06/12/18

A small bag of sand is released from an ascending hot-air balloon whose upward constant velocity is vo 1.85 m/s. Knowing that at the time of the release the bal
A small bag of sand is released from an ascending hot-air balloon whose upward constant velocity is vo 1.85 m/s. Knowing that at the time of the release the balloon was 32.8 m above the ground,... more
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06/12/18

A line2 is perpendicular to line1.Find its gradient.
Equations and their graphs
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06/12/18

Advanced function qestion
A stunt pilot is testing a new plane. The equation that models his height over time is f(x) =15x^2 - 195x + 950 , where x is his the time in seconds and f(x) is his height in metres. Determine when... more
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06/12/18

Point slope form
Enter an equation in point-slope form for the line. (-8,-8)  and  (-7,9)
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06/11/18

A cylindrical container has a diameter of 40cm and a height of 120cm. What is the maximum volume the container can hold?
please can u solve this question. 
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06/11/18

Electrostatics + Circular Motion
In a helium atom, two electrons orbit the nucleus that consists of 2 protons and 2 neutrons. If the atomic radius of helium is 3.1x10^-11 m, what is the average kinetic energy of the electrons?... more
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06/11/18

You buy a used car for $20,000. It depreciates at the rate of 21% per year. Find the value of the car for the given years. A. 5 years. B. 8 years.
algebra lb
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06/11/18

find half-life using exponential decay model with only 2 values given
Please help me understand the half-life using exponential decay model with only 2 values given.    An unidentified radio-active substance has a half-life of 17 years.  At the start of the... more
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06/11/18

Find the second order partial derivativer of the function x square y
find the 1second order partial dervatives of the function x2  y
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06/10/18

Write a quadratic equation in intercept form that has roots of both x=-3 and x=5.
I don't understand this question and I can't find any good help on YouTube or any other video websites
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06/10/18

Find two consecutive integers such that half times the first added to twice the second sums to 57
Having trouble solving this problem.  Please help!! 
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06/10/18

How can I make a modle to demonstrate electromagnetic induction???
Using a magnet how can I generate electricity 
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06/10/18

Ballistic Pendulum Question
A 0.02 kg bullet is fired into a 2.4 kg sandbag suspended by a wire of negligible mass. The entire system swings up to a height of 0.84 m. If the initial speed of the bullet is 490 m/s, what is the... more
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06/10/18

the positive number is subtracted from twice its reciprocal, the result is -23/5. What is the number?
x-1/x=-23/5
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06/09/18

what pair numbers follow 041
mah paris
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06/09/18

The spring concert at a certain high school sold 172 tickets. Students were charged ​$2 each and adults ​$6 each. The income from the sale of tickets was ​$724.
Please help!
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06/09/18

What happens to the atomic mass of two H-2 atoms when they undergo nuclear fusion to form one He-4 atom? Is the mass reduced by .63% of the original mass?
Chemistry question-fusion
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06/08/18

im lost on this equation
2x^−20x−2=0 exponent is 2
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06/08/18

the sum of four-fifths of m and thirty-four
problem form 
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06/08/18

How long would it take a cubic litre of ice (-18C) to melt with 0.018 /watts/m²/year?
The question is directly related to global warming
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06/08/18

Solvable for y
xp2-py+a=0
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06/08/18

Find the domain of the function
Find the domain of the function. (Enter your answer using interval notation.)f(x) = x + 4/x^2 − 36   How would I go about solving this?   Thanks
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06/07/18

Five times the difference between n and two
Put in math form 
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06/07/18

If you have a circle with a radius of 11 and a smaller circle inside of it with a radius of 4, what is the probability of hitting the smaller circle with a dart
I got 0.132 but it was wrong.
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06/07/18

Use algebra to solve for X in the matrix.
This is a 2x2 matrices problem. However, I am unable to type the matrices symbol in so I wrote it out.   Given A = 7  ,   x (top row) 15  ,  22 (bottom row). and the determinant for matrix A is... more
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