02/26/20

Physics Capacitance
A parallel-plate capacitor has a plate separation of 0.0015 m and is charged to 700 V.If an electron leaves the negative plate, starting from rest, how fast is it going when it hits the positive... more
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02/26/20

What is 4 times a number is twelve less than twice the number, as an equation

This has stumped me in every way possible, please help me find this equation, if you do thank you soooooo... more
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02/25/20

How to integrate this differential equation? Applied Maths
dN/dt = aN + bN2(Where N is variable, a and b are constants)N(0) = N0This is what Im supposed to get:N(t) = (aN0) / ((a-bN0)e-at+bN0)I tried completing the square and a lot of other ways and I just... more
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02/24/20

Find the value of k such that (2,0) is an x-intercept for the graph of f(x)=kx^5-x^2+5x+8
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02/24/20

One end of a pool is a verticle wall 16 ft wide.
One end of a pool is a verticle wall 16 ft wide. What is the force exerted on this wall by the water if it is 7 ft deep? The density of water is 62.4 lb/ft^3.
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02/24/20

Physics help!!!!

Two friends, Joe and Sam, go to the gym together to strength train. They decide to start off with an exercise called flat bench press. Lying flat on a bench with his arms in an extended position,... more
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01/29/20

If cos x=8/17, and 3π2<x<2π, what is sin(x−π)?
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01/22/20

Find value where f(x) is continuous everywhere
To two decimal places, find the value of k that will make the function f(x) continuous everywhere. Question options: 1) 1.88 2)  9.00 3)  3.76 4)  None of these
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01/21/20

with a constant acceleration of 1.667m/s^2, what is the distance traveled between t1= 2.61s and t2= 5.79s
there is a velocity/time graph with points at (0,0) , (3,5) , (6,10) and (9,15)
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01/20/20

Fluid Force (Calculus 2)
Set up the integral to compute the magnitude of the fluid force (as a multiple of ρg) on the semicircular face of the half cylindrical tank with cross section given by under the following... more
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01/13/20

Need help with this problem!!
Given that        and      , answer the following.What is        ? (Answer as a simplified polynomial expression.) What is        ? (Answer as an integer.) 
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01/13/20

Need help with this problem
What is the domain restriction on the inverse of the function below?          The domain only includes numbers where the following is true.    (Answer with an integer.)
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01/13/20

Need help on how to do this problem!!
Solve for :       The lower (or only) solution for this equation is    The higher solution for this equation is    The solution     is an extraneous solution (if any).(Fill in each with an integer... more
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11/18/19

Can you please help me?
An aluminum cup contains 225 g of water and a 40-g copper stirrer, all at 27°C. A 434-g sample of silver at an initial temperature of 85°C is placed in the water. The stirrer is used to stir the... more
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11/15/19

Calculus Extrema
Considerh(s) = 1/(s - 2)on [0, 1]What is its maximum and minimum values? I’m really confused on this one because I didn’t think there would be any min/min because it has an asymptote but it’s... more
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11/13/19

For a field trip, a bus company charges a flat fee plus an additional fee per student. For 25 students, the total cost is 135.50. If there are 30 students, the total cost is 145.

Write an equation that represents the total cost y of the field trip for x students.I don't understand how to find the flat fee.
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11/13/19

in angle ABC the measurement of the latgest angle is 32 less than 3 times the smallest angle the measurement of the middle angle

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11/09/19

A stone is dropped from the upper observation deck (the Space Deck) of the CN Tower, 450m above the ground.
a) Find position function s(t) of the stone above the ground level at time t. Assume g=9.8 m/s2.b) How long does it take the stone to reach the ground?c) What is the impact velocity of the stone... more
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11/07/19

Conservation of energy and power questions
1.Eric drops a 2.8 kg water balloon that falls a distance of 22 m off the top of a building. What is the kinetic energy at the bottom?2.Eric drops a 4.3 kg water balloon that falls a distance of 27... more
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11/04/19

Please help me to solve this equation and it's all about Derivatives (Basic Calculus)
This is a performance task and I don't know what to do here 😭y=sin^3(x^3+log2 X)
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11/04/19

Physics and Rebounds
A ball of mass 0.745 kg is dropped from rest from a height of 3.75 m. It rebounds from the ground and reaches a height of 1.78 m, what impulse (specify magnitude and direction) was delivered to the... more
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11/03/19

How do I find all the solution to cot^2x-1=0?
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11/01/19

Unit 4 Test, Part 2: Analytic Geometry
Write the equation of the line perpendicular to 3x + 2y = -8 that passes through (3,1)     Write you answer in slope-intercept form. Show ALL your work! 
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10/29/19

Finding numbers with substitution/elimination
The difference between a 2 digit number and 5 times the sum of its digits is 18. If the tens digit is twice the units digit, what’s the number?
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10/26/19

For the geometric series 1-2/3+4/9-8/27..., find S8.
I know that a=1 and r=-2/3. I also know that the 8th term is -128/2187 by multiplying -2/3 by itself 8 times. I don’t know how to find the sum and show my work using sn=a*1-r^n/1-r. Someone please... more
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