=b, the x coordinate of the turning point between x= a and x=b is 1/2(a+b). PLease help i don't understand this!

*March 1, 2012*

**algebra**

f(x) = 1-4x, (gof)(x) = 5-2x find g(x)

*February 29, 2012*

**English - Ms. Sue**

Actually Act positively and move forward also fits, does it make sense?

*February 22, 2012*

**English - Ms. Sue**

Thanks a lot Ms. Sue =)

*February 22, 2012*

**English - Ms. Sue**

For my slideshow I had wrote down - - Jake draws away from everyone. But corrected it to withdraw, so would that be like - -Jake withdraws away from everyone, or Jake withdraws from everyone? I also wrote - - to act positive and move on, but she corrected me and said ...

*February 22, 2012*

**English - Ms. Sue**

Thanks Ms. Sue for my header I used - Telephone Affection. Is that fine?

*February 21, 2012*

**English - Ms. Sue**

I don't get how to make this smaller. “It’s me, she said. Mother. I was almost glad to hear her, But something must be wrong. She never phoned me.” On the telephone, Jake felt some affection for his mom.

*February 21, 2012*

**English - Ms. Sue**

Ms. Sue how am I supposed to shorten down the quotes? I can't do that otherwise they won't be considered quotes.

*February 21, 2012*

**English - Ms. Sue**

Thanks a lot Ms. Sue =)

*February 21, 2012*

**English - Ms. Sue**

I just wrote ( Jake draws away from family) is that fine?

*February 21, 2012*

**English - Ms. Sue**

Even spaces count as letters.

*February 21, 2012*

**English - Ms. Sue**

Ms. Sue having loads of trouble here could you please help me? Actually Mohammad and I just went on the site Animoto and it won't let us put full sentences. Maximum letter count is 30. Exactly how do I shorten this sentence? Jake draws himself away from everyone and thinks...

*February 21, 2012*

**English - Ms. Sue**

Could you also please delete this post. Don't want others to copy and paste my work.

*February 20, 2012*

**English - Ms. Sue**

Thanks Ms. Sue you know what title I could use for one of these images?

*February 20, 2012*

**English - Ms. Sue**

Like Mohammad, I'm going from darkness to lightness so I'm not sure what image to add for the second slide. Is there something that represents a mood in which you feel lonely and can't express your feelings?

*February 20, 2012*

**English - Ms. Sue**

Thanks so much Ms. Sue can you suggest me a title I can use for this presentation? I'd like to add a header for my second slide.

*February 20, 2012*

**English - Ms. Sue**

Thanks very much Ms. Sue =D

*February 20, 2012*

**English - Ms. Sue**

Thanks so much Ms. Sue I will definitely add that to my essay which I'm working on. So then the theme would be --Take positive action and look ahead-- And nice to meet you Ms. Sue :) I will post my essay as soon as I'm finished writing it, and if you could also drop it...

*February 20, 2012*

**English - Ms. Sue**

Hi Ms. Sue I’m Aaron and I’m Mohammad’s friend, I helped Mohammad edit his, and I’m also doing a theme on the story “A few notes for Orpheus” and could gladly use your help. As Mohammad had pointed out before that the title is a musical tribute to...

*February 20, 2012*

**Calculus**

Find the volume of the solid by subtracting two volumes, the solid enclosed by the parabolic cylinders y = 1 - x 2, y = x 2 - 1 and the planes x + y + z = 2, 6x + y - z + 16 = 0.

*February 16, 2012*

**Physics**

It’s a beautiful winter day, and you and your friend are throwing around a 5 kg medicine ball on a very slippery frozen lake. You throw the ball toward your friend, and notice that you subsequently slide backwards with a speed of 1 m/s. If your mass is 60 kg, how fast did...

*February 13, 2012*

**Engineering **

The angular velocity of a rigid body rotating about an axis of rotation is w = 5^i + 2^j - 4^k rad. per. sec. Determine the linear velocity of point B on the body with a position vector r = 3^i - ^j + 3^k ft. directed from a point on the axis of rotation. Would the solution ...

*February 12, 2012*

**Engineering/Physics**

Ah, I knew there must be something off about my answer. Thank you so much!!!

*February 12, 2012*

**Engineering/Physics**

A force F = 7^i + 6^j - 5^k lb. acts at the origin. Find the magnitude and direction cosines of the moment of this force about point A (-4; 5; 6) ft So in this case wouldn't vector r= -4i +5j +6k and vector F = 7i + 6j - 5k lb? and r X F = -61i +22j -59k = MA [MA]= 87.67 ...

*February 12, 2012*

**Engineering **

A force of 26 lb. acts through a point (4; 5; -7) ft. and is equally inclined to the positive ends of the orthogonal axes. What is the moment of this force about the origin So i'm assuming vector r is 4i+5j-7k? And using the fact that cos^2α + cos^2β + cos^2γ...

*February 12, 2012*

**Engineering**

Calculate the moment about a point (5; 4; 3) ft. caused by the forces P = 3^i - 2^j - 4^k lb. and Q = 5^i + 7^j - 2^k lb. acting at the points (7; 2; -2) ft. and (-3; -2; 5) ft., respectively. What I did was this; vector r1= (7,2,2) - (5,4,3) = 2i-2j-5k vector r2= (3,2,5) - (...

*February 11, 2012*

**Engineering**

Such as (2i-7k+2k) + (-2i-6j+26k)? To get to get my final vector in which I take the squareroot of the sum of the squares? Also thanks I didn't recognize my conceptual error. But I still believe it would be M1 + M2.

*February 11, 2012*

**Engineering**

Thank you, I reevaluated my work and found all the errors. Though I'm not sure sure why you would subtract M1 and M2 if you are looking for the total force applied? Wouldn't M1 + M2 make more sense in this case?

*February 11, 2012*

**Engineering**

Calculate the moment about a point (5; 4; 3) ft. caused by the forces P = 3^i - 2^j - 4^k lb. and Q = 5^i + 7^j - 2^k lb. acting at the points (7; 2; -2) ft. and (-3; -2; 5) ft., respectively. What I did was this; vector r1= (7,2,2) - (5,4,3) = 2i-2j-5k vector r2= (3,2,5) - (...

*February 11, 2012*

**Physics/ Engineering**

Calculate the moment about a point (5; 4; 3) ft. caused by the forces P = 3^i - 2^j - 4^k lb. and Q = 5^i + 7^j - 2^k lb. acting at the points (7; 2; 2) ft. and (3; 2; 5) ft., respectively. What I did was this; vector r1= (7,2,2) - (5,4,3) = 2i-2j-5k vector r2= (3,2,5) - (5,4,...

*February 11, 2012*

**chemistry**

Nitric acid can be produced by the reaction of gaseous nitrogen dioxide with water. 3NO2(g) + H2O(`) −! 2HNO3(`) + NO(g) If 745 L of NO2 gas react with water, what volume of NO gas will be produced? As- sume the gases are measured under the same conditions.

*February 7, 2012*

**Physics**

A plane is headed east with an air speed of 294.0 m/s. The wind blows southeast at 42.0 m/s. Find the velocity of the plane relative to the earth.

*February 2, 2012*

**Physics**

A sleepy man drives a car along a straight section of highway at a constant speed of 89.6 km/h. His eyes begin to close, and his car moves at an angle of 4.90° relative to the road. For how long can his attention lapse before the car begins to move across the lane divider...

*February 2, 2012*

**Physics**

A boy tosses a football upward. If the football rises a vertical distance of 1.1 m and the boy catches it at the same point he released it, what is the velocity of the ball just before he catches it?

*January 27, 2012*

**Physics**

A football player carrying the ball runs straight ahead at the line of scrimmage and directly into a wall of defensive linemen. The ball carrier has an initial speed of 8.48 m/s and is stopped in a time interval of 0.186 s. Find the magnitude and direction of his average ...

*January 26, 2012*

**Physics**

A cyclist starts at the top of a straight slope with an initial velocity of 3.02 m/s. Five seconds later, she is at the bottom of the incline, having traveled 49.6 m. Find her velocity at the bottom of the hill and her acceleration, assuming it to be constant. (Let down the ...

*January 26, 2012*

**Calculus**

y= [(x-3)/(x^2+1)]^2 find the derivative. I know i would start off with the chain rule. but would i then continue on and use the quotient rule next?

*January 19, 2012*

**Calculus **

y= ln3x *e^2x^2 + sin5x^2 find the derivative. i know what to do. but what is the derivative of ln3x? I can plug it into the product rule then nd solve

*January 19, 2012*

**Calculus**

Correction**** I would use the chain rule. not product rule

*January 19, 2012*

**Calculus**

y= [(x-3)/(x^2+1)]^2 I know that I would use the product rule on the whole equation inside the brackets. But would i also do the quotient rule bc of the division?

*January 19, 2012*

**math**

The Answer is AB

*January 16, 2012*

**Fine Art 7**

How does The Good, The Bad and the Ugly fit into the history of the western? Be as specific and as detailed as you can be. Bring up material from the text, your own research, etc. Have you ever seen a western before? Did any of the characters conform or not conform to your ...

*December 21, 2011*

**Physics**

Two bars of identical mass are at 34 °C. One is made from glass and the other from another substance. The specific heat capacity of glass is 840 J/(kg · C°). When identical amounts of heat are supplied to each, the glass bar reaches a temperature of 97 °C, ...

*December 8, 2011*

**geometry**

this diagram show isosceles trapezoid QRST. What is the length , in units of _ QS when Q x-1 and 2x-2

*December 5, 2011*

**6th grade math**

2.70 is bigger

*November 7, 2011*

**7thgrade math**

Thank you, I came up with 5/64

*November 5, 2011*

**7thgrade math**

3/4 +3/20 / 2/5 * 7/8 -1

*November 5, 2011*