1,063 Answered Questions for the topic Pre-Calculus

10/15/20

A wheel with diameter 32 inches completes four revolutions in 0.5 seconds. Find the linear speed of the edge of the wheel in inches per second. 
A wheel with diameter 32 inches completes four revolutions in 0.5 seconds.Find the linear speed of the edge of the wheel in inches per second. Round to the nearest whole number. Linear speed... more
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10/15/20

A 55 foot tall radio tower r feet from an observer subtends an angle of 3°.
A 55 foot tall radio tower r feet from an observer subtends an angle of 3°. Use the arc length formula to estimate r(the distance between the observer and the radio tower) to the nearest... more
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10/15/20

A tree 1,900 yards from an observer subtends an angle of 4°. Use the arc length formula to estimate the height of tree.
A tree 1,900 yards from an observer subtends an angle of 4°. Use the arc length formula to estimate the height of tree.Round the answer to the nearest yard, if necessary.The height of the tree is... more
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10/12/20

(0,5) is on the terminal arm of angle theta in standard position. Calculate sin theta.
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Pre Calculus

10/09/20

the function f(x) = 3x+2 is continuous for all of X values in
the function f(x) = 3x+2 is continuous for all of X values in
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10/02/20

Find the coefficient "a" of the given term in the expansion of the binomial.
Binomial: (2x - 5y)10 Term: ax5y5I'm supposed to come up with a large number but I have no clue how to do that
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10/02/20

Find the coefficient "a" of the given term in the expansion of the binomial.
Binomial: (4x - y)12Term: ax3y9The problem also needs to be a a large number but i have no idea how to get to that point
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10/02/20

Use the Binomial Theorem to expand the complex number. Simplify your result. I am really struggling on finding the solution.
(5 + √ -9)3
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10/02/20

Find the coefficient "a" of the given term in the expansion of the binomial.
Binomial: (4x - y)12Term: ax3y9
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10/02/20

Find the coefficient "a" of the given term in the expansion of the binomial.
Binomial: (2x - 5y)10Term: ax5y5
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Pre Calculus Precalculus Pre Calculus

10/01/20

find the difference quotient and simplify
For f(x) = 3x^2 - 2x
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Pre Calculus

09/30/20

how to evaluate lxl/x

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Pre Calculus

09/30/20

Pre-Calc help please!

What is the upper bound of the function? f(x)= 4x^4 -2x^3 + x-5show work please!
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09/30/20

Find the coefficient a of the given term in the expansion of the binomial.
Find the coefficient a of the given term in the expansion of the binomial.Binomial: (4x − y)12Term: ax3y9a=
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09/30/20

Use the Binomial Theorem to expand and simplify the expression.

Use the Binomial Theorem to expand and simplify the expression.(x + 2)5 − 4(x + 2)4
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09/30/20

Use the Binomial Theorem to expand the complex number. Simplify your result.
Use the Binomial Theorem to expand the complex number. Simplify your result.(5 - √ 3i)^4
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09/30/20

Find the specified nth term in the expansion of the binomial.

Find the specified nth term in the expansion of the binomial.(x – 10z)7, n = 5
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09/30/20

Use the Binomial Theorem to expand and simplify the expression.
Use the Binomial Theorem to expand and simplify the expression.2(x − 3)4 + 5(x − 3)2
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09/30/20

Use the Binomial Theorem to expand and simplify the expression.
Use the Binomial Theorem to expand and simplify the expression (x2 + y2)3
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Pre Calculus Math Precalculus

09/30/20

Use a graphing utility to find nCr for 550C548
Use a graphing utility to find nCr for 550C548
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09/25/20

Find a polynomial function f(x) with real coefficients that has the given zeros. (There are many correct answers.) −7, −7, i
Find a polynomial function f(x) with real coefficients that has the given zeros. (There are many correct answers.)−7, −7, if(x)=
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Pre Calculus Word Problem

09/20/20

The sum of two numbers is twenty-one. Twice the larger number is four times the smaller number. Find the two numbers
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09/18/20

Suppose H(x) = radical(5-7x^2) . Find two functions and such that (f x g)(x) = H(x)
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Pre Calculus Math Precalculus

09/16/20

Find the average rate of change of ​f(x) = -3x^2 + 6 over each of the following intervals:
Find the average rate of change of ​f(x) = -3x^2 + 6 over each of the following intervals:​(a) From 1 to 3​(b) From −2 to 0​(c) From 3 to 6
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Pre Calculus

09/16/20

How do you find an equation of a line parallel to y=3x-5 and contains the points (-1,5)
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