Thursday

January 29, 2015

January 29, 2015

Total # Posts: 76,840

**physics**

A vertically hanging bungee cord has a length of 6 m and k = 50N/m. What is the new length of the bungee if a student of mass 40 kg is suspended from the lower end?
*January 8, 2015*

**psychics**

physics sorry
*January 8, 2015*

**6TH GRADE MATH**

y=11+(15/3) Y=11+5 Y=16
*January 8, 2015*

**Math**

How to simplify e^27x?
*January 8, 2015*

**math**

The perimeter of a sheet of paper is 38 cm. If the width is 8 cm what is the length of the paper? P = 2L + 2W 38 = 2L + 2(8) 38 = 2L + 16 22 = 2L 11 = L is 11 the answer
*January 8, 2015*

**English (Dracula)**

its fine i will ask my teacher
*January 8, 2015*

**English (Dracula)**

yes, but it doesnt explain his history in the first few chapters
*January 8, 2015*

**English (Dracula)**

i know the answers to the last two questions. But i cant find anything about his history in the first few chapters
*January 8, 2015*

**Pre-Calc/Trig**

yes, thanks i can :)
*January 8, 2015*

**Pre-Calc/Trig**

Complete the following for each system that involves one or more quadratic equations: Solve the system algebraically 7y^2-5x^2+20x=3 5x^2+21y^2=209
*January 8, 2015*

**math**

(√3x-3)-(√x-3)=√x
*January 8, 2015*

**physics**

An MRT Train accelerates at a rate of 2.75 m/s^2 from rest for 3.00 seconds.How fast will the train be moving after that time?
*January 8, 2015*

**Physics and Math**

The answer is the spring is depressed by 1.6m
*January 8, 2015*

**Physics and Math**

The spring is depressed by how much? The answer is 1.6m. But how?
*January 8, 2015*

**Physics and Math**

A small ball with a mass of 1 kg rolls down a long frictionless inclined ramp, which is at an angle 3o Degree above the horizon. A linear spring, whose length is not negligible, is attached to the bottom of the ramp. The ball is released from a distance of 1 m above the spring...
*January 8, 2015*

**Algebra**

1/(x-5) = 7/2x x = 7?
*January 8, 2015*

**Algebra**

Does x(x-7) = 0 have two solutions, 0 and 7?
*January 8, 2015*

**Algebra**

1/8 + 2/t = 17/8t Is t = 1 the only solution?
*January 8, 2015*

**ELA**

I'd go with B. From the passage, it does not seem like the Jews thought they would stay forever in the ghetto.
*January 7, 2015*

**Chem-Stoich**

Thanks, this helped me figure out what I needed to do, I got 0.25% CaCl2
*January 7, 2015*

**math**

The perimeter of a sheet of paper is 38 cm. If the width is 8 cm what is the length of the paper?
*January 7, 2015*

**Physical Science**

0.04 m/s
*January 7, 2015*

**Math**

What is the period of the function? f(x)=sin(1/7)x I think its 2pi
*January 7, 2015*

**Math**

Thanks for telling me
*January 7, 2015*

**physics**

you can use the idea that the kinetic energy equals the amount of work of friction (Force of friction*d). Use F(force of friction)= (m(v^2))/2d ...so F=(.005*(360^2))/2*.19= 1705.263 N you use .005 because the mass was given in grams and the unit of N is kg*m/s so you have to ...
*January 7, 2015*

**physics**

A riﬂe ﬁres a(n) 5 g bullet with a muzzle velocity of 360 m/s into a block of wood. The bullet comes to rest after it has made a(n)19 cm deep hole in the wood.A riﬂe ﬁres a(n) 5 g bullet with a muzzle velocity of 360 m/s into a block of wood. The ...
*January 7, 2015*

**Animal Farm**

Was Snowball really a criminal, like Napoleon says, or is this just a false accusation?
*January 7, 2015*

**Psychological Statistics **

For a population with a mean of 80 and a standard deviation of 12, what is the Z score corresponding to an individual score of 92
*January 7, 2015*

**british lit**

how to mark the syllables him still must serve,him still obey
*January 7, 2015*

**math**

Sara has 6 necklaces, but her mother will only allow her to wear two at a time. How many different ways can Sara wear two necklaces? A. 30 B. 15 C. 360 D. 12
*January 7, 2015*

**Algebra**

For log(4)(3x + 4)^5 = 15, do I have to expand (3x + 4)^5, or is there a faster way?
*January 7, 2015*

**math**

110
*January 7, 2015*

**math**

Jessica buys a lamp that costs $35 and a table that costs $75.00. If the tax rate is 10%, what will be the total cost of the lamp and table?
*January 7, 2015*

**Math**

(x^2(1-x))/((x-1)(2x-3)) Can this be simplified as -x^2/(2x-3)? If so, how?
*January 7, 2015*

**ap chemistry**

bruh
*January 7, 2015*

**math**

You plan to construct a brick wall measuring 14.5 ft. in length, 5.5 ft. high, and 0.5 ft. in width. If a brick measures 6 in. x 4 in. x 2 in., how many bricks will you need? (Remember to round up.)
*January 6, 2015*

**math**

make up a set of at least twelve numbers that have the following landmarks maximum 8 mode 6 range 6 median 5
*January 6, 2015*

**math**

a piece of wire is 0.75m long how many pieces of wire 0.5m long, can be cut from it? What is the remaining lenght
*January 6, 2015*

**L.A**

Oh okay. I see. Thank you. I just couldn't decide whether it was B or D but it's b. thanks
*January 6, 2015*

**L.A**

which of the following is part of the novels rising action? ? A. johnny's growing role delivering messages and acting as a spy for the whigs B. Dr. Warrens imminent surgery on johnnys hand C. The battle on the Lexington green on the morning of April 19, 1775 D. Rabs death ...
*January 6, 2015*

**math**

Carrie and Krystal are taking a road trip from Greenville to North Valley . Each person has her own map,and the scales on the map are different. A.On Carrie's map, Greenville and North Valley are 4.5 inches apart.The scale on her map is 1 inch=20 miles. How far is ...
*January 6, 2015*

**science**

describe a process that could cause an uncomformity
*January 6, 2015*

**L.A**

Thank you for helping!
*January 6, 2015*

**L.A**

Choose the meaning that best describes the word in the italics. *pompous is the word thats in italics. His *pompous* behavior irritated his friends, especially since accomplishments were few and far between. A. sheepish B. arrogant C. unassuming D. aggravating is it D..? or B
*January 6, 2015*

**Math**

One afternoon, kassims sandwich shop sells 15 sandwiches in 45 minutes. If the shop continues to sell sandwiches at the same rate, about how many sandwiches will the shop sell in 3 hours?
*January 6, 2015*

**LANGUAGE ARTS !! 8TH GRADE**

The answers are... 2. a 3. d 4. b 5. c
*January 6, 2015*

**Healthcare**

What are some programs in universities if you want to become an endocrinologist
*January 6, 2015*

**math**

isn't 39-15 24?
*January 6, 2015*

**math**

there are markers every 1000 feet along the side of a road. While driving, Mai passes marker number 15 at 10:05 and marker number 39 at 10:11. find mai's average speed feet per minute. use dimensional analysis to check the reasonableness of your answer.
*January 6, 2015*

**math**

if a wall in a 1/4 in. scale drawing is 6 in. tall, how tall is the actual wall? please help
*January 6, 2015*

**ap calc**

If y= (e^x-e^-x)/(e^x+e^-x), then y'= Please help i know how to get the derivative i just can not simplify.
*January 6, 2015*

**math**

Problem- Ms.Kelly puts more than 5 apples in each bag. Write an inequality to represent the number of apples in a bag. My questions- would it be n>5?
*January 6, 2015*

**math**

This table shows the numbers of students in different classes that are in the math club. Students in math club Boys / Girls Mrs.Smith 3 / 4 Ms.Jones 4 / 6 Mr.Brown 3 / 4 a. What fraction of the students in the math club are boys from Mrs. Smith’s class? b. What fraction ...
*January 6, 2015*

**Physics**

tarzan, mass 85 kg, swings from a tree on the end of a 20. m vine his feet touch the ground 4.0m below the tree. how fats was he moving when he reaches the ground
*January 6, 2015*

**Math**

((2x)/(x-1)) - (9/(x-2)) Is the answer (2x^2 - 13x + 9)/(x^2 - 3x + 2), or can it be simplified further? I got an answer to this question before, but it seems like they did it with 9x instead of 9.
*January 6, 2015*

**Physics**

A lunar lander in powered descent at 100 m above the surface of the moon slows down from a velocity of 20 m/s to 0.5 m/s at constant acceleration. Assume that the lander has a mass of 20,000 kg and that burning the fuel does not change the mass. Answer the following questions...
*January 6, 2015*

**Health**

What are some things in a house that increase risk of poisoning?
*January 6, 2015*

**French**

Does ne + avons equal n'avons?
*January 6, 2015*

**Algebra PLEASE?**

All you need to do to get an irrational is take the square root of a number that is not a perfect square. None of the numbers are perfect squares. After you do that you can do any closed operation you want with the resulting irrational and the two other rationals and you will...
*January 6, 2015*

**math**

Ms.Sue is right, the next 3 would be 0.93,1.02, and 1.11
*January 6, 2015*

**Language arts**

The rising action of a plot is the series of events that build up and create tension and suspense. so, it would be b or d
*January 6, 2015*

**math**

$12.07
*January 6, 2015*

**Math**

It is 9, not 9x.
*January 6, 2015*

**Math**

((2x)/(x-1)) - (9/(x-2)) Is the answer (2x^2 - 13x + 9)/(x^2 - 3x + 2), or can it be simplified further?
*January 6, 2015*

**Math**

2/(x + 4) + x/(x - 3) Is the answer (x^2 + 6x - 6)/(x^2 + x - 12), or can this be simplified further?
*January 6, 2015*

**Civics**

I think it is C
*January 5, 2015*

**Civics**

Why limit the jurisdiction of the Supreme Court? A. People prefer to go to local courts because they don't have to travel so far. B. The justices sitting on the court have a limited amount of time. C. Congress made decisions that limited the jurisdiction. D. The U.S. ...
*January 5, 2015*

**history**

What event started Lenin on the path to becoming a communist revolutionary?
*January 5, 2015*

**history**

Why did Marx call communism "the end of history"?
*January 5, 2015*

**math**

A woman walks 200 yards west along a straight shoreline and then swims 50 yards north into the ocean on a line that is perpendicular to the shoreline. Using her starting point as the pole and the east direction as the polar axis, give her current position polar coordinates. ...
*January 5, 2015*

**Math**

Thanks!
*January 5, 2015*

**Math**

I didn't get what you're saying
*January 5, 2015*

**Math**

e(x + 1) + e(x - 4) = ? e(2x - 3) or 2e(2x - 3)?
*January 5, 2015*

**Math**

Show how you can use repeated subtraction to find how many groups of 7 are in 28. Then write the division sentence for the problem.
*January 5, 2015*

**Math**

How did you get that?
*January 5, 2015*

**Math**

((x + 2)/5) + ((3x - 4)/10) Is the answer 5x?
*January 5, 2015*

**math**

i cant click into the website also, i just wanted to know how to divide 66 2/3 by 100 ...
*January 5, 2015*

**math**

write 66 2/3% as a fraction simplest form what i did: i put 66 2/3 over 100. i dont know how to divide that
*January 5, 2015*

**FIN 100**

P5: The following information is available to you: travelers’ checks = $1 million; coin and paper currency = $30 million; repurchase agreements and Eurodollars = $15 million; demand deposits = $25 million; retail money market mutual funds = $60 million; savings accounts ...
*January 5, 2015*

**Math**

Capacity Homework? I was doing my grade 8 math homework on capacity, and I was told to order the capacity of Vase A, B, and C from least to greatest. Vase C is a hourglass based prism, and I don't know the formula for it. Please help?
*January 5, 2015*

**math,trigonometry**

thank you so much !! :)
*January 5, 2015*

**math,trigonometry**

solve each triangle described below using Δ ABC : 1)a = 10, A = 16°, B = 49° 2)a = 8, b = 7, A = 88° I dont know how to do this i forgot ... could u help (Steve, or Mrs.Sue, or Writeteacher plz help) this topic is Oblique triangle
*January 5, 2015*

**art**

Jennifer throws a fair six-sided die, what is the probability that she throws either 1,2,3,4,5,or 6?
*January 5, 2015*

**Math**

Identify this polynomial as a perfect square trinomial, a difference of squares, or neither. 9a^2+9a+36 Is it difference of squares?
*January 4, 2015*

**Pre-calc/trig**

nvm for this one
*January 4, 2015*

**Pre-calc/trig**

5=log3(x^2+18)
*January 4, 2015*

**Fitness and nutrition**

What are the signs of heat exhaustion
*January 4, 2015*

**math**

If the temperature is 3°f at 10:00 p.m, and the temperature falls four degrees overnight, what is the resulting temperature
*January 4, 2015*

**Pre-calc/Trig**

For each parabola, find the vertex and focus. x= (1/400)y^2 y= 1/8(x-3)^2-1
*January 4, 2015*

**Pre-calc/Trig**

For each parabola, tell in which direction the graph opens. x= 1/2y^2 y= -1/24x^2
*January 4, 2015*

**Analytical Geometry**

a soccer game is being televised by a certain tv station. a camera is situated 10 meters away from the longer side of the soccer field and 7 meters from the middle part.
*January 4, 2015*

**math**

Draw a number line counting by 10s for 240
*January 4, 2015*

**Math**

John was visiting three cities that lie on a coordinate grid at (-4, 5), (4, 5), and (-3, -4). If he visited all the cities and ended up where he started, what is the distance he traveled? Round your answer to the nearest tenth. (like 3.2 or 5.7)
*January 4, 2015*

**english**

"keep on crying out, dont let me hit the ground" your soul is crying out, dont let hit me the ground"
*January 4, 2015*

**english**

What does don't let me hit the ground means? it's part of the verse in the song i chose to present in school please just give me an idea on what those words mean
*January 4, 2015*

**Physics, Math, Aerospace, Engineering**

That is not the correct value for a, you must divide f by m giving you .469m/s2 From there divide the original 99.1 m/s by .469m/s^2 to give you your time.
*January 3, 2015*

**Algebra2**

the -16 comes from the acceleration due to gravity. That is -32 ft/s^2. The general form starting at height h with upward velocity v is s(t) = h + vt + 1/2 at^2 where a is negative, since gravity pulls downward.
*January 3, 2015*

**language arts**

is it d?
*January 3, 2015*

**language arts**

choose the meaning of the word stealthily in the sentence. The spies moved stealthily among the colonists, trying to gather information for the British leaders A openly B noisily C swiftly D sneakily is it c or d?
*January 3, 2015*

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