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1,063 Answered Questions for the topic Pre-Calculus

Pre Calculus Precalculus Trigonometry

04/20/22

Pre calculus magnitudes and vectors

Write the vector with magnitude 7 and direction 300° in rectangular form

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Pre Calculus

04/12/22

Find the standard form of the equation of the parabola with the given characteristics. Vertex: (4, -1); focus: (4, -4)

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Pre Calculus Math

03/24/22

Can you help me come up with an equation for a parabola with vertex at (-2,4) and focus at (-4,1) ?

I am stuck on this problem because I am not sure how to rotate the parabola. I used the equation x=a(y-k)^2+h with (h,k)=(-2,4). I think this problem has something to do with rotation but I'm not... more

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Pre Calculus

03/10/22

Find a co-function of another angle with the same value.

Find a co-function of another angle with the same value.cot(pi/6) = sqrt 3

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Pre Calculus Precalculus Pre Calculus

03/09/22

Determine analytically if the following functions are even, odd, or neither. Circle your choice for each and show the work/reasoning that led to your conclusion.

Determine analytically if the following functions are even, odd, or neither. Circle your choice for each and show the work/reasoning that led to your conclusion.a. f(x)=√(x+10)b. g(x)= 3√(x^4) -... more

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Pre Calculus Precalculus Pre Calculus

03/09/22

Graph the piecewise function 𝑓(x) = { 4 if x<1, |x-2| if -1≤x<3, { 2x-5 if x≥3

Graph the piecewise function 𝑓(x) = { 4 if x<1 { |x-2| if -1≤x<3 { 2x-5 ... more

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Pre Calculus Precalculus Pre Calculus

03/09/22

Find the average rate of change for the function f(x) = −x^2 + 4x −1 over the given interval. Simplify answers completely.

Find the average rate of change for the function f(x) = −x^2 + 4x −1 over the given interval. Simplify answers completely.[𝑥, 𝑥 + ℎ]Please help me find the average rate of change

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Pre Calculus Math Science Algebra 1

03/08/22

Pam has 2 more than ⅓ as many baseball cards as Fred. Pam has 96 cards. How many cards does Fred have?

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Pre Calculus Cirle

03/02/22

Find the distance of p1(1,5) and p2 (-9,10)

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Pre Calculus Algebra 2 Calculus Precalculus

02/28/22

Algebra in a calculus class (test tomorrow)

A band is playing their first gig. They print flyers for a $50 flat fee and $.10 per copy.A) set up a cost equation to represent the cost for printing x flyers (y=.10x+50, right?)B) what is the... more

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Pre Calculus

02/24/22

Let y vary directly as x , and y = 24 when x = 8 .

y varies directly as x. Write the equation that relates x and y if y=24 when x=2

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Pre Calculus

02/24/22

Let y vary directly as x , and y = 24 when x = 8 .

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Pre Calculus

02/22/22

Use the given zero to find all the zeros of the function. (Enter your answers as a comma-separated list. Include the given zero in your answer.) Function Zero f(x) = x3 + x2 + 36x + 36 6i

Use the given zero to find all the zeros of the function. (Enter your answers as a comma-separated list. Include the given zero in your answer.) Function Zero f(x)... more

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Pre Calculus Math Calculus Precalculus

02/19/22

I need to know the detailed solution+explanation of this problem

The fifth term in the expansion of (ax+by)^n is 560x^3y^4. Find the values of a and b, given that a and b are integers. The solution book says that the binomial coefficient is 7 choose 4 which is... more

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Pre Calculus Math Algebra 2 Calculus

02/17/22

Hi, please help with this it has to do with polynomial and real zeros.

In Problems 1 and 2, find the real zeros, of f. Use the real zeros f(x)=3x3+4x2+4x+1 f(x)=2x4+17x3+35x2-9x-45 Please do all the problems Thank You for your time :)

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Pre Calculus Prealgebra Trigonometry Algebra

02/12/22

If sin(𝜃)<0, find the value of cos(𝜃) when cot(𝜃)=3/7. (Give an exact answer. Use symbolic notation and fractions where needed.) cos(𝜃) =

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Pre Calculus

02/11/22

n= 3; -4 and 3 + 5i are zeros; f(-1) = 123

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Pre Calculus

02/08/22

Given that cosine of theta equals 8 over 17 and that θ lies in Quadrant IV, what is the exact value of sin 2θ?

Given that and that θ lies in Quadrant IV, what is the exact value of sin 2θ?

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Pre Calculus Calculus Chemistry Differential Equations

02/02/22

Aqueous hydrobromic acid (HBr) will react with solid sodium hydroxide (NaOH) to produce aqueous sodium bromide (NaBr) and liquid water (H2O).

Suppose 46.1 g of hydrobromic acid is mixed with 10. g of sodium hydroxide. Calculate the maximum mass of sodium bromide that could be produced by the chemical reaction. Round your answer... more

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Pre Calculus Calculus Trigonometry Algebra

01/31/22

Find the slope of the curve y=e^4x at x=0

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Pre Calculus

01/26/22

Pre-Calculus Logs

Solve logb(2b)-2 given: logb 2 = 0.3562

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Pre Calculus Math Algebra 2 Act Math

01/25/22

Please help me. Thank you!

If mn=16 and m^2+n^2=68, then (m+n)^2= _____a. 68b. 84c. 100d. cannot be determined

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Pre Calculus Math Calculus Precalculus

01/20/22

need help with understanding math problem

How is sin(x) = cos(x) the same as tan(x) = 1 and result in x = pi/4 ? Please give the steps to solve for x in sin(x) = cos(x). Thank you.

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Pre Calculus Word Problem

01/20/22

Pre Calc Probability Word Problem

there are 5 red balls, 30 black balls, and 7 pink balls in a jar. You pull one out, don't replace it, and pull another one out. Find the probability of getting two of the same color? Please include... more

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Pre Calculus Word Problem

01/20/22

there are 5 red balls, 30 black balls, and 7 pink balls in a jar. You pull one out, don't replace it, and pull another one out. Find the probability of getting two of the same color.

Please show work! Working with probability problems

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Pre calculus magnitudes and vectors

Find the standard form of the equation of the parabola with the given characteristics. Vertex: (4, -1); focus: (4, -4)

Can you help me come up with an equation for a parabola with vertex at (-2,4) and focus at (-4,1) ?

Find a co-function of another angle with the same value.

Determine analytically if the following functions are even, odd, or neither. Circle your choice for each and show the work/reasoning that led to your conclusion.

Graph the piecewise function 𝑓(x) = { 4 if x<1, |x-2| if -1≤x<3, { 2x-5 if x≥3

Find the average rate of change for the function f(x) = −x^2 + 4x −1 over the given interval. Simplify answers completely.

Pam has 2 more than ⅓ as many baseball cards as Fred. Pam has 96 cards. How many cards does Fred have?

Find the distance of p1(1,5) and p2 (-9,10)

Algebra in a calculus class (test tomorrow)

Let y vary directly as x , and y = 24 when x = 8 .

Let y vary directly as x , and y = 24 when x = 8 .

Use the given zero to find all the zeros of the function. (Enter your answers as a comma-separated list. Include the given zero in your answer.) Function Zero f(x) = x3 + x2 + 36x + 36 6i

I need to know the detailed solution+explanation of this problem

Hi, please help with this it has to do with polynomial and real zeros.

If sin(𝜃)<0, find the value of cos(𝜃) when cot(𝜃)=3/7. (Give an exact answer. Use symbolic notation and fractions where needed.) cos(𝜃) =

n= 3; -4 and 3 + 5i are zeros; f(-1) = 123

Given that cosine of theta equals 8 over 17 and that θ lies in Quadrant IV, what is the exact value of sin 2θ?

Aqueous hydrobromic acid (HBr) will react with solid sodium hydroxide (NaOH) to produce aqueous sodium bromide (NaBr) and liquid water (H2O).

Find the slope of the curve y=e^4x at x=0

Pre-Calculus Logs

Please help me. Thank you!

need help with understanding math problem

Pre Calc Probability Word Problem

there are 5 red balls, 30 black balls, and 7 pink balls in a jar. You pull one out, don't replace it, and pull another one out. Find the probability of getting two of the same color.

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

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3^(2x)+28=11(3^x)

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