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Pre Calculus Precalculus

06/21/19

how to express cos in terms of sine

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Pre Calculus Calculus Precalculus Pre Calculus

06/20/19

Find the domain and vertical asymptotes

f(x)=x^2 / x^2−4

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Pre Calculus Precalculus

06/13/19

Find an polynomial of degree four, with roots given x =1, x = 4, x = -4+2i, x = -4-2i, and passes through (3, 318)

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Pre Calculus

05/28/19

Compounding Interest-Find Time or Principal

How long will it take for $2800 to grow to $3000 if invested at 4% interest compounded semiannually?

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Pre Calculus Precalculus

05/03/19

if sin = -12/13 and x is in quadrant 3, what is tan2x?

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Pre Calculus Precalculus Vectors

04/30/19

What is an orthogonal vector to (4, 2)?

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Pre Calculus Precalculus Vectors

04/30/19

Determine the angle (in degrees) between the vectors ⟨ 4 , − 5 ⟩ and ⟨ − 3 , − 2 ⟩ .

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Pre Calculus

04/23/19

Information is given about a polynomial f(x) whose coefficients are real numbers. Find the remaining zeros of f. Degree 5; zeros: -2, i, 5i

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Pre Calculus Math Systems Of Equations

04/18/19

Systems of equations

Here's the question. The dimensions of the rectangular foundation of a house is represented by the expressions (x+5) and (x-4). The area of the foundation can be represented by y+20 and the... more

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Pre Calculus Calculus

04/10/19

What are the length of the Adjacent sides? Optimization

A landscape architect wished to enclose a rectangular garden on one side by a brick wall costing $50/ft and on the other three sides by a metal fence costing $40/ft. If the area of the garden is 82... more

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Pre Calculus

04/09/19

Radio Transmitter

A small radio transmitter broadcasts in a 58 mile radius. If you drive along a straight line from a city 81 miles north of the transmitter to a second city 71 miles east of the transmitter, during... more

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Pre Calculus

04/06/19

I don't know why I got this answer wrong.

Hello, So I have been doing WebAssign homework for my math class and I have encountered this word problem: Dave has inherited an apple orchard on which 70 trees are planted. Under these conditions,... more

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Pre Calculus

03/29/19

Write the sum using summation notation, assuming the suggested pattern continues. -9 - 4 + 1 + 6 + ... + 66

Write the sum using summation notation, assuming the suggested pattern continues.-9 - 4 + 1 + 6 + ... + 66

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Pre Calculus

03/27/19

Currently in a pre-calculus class and of course having trouble.

So question came up I prefer using elimination however I was asked that You cannot use elimination for this system/problem Why?x+y=3x2+y2=25I believe you use substitution but I'm not tracking why I... more

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Pre Calculus Calculus

03/25/19

What is the largest possible product you can form from two non-negative numbers whose sum is 46?

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Pre Calculus Polynomial Integer Integer Coefficients

03/24/19

I have to find a polynomial with integer coefficients that satisfies the given conditions. thank you!!

U has degree 5, zeros 1/2 , −2, and −i, and leading coefficient 4; the zero −2 has multiplicity 2.S has degree 4 and zeros 2i and 3i.Q has degree 3 and zeros 5, 4i, and −4i.I'm so stuck.

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Pre Calculus Math Linear Quadratic equations

03/23/19

Solving A System of Linear-Quadratic Equations

The diagram shows a circle with the equation x^2 + y^2 = 25. Algerbraically prove that the line with equation 3x + 4y = 0 is tangent to the circle, and determine the point of contact.

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Pre Calculus

03/11/19

2 sin x + 2 =0 on the interval [0,2pi) Find all solutions

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Pre Calculus Calculus Precalculus Math Help

02/23/19

Re-write the exponential function g(x)=3 x 2^x in the form g(x)=Aoe^kx

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Pre Calculus

02/21/19

A pasture is 10ft longer than it is wide. Its area is 12000 ft squared. How long and wide is the pasture

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Pre Calculus Math Calculus Derivative

02/20/19

math 31 calculus question. Need help!!!!

A light airplane flies north at 250 km/hr. At the same time, another airplane starts from an airport 140 km north of the first airplane and is travelling east at 300 km/hr. What is the closest... more

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Pre Calculus

01/31/19

Find the present value of $10,000 if interest is paid at a rate of 9% per year, compounded quarterly, for 5 years. (Round your answer to the nearest cent.)

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Pre Calculus

01/28/19

Degree 4 zeros: -3+5i; -1 multiplicity 2

Form a polynomial F(x) with real coefficients having the given degree and zeros

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Pre Calculus Mathematics Pre Calc

01/28/19

Given that k=2i is a root of f(x)= x^4 + 2x^3 + 8x^2 + 8x + 16, find the roots.

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Pre Calculus Word Problem Pre Calc

01/28/19

Find a polynomial...

Find a polynomial with roots: 2 multiplicity 3, 4 multiplicity 1, and -5 multiplicity 2, passing through (2, 100)

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how to express cos in terms of sine

Find the domain and vertical asymptotes

Find an polynomial of degree four, with roots given x =1, x = 4, x = -4+2i, x = -4-2i, and passes through (3, 318)

Compounding Interest-Find Time or Principal

if sin = -12/13 and x is in quadrant 3, what is tan2x?

What is an orthogonal vector to (4, 2)?

Determine the angle (in degrees) between the vectors ⟨ 4 , − 5 ⟩ and ⟨ − 3 , − 2 ⟩ .

Information is given about a polynomial f(x) whose coefficients are real numbers. Find the remaining zeros of f. Degree​ 5; ​ zeros: -2, i, 5i

Systems of equations

What are the length of the Adjacent sides? Optimization

Radio Transmitter

I don't know why I got this answer wrong.

Write the sum using summation notation, assuming the suggested pattern continues. -9 - 4 + 1 + 6 + ... + 66

Currently in a pre-calculus class and of course having trouble.

What is the largest possible product you can form from two non-negative numbers whose sum is 46?

I have to find a polynomial with integer coefficients that satisfies the given conditions. thank you!!

Solving A System of Linear-Quadratic Equations

2 sin x + 2 =0 on the interval [0,2pi) Find all solutions

Re-write the exponential function g(x)=3 x 2^x in the form g(x)=Aoe^kx

A pasture is 10ft longer than it is wide. Its area is 12000 ft squared. How long and wide is the pasture

math 31 calculus question. Need help!!!!

Find the present value of $10,000 if interest is paid at a rate of 9% per year, compounded quarterly, for 5 years. (Round your answer to the nearest cent.)

Degree 4 zeros: -3+5i; -1 multiplicity 2

Given that k=2i is a root of f(x)= x^4 + 2x^3 + 8x^2 + 8x + 16, find the roots.

Find a polynomial...

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y=(x^2-x-2)/(x^2-16)

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Information is given about a polynomial f(x) whose coefficients are real numbers. Find the remaining zeros of f. Degree 5; zeros: -2, i, 5i