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2,195 Answered Questions for the topic Pre Calculus

Pre Calculus

07/06/18

Rotate the axes to eliminate the xy-term in the equation. Then write the equation in standard form. 5x2 – 6xy + 5y2 – 12 = 0

i need an answer for this ASAP

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Pre Calculus

07/04/18

The pH reading of a sample of each substance is given. Calculate the hydrogen ion concentration of the substance. (Give your answers in scientific notation, cor

for 5.4 ph value

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Pre Calculus

07/04/18

The burial cloth of an Egyptian mummy is estimated to contain 58% of the carbon-14 it contained originally. How long ago was the mummy buried? (The half-life of

how to solve this

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Pre Calculus

07/04/18

he pH reading of a sample of each substance is given. Calculate the hydrogen ion concentration of the substance. (Give your answers in scientific notation, corr

write in scientific notation

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Pre Calculus Precalculus Simplify Simplifying Expressions

06/28/18

Help simplifying?

simplify. 2sin2x/2 -1

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Pre Calculus Precalculus Polynomial Polynomials

06/28/18

Find a polynomial function of lowest degree with rational coefficients that has 3-i, and √7 as some of its zeros

Thank you!

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Pre Calculus Precalculus Trigonometry Interval

06/27/18

Given the function value and the quadrant restirction, find θ?

Sin θ=-0.9744 (270°, 360°)

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Pre Calculus Algebra

06/25/18

Construct a polynomial function with the following properties: fifth degree, 4 is a zero of multiplicity 22, −4−4 is the only other zero, leading coefficient i

Construct a polynomial function with the following properties: fifth degree, 4 is a zero of multiplicity 2, −4 is the only other zero, leading coefficient is 2.

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Pre Calculus

06/22/18

Need help finding the missing values and how to solve.

Find the missing values assuming continuously compounded interest. (Round your answers to two decimal places.) Initial Investment: $200 % Rate: (find) Time to Double: (find) Amount... more

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Pre Calculus

06/15/18

Average rate of change function

f(x)=x2 -2 find the rate of change on the interval (3,3+h)

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Pre Calculus

06/07/18

Find the zeros (roots) of the following equations. f(x) = 2x5 - 9x4 + 12x3 - 12x2 + 10x - 3 = 0

im taking a class but working at home right now and I just can't pass this assignment please help

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Pre Calculus Algebra

06/04/18

(1/1+√3) + (1/√3 + √5) + (1/√5+√7) + ... + (1/(√(2n-1)) + (√(2n+1)) = 300 1/[sqrt(2n - 1) + sqrt(2n + 2)] = [sqrt(2n - 1) - sqrt(2n + 1)] / [ sqrt(2n - 1)^2 - sqrt(2n + 1)^2 ] = [ sqrt(2n - 1)... more

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Pre Calculus Calculus Trigonometry Math, Algebra, Equation, Problem,

05/31/18

Pre-calc/trig

Confirm that f and g are inverses by showing that f(g(x)) = x and g(f(x)) = x. f(x) = x-8/x+7 and g(x) = -7x-8/x-1

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Pre Calculus

05/31/18

if sinx=8/17 and pi/2 less than or equal to x less than or equal to pi find the exact value of cos(x/2)

In need help solving this problem can anyone help. This is a preclac question

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Pre Calculus Algebra

05/30/18

Could you please explain how to come to the answer.

Determine the number of solutions (P,Q) for the equation (P/Q) - (Q/P) = ((P+Q) / (PQ)) where P and Q are integers, from -8, to +8 inclusive.

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Pre Calculus Algebra 2 Precalculus Algebra

05/30/18

Evaluate each function for the given value of x?

f = (10,7),(-2,4),(5,3),(4,10) f(10) =

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Pre Calculus

05/30/18

1. Simplify: 3x^2-5x-(5x + 8-(8-5x^2 + (3x^2-x+11)))

This is the answer. Answer: x^2-11x+1 and now, I need the solution how to get the answer :'(

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Pre Calculus

05/29/18

How would I go about finding the possibilitys

At some time between 9:30 and 10 o'clock the triangle determined by the minute hand and the hour hand of the clock is a isosceles triangle. If two equal angles in this triangle are each twice as... more

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