02/22/22

Find a point on the curve 𝑥^3+𝑦^3=1𝑥𝑦 other than the origin at which the tangent line is horizontal.
Find a point on the curve 𝑥^3+𝑦^3=1𝑥𝑦 other than the origin at which the tangent line is horizontal.x=y=
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02/19/22

I need to know the detailed solution+explanation of this problem

The fifth term in the expansion of (ax+by)^n is 560x^3y^4. Find the values of a and b, given that a and b are integers. The solution book says that the binomial coefficient is 7 choose 4 which is... more
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02/16/22

I don't understand how to set up integrals using the shell, disc, or washer method please help
Using the shell method, set up but do not evaluate the definite integral for the volume of the rotated solid: the region in the first quadrant bounded by y = -x3+3x2 is rotated about the... more
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02/13/22

Please help! Thanks!
What is the ones digit in 3^50?a. 1b. 3 c. 7d. 9
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02/13/22

Find the values of a and b that makes f(x) continuous for all values of x.
Given f(x) = {2ax^2 - 4bx + 9 ; x > 2,6ax + 3bx + 21 ; -1 ≤ x ≤ 2,-ax^2 - 5bx + 17 ; x < -1}
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02/12/22

The Laws of Sines Cosines Two Planes
Two planes leave the same airport at the same time. One flies at 70◦ N of E at 500 mph, and the second flies at 60◦ S of E at 600 mph. How far apart are the planes after 2 hours? Draw a Picture!
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02/11/22

can you explain why how to get the "bold" one and why does it times by 3??
3s² + 2t² = 11 — (1)3s+ 2t = 1 — (2)From (2) 3s = 1-2tS = 1-2t/3Substituting S = 1-2t/3 into (1) = 3(1-2t/3)² + 2t² = 11(1-2t)² + 6t² = 33
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02/11/22

How to use TI=83/84 to find relative max/min for a polynomial function.
For the polynomial function f(x)=-x3-6x2-10x+4, how do you use a TI-83/84 calculator to find the coordinates of a relative max or relative min?
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02/10/22

answer the following word problem by writing a system of equations to answer the word problem
Your family is planning a birthday party for you and is getting it catered. Hunter's catering charges $35 per person. Tanners catering charges an initial fee of $125 and charges $28 per person.... more
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02/09/22

geometry help!!!
can someone please explain to me how to solve thisThe perimeter of isosceles trapezoid is 160. If AB=x-2, BC=x-5, and CD=x, what is x?
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02/08/22

Find the equation(s) of the tangent line(s) to the graph of the curve y = x3 − 8x through the point (1, −8) not on the graph. (Enter your answers as a comma-separated list of equations.)
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02/07/22

Find k such that the line is tangent to the graph of the function. Function Line f(x) = k x y = 2x + 18 k =

Find k such that the line is tangent to the graph of the function. Function     Line f(x) = k x      y = 2x + 18 k = 
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02/07/22

Math 101 HELP I have tried so many formulas and can't seem to get it
If the profits in your consulting business increase by 17% one year and decrease by 7% the following year, your profits are up by 10% over two years.
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02/05/22

calc - math Question
You pour yourself a cup of coffee. The function that models the cooling of 73◦C degree cup of coffee in a room of temperature 20◦C is given by T(t) = 20 + 53e^kt .where the temperature T is (C),... more
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02/04/22

Write an equation of the line that passes through (-4,1) and is perpendicular to the line y=2x+3.
I really need help with this
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02/04/22

Trigonometry Triangles
Hello I currently need help with the following trigonometry question. I believe I need to draw a diagram of a traingle from the information given and then begin solving but I am not sure.If tan t... more
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02/04/22

Find the volume of the solid whose base is the region enclosed by y=x^2 and y=4, and the cross sections perpendicular to the y-axis are squares.
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02/04/22

You want your boat to travel due east at 20 mph. If the wind is blowing at 9 mph with a direction 30 degrees south of west, to what direction and speed should you set your course?
From my diagram, I can see that the components of the wind vector is 9<cos(210), sin(210)> and my boat vector is 20<cos(0), sin(0)>. However, when I add the components and find the... more
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02/03/22

2x-6y=6. 12y+5x=24 <- how to solve using system of equations by substitution, not elimination
SUBSTITUTION not elimination, the last time I asked, they gave me the wrong way and it was useless, so please tell me how to do it with substitution. Thanks!
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02/02/22

Successive Differences
Using the successive differences formula what is the next number in the sequence 6,20,50,102,182,296...Please explain
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02/02/22

Find the equations of the asymptotes of the hyperbola
Find the equations of the asymptotes of the hyperbola x^2/25-y/16=1
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01/31/22

A goat is tethered to a stake at the edge of a circular field with radius 1 unit. How long should the rope be so that the goat can graze over half of the field?
Please be descriptive. And PLEASE I NEED HELP TODAY
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01/31/22

need help solving
What are the solutions of the quadratic equation?4x2−9x−9=0
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01/31/22

Does the log base number effect the domain and range?
Math homework due in the morning that from videos my teacher made us watch over the weekend that I'm still a little bit confused on
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01/26/22

how do you find the period of this equation? h= 25 cos pi/65 (t-15), where t=time in seconds.
I know that the period should be 2pi/k, but I'm getting the wrong answer with that. The answer should be 130 seconds.
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