448 Answered Questions for the topic Precalculus Homework
A trapezoid has an area of 35 square centimeters. Assuming that one base is 9 centimeters and the other base is 11 centimeters, find the height of the trapezoid
Find the sum of the series. 6+18+54+162+⋅⋅⋅+6(3^9)=
Write the sum of the following series using sigma notation. 44+37+30+23+16+9 S=∑n=0af(n), where a=Entry field with correct answer 5 and f(n)=Entry field wi
A person leaves her home and runs 6 miles due north. Then, she turns through the angle α=15∘ east of north and runs 5 miles in the new direction. How many mile
Optimization problem? Please help!!!
Partially correct answer. Your answer is partially correct. Try again. Describe in words the long-run behavior as x→∞ of the function y=2x3-200x2-4. W
Determine the long-run behavior of the rational function. 1x+1+4xx+6 As ∞ x→∞, 1x+1+4xx+6→Entry field with incorrect answer . As ∞ x→-∞,
Find a possible formula for a polynomial g with the given properties. g is fourth degree, g has a double zero at x=2, g(5)=0, g(−3)=0, and g(0)=2. Enter th
Make the trigonometric substitution x = a tan θ for −π/2 < θ < π/2 and a > 0
What expression is equal to tan(arccos(2x))?
Find all exact solutions of the equation tan(3x)=sqrt3 in the interval [0,π)
Find all exact solutions of the equation tan(x)=-1 in the interval [0,2π]
Write the equation as a function of x in the form y = a sin(bx + c) for a > 0, b > 0, and the least positive real number c.?
What are the possible values of the angle θ if (cos(θ))^2=1/2 and sin(θ)=-sqrt2/2 (Only the numerator is under the square root)
Determine the set of values of x where the function y=cos(x) is increasing where −2π < x < 2π.
An arc on a circle subtends a central angle of "theta"=1/2pi radians, and the area of the sector is 98 cm^2.
one gear wheel turns another
Pre Calc: Identities
A bike wheel has a circumference of 113 inches and travels 791 inches on a road.
Decay rate,k is 2.7% per year=-0.027. What is the half-life in years
A farmer finds that if she plants 75 trees per acre, each tree will yield 20 brushels of fruit.
complete the identity: cot(t) + tan(t)=
A parabola has a vertex at (2,4). The y-coordinate of the parabola at x=3 is 18/6 . Determine the x-intercepts of the parabola. Enter your answer in exact form