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Total # Posts: 107,888

Social Studies
What were the answers for the test?

physics
A positive and a negative charge, each with a magnitude of 1.41 x 10^-5 C, are separated by a distance of 0.44 m. Find the force on each of the particles.

SS
rude.. I have seen you help people more than twice.

SS
ok. how about b?

SS
Are they both D?

SS
I think 1. is D and 2. is not A.

SS
I also need help with 2. Which of the following best reflects a shortcoming of the Kellogg-Briand Pact? A. It was unable to militarily prevent Hitler from marching into the Sudetenland. B. The United States did not participate. C. The Pact could only be enacted under an ...

SS
1. What is true about both Germany and Italy leading up to World War II? A. Both believed they had a right to land outside of their borders. B. Both countries owed repayments for World War I. C. Both wanted revenge for WWI. D. Both wanted to transform into a leading world power.

math
A customer purchased a jacket for $65. This was 80% of the original price.

math
The number of employees at a plant continually fluctuates. One month started at 568. Then 102 employees were hired, and the next 57 employees were displaced. If the plant then plans to add 10% more employees, how many will it have?

jk
A ball is projected horizontally with a initial velocity 8m/s .Find its position and velocity after 1/4 second

health
This is the articlle I found when I searched this Question. Hope it helps! This smooth appearance starkly contrasts with the banded appearance of cardiac and skeletal muscles. Cardiac Muscle. Found only in the heart, cardiac muscle is responsible for pumping blood throughout ...

Chemistry
A Catalyst.

Calculus
Solve the initial value problem. 7x^6-3x^2+5 and u = 1 when x = 1. Is this x^7 - x^3 + 5x - 4?

math
walter deposits $5,000 in a bank account that pays 9% simple interest. If he doesn't change the principal, what will his balance be in 4 years?.

Calculus
for -3cos + 5...

Calculus
Solve the initial value problem. dy/dx = 3 sinx and y = 2 when x = 0. Is this c = 5?

math
After sales tax is added the total cost of 58.00 dollars purchade is 61.48 dollars What is the sales tax rate on the purchase?

Chemistry
I think you mean to say, "check your typing skills."

Chemistry
Which of these will have a volume of 22.4 L at STP? A) 12.01 g of C(s) B) 16.4 g of CH4(g) C) 36.46 g of HCl(aq) D) 32.05 g of CH3OH(l) E) 22.00 g of CO2(g) I am not really sure how to verify that a particular substance will be at these conditions.

Math
Half of a circle is shaded. The diameter is 32cm. Calculate the area of the shaded region.

Physics
The wavelength of the emitted light from a laser is determined by which of the following? a. the active medium's composition b. frequency of the amplifying radiation c. the lasing tube's length d. all of the above

Math - Calculus
Yeah, how dare I ask for clarification on something I'm trying to understand.

Math - Calculus
Are endpoints also critical points? I'm trying to find the critical points of a function on the interval [-1,5]. So far,the only critical point I have is 2. Does that mean -1 and 5 are also critical points?

natural science/bio
flow diagram of circulatory and respiratory system combined

Physics
How does the electrical force relate to the charge of an object? It is inversely proportional to the square of the charge. It is directly proportional to the square of the charge. It is inversely proportional to the charge. It is directly proportional to the charge.

Physics
Which factors affect the electrical force between two objects? mass and distance between them charge and distance between them mass and electric field strength charge and mass

Physics
What is stimulated emission? a. the process of distinguishing between sources of electromagnetic waves. b. the process of reducing mechanical waves' energy. c. the process of amplifying sound waves. d. producing move light waves which are coherent with an incident light ...

@Ms. Sue
Ms. Sue you always make problems for everyone here. You always wonder why you get so much hate.

physics
The efficiency of a machine is 80%. Determine the work done by a person using this machine to raise a load of 200kg through a vertical distance of 3.0 (take g = 10m/s)

Science
1c 2b 3c 4b

Math help! Hurry Please~
is yea agala, right?

MATH
Good luck

MATH
Lesson 3: Function Rules CE 2015 Math 7 B Unit 3: Patterns and Rules heellllllllp

MATH
1. Jacob mixes the letters J, K, L, J, K, M, N, and P thoroughly. Without looking, Terry draws one letter. Expressed as a fraction, decimal, and percentage, what is the probability that K will not be the letter Terry selects? (1 point) one-fourth, 0.25, 25% three-fourths, 0.75...

Math Calculus
Find critical points and extreme values on the interval [-1,5]: f(x)=|x^2-4x+3|

Math - extreme values
Identify the critical points and find the extreme values on the interval [-1,-5) for f(x)=cosx+xsinx+3 I've taken the derivative which gives me f'(x)=xcos(x). I know I have to solve to get the critical points and then plug in the critical points that are on the ...

Ethics
is it ethical to require patients to participate in a clinical trial in order to obtain, or have a chance of obtaining, an unproven but potentially life-saving treatment? Im not certain.. It would be unethical to use people in a developing country as research subjects in ...

math
I don't know where to start.The questions says: Give an inequality that has the given solution: a) -2 < or = X < or = 7 Am I supposed to substitute something? Or just guess an equation that might work?

Math\
Find the smallest number which is greater than 4444 n divisible by 8 formulas

Math
I brought 10 bananas.Each banana weighed 50 grams. If the price of bananas was $6.50 per kilogram, how much did i pay?

Math - Calculus
A piece of wire 16cm long is cut into 2 lengths, one of which is bent into a circle, the other into a rectangle with one side three times the other. a) Determine the ratio of the longer length of the rectangle to the radius of the circle if the sum of the areas of the circle ...

6th grade math
3(12)+5(8) = ?? Can you finish from here?

math
If when you solve, the x's cancel and you are left with something like 5=5 that means there are an infinite number of solutions. This means that any number you choose will work. If you are left with something false like 0 =5, then there are no solutions. 5x -15 + 6 = 5x - ...

Probability: Combinations
Combination because choosing Joe and Sam is the same as choosing Sam and Joe. Some might thing 6 x 5 = 30, but that is wrong because order doesn't matter as stated above. 6!/4!2!

Math
864 times 2

Physics
"The principle of superposition of waves states that when two or more propagating waves of same type are incident on the same point, the resultant amplitude at that point is equal to the vector sum of the amplitudes of the individual waves." Is the answer b?

Physics
When interference happens with two monochromatic light waves, which of the following is a characteristic of the amplitude of the resultant wave? a. it is zero. b. it is equal to the sum of the amplitudes of the component waves. c. less than the amplitude of either of the ...

Social Studies HELP.
Any answers?

Social Studies HELP.
10. What non-weapon tactic did the Allies use effectively against the Nazis? A. sending troops to non-combat areas to divert attention from the real target B. sending propaganda to European nations denouncing the Nazis C. sending battlefield communication in the Navajo ...

social studies
in what region of the united states were most of the nations cities located by 1850s

Social studies
Were loyalists refugees? Why or why not? In what way did their experience as farmers make life easier for them in Canada?

Calculus
At a sand and gravel plant, sand is falling off a conveyor and onto a conical pile at a rate of 6 cubic feet per minute. The diameter of the base of the cone is approximately three times the altitude. At what rate is the height of the pile changing when the pile is 22 feet high?

SS
D?

SS
Someone help this practice is difficult

SS
How did President Hoover’s approach toward the economy compare with Calvin Coolidge’s approach? 1. Both devoted time and government money to public assistance programs. 2. Both believed businesses should be responsible for American prosperity. 3. Hoover, unlike ...

chemistry
Which of the following bases is the weakest? 1)(CH3)2NH , Kb = 5.1 x 10–4 2)ClO–, Kb = 2.9 x 10–7 3)SO42–, Kb = 8.3 x 10–13 Im thinking the answer is 2, but im not100%

english
true or false An adverd is a word used to modify a verb.

Science
In a heat engine, if 700 J of heat enters the system, and the piston does 400 J of work, what is the final internal (thermal) energy of the system if the initial energy is 1,200?

math
In the triangle below, mc005-1.jpg represents which ratio? mc005-2.jpg

physics
Spaceship 1 and Spaceship 2 have equal masses of 300 kg. Spaceship 1 has a speed of 0 m/s, and Spaceship 2 has a speed of 4 m/s. What is the magnitude of their combined momentum?

physics
If a car has a mass of 400 kg and a velocity of 30 m/s to the east, what is the magnitude of its momentum?

chemestry
It won't matter. Your atrocious English skills will prevent you from explaining it to anyone. and that's "cataracts"

Math
To play a game, you spin a spinner like the one shown.you win if the arrow lands in one of the areas marked win.lee played this game many times and recorded her results. She won 8 times and lost 40 times. Use lees data to explain how to find the experimental probability of ...

Math
Tom had 5 3/8 lbs. Of trail mix. He is putting 1/4 lbs. In as many bags as he can, how many can he make?

Calculus Answer Check
Oops, the question asks to find the average on [10,70].

Calculus Answer Check
Rocket A has a positive velocity v(t) after being launched upward from an initial height of 0 feet at t=0 seconds. The velocity of the rocket is recorded for certain values of t over the interval 0 <= t <= 80 seconds, as shown below. t(seconds),v(t)(ft/sec) = (0,5),(10,...

Math
In Carolina's class, 6/16 of the children have freckles. of the children with freckles, 1/12 have red hair. what fraction of Carolina's class has red hair and freckles?

Math - Optomization
A cylinder is inscribed in a right circular cone of height 6.5 and radius (at the base) equal to 5.5. What are the dimensions of such a cylinder which has maximum volume?

Math
Find the point on the line 7x+1y?2=0 which is closest to the point (?1,?3).

Calculus
All edges of a cube are expanding at a rate of 8 centimeters per second. (a) How fast is the volume changing when each edge is 4 cm? (b) How fast is the volume changing when each edge is 10 cm? Kind of confused... V = x^3 dx/dt = 8 dV/dt = 3x^2 dx/dt (a) When x = 4, ??? (b) ...

Physics
Thank you :)

Physics
If the distance between two charges is increased to three times the original distance, how will the electrical force between the charges compare with the original force? It will increase to three times the original force. It will increase to nine times the original force. It ...

Math
When your doing your math classwork try matching up the problems with Khanacademyits free and gives you immediate feedback when you are wrong and how to do the problem. The key is to actually learn this math. Then when you get stuck on classwork you can get the Tutor or ...

Math
Post the questions and YOUR answers and I can help you check them. You shouldn't just ask for answers. That is directly cheating.

Language arts
Natasha don't worry, you just have a nerd telling you can't have help

Probability
2/x^2

Technical writing
In December, 2013, I visited my aunt for Christmas in Allentown, Pennsylvania, for the first time in 20 years.

Technical writing
You are correct.

Math
/Users/Parents/Desktop/Screen Shot 2017-03-08 at 9.43.55 AM.png

Long Division
****** x^2 + 4 x + 3 (x-4)| x^3 + 0x^2 -13 x - 18 ****** x^3 - 4x^2 *********** +4x^2 -13 x - 18 *********** +4x^2 -16 x ***************** +3 x - 18 ***************** +3 x - 12 R = -6

math
2/3 = 2/3 = +0.666667 not -.6

Physics - Forces
180 sin 37 = 108 N up from force 10 * 9.81 = 98.1 N down from weight difference is to be made up by friction 108 - 98 = 10 N friction down now is that less than the friction max allowed? that is your .2*180 cos 37 = 28.7 so we have much more friction available than we need

English Lit
Manuel Munoz "leave your name at the border" and Maya Angelou "Whats your name girl" Discuss the importance of names as it relates and shapes identity. Compare and contrast these two works and how each contributes whether negatively or positively to how ...

math please check
Following the BODMAS rule, brackets go first. (13-2)^2 + 14 -(12/3) = 11^2 + 14 - 4 = 11^2 + 10 = 121 + 10 = 131

math NEED HELP ASAP
The Royal Fruit Company produces two types of fruit drinks. The first type is 60% pure fruit juice, and the second type is 100% pure fruit juice. The company is attempting to produce a fruit drink that contains 70% pure fruit juice. How many pints of each of the two existing ...

Chemistry
Ross pours water at 6.0 C into a container with a pressure of 23. torr. He then boils the water to a temperature of 34 C. The volume changes to 18. mL and pressure to 78. torr. What was the initial volume of the water?

Physics
A box is suspended by a string from the ceiling of an elevator. The string supports the box with a force of 17.0 N when the elevator is accelerating downwards at 1.70 m/s2. What force would the string exert if the elevator was moving upwards at a constant velocity

Physics
You are skiing down a down a slope angled at 30o to the horizontal. You acceleration is 2 m/s2. What is the coefficient of kinetic friction between you and the hill?

Physics
The A box is being pulled by a rope across a level floor as shown in the diagram. The box is accelerating at 1 m/s2, the coefficient of kinetic friction is 0.5. What is the tension in the rope?

Calculus
Consider the function on the interval (0, 2?). f(x) = x + 2 sin x relative maximum (x, y) = relative minimum (x, y) = From when I worked out using the first derivative test, I ended up with (2?, 0) for the max and (0,0) for the min. Apparently this isn't correct.

Math
A triangle is cut from a 14 in by 12 in rectangle. The triangle is cut so the 12 in side is now only 6in. Therefor, the new area is 84 square ft. What is an equation to represent this word problem?

Math
A triangle is cut from a rectangle. The height of the triangle is half of the unknown side length ss. The area of the shaded region is 84 square inches. Write an equation you can use to find the side length ss. An equation is __________ =84 Help me with an equasion

math 73
if creamery is 22% butterfat. how many gallons of cream must be mixed with milk testing at 2% butterfat to get 20 gallons of milk containing 4% butterfat

Calculus
Consider the differential equation dy/dx = x^2(y - 1). Find the particular solution to this differential equation with initial condition f(0) = 3. I got y = e^(x^3/3) + 2.

Science
Thank you Damon

Science
@bobpursley I actually tried, guess I'm just stupid so thanks.

Science
PLEASE CHECK MY ANSWERS :) answers marked below 1. Which of Earth’s spheres contains most of its mass? (1 point) atmosphere *** hydrosphere geosphere biosphere 2. Erosion and weathering are examples of which types of forces? (1 point) constructive forces destructive ...

L.A.
It's important to be patient on this website. Ms. Sue has to help other students too.

math
Your welcome :)

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