11/22/21

NEED ASAP!! Explain why the equation cos^-1(cos 5π/4) = 5π/4 is false
cos-1(cos 5π ÷ 4) =5π÷4 is false
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11/12/21

Find all solutions in the interval 0° ≤ θ < 360° where θ1 < θ2 < θ3 < θ4 < θ5 < θ6. sin (3θ − 45°) = −√3/2
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11/10/21

Find the perimeter
A regular octagon is inscribed in a circle with a radius of 7 inches. Find the perimeter of the octagon. Round to the nearest tenth.
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11/10/21

Probability Distributions
In a box of smarties there are eight different colours which normally occur in equal proportions. Rachael is given 24 smarties, and orange ones are her favourite. Assume they come from a very large... more
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11/06/21

Find A and B that f(x, y) has a local min at point
Find A and B so that f(x, y)=x^2 + Ay + y^2 + B has a local minimum at the point (0,8), with z-coordinate 10.
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11/06/21

How can you rewrite log264 as a composite function?
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11/05/21

Precalculus factoring

Give P(x)=6x^5-17x^4-15x^3+33x^2+13x-12 write P in factored form. Be sure to write the full equation
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11/04/21

A close rectangular
A closed rectangular container with a square base is to have a volume of 2250 in3. The material for the top and bottom of the container will cost per $4 in2, and the material for the sides will... more
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11/04/21

prove that [x] + 1 = [x + 1]
prove that [x] + 1 = [x + 1]
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11/02/21

If secant theta is equal to negative square root of 34, over 3 and sine theta is greater than zero, then find the exact value of cosecant theta.
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11/02/21

Express the product as a sum then find the sum’s exact value. cos11𝜋/12cos𝜋/12
I am so confused on what to do. Pls help.
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11/02/21

sin2𝜃, Pls read the description I am lost.

Find the exact value of the following expression given that tan𝜃 =−2 and 90°<𝜃 <180°. Show all logic for your choices, including pictures of the quadrant to derive signs and a triangle to... more
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10/30/21

Calculus problem
Two boats are traveling at 30km/h, the first going north and the second going east. The second crosses the path of the first 10 minutes after the first one was there. At what rate is their distance... more
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10/29/21

L'Hospital's Rule; Indeterminate Forms. How do I get the answer to this?

Everyway I've tried has failed. Please help
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10/27/21

How to solve this problem(tanθ/θ) in squeeze theorem when limit is θ→0(positive).Please help i got stuck in this problem.

limθ→0+ tanθ/θ
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10/27/21

Evaluate the limit using l'hopital's rule
Iim (tanx)π/2-xx→π/2- Lim x tends to π/2 (negative) (tanx)π/2-x
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10/27/21

Given f ' ' ( x ) = − 25 sin ( 5 x ) and f ' ( 0 ) = − 4 and f ( 0 ) = − 5 . Find f ( π 2 ) =

Given f''(x)=−25sin(5x) and f'(0)=−4 and f(0)=−5.Find f(π2)=
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10/26/21

Calculus Question
A small resort is situated on an island that lies exactly 5 miles from 𝑃P, the nearest point to the island along a perfectly straight shoreline. 10 miles down the shoreline from 𝑃P is the closest... more
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10/24/21

How to find the Var(X) for a sum of a rolled die and a 3 sided spinner?
A fair 6-sided die has the numbers −1, −1, 0, 0, 1, 2 on its faces. A fair 3-sided spinner has edges numbered −1, 0, 1. The die is thrown and the spinner is spun. The number on the uppermost face... more
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10/19/21

How do I find the formula for sin(tan^-1(x/sqrt(25-x^2)))
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10/17/21

Prove or disprove：Pr(A)=Pr(B)=p Pr(A∩B)≤p^2
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10/12/21

The function f(x) = 7x^3 - 5x, x >= 1, is one-to-one and has an inverse function y = g(x). Find an equation of the tangent line to the graph of g at the point (46, 2) on g.
The function f(x) = 7x3 - 5x, x >= 1, is one-to-one and has an inverse function y = g(x). Find an equation of the tangent line to the graph of g at the point (46, 2) on g.My equation is y - 2 =... more
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10/08/21

why isnt anyone answering question for a whole week
determine all the winning coalitions and find banzhaf power distribution (Show all work)[16:5,5,11,6,3]
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10/02/21

Need help with a math question
A bag contains 4 black, 2 red, and 6 yellow blocks. A sample of 3 is selected. How many samples are possible in which the blocks are 2 black and 1 red?
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10/02/21

"Use mathematical induction to prove that if x > -1, then ( (1+x)^2 ) >= 1 + nx".
Walk me through this, please
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