02/20/18

Three point charges are arranged on the line, what is the electric potential of the system?
Three point charges are arranged on the line. Charge q1=-5nC and is at x=-4cm, charge q2=-3nC and is at x=4cm, charge q3=+3nC and is at x=2cm. What is the electric potential energy of this system?
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02/20/18

Let y = 6. What is the value of 5y?
 help me
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02/20/18

How do I find the radius of a circle given the only the area?
Find the radius of a circle with an area of 1676.39cm2 
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02/20/18

what is mass of 0.65 moles of Mg(OH)2?
What is its mass?
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02/20/18

Change 675° to racism measure in terms of pi
Change 675° to racism measure in terms of pi
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02/20/18

In the equation y = 2x2 - 6x - 8, which of the following is a value of x when y = 0?
In the equation y = 2x2 - 6x - 8, which of the following is avalue of x when y = 0?
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02/19/18

Find three consecutive integers such that the sum of the first, two times the second and one half the third add up to 24
This is for a math class I’m currently taking and need a little bit of extra help with this problem
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02/19/18

How do u solve x^2+4x+3=0
I could really use help on this algebra question 
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02/19/18

The sum of 4 times a number and -7 added to 5 times the number
I needed help with this mat problem
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02/19/18

do you have a reason to question the results of the following hypthetical studies?
Astudy of the academic preparation of highschool language arts teachers used the teachers SAT mathematics scores for the data
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02/19/18

List three architectural features developed or made popular by the romans
What are three architectural things roman made popular
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02/19/18

Why were Persia and Greece frequently at war and why did the Persians eventually fall to the Greeks?
Why were Persia and Greece frequently at war and why did the Persians eventually fall to the Greeks?
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02/19/18

For each value of w , determine whether it is a solution to w-27=9 .
i dont get this question
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02/19/18

Gas law Question
 A container is filled with an ideal gas to a pressure of 15.0 atm at 0°C:   If the volume of the container doubles and the temperature is raised by 25°C, what will the new pressure be?
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02/19/18

Tell where the given value is a solution of the inequality 5+j>8;j=7
I don't understand this and i need help
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02/19/18

Electron configuration
An atom of which element has the following electron configuration: 1s22s2? - Boron - Neon  - Beryllium - Fluorine
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02/19/18

A block cut from asteroid rock was measured to have dimensions: 13.3mm x 12.4mm x 15.2mm. Find the volume of the block. Give your answer in standard form.
I need help with this question
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02/19/18

Electron configuration
what is the shorthand electron configuration of a potassium ion? - [Ne]3s23p6 - [Ne]3p8 - [He]3p6 - [He]3s23p5 - [He]3s33p4  
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02/19/18

Electron configuration
What is the ground-state electron configuration of an oxygen atom? -[He]2s32p3 -[He]2s22p4 -[Ne]2s22p4 -[He]2p6 -[Ne]2p6
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02/19/18

Differentiate w=(tan(x)+cos(4x))^3
I just dont know how to do it.
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02/19/18

calculate the height of a cylinder whose base area is 12 m^2 and whose volume is 48m^3 ??
calculate the height of a cylinder whose base area is 12 m^2 and whose volume is 48m^3 ??   please help me !
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02/19/18

Neutrons in an atom of Ne-22
how many neutrons are present in an atom of Ne-22?
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02/19/18

Forces- draw diagram and find force
A 1500 kg car is driving at 20 m/s. The driver wishes to stop over a distance of 30 m. (a) Draw a force diagram for the car. (b) What force must the brakes apply to the car to do this?
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02/19/18

Surface area of hollow hemisphere =4 pi r2
surface area of hollow hemisphere =4 pi r2  
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02/18/18

Was World War II the first word to use mass-produced machines such as tanks and machine guns
True or false  
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