01/15/19

Erik types 1 over 3, of a page in 1 over 5, of an hour. At this rate, how many pages will he type in one hour? Express your answer as a fraction.

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01/13/19

Probability (GEOMETRY)
A meeting takes place between a diplomat and fourteen government officials. However, four of the officials are actually spies. If the diplomat gives secret information to ten of the attendees at... more
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12/11/18

What is the answer
Plan 1 is a weekly salary of $600 plus 7% commission of sales. Plan 2 is a straight commission of 11% of sales. How much in sales must he make in a week for both plans to result in the same salary?
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12/10/18

A car is traveling at 61 mph. The car tire has a diameter of of 26 inches. At what rate is the tire rotating, measured in revolutions per minute?
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11/30/18

Sally is four years older than John. John is nine years older than Karen. If the sum of their ages is 85, how old are they?
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11/30/18

a map of the world has a scale in which 1/3 inch represent 25 miles. what length is used to represent 630 miles between two cities on the map

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11/28/18

Find dy/dx if y=√1-tanx/√1+tanx
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11/17/18

Linear Approximation
The stopping distance for an automobile is F(s) = 1.1s + 0.054s2 ft, where s is the speed in mph. Use the Linear Approximation to estimate the change in stopping distance per additional mph... more
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11/17/18

Linear Approximation
Use differentials or Linear Approximation to approximate the value shown (note each method will give the same result for your chosen x = a)Cube root of 26.1(Round to four decimal places)
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11/16/18

write the equation of the line through (1,0) and (2,-2)
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11/05/18

Write an equation of the line that passes through point (6, 1) and has the slope m=−3
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11/03/18

A 2500 kg car is moving with a speed of 30 m/s. How much work is required to stop the car?
A 2500 kg car is moving with a speed of 30 m/s. How much work is required to stop the car?
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10/27/18

Conceptual Question on Work and Forces
Alex and John are loading identical cabinets onto a truck. Alex lifts his cabinet straight up from the ground to the bed of the truck, whereas John slides his cabinet up a rough ramp to the truck.... more
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10/11/18

Differential Equation second order using series (reccurrence relation)
(dy^2/d^2x)+(1-x)(dy/dx)-y=0 Initial Conditions y(0)=-1; dy/dx(0)=2I am able to solve the reccurence relation, but Im not sure how to find the values of a0 and a1 using the inital conditions. Can... more
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10/10/18

Find the slope of the line passing through the points (-5, 3) and (7,9).

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10/01/18

A truck can be rented from Company A for ​$90 a day plus ​$0.30 per mile. Company B charges ​$30 a day plus ​$0.70 per mile to rent the same truck.
How many miles must be driven in a day to make the rental cost for Company A a better deal than Company B's?
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09/13/18

If you ask 500 people, how many would you expect to play baseball?
Suppose 48 out of every 120 people like baseball and of the people who like baseball, 3 out of 5 play baseball.
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09/07/18

Math word Problem
Jamie and Pat volunteered to paint the hall in the E wing. If it would take Jamie 10 hours to paint the hall alone, and take Pat 5 hours to paint the hall alone, how long will it take them to paint... more
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09/04/18

Use2006 and 2015 data to form linear equation used to estimate the annual median salary t years after 2006. Round coefficients to nearest whole number
2006- $59,710 2015- $67,490
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09/03/18

V(x)= 6x^3+9x^2-24x+36 , where x is the widthof the room in meters. If the volume is 45 cubic meters , what is the width of the room ?
The volume of a computer room in Zeki's, an internet cafe is expressed in the pynomial function V(x)= 6x^3+9x^2-24x+36 , where x is the widthof the room in meters. If the volume is 45 cubic meters... more
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07/23/18

Solve the differential equation (x^2 -1)dy/dx =-(x^2+1)y
Given y=1 when x=3. Express y as a function of x  
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06/27/18

What is the simple formula for the nth term of the following arithmetic sequence?
12, 16, 20, 24, 28, …
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04/25/18

The perimeter of an isosceles triangle is 16cm. What are the dimesions of the sides and height for the maximum area
Related Rates Problem Solving
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03/11/18

Use differentials to approximate the quantity
Use differentials to approximate the quantity a. √101 b. 4√81.6
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01/29/18

Help Please! Practical equation solving for work
Hello! I am at work and trying to find a formula for calculating the number of shares of a stock to buy, after the price has fluctuated from your original buy in, to give you your chosen average... more
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