2,195 Answered Questions for the topic Pre Calculus

03/02/21

If she maintains a constant speed of 615 miles per hour, how far is she from her starting position?
A pilot flies in a straight path for 1 h 30 min. She then makes a course correction, heading 10 degrees to the right of her original course, and flies 2 h in the new direction. If she maintains a... more
Follows • 1
Expert Answers •1

03/02/21

Given a triangle A B C with A = 30 ∘ , b = 50 , and c = 40 Find angle B

Follows • 1
Expert Answers •1

03/02/21

need tangent line immediately please
Let: f(x) = 5x^3 + 13x - 3The derivative function is: f ' (x) = ((5(x+h)^2 + 13(x+h) - 3) - (5x^2 + 13x - 3)) / hThe f ' (x) = df/dx = 10x + 13Based on this information, I need to find the tangent... more
Follows • 1
Expert Answers •1
Pre Calculus High School Math

03/01/21

Given the point (3,-3) on the terminal side of an angle, what is the exact value of CSC Θ
Follows • 1
Expert Answers •2
Pre Calculus

02/28/21

find v 2^v+8=3^2v-1
Need help solving for v?since the bases arent the same what would you do
Follows • 1
Expert Answers •1

02/28/21

Using the Law of Sines to find a triangle with one obtuse angle if ∠ A = 48 ∘ , a = 32 , b = 34 .

Assume ∠A is opposite side a, ∠B is opposite side b, and ∠C is opposite side c
Follows • 1
Expert Answers •1

02/26/21

Precalculus question

Solve the equation. Find ALL solutions.cos 2x = -√3/2
Follows • 1
Expert Answers •1

02/26/21

y = mx + b for a tangent line
can someone help me find the equation of the tangent line for the equation: y = 5 sec x - 10 cos x at the point, (pi/3, 5)the tangent line equation is: (15sqrt3)x - (5sqrt3) pi + 5 , however... more
Follows • 1
Expert Answers •1

02/26/21

can someone help me find f'(x)?
if f(x) = 5sinx / 2 + cosx ,,,,, what would f '(x) be?
Follows • 1
Expert Answers •2
Pre Calculus

02/26/21

In ΔDEF, d = 5.2 inches, e = 6.8 inches and ∠F=166°. Find the length of f, to the nearest 10th of an inch
Follows • 1
Expert Answers •1
Pre Calculus Calculus

02/25/21

Average Rate Of Change

Find the Average Rate of Change g(x)= 3x2+2 between the form -4 to 2. Give your answer as a integer or reduced fraction.
Follows • 1
Expert Answers •1

02/24/21

cos(x) = -2/9 solve the equation and approximate the solutions which lie in the interval [0, 2π) to four decimal places.
Follows • 1
Expert Answers •1

02/24/21

prime of f help
what is: f '(-1) when you have the following information:f(x) = x^11 * h(x)h(-1) = 4h ' (-1) = 7im not sure how to find the f ' (-1) - I tried to find it myself but im having a lot of issues and... more
Follows • 1
Expert Answers •1
Pre Calculus Precalculus Pre Calculus

02/24/21

Find the exact values of the other 5 trig functions if cos θ = -1/3, pi/2 < θ < pi
Find the exact values of the other 5 trig functions if cos θ = -1/3, pi/2 < θ < pi
Follows • 1
Expert Answers •1
Pre Calculus

02/23/21

write the sum using summation notation, assuming the suggested pattern continues. -1+2+5+8+...+44
Follows • 1
Expert Answers •1
Pre Calculus

02/22/21

I need to write an equation in any form for the quadratic graph
https://imgur.com/OkNkCvh
Follows • 1
Expert Answers •1
Pre Calculus Calculus Ap Calculus

02/22/21

If tan θ = 4/9 and cot ϕ = 7/5 , find the exact value of sin ( θ + ϕ ) .
I'm stuck on this question. Please provide an answer to this question!If tan θ = 4/9 and cot ϕ = 7/5 , find the exact value of sin ( θ + ϕ ) You do not need to simplify any radicals.sin(θ+ϕ)=
Follows • 1
Expert Answers •1

02/21/21

anti-derivative help please!
the limit below represents the derivative of some function in the number a:lim h-->0 = 4(3+h)^5 - 972 ----------------------- hI need the original... more
Follows • 1
Expert Answers •2

02/20/21

cos(2theta)=sin(theta)
solve the following 0<(or equal to) theta<2pi
Follows • 1
Expert Answers •2

02/20/21

Tan(theta)sec(theta)+2Tan(theta)=0
solve the following 0<(or equal to) theta<2pi
Follows • 1
Expert Answers •2

02/20/21

Find the exact value of sin(arcsec(-4/3))
Follows • 1
Expert Answers •1
Pre Calculus Quadratic Formula

02/20/21

I need real help on how to find the vertex for this question! PLS EXPLAIN
The starting price of grapes per mz is $8.00, at which you can sell 60 m^2 worth- For every $3.00 increase in price, you sell 3 m^2 less. So use the same method you just used to find... more
Follows • 1
Expert Answers •1
Pre Calculus Quadratic Formula

02/20/21

I need real help on how to find the vertex for this question! PLS EXPLAIN
The starting price of grapes per mz is $8.00, at which you can sell 60 m^2 worth- For every $3.00 increase in price, you sell 3 m^2 less. So use the same method you just used to find... more
Follows • 2
Expert Answers •1
Pre Calculus

02/15/21

Write -5( tan(x) + sec(x)) ( 1 - sin(x)) in terms of sine and cosine.
Follows • 1
Expert Answers •1
Pre Calculus Math Calculus

02/14/21

Calculus Word Problem
The graph of Celsius temperature, C, as a function of Fahrenheit temperature, F, is a line. It is known that 0 degrees C and 32 degrees F both represent the temperature at which water freezes.... more
Follows • 1
Expert Answers •1

Still looking for help? Get the right answer, fast.

Ask a question for free

Get a free answer to a quick problem.
Most questions answered within 4 hours.

OR

Find an Online Tutor Now

Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.