10/30/19

Verify sin(x-y)/sin(x+y)=tan(x)-tan(y)/tan(x)+tan(y)
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10/27/19

A vacant lot is being converted into a community garden.

A vacant lot is being converted into a community garden. The garden and a walkway around its perimeter have an area of 754. Find the width of the walkway if the garden measures 12 feet wide by 15... more
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10/27/19

Disk is Rotating and asks for Velocity
A solid disk rotates in the horizontal plane at an angular velocity of 5.00×10−2 rad/s with respect to an axis perpendicular to the disk at its center. The moment of inertia of the disk is 0.15... more
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10/26/19

Precalculus question
This problem deals with cars traveling between Bellevue and Spokane, which are 280 miles apart. Let t be the time in hours, measured from 12:00 noon; for example, t = −1 is 11:00 am.(a) Joan drives... more
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10/25/19

Centripetal acceleration and universal gravitation problems
1.A 0.039 kg rubber stopper is attached to a 1.0 m length of string. The stopper is swung in a horizontal circle with a velocity of 4 m/s. What is the centripetal force on the... more
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10/25/19

explicit and recursive

find the fifth term in the sequence that is defined as follows:an= 2(-1)n
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10/25/19

Protons experience both electric and gravitational forces. Comparing the forces between 2 protons in a nucleus, it is correct to state that
A electric force is much stronger than the gravitational forceB gravitational force is much stronger that the electric forceC electric force is shorter range than the gravitational forceD... more
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10/24/19

Determine dh/dt
Given h = √(100−x2) and x = 1.2t
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10/24/19

For what value of x is this expression undefined?
Algebra question:(x+10)/(3x-45)
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10/24/19

how do you write a function rule ?
y=mx + b musing an input/output table
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10/24/19

For what value of k does the system of equations have no solution? 4x − 8y = 3 2x − ky = 5
For what value of k does the system of equations have no solution?4x − 8y = 3 2x − ky = 5
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10/24/19

Algebra 1 Explicit Formulas

a.2, -10, 50, -25, 1250b.12.6, 5.6, -1.4, -8.4, -15.4What is the explicit formula for each sequence?a.2, -10, 50, -25, 1250a= first term= 2d=common difference=-10-2 =... more
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10/24/19

Solve cot (x) - sqrt(3)=0, [0, 2pi)
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10/24/19

A cannon is situated 14m high above the ground and shoots a projectile at 20m/s. What is the location of the projectile?
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10/24/19

Find the number of units that maximize revenue
Find the number of units that maximize revenueR=-.01x2+400xR= total revenue x= units sold
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10/24/19

I need help with a algebra problem
George rides a cab three days a week. He pays $3.50 for the cab to pick him up. He pays an additional fee for each mile driven. In one week, George paid 35.25. If he rides 11 miles each day, how... more
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10/24/19

Statistics (Probability) , need help with this!
Visit your local library: On a recent Saturday, a total of 1227 people visited a local library. Of these people, 243 were under age 10, 462 were aged 10-18, 174 were aged 19-30, and the rest were... more
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10/23/19

i need with statistics
Serial numbers for a product are to be made using 2 letters followed by 3 digits. The letters are to be taken from the first 5 letters of the alphabet, with no repeats. The digits are taken from... more
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10/23/19

17 is less than one third of x
Its a math question and I dont know the answer to it.
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10/23/19

Find the derivatives
Find dy/dx:1.) y = (tanx) / (1+xtanx)2.) y = cot(x^2)+sec^2x3.) x^3 -xy +y^2 =44.) y = xarctanx
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10/23/19

Ferris Wheel Problem
Imagine you are riding a ferris wheel of radius 10m; the center of the wheel is 11m above the ground. Starting at the bottom of the wheel you ride around it counter-clockwise until the moment that... more
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10/22/19

Solve the following question.
Find the value of x at which the graphs of f(x)=x^2-5x+4 and g(x)=-2x+3 have parallel tangent lines.
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10/22/19

Find all points on the curve x^2-y^2=1 closest to (0,2)
I know i need to minimize the distance, but I am having trouble figuring out what equations or functions to use.
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10/22/19

Let h(x)=1/(x-2)^3 . Find two functions f and g such that h(x)= (f(g(x))
I need the answer before 7pm
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10/21/19

Based on the definition of a composite function, find the composite of f and g.

What is f composite g, written f ο g = f(g(x)) for f(x) = 3x + 4x2 -2 and g(x) = x3 ?
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