11/05/19

justin is 15 years older than his sister emily, in six years he will be double her age. what are their current ages

justin is 15 years older than his sister emily, in six years he will be double her age. what are their current ages
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11/05/19

How to find the largest area
Find the triangle of largest area that has two sides along the positive coordinate axes if its hypotenuse is tangent to the graph of 𝑦=4𝑒−𝑥.
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11/05/19

Find the dimensions of the resulting box that has the largest volume.
 An open box is to be made out of a 6-inch by 20-inch piece of cardboard by cutting out squares of equal size from the four corners and bending up the sides. Find the dimensions of the resulting... more
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11/05/19

The radius r of a circle is increasing at a rate of 9 centimeters per minute. Find the rate of change of the area when r = 30 centimeters.
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11/04/19

How are absolute value and inequalities used in the real world.
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11/01/19

Calculus Question Optimization
The quantity demanded each month of the Sicard sports watch is related to the unit price by the equation p = 43 0.01x2 + 1     (0 ≤ x ≤ 20)where p is measured in dollars and x is measured in... more
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11/01/19

If F(x) satisfies F ’ (x) = f(x), and F(A) = 10, F(B) = 15, what is ʃ f(x)dx, if the limits of the integral are B (upper) and A (lower)?
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11/01/19

What is ʃ e^(1/2)x (dx)?
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10/31/19

Find an approximate value of the given trigonometric function by using the figure and a calculator. cos(5)
(a) the figure (Round your answer to one decimal place.)(b) a calculator (Round your answer to four decimal places.)
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10/31/19

Express the function H in the form f(g(x)). Use non-identity functions for f(x) and g(x).

H(x)=|8-x6|f(x)=?g(x)=?
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10/31/19

a rectangular field has a perimeter of 411 yards. The area of the field in terms of x is A(x)=-x^2+205.5x what is the domain of A(x)?
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10/31/19

A travel mug of 86 degrees coffee is left on the roof of a parked car on a cold winter day. The temperature of the coffee after t minutes is given by H=86(2)^−t/13.

After how many minutes will the coffee be only lukewarm (30 degrees Celsius)?
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10/31/19

Let P=(x,y) be a point on graph of y=x^2−6. Express the distance d from P to the point (2,0) as a function of x. please help
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10/30/19

In a predator/prey model, the predator population is modeled by y = 700 cos(2t) + 8000 where t is measured in years. What is the maximum population?
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10/30/19

Find the coordinate vector of x=[-4,1,-2] with respect to the basis B=([1,7,7], [0,1,-6], [001]) for R^3

Find the coordinate vector of x=[-4,1,-2] with respect to the basis B=([1,7,7], [0,1,-6], [001]) for R^3 XB=[?,?,?]
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10/30/19

Explain why f(x) = x−4 is not the identical function of g(x) = x2 −7x + 12/ x−3 .
Explain why f(x) = x−4 is not the identical function of g(x) = x2−7x +12/ x−3.
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10/29/19

Multiplying adding subtracting percents
A customer buys a set of bedroom furniture for $437.50 he pays a total of $472.50 to have the items delivered what percent of the cost did the company charge him to deliver
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10/29/19

Given the sequence 3,1,-1,-3,... use the arithmetic sequence formula to write an equation.a30
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10/29/19

How do i solve this?
The sum of 5 times the width of a rectangle and twice its length is 26 units. The difference of 15 times the width and three times the length is 6 units. Write and solve a system of equations to... more
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10/29/19

Solve for x in the quadratic equation
vx2 - wx - t = 0
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10/29/19

Evaluate ʃ 5/x dx if the limits of integration are e^2 (higher) and 1 (lower).

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10/29/19

Find ʃ sin3 x (cos x)dx, if the limits of integration are π (upper) and 0 (lower).

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10/28/19

Where a function has a zero, its reciprocal function will have a/an _____________.
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10/28/19

If x < 0 and y = 0, where is the point (x, y) located?
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10/28/19

five less than the product of 6 and a number is no more than twice that same number
five less than the product of 6 and a number is no more than twice that same number
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