07/17/22

The polynomial of degree 3, P(x), has a root of multiplicity 2 at x=4 and a root of multiplicity 1 at x= -1. The y intercept is y= -6.4
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08/05/20

Let S be the solid obtained by rotating the region shown in the figure about the y-axis. (Assume a = 6 and b = 3.)
Find its circumference c and height hc(x)=______h(x)=_______Use shells to find the volume V of SV=_______
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08/04/20

Find the length s of the circular arc.
Find the length s of the circular arc. (Assume r = 6 and θ = 110°.)s =  
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07/30/20

need help with Calculus
normal to the curve y=x^2+1 at the point where x=2 cuts the curve again at point P. Find the coordinates of P
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07/30/20

Find the magnitudes of T
A traffic light weighing 19 pounds is suspended by two wires as shown in the figure below. Find the magnitude |T1| of the tension in wire AC, and the magnitude |T2| of the tension in wire AB.... more
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07/29/20

A probability question.
A jar contains 3 blue balls, 2 white balls and 5 red balls. A ball is selected at random and the colour of the ball is noted and replaced back into the jar. A second ball is selected and its colour... more
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12/17/19

How many moles of Ag will be produced from 16.0 g of Cu, assuming AgNO3 is available in excess?
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12/08/19

Help with this chemistry question!
Al2(SO4)3(aq)+AgNO3(aq)→Express your answer as a chemical equation. Enter NOREACTION if no reaction occurs. Identify all of the phases in your answer.
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12/08/19

Find the number of units x that produces a maximum revenue R
Find the number of units x that produces a maximum revenue RR=99x^2-0.06x^3
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12/08/19

It takes Javier 7 hours to paint a house. If Bob and Javier work together they can paint the house in 5 hours. How long would it take only Bob to paint the house?

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12/08/19

From a deck of cards one card is drawn and thrown. Now one more card is drawn, What is the probabilty of getting a king of black?
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12/07/19

A 65 kg snowboarder travels down a 37° incline at 6.2 m/s. In order to stop before hitting a tree, the snowboarder quickly turns their board to increase the coefficient of kinetic friction to 1.9. 
What is the normal force between the snowboarder and the ground?
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12/05/19

If on average 90% of meetings end in less than 2 hours, what is my best strategy?
Every thursday i attend a business meeting which is scheduled to last 2 hours. I can either park in a public car park for standard fee of £1.20 or a parking meter for 50p for 2 hours. However the... more
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12/05/19

A rollercoaster car, 300 kg with passengers, accelerates down a 65° hill. We will assume that friction is small enough that it can be ignored.
A) Determine the value of the component pf the gravitational force parallel to the hillB)What is the acceleration oof the rollercoaster down the hill?C)If they are traveling 4 m/s, how fast will... more
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