Mathematics, 26.06.2019 18:10 breannabailey9887
Calculate the volume of the solid of revolution created by rotating the curve y=4+6 exp(-5 x) about the x-axis, for x between 1 and 4. volume : 16 incorrect: your answer is incorrect. the equation of a circle of radius r, centered at the origin (0,0), is given by r^2=x^2+y^2 rearrange this equation to find a formula for y in terms of x and r. (take the positive root.) equation: y = click here to preview your answer. what solid of revolution is swept out if this curve is rotated around the x axis, and x is allowed to vary between -r and r ? (you do not need to enter this answer into webassign.) suppose we wanted to set up the following integral so that v gives the volume of a sphere of radius r v=int_a^b f(x)text( )dx what would a, b and f(x) be? a = click here to preview your answer. b = click here to preview your answer. f(x) = click here to preview your answer. (webassign note: remember that you enter pi as pi ) carry out the integration, and calculate the value of v in terms of r. v = click here to preview your answer.
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The? half-life of a radioactive substance is 20 years. if you start with some amount of this? substance, what fraction will remain in 120 ? years
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Molly planted vegetables in 0.6 of her garden and flowers in the rest of it. she planted green beans in 0.4 of the vegetable section of the garden. how much of her garden was planted with green beans?
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Calculate the volume of the solid of revolution created by rotating the curve y=4+6 exp(-5 x) about...
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