Friday

August 26, 2016
Total # Posts: 98,857

**Science - Chemistry**

atrom cannot be divide in well prove it
*April 29, 2016*

**Algebra**

f(x)=sqrt(x+4)+sqrt(4-x) Find X and Y intercepts
*April 29, 2016*

**Algebra**

For which k will the graph of f(x)=x^2−kx+k^2 cross the x-axis twice?
*April 29, 2016*

**History**

explain how i should answer this
*April 29, 2016*

**History**

Pattern your letter like the Declaration of Independence, but be sure to write everything in your own words. In this way, you will show you understand the meaning of the declaration. In your letter, be sure to include the following: reasons for writing beliefs about government...
*April 29, 2016*

**physics**

A sled is moving at a constant speed down a surface inclined at 45.0° with the horizontal and travels 30 meters in 4 seconds. Calculate the vertical velocity of the sled at the end of 4 seconds.
*April 29, 2016*

**physics**

A sled is moving at a constant speed down a surface inclined at 45.0° with the horizontal and travels 30 meters in 4 seconds. Calculate the vertical velocity of the sled at the end of 4 seconds.
*April 29, 2016*

**Science**

A desert is hot and has less life. A forest has neutral to humid environment and has hundreds of species.
*April 29, 2016*

**Computers**

find out the program to calculat calander in flow chart methode
*April 29, 2016*

**Math (Probability)**

For the first one, I think it is B P(red and red) = 12/20 * 8/13 (Don't forget to add the total number of balls) Second one is C P(1 then 10) = 6/20 * 2/19 Since you take one note without replacing, the total number of notes is reduced by 1 from 20 to 19 The third one is A...
*April 29, 2016*

**Math**

Just divide 6 feet by 4 3/4 inches and round down
*April 29, 2016*

**alg**

I would multiply 4 in to get 4x^2-24x+20 Then factor out 4 4(x^2-6x+5) Complete the square inside the bracket 4[(x-3)^2-9+5] = 4[(x-3)^2 -4]= 4(x-3)^2 -16 I would think it is +16 needed to complete the square
*April 29, 2016*

**math**

Is this division?
*April 29, 2016*

**Cape he loped high school**

Let total no. of lemonade and orange juice cups sold be x and y respectively. x+y=100 2x+3y=240 Solve for x and y :)
*April 29, 2016*

**kenowa hills**

During the pre interview stage
*April 29, 2016*

**science**

It always help to draw a diagram Hooke's law F=kx x is the extension of the spring Force F is acting on the stone when it is still in the catapult, travelling distance x. x=F/k=36/72 Initial velocity u = 0 "Final" velocity v = ? Acceleration a = F/m - mg ...
*April 29, 2016*

**history**

Which of the following is true of Japan today?
*April 28, 2016*

**college mathematics**

Determine whether each pair of triangles is congruent. b. Triangle 1: angle 53 , side 28 meters, and angle 37 Triangle 2: angle 53 , side 28 meters, and angle 37
*April 28, 2016*

**college mathematics**

Determine whether each pair of triangles is congruent. a. Triangle 1: sides 8 inches, 11 inches, and 14 inches Triangle 2: sides 11 inches , 14 inches, and 8 inches
*April 28, 2016*

**Physics**

Upthrust = weight of object = 2.8*g N
*April 28, 2016*

**math**

Basically they're just asking you to simplify the expression Combine like terms means combining terms with x and normal constants together (4/5 x + 3) - (1/4 x - 1) = 4/5x - 1/4x + 3 + 1 = etc etc
*April 28, 2016*

**physics**

Sorry the formula is 4/3 pi r^3
*April 28, 2016*

**physics**

Use the formula density=mass/volume Find volume of the star I assume that the star is a sphere so volume = 4/3 pi r^2 From the volume, you can find radius :)
*April 28, 2016*

**Alias robert**

a car starting from rest is accelerated at 2m/s(square) for 10s, then moves at constant velocity for 20s and then decelerates at 1m/s(square), finally stops. how far does it travel during its trip? please help me! I need in solution for that problem
*April 28, 2016*

**math**

Jake spent 3/8 of his money on a DvD and 1/2 of what was left on a sandwich. He now has $6.25. How much money did he start with?
*April 28, 2016*

**math**

Madison Square Garden in New York City is built in the shape of a circle. Its diameter is 404 feet and it accommodates 20,234 spectators. To the nearest tenth, of a square foot how much area is there for each spectator?
*April 28, 2016*

**Math**

I meant 3/8 of his money
*April 28, 2016*

**Math**

Jake spent 3/80 of his money on a DvD and 1/2 of what was left on a sandwich. He now has $6.25. How much money did he start with?
*April 28, 2016*

**math**

Brian's kite is flying at the end of 82 of string. His end of string, is 3 feet off the ground. the angle of elevation of the kite is 55 degrees. What is the height of the kite?
*April 28, 2016*

**science**

A 9-volt battery supplies 0.125 A of electrical current to a toy car. The car has a mass of 0.100 kg and the coefficient of friction between the tires and the ground is 0.4. If the car is 100% efficient, how far will the car travel in 10 seconds?
*April 28, 2016*

**science**

A 2 kg mass is hanging from a spring with a constant of 1500 N/m. What is the elongation of the spring?
*April 28, 2016*

**Math**

A rocket is launched from the top of a 50 foot cliff with an initial velocity of 120 feet per second. The height, h, of the rocket after t seconds is given by the equation h=-16t^2 + 120t+ 50. How long after the rocket is launched will it be 10 feet from the ground?
*April 28, 2016*

**Math**

Idk
*April 28, 2016*

**Math**

13.333 Choices are 10, 12, 15, 16
*April 28, 2016*

**Math**

There were 12 new trucks brought to the sales lot on Monday. Three of them were red. At this rate if 40 trucks are brought to the lot by Thursday, how many of them will be Red?
*April 28, 2016*

**Math**

Ann earned $30 babysitting and $15 painting a fence.How do her earnings compare with the cost of a $70 chemistry set?
*April 28, 2016*

**Geometry**

What is rs
*April 28, 2016*

**Geometry**

Find the radius of a right cone with slant height of 21 m and surface area of 232pi..
*April 28, 2016*

**Algebra **

Arithmetic Sequence : Determine whether f(n) is an arithmetic sequence, circle yes or no . Identify the common difference . __________________ 1. N 1 2 3 4 5 F(n). 2 4 6 8 10 ___________________
*April 28, 2016*

**Geography**

I meant to put geometry.
*April 28, 2016*

**Geography**

Surface area of 232pi
*April 28, 2016*

**Geography**

find the radius of a right cone with slant height of 21 m and surface area of 232
*April 28, 2016*

**LA**

ok thank you I think I got it
*April 28, 2016*

**LA**

I read it but im confused on what to write
*April 28, 2016*

**LA**

no I know how to write an essay already
*April 28, 2016*

**LA**

no i meant can you help me write an essay about the question
*April 28, 2016*

**LA**

can you help me write the essay
*April 28, 2016*

**Math**

I am thinking of a number When I subtract 15 and multiply the answer by 6, I get 48
*April 28, 2016*

**Physics**

An object attached to a 0.5 m string completes 4 rotations in one second. find the linear velocity(m/s) and the angular velocity(rad/s).
*April 28, 2016*

**Physics**

A 0.50 kg mass is attached to the end of a string swing in a vertical circle(radius=2.0m). When the sting is horizontal, the speed of the mass is 8.0 m/s. What is the magnitude of the force of the string on the mass at this position?
*April 28, 2016*

**Fine Arts**

Sorry I hit post to soon. The Culture, Catholicism, and Controversies of Chief Quipuha The work I chose for my final essay is The Statue of Chief Quipuha (Ke puha), which is located on Paseo de Susana Peninsula in Hagåtña, Guam. The statue was built in July 1976 ...
*April 28, 2016*

**Fine Arts**

Good Morning, I am seeking assistance on my Fine Arts essay. I greatly appreciate your feedback. 1)what art i have chosen to talk about. how old is it. who is responsible for it and the medium/materials used. 2)detailed description of the piece. 3)why i was drawn to it. 4)...
*April 28, 2016*

**Physics help**

how much more intense is 75 db compared to 25 db
*April 28, 2016*

**Physics**

Two positive charges one 2uc and the other 7uc are separated by a distance of 20cm, what is the magnitude of the electrostatic force that each charge exerts upon the other
*April 28, 2016*

**english**

sat skills. write the word in the space provided. 1-how sad it to see such beautiful flowers ----------- and die! 2-a person can usually tell how popular a new movie is by the length of the ----------- in front of the box office. 3-the desire to be the world's top tennis ...
*April 28, 2016*

**romeo and juliet**

examine capulets conversation with paris. how does capulet feel about daughter
*April 28, 2016*

**physics explanation **

When a baseball gets hit by a baseball bat, what different mechanical models would be used to find where the ball will land, how & when each Mechanical model would be put to use, and how each model describes & explains motions
*April 27, 2016*

**college mathematics**

e. Find the volume of a sphere with a radius of 8 meters. please show work.
*April 27, 2016*

**CHM130**

3.77 L of o2
*April 27, 2016*

**Algebra**

A linear function follows the form f(x) = mx + b, where m is the slope and b the y-intercept. We are given the point (4, 3) and that m = .5, so we can solve for b. f(4) = 3 = .5(4) + b So b = 1. The function is therefore f(x) = .5x + 1
*April 27, 2016*

**college mathematics**

d. Find the volume of a rectangular box that measures 6 inches by 4 inches by 2 inches.
*April 27, 2016*

**Math**

12(2)+10+d=80 or 80-(12(2)+10)=d
*April 27, 2016*

**algebra**

slope = (1532-14)/(58-13) = 1518/45 = 506/15 y - 14 = (506/15)(x - 13) check my arithmetic
*April 27, 2016*

**Discrete Structures**

Consider the divisibility relation on the set S = {-5,-3,-2,2,3,5} To be more precise, this is the relation: R = {(x, y) ∈ S^2| x divides y}. Is the relation Reflexive? Symmetric? Anti-symmetric? Transitive? ----------------------- The relation is reflexive because all ...
*April 27, 2016*

**Geography**

What is the formula for the area of a hexagon
*April 27, 2016*

**Geometry**

The surface area of a right cylinder is 112 pi cm ^2. If the radius is 4cm, what is the height of the cylinder?
*April 27, 2016*

**maths**

how to find area of trapezium
*April 27, 2016*

**Physics**

A plane travels 1000 km at an angle of 40 degrees East to North, then changes direction and travels 500 km at an angle of 20 degrees North to East. What is the magnitude and direction of the planes total displacement?
*April 27, 2016*

**energy**

A 9.97kg object slides along the frictionless loop the loop with a diameter of 3 m . what minimum speed must it have at the loop in order to remain in contact with the loop ?
*April 27, 2016*

**Math**

During a tournament, 4 players on the school golf team drank equal amounts of water from a 6-liter water jug. They drank all of the water. Which equation can be used to find the number of liters of water that each player drank?
*April 27, 2016*

**math**

if 7 is added to a number and the sum is doubled, the result is 19 less than the number
*April 27, 2016*

**Life orientation**

Memorandum for life orientation of research on human Rights violation that has taken place in your community.
*April 27, 2016*

**Life orientation**

Three human rights violation or discrimination
*April 27, 2016*

**Life orientation**

Xenophobia,disability discrimonation,racial discrimination
*April 27, 2016*

**Math**

Given the geometric sequence: 26, 2617, 26289, ⋯ Find an explicit formula for an, where the first term is a1=26. an= Find a6= please help out
*April 27, 2016*

**chemistry**

how do i get pure samples from a mixture of potassium carbonate,ammonuim chloride and copper (ii)oxide
*April 27, 2016*

**chemistry**

explain how you can obtain pure samples from a mixture containing ammonium chloride,copper(ii)oxide and potassium carbonate
*April 27, 2016*

**GEN.**

WHAT is BACKground?
*April 27, 2016*

**chemistry**

explain how you can obtain pure samples from a mixture containing ammonium chloride,copper(ii)oxide and potassium carbonate
*April 27, 2016*

**Economic**

I want answers for this questions
*April 27, 2016*

**Economic**

What are welfare payments or consumer subsidies ?
*April 27, 2016*

**Economic**

What are welfare payments or consumer subsidies ?
*April 27, 2016*

**Spanish**

Would "sino" or "sino que" be used if the following noun is modified by a past participle? for example: ... sino (que) la destrucción hecha por los conquistadores. Thanks!
*April 27, 2016*

**math **

Find an equation of the line that (a) has the same y-intercept as the line y+2x-12=0 and (b) is parallel to the line 5x+12y=8 Write your answer in the form y=mx+b
*April 27, 2016*

**math**

Using the simple interest formula, how much interest is charged on a 30 year $100,000 house loan at 6%?
*April 26, 2016*

**math**

Using the simple interest formula, how much interest is charged on a 30 year $100,000 house loan at 6%?
*April 26, 2016*

**math**

Please help!
*April 26, 2016*

**math**

anybody can show me how you get the answer? I have another question similar to this.
*April 26, 2016*

**math**

Can anybody help me how to solve this problem? Thanks
*April 26, 2016*

**math**

Assume an exponential function has starting value 21 and growth rate of 137%. What an equation to model the situation. The equation is y=
*April 26, 2016*

**math**

I need help for math
*April 26, 2016*

**AP Physics**

A car with a mass of 1200 kg kg starts from rest and accelerates to a speed of 12 m/s in 12.2 s. Assume that the force of resistance remains constant at 328 N during this time. What is the average power developed by the car’s engine? Answer in units of W.
*April 26, 2016*

**Math**

Kimmy's toy box is 3 feet tall, 6 feet long and the width is half of what it is tall. How many cubic feet of space are inside Kimmy's toy box?
*April 26, 2016*

**math**

Is (7,9) correct?
*April 26, 2016*

**math**

What is the missing coordinate that would make the following shape a rectangle? (4,8),(12,8),(12,16)? Edit
*April 26, 2016*