04/09/19

Function evaluating
Evaluate the function x=3. Round the answer to three decimal places. In the space provided, type the answer without any spaces between the letters,numbers,or symbols. f(×)=2 exponentx
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04/09/19

a spring with a spring constant of 1200N/m hangs from a ceiling what mass should hang on it to stretch the spring for 6 cm?
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04/09/19

physics question

how much force is required to pull a string 12 cm from equilibrium if the spring constant is 10.8x10^3N/m?
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04/08/19

The radius of a cylinder is 6.0 inches and the height is 9.0 inches.
a. What is the surface area of the cylinder?b. What is the volume of the cylinder?c. If the cylinder is enlarged by a linear scale factor of 3, what is the volume of the enlarged cylinder? How do... more
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04/08/19

Physics mine car question
A mine car (mass=390 kg) rolls at a speed of 0.50 m/s on a horizontal track, as the drawing shows. A 240-kg chunk of coal has a speed of 1.2 m/s when it leaves the chute. Determine the speed of the... more
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04/08/19

Perform the operation and write the result in standard form. 1+i/i-8/8-i
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04/03/19

What are the length, width and height of the box
An open box is to be made from a 26x26 square piece of material, by cutting equal squares from each corner and by turning up the sides. Find the dimensions of the box so that the volume of the box... more
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03/27/19

Suppose the mean percentage in Algebra 2B is 70% and the standard deviation is 8%. What percentage of students end up with less than a 78%?
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03/27/19

Suppose the mean height for men is 70 inches with a standard deviation of 2 inches. What percentage of men are between 68 and 74 inches tall?
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03/26/19

Find all exact solutions on the interval 0 ≤ x < 2π. (Enter your answers as a comma-separated list.) csc2(x) − 5 = −1
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03/26/19

proving trig functions

how do I prove sex/tanx=sinx/1-cosx
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03/24/19

average speed in MPH
A boat traveled downstream a distance of 72 mi and then came right back. If the speed of the current was 5 mph and the total trip took 6 hours, find the average speed of the boat relative to the water more
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03/24/19

Mrs. Habersham has 4 pies. She decides that a serving should be 3/8 of a pie. How many servings does she have?
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03/18/19

What are the solutions to the equation?
What are the solutions to the equation: 4x^2*y^2+z^4+sqrt(3x^2*y-6x^2)+16=7z^2+4xyz
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03/13/19

linear and angular motion
A pulley driving a belt has a diameter of 360 mm and is turning at 2700/π revolutions per minute. Find the angular velocity of the pulley and the linear velocity of the belt assuming that no slip... more
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10/29/18

z varies directly as x⎯⎯√ and inversely as y2. If z=176 when x=49 and y=8, find z if x=81 and y=6. (Round off your answer to the nearest hundredth.)

I can't seem to figure these ones out! any extra help would be great
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10/29/18

Please I Need Help With These Polynomial Function?
(a) f(x)= (9 - x^2)/5 (b) f(x)= -8x^3 + 2x^2 - 7 (c) f(x)= -15x^3 + πx^2 - 5/9 (d) f(x)= x^3/2 - x^5 - 5 state if it's a poly. function or not and to what degree
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10/29/18

Sketch and label a free-body diagram for an object on a table that has an applied force of 5N to the right and is at rest.
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10/29/18

180 boxes 30% has 5 pieces and 70% has 15pieces how many pieces in all
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10/29/18

quadratic equation
The heaviest reported door in the world is the 708.6 ton radiation shield door in ... shield door in the National Institute for Fusion Science at Toki, Japan. If the height of the door is 1.1 feet... more
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