07/19/21

Joan has 50 ft of interlocking stone available for fencing off a flower bed in the form of a circular sector. Find the radius

Joan has 50 ft of interlocking stone available for fencing off a flower bed in the form of a circular sector. Find the radius of the circle that will yield a flower bed with the largest area if... more
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07/18/21

absolute minimum value
Consider the function f(x)=x^4−98x^2+7,  −6≤x≤15.This function has an absolute minimum value equal to =  and an absolute maximum value equal to=
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07/17/21

Let f(x) = 1/(1-x). Find a cubic polynomial p(x) so that f(0) = p(0), f'(0)=p'(0), f"(0)=p"(0), f'''(0)=p'''(0)
Please show working...Consider if f were a more complicated function. How would this be more efficient to finding values of f?Thank you!!
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07/16/21

Please help me with my trig homework question. Its really hard and due today.

Read and solve the word problem using the appropriate strategy: Pythagorean Theorem, Special Right Triangle Rules, or Right Triangle Trigonometry. A flagpole is propped on the east side corner of... more
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07/16/21

Use logarithmic differentiation to find an expression for the derivative dy dx of y = (ex^3 sinx) / (tanx − 1)
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07/14/21

Calculus 1 Optimization

A Norman window has the shape of a semicircle atop a rectangle so that the diameter of the semicircle is equal to the width of the rectangle. What is the area of the largest possible Norman window... more
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07/14/21

I don’t understand this

Determine the open intervals on which the graph is concave upward or concave downward. (Enter your answers using interval notation. If an answer does not exist, enter DNE.) f(x)... more
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07/14/21

Find the volume of the solid obtained by rotating the region in the first quadrant bounded by the curves x = 0 , y = 1 , x = y^6 , about the line y = 1 .
I am needing help with figuring this out im lost
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07/14/21

A line has the slope of 9 and passes through the point (6, 3).
Write the equation of the line in slope-intercept form.A line has the slope of 9 and passes through the point (6, 3).
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07/12/21

A survey team is trying to estimate the height of a mountain above a level plain.

A survey team is trying to estimate the height of a mountain above a level plain. From one point on the plain, they observe that the angle of elevation to the top of the mountain is 27∘. From a... more
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07/12/21

Simplify the problem:
Please help me. Both square root symbols extend from the x to the 4 respectively.(5√x3y4) (4√x5y4)
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07/12/21

Indefinite Integral
∫(1+sec2 x) / (1 + tan3 x)cos2x dx ∫ cos x / sinx+sin3x dx
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07/12/21

Complete the square and reduce to the following form: y-b=A(x-a)^2 or x-a=A(y-b)^2
9x2-6y-9-x=0
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07/12/21

INDEFINITE INTEGRAL
Use the substitution x=2tan(θ) to evaluate the indefinite integral ∫ (31dx) / ((x^2)sqrt(x^2+4))
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07/12/21

Find the values of c such that the area of the region bounded by the parabolas y = 16x2 − c2 and y = c2 − 16x2 is 128/3. (Enter your answers as a comma-separated list.)
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07/11/21

f(x)=x/x+2; a=1; f=1.2 NEED C&D DETAILED HELP if possible

a. Write the equation of the line that represents the linear approximation to the given function at the given point a.​f(x)≈​L(x)=1/9+2/9x ....GOT THIS ONEb. Graph the function and the linear... more
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07/09/21

Geometry problem

Let ∆ABC be a triangle with AB = 65, BC = 70, and CA = 75. A semicircle Γ with diameter BC is constructed outside the triangle. Suppose there exists a circle ω tangent to AB and AC and furthermore... more
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07/09/21

Need help solving this..
Suppose f(−2)=5 ,f'(−2)=0, and f''(−2)=−3. What can we say about the point (-2, 5)?
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07/09/21

What is final answer ?
Evaluate loga (sqrt(a * x ^ - 7 * y ^ 7)) given that loga (x) = - 6.7 and loga (y) = 3.2
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07/08/21

Algebra 2 Trig Problem
I really only need the area of the side of the house explained, I'm stuck and don't know how to do it. Here's the problem:Sally had just got her license and the first night her parents said she... more
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07/08/21

at what distance should you stand from the wall
The lower edge of a 4 foot tall painting is 2 feet above your eye level (see picture below for the idea, but be aware it's not drawn to scale). top blue "}" - 4 ftbottom "}" - 2 ftAt what distance,... more
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07/08/21

The base of a solid in the region bounded by the graphs of y = e-x y = 0, and x = 0, and x = 1. Cross sections of the solid perpendicular to the x-axis are semicircles.
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07/07/21

 A piece of wire is bent into the shape of a triangle. Two sides have length 16 inches and 23 inches. The angle between these two sides is 40°.
What is the length of the third side to the nearest hundredth of an inch?The length of third side is approximately __?__ inches.
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07/06/21

Can anyone help me out?? Don't know how to start
Show that a pyramid of height h whose base is an equilateral triangle of side s has volume √3/12 hs2
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07/05/21

Approximate the integral and find the number of subintervals

Approximating the integral - 5 to - 1 x²dx with the value of h=0.25 (step value or width), then thenumber of subinterval isa. 8b. 4c. 16d. none of these
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