12/09/20

The base of a solid in the xy-plane is the first-quadrant region bounded y = x and y = x2. Cross sections of the solid perpendicular to the x-axis are semicircles...
The base of a solid in the xy-plane is the first-quadrant region bounded y = x and y = x2. Cross sections of the solid perpendicular to the x-axis are semicircles. What is the volume, in cubic... more
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12/09/20

Find the area of the region bounded by the curves y equals the inverse sine of x divided by 4 , y = 0, and x = 4...
Find the area of the region bounded by the curves  , y = 0, and x = 4 obtained by integrating with respect to y. Your work must include the definite integral and the antiderivative
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12/08/20

Which of the following lines is perpendicular to the line y = -3 x + 2 and passes through the point (–2, 8)?
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12/07/20

Write an equation in Point-Slope Form that passes through the points (2,-3) and (4,7)
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12/01/20

Need help with question!!!
Using the distance formula find the equation of a parabola with the given focus and directrix. F (-3,0)    x= 6  ... more
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12/01/20

Explain to an adult at the algorithmic level of knowledge why this formula is an appropriate one for finding the area of any trapezoid
The formula ( or algorithm) for calculating the area of any trapezoid is one-half times the height times the sum of the bases. Explain to an adult at the algorithmic level of knowledge why this... more
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11/30/20

Calculus Questions

 Find the area of the region bounded by the curves  , y = 0, and x = 2 obtained by integrating with respect to y. Your work must include the definite integral and the antiderivative
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11/30/20

calculus help me
Evaluate the integral ` \int x^5 (x^6 - 4)^(20) dx ` by making the substitution ` u = x^6 -4 `. __________________  + C NOTE: Your answer should be in terms of x and not u.
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11/29/20

precal question
Find an equation for the conic section with the given properties.The hyperbola with foci F1(−4, 2) and F2(6, 2)that passes through the point (5, 2)
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11/26/20

Find the slope of the tangent line to the curve sqrt(8x+y)+sqrt(8xy)=12 at the point (1,8).
The slope of the tangent line to the curve at the given point is:
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11/26/20

Calculus- confused please help
Find AFind B
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11/23/20

precal question

Find an equation for the ellipse that satisfies the given conditions. Foci: F(± 20,0) vertices: (±8, 0)
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11/23/20

Use the second derivative test to find all local maximum and local minimum values of f(x) = x4 − 8x2 + 10.
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11/23/20

Volumes: Cylindrical Shells
Use the method of cylindrical shells to find the volume V generated by rotating the region bounded by the given curves about y = -3.
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11/23/20

7.1 9 In a baseball game, a batter standing at home plate sees the second baseman standing on the baseline between 1st and 2nd base as shown in the figure
In a baseball game, a batter standing at home plate sees the second baseman standing on the baseline between 1st and 2nd base as shown in the figure.If θ=14∘, how far is the second baseman from... more
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11/18/20

i do not understand this please help!
Use a Double- or Half-Angle Formula to solve the equation in the interval [0, 2𝜋). (Enter your answers as a comma-separated list.)−sin(2𝜃) − cos(4𝜃) = 0
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11/18/20

how do i solve this. I set the sins equal to each other with the numbers that were given and got 84.18349, but it's not the right answer

Given a triangle with angle A = 99 degrees and sides a = 37 and b = 14. Find side c.
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11/17/20

Topless Box Project
If you start with a piece of posterboard that is 27 inches long and 19 inches wide and cut a square out of each corner, then fold the sides up to create an topless box, what is the volume of that... more
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11/16/20

sin[cot^-1 (4/3)+sin^-1 (-5/13)]
Evaluate using Principal Values. Please show *all* work so I know what I'm doing. Thank You.
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11/11/20

Air is being pumped into a spherical balloon so that its volume increases at a rate of 80cm^3/s. How fast is the surface area of the balloon increasing when its radius is 7cm?
Air is being pumped into a spherical balloon so that its volume increases at a rate of 80cm^3/s. How fast is the surface area of the balloon increasing when its radius is 7cm? Recall that a ball of... more
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11/10/20

Find midline of the function y=10sin(4x)−3
The midline is the line with equation BLANKI found the amplitude already
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11/10/20

4th roots / nth root
5(cos300+isin300)it must have 4 different answers
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11/09/20

the square if the sum of two positive consecutive even numbers exceeds the sum of their squares by 336

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11/06/20

please help!!!!!!!
n
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11/06/20

It can be shown that ∑_(i=1)^n i^3 =(n^2 (n+1)^2)/4. Use this fact along with the limit of Riemann sums (∑_(i=1)^n f(xi

It can be shown that ∑ni=1 i3=(n2 (n+1)2)/4. Use this fact along with the limit of Riemann sums (∑ni=1 f(xi* )∆xi ) using a regular partition of the interval [0,b] (b>0) and the right endpoints... more
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