11/05/17

If an isotope of silicon were counted to have 14 protons and 20 neutrons, what is its mass number?
I'm struggling with Chemistry and this question has me confused
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11/05/17

Find an equation for the line parallel to f(p)=-6p+2 that goes through the point (-4,-2).
Find an equation for the line parallel to f(p)=-6p+2 that goes through the point (-4,-2).   Write your answer in the form f(p)=mp+b   F(p)= ? 
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11/05/17

Find the x-intercept of f(x) = 1/3x-1
Find the x-intercept of f(x) = 1/3x-1    x-intercept = ? 
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11/05/17

If the density of lead is 11.34 g/cm3, find the mass of a cube that is 5.0 cm long on each face.
This is all of the information I know I am struggling with Chemistry.
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11/05/17

The spring of a spring gun is compressed a distance (d) of 3.2 cm from its relaxed state, and a ball of mass m = 12 g is put in the barrel.
With what speed will the ball leave the barrel once the gun is fired? The spring constant is 7.5 N/cm. Assume no friction and a horizontal gun barrel.
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11/05/17

an ideal gas in a sealed container has an initial volume of 2.65 L. at constant pressure, it is cooled to 18.00 degrees C where its final volume is 1.75 L.
what was the initial temperature?
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11/05/17

According to Boyle’s law, the volume of a gas is inversely proportional to its pressure if the _____.
nothing els  
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11/05/17

Find the point on the line -6 x + 5 y - 6 =0 which is closest to the point ( 4, 5 ).
 please help answer asap
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11/05/17

How did the constitution achieve a separation of powers?
8th grade social studies pre ap
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11/05/17

Decay constant of radioactive isotope
A radioactive isotope decays according to the formula A(t)=Aoe^kt, where t is time in years. The initial amount was 10g and 8g of the isotope remained after 5 years. a) Find the decay constant,... more
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11/05/17

Find the deceleration from 40m/s to 0m/s in 8 seconds
Find the deceleration in m/s/s from 40m/s to 0m/s in 8 seconds.
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11/05/17

when using Biot-savorts law, when do I use uI/2pir and uI/4pir and what is the difference between them
 I have been having trouble distinguishing when to use either or. Does it matter about the shape? is it dependent on the length of the wire?
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11/05/17

Factoring polynomials
Why is this polynomial prime?   x2+100   when factoring this, why it can be factored as (x+10)(x+10)?   I am sorry I am trying to understand this type of polynomials     Thank you!
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11/05/17

If 209 is equal to 84% what percent is 228 equal to?
im in middle school. my teacher printed a report. at the time I had 209 points in her class. My grade was 84%. i earned 16 points. Now I'm at 125. I'm gonna get another 3. tuen what percent will my... more
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11/04/17

For every 1000 steps is 92 cents how many steps to get to 3000 dollars
I need I answer 
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11/04/17

Distance word problem!
Roberto and Sherona began hiking from their campground. Roberto headed south while Sherona headed east. Roberta walked 12 mi and Sherona walked 5 mi. How far apart were they when they stopped walking? more
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11/04/17

One number is equal to the square of another. Find the numbers if both are positive and their sum is 600
i need help
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11/04/17

Modeling and Graphing Linear Function:
Modeling and Graphing Linear Function: 1. Construction is occurring in downtown Los Angeles on an empty plot of land. Starting from the ground up a skyscraper is built to a height of 1,206 feet.... more
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11/04/17

Find the point of the line
Find the point on the line 5x+3y+3=0 which is closest to the point (-3,3).   =(?, ?)
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11/04/17

A particle of mass 10kg sliding across a rough horizontal plane comes to rest in a distance of 45m. Find the coefficient of friction
A particle of mass 10kg sliding across a rough horizontal plane comes to rest in a distance of 45m. Its initial velocity was 3.5ms^-1. Find the coefficient of friction
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11/04/17

A particle is projected up a smooth plane, inclined at 60 to horizontal with speed 4ms^-1. When 1ms^-1. How far will the particle have travelled up the plane
A particle is projected up a smooth plane, inclined at 60 degrees to the horizontal, with speed 4ms^-1. When the speed is 1ms^-1. How far will the particle have travelled up the plane
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11/04/17

If I have 8 lions, 2 monkeys, 4 giraffes and 6 lepoards what is the probability of picking one animal and it being a monkey?
Need help please. 
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11/04/17

one number is 30% more than another number. Their sum is 23. what are the two numbers?
 i need help solving this, been stuck on it forever.can you help me ASAP?
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11/04/17

Dividing Fractions Problem - Why does order matter?
Billy made 1/2 a quart of lemonade. Each glass holds 1/6 of a quart. How many glasses will Billy be able to fill? Question: Why do I have to do 1/2 divided by 1/6? Why can't I do 1/6 divided by... more
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11/04/17

Do soldiers get there uniforms when they join the military
It is about the military uniforms
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