03/12/25

Show that among all rectangles of constant perimeter p, the square has the maximum area. {Hint: an optimization problem}
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08/06/24

If f(x) = 2/x^2 find f'(3)
If f(x) = 2/x^2 find f'(3)
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09/29/22

Find the equation of tangent line at given point on an implicitly defined relation.
The implicitly defined relation is:y2= (x-1)/(x2+1)The given point is (2,√5/5).Here is a picture of the question with a couple more requirements (graphing):desmos.com/calculator/a0mcbajqf9
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09/22/22

The equation of the line that goes through the point ( 4 , 5 ) and is parallel to the line 3 x + 4 y = 3 can be written in the form y = m x + b
The equation of the line that goes through the point ( 4 , 5 ) and is parallel to the line 3 x + 4 y = 3 can be written in the form y = m x + b Where M is?Where B is?
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01/04/21

by the remainder theorem, what can be said about the polynomial function z(x) if the remainder is 1 when z(x) is divided by x-4. z( )=_________
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08/30/19

Need help with Linear equations with unknown coefficients

—cz+6z=tz+83 solving for z
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06/17/19

Math 2 Algebra Word problem

A system Of equations is shown below.y=x^2+2x+8y=-4xWhat is the smallest value of Y in the solution set of the system?
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06/05/19

ACT math prep question
35.Given that x and (7-x)/2 are integers, which of the following statements about x MUST be true?A. x is oddB. x is evenC. x is primeD. x is positiveE. x is negativeMy answer is "x is odd" b/c when... more
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05/30/19

At the local grocer, 3 apples and 5 oranges cost total of $6.20. 7 apples and 4 oranges cost a total of $7.95. What is the cost of one apple and one orange?
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05/29/19

angles and fractions
if the terminal side of an angle theda, in standard position, passes through the point (8, -6), what is the value of sin theda
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05/22/19

Suppose 1500 is invested at interest rate of 4.25% compound continuously after how many years will investment be doubled
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05/22/19

You select a card from a standard shuffled deck of 52 cards. Without replacing, you select another card. Find the probability that you select a black card, then a red card.
the answer has to be in a fraction
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05/05/19

Geometry sums and 9th std

The angle of a triangle are in the ratio 1:2:3 ,find the measure of each angle of a triangle
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04/07/19

Find the area of the region bounded by the graphs y=-x^2+3x+4 and y=4
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04/07/19

Solve x³ + 216 = 0. Find all complex zeros and show your work.
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03/18/19

How do you prove that the derivative of inverse tangent is 1x2+1?
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03/18/19

How do you prove that the derivative of inverse tangent is 1x2+1?
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03/07/19

Right triangle...
The hypotenuse is x one leg is x-2 and another is 8 (8 is shorter leg): solve for x
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03/06/19

Solve for h'(2)
Suppose that f(2) = −4, g(2) = 3, f'(2) = −2, and g' (2) = 1. Find h''(2).(a)  h(x) = 5 f(x) − 2g(x)h''(2) = (b)  h(x) = f(x)g(x)h''(2) = (c) h(x) = f(x) / 1+ f(x)h' (2) =(d) h(x) = g(x) / 1+ f(x)
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03/06/19

Write an equation for the coordinates (-1,2) and (1,-4) in slope intercept form

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03/06/19

What happens to the volume of a cylinder when you multiply the height by 1/3
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03/05/19

For consecutive odd integers a and b, a > b > 0. If a^2 + b^2 = 202, what is the value of a?
I've found the answer to the question other ways, but I'm trying to understand why this method doesn't work:a2 + b2 = 202a2 + b2 - 202 = 0The equation is in form a2 + b2 - 2ab = 0. Therefore, 2ab =... more
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02/26/19

Calculus optimization

A poster for the animal shelter is on a 7875 cm^2 sheet of glossy paper. The margins on the top and bottom are 2 cm and the side margins are 3 cm. What is the largest possible printable area (in... more
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02/22/19

Which ordered pair is the solution for the system? 2x − 3y = −19 4x + 5y = 17
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02/21/19

Solving the system by elimination. 9x-6y=-12;-2x+3y=-4
Algebra 361. Solution needed
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