04/15/19

Particle Moves Along The X Axis
I asked this question before:A 5.60-kg particle moves along the x axis. Its position varies with time according to x = t + 4.0t3, where x is in meters and t is in seconds.(a) Find the kinetic... more
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04/14/19

Help, Please! Math ...
 is an equilateral triangle with side length 23 in. What is the area of the shaded segment? Round your answer to the nearest hundreth.
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04/12/19

Consider the function f(x)=2x^3-6x^2-90x+10 on the interval [-5,7]
The average or mean slope of the function on this interval is equal to____By the Mean Value Theorem, we know there exists a c in the open interval (-5,7) such that f'(c) is equal to this mean slope... more
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04/12/19

Consider the function f(x)=1x^2+5x+8 on the interval [-2,5]

Find the average or mean slope of the function on this interval i.e. (f(5)-f(-2))/(5-(-2))=_______By the Mean Value Theorem, we know there exists a c in the open interval (-2,5) such that f'(c) is... more
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04/11/19

The following is given:
Given: k∫0 x e0,5x dx = 8Show that: 0,5k -1 = e0,5k
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04/10/19

Two hallways meet at a right angle. One hallway is w units wide and the other is v units wide. What is the length of the longest ladder which can go around this corner?
The general answer is messy! But if w = v, you can show that the answer is 2w√2.
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04/08/19

Physics baseball question
A 2.35 Kg baseball approaches a batter with a speed of 30 m/sec. The bat makes contact with the ball for 0.082 seconds. What is the average force that was applied by the bat if the ball moves... more
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04/08/19

Physics bullet collision question
A 5.65-g bullet is moving horizontally with a velocity of +354 m/s, where the sign + indicates that it is moving to the right (see part a of the drawing). The bullet is approaching two blocks... more
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04/07/19

A cylinder shaped can needs to hold 550 cm^3 of soup. The sides of the can costs 0.03 cents per cm^2. The top and bottom of the can costs 0.06 cents per cm^2. Minimize the production cost.
Find the dimensions for the can that will minimize the production cost.Radius=?Height=?Minimum Cost=?
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04/07/19

Can someone help me?
Annie is framing a photo with a length of 6 inches and a width of 4 inches. The distance from the edge of the photo to the edge of the frame is x inches. The combined area of the photo and frame is... more
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04/07/19

If a ball into the air from a height of 4ft at a time t=0. The function that models this situation is h(t)= -16^2 + 63t+4, where t is measured in seconds and h is the height in feet
A) what is the height of the ball after 3 secondsb) what is the maximum height of the ball? Round to the nearest footc) when will the ball hit the groundd) what domain makes sense for the... more
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04/06/19

Calculus is my answer correct with work to support
The graph below shows the graph of f (x), its derivative f ′(x), and its second derivative f ′′(x). Which of the following is the correct statement? A is f ′′, B is f ′, C is f. A is f ′′, B is f,... more
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04/06/19

Solve the quadratic equation 3x^2 - 11x + 21 = 0 using the quadratic formula.
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04/06/19

A wire of length 1 m is placed perpendicular to a uniform magnetic field of magnitude 2 T. What is the magnetic force on wire when the current flowing through it is 3 A?
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04/05/19

If sin^6a+cos^6a-1=k sin^2a cos^2a find k.
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04/05/19

The sum of two angles measure is 95 degrees. Angle 2 is 40 degees smaller than 2 times angle 1. What are measures of the two angles?
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04/03/19

Determine the dimensions of a rectangular solid (with a square base) with maximum volume.
Determine the dimensions of a rectangular solid (with a square base) with maximum volume if its surface area is 253.5 square centimeters.  x=x=x=
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04/03/19

The question is of algebra of lesson linear equation in two variable question is 5x +2y =4. ; x +8y =26

The question is of algebra of lesson linear equation in two variable which is ...Solve The Following Simultaneous EquationsI hope you will help me in this please
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04/02/19

Set up a system of equations and solve. Show all your work.
Chris invests a total of $14,500 in two accounts. The first account earned a rate of return of 14% (after a year). However, the second account suffered a 3% loss in the same time period. At the end... more
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03/31/19

A girl pushes a box that has a mass of 85 kilograms of an incline. If the girl exerts a force of 20 newtons on the incline what is the mechanical advantage of the incline
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03/31/19

If the temperature of a gas confined to such a cylinder is raised from 254°C to 590°C, what is the ratio of the initial volume to the final volume if the pressure exerted on the gas remains constant?
If the temperature of a gas confined to such a cylinder is raised from 254°C to 590°C, what is the ratio of the initial volume to the final volume if the pressure exerted on the gas remains constant?
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03/31/19

A hallow spere rolls down at ana angle 30 degress incline of lenth 6m without sliping.speed of centre of mass at bottom of plane
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03/30/19

 Find the volume of the solid obtained by rotating the region
 Find the volume of the solid obtained by rotating the region bounded by the given curves below about y=-4. y=0, y=cos(3x), x=pi/6, x=0
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03/29/19

A spherical snowball is placed in the sun. The snowball melts so that it's surface area decreases at a rate of 2 cm2 /min. Find the rate at which the diameter decreases when the diameter is 8 cm
A spherical snowball is placed in the sun. The snowball melts so that it's surface area decreases at a rate of 2 cm2 /min. Find the rate at which the diameter decreases when the diameter is 8 cm
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03/29/19

Please help me solve this.
The problem is:The ratio of the measurement of an angle to its supplement is 3:5. Find the angle and its supplementand All I’ve got is:3x+5x = 180
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