454 Answered Questions for the topic Precalculus Homework
Find an integer such that the sum of twice the square of the integer and the integer itself is 55.
The diagonal of a square tile is 4 inches longer than its side. Find the length of the side.
The price of gas increased by 20% from July to August, while your consumption of gas decreased by 20% from July to August. What is the percentage change in gas?
The sum of three consecutive even integers is 42. Find the integers.
Ms. Jordon invested $4900, part at 6% interest and rest at 8%. If the yearly interest on each investment is the same, how much interest does she receive at year
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.