06/27/20

How do I solve this step by step?

For the function 𝑔(𝑥) = 𝑥𝑒-2x find all critical points and say which are local maximums or minimums. Also fine the point of inflection and say where the function is concave up and where it is... more
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06/25/20

Approximate the area under the curve
Approximate the area under the curve y=x3 from x=0 to x=3 using a Right Endpoint approximation with 6 subdivisions.
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06/23/20

Find the volume of the solid
Find the volume of the solid of revolution obtained by rotating the region bounded by the curve y=4−e^x and the line x=0 and y=0 about the line x = −3. Sketch the region and the axis of revolution... more
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06/21/20

Area of a circle
Let A be the area of a circle with radius, r. If  dr/dt=4, find dA/dt when r=4 .
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06/19/20

conditional statement Need Help Please
If the conditional statement “If I use my cell phone too much, my bill will be expensive,” is true, which other statement must also be true?Group of answer choicesa.If my bill is expensive, I used... more
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06/19/20

Need some help with this question
Integral of (x+4)/(x-4)dx
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06/18/20

hello i need help with this application question
How long will it take for $ 5200 to grow to $ 25,000 at an interest rate of 3.9% if the interest is compounded quarterly? Round the number of years to the nearest hundredth.
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06/18/20

Hi i need some help with this question
A region in the first quadrant is bounded above by the curve y = tanh x, below by the x-axis on the left by the  y-axis and on the right by the line x = ln 7.  Find the volume of the solid... more
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06/17/20

Prove: The chord joining the points of contact of the tangent lines to a parabola from any point on its directrix passes through its focus.
Hello, struggling with this one and appreciate help!Prove: The chord joining the points of contact of the tangent lines to a parabola from any point on its directrix passes through its focus.For... more
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06/16/20

Calculus - Newton's Method
How would I use Newton's method to find all roots of this equation to 6 decimal places?ex = 3-2x
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06/14/20

Need help with this Trig integrals question please include video explanation and trig identies included
Please Help with this question and include video because i am very confused about the trig identies involved.Evaluate the integral. π/2 5 sin2x cos2x dx 0
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06/13/20

I need to find a maximum area of trapezoid inscribed in circle. The base is diameter of the circle, (1,3) is center of the circle and radius is 4.
I need solution with using derivative.
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06/12/20

Need help with Calculus Integration of parts
Evaluate the integral.Evaluate the integral. 1  y/e4y 0  
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06/11/20

In triangle ABC, side BC is the average of the other two sides. If cos C = AB/AC , find the numerical value of cos C.
Not sure how to solve this since there are no numerical values given. How would you solve this? Law of cosine?
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06/11/20

Writing equations given the points
Write the equation of the line perpendicular to the line 5x+2y=24 and passing through (8,-12).Can you walk me through how to do this and give me another example?
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06/10/20

What is the rectangular equivalence to the parametric equations?
What is the rectangular equivalence to the parametric equations?x(θ)=4cosθ+2, y(θ)=2sinθ−5, where 0≤θ<2π  [    ] + [    ] = 1, where x is on the interval [  ,  ] Answer choices:  (x−2)2 /... more
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06/08/20

Use the four-step process to find the slope of the tangent line to the graph of the given function at any point. (Simplify your answers completely.) f(x) = −19
Step 1: f(x+h)=Step 2: (f(x+h)-f(x)=Step 3: f(x+h)-f(x)/h= Step 4:f '(x) = lim h→0 f (x + h) − f(x)/h =
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06/03/20

I don’t understand these questions!
1.) Graph f(x)=x^2+2x-3 in a program. Draw the axis of symmetry, label the vertex, and both x intercepts. 2.)Using the separated quadratic formula, calculate the left term -b/2a for... more
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06/01/20

Find the equation of the hyperbola centered at the origin with a focus at (5,0) and a transverse axis of length 6.
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06/01/20

Math question geometry

A sector of circle C has a radius of shown below has a radius of 6 cm and Central angle that measures 80° which expression calculate the area of this sector in square centimeters?
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05/26/20

Finf the following
All 4th roots of -8+8i(root3) in Cartesian form.
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05/19/20

Equation of the tangent
Determine the equation of the tangent line for y=x3 +6x2-4x-8 at the inflection point
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05/19/20

Two angles of elevation math problem
The angles of elevation to a balloon in the air from two points on level ground are 27 degrees and 45 degrees. If the points are 9 miles apart and the balloon is between the 2 points, in the same... more
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05/15/20

math help asap please!!!!!!!!
Find the Standard Deviation of the Following Data Set by first completing the table3, 4, 4, 5, 5, 7, 8, 8, 10 Data, x Mean, x x-x ( x-x... more
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05/14/20

Please helpppp need pic

Khrystyna and Chris are standing 300 feet away from each other on flat ground looking up at a crane. If Khrystyna’s angle of elevation to the crane is 49˚ and Chris’s is 78˚, what is the height... more
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