15,254 Answered Questions for the topic precalculus

Precalculus

06/13/23

The angle t is an acute angle and sin t is given. Use the Pythagorean identity sin^2t+cos^2t=1 to find cos t.
sin t = 2/5cos t = ____
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Precalculus

06/13/23

The angle t is an acute angle and sin t is given. Use the Pythagorean identity sin^2t+cos^2t=1 to find cos t.
sin t = √5/6cos t = ____
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Precalculus

06/13/23

Precalc Factor Theorem

Use the Factor Theorem to show that x − c is a factor of P(x) for the given values of c.P(x) = x3 − 10x2 + 28x − 24; c = 6Since P(6) = ? ,x-6 is a factor of P(x) by the Factor... more
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Precalculus

06/13/23

Precalc Polynomials

Two polynomials P and D are given. Use either synthetic or long division to divide P(x) by D(x), and express P in the form P(x) = D(x) · Q(x) + R(x).P(x) = x4 + 3x3 − 15x, D(x) = x − 4 ... more
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Precalculus

06/13/23

Precalc Polynomials
Two polynomials P and D are given. Use either synthetic or long division to divide P(x) by D(x), and express the quotient P(x)/D(x) in the formP(x)= Q(x) + R(x)D(x) D(x). P(x)= 3x3 + 9x2 − 6x − 1,... more
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Precalculus

06/13/23

PreCalc Polynomials
Two polynomials P and D are given. Use either synthetic or long division to divide P(x) by D(x), and express P in the form P(x) = D(x) · Q(x) + R(x).P(x) = 8x4 + 4x3 + 6x2,    D(x) = 2x2 + 1P(x) =
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Precalculus Calculus

06/12/23

Find the scalar equation of the plane that contains P and is parallel to the yz-plane

The parametric equations for a line and a plane that intersects at a point P are given below e={x=4+4t pi={x=1+4s y=3 y=2+3s+t z=1 ... more
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Precalculus

06/12/23

Ferris wheel speed
A ferris wheel that is 52 feet in diameter turns at a rate of 2 rpm, and is 5 feet off the ground at it's lowest point. Assuming at time = 0 seconds, the passenager ia at the bottom of the wheel,... more
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Precalculus Calculus

06/12/23

Use logarithmic differentiation to determine the derivative.
Let f(x)=x7x. Use logarithmic differentiation to determine the derivative.F(x)= ?F(1)=?
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06/11/23

Unsure how to make a table of values algebra help needed

Use your graphing calculator to help you complete each part. A function squares the input then adds 3 to obtain the output. 2) Complete the table of values describing the function.
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Precalculus Math Algebra 2 Calculus

06/11/23

Rewrite this logarithm in a form with no logarithm of a product, quotient or power
log {sqrt [(x^2 +16) / (x^2 +20)(x^3 -2)^2)] }
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Precalculus Calculus

06/10/23

calculus question

1- Given the question below find dy/dx.38x6+10x57y+y9=49dy/dx= -228x5+570x56y/10x57+9y8 2- Now, find the equation of the tangent line to the curve at (1, 1). Write your answer in mx+b formaty=?
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Precalculus

06/10/23

use the point on the line and the slope m

Use the point on the line and the slope m of the line to find three additional points through which the line passes. (There are many correct answers.)(3, 1), m = 0
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Precalculus Math Calculus

06/08/23

find the derivative

find the derivative of -9sin2(-3x5)
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Precalculus Trigonometry

06/08/23

Equation Involving Trigonometric Identities
Solve this equation for 0 ≤ θ < 2π:tanθsinθ - 4tanθ = -3tanθ
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Precalculus

06/08/23

Solve the following problem: 2sintheta=sectheta
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Precalculus

06/07/23

Solve the equation: 2sin(theta)=sin(theta)
A video response would be nice but either way is fine.
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Precalculus

06/06/23

Solve the triangle and find its area. If there are two solutions, find both. G=33 degrees, g=20 inches, h=15 inches
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Precalculus Algebra 2 Calculus

06/06/23

Calculus math question
If f(x)= 7+5x-4x2, find f'(3)
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Precalculus Math Algebra 1 Algebra 2

06/05/23

how to resolve (x + 1)dx + e^y dy = 0 at points (x, y) = (0, 1).

I don't understand this problem. If you can give me the answer step by step it would be perfect. It would be even more perfect if you explain it. Thanks
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Precalculus

06/02/23

If tan t = −7/24 and 3 π/2 < t < 2 π , find sin t , cos t , sec t , csc t , cot t . Enter the exact answers.
sin t=cos t=sec t=csc t= cot t=
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Precalculus Algebra 2 Calculus Physics

06/01/23

Physics homework question
Question: The edges of a shoebox are measured to be 12.3 cm, 18.8 cm, and 29 cm. ***Determine the volume of the box retaining the proper number of significant figures in your answer.)
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Precalculus

05/31/23

Evaluate the following summation: Starting at n=1, ending at infinity. (1/(n(n+1)))
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Precalculus

05/30/23

It's a question for vectors about angles
Line L makes a 120 degree with the positive x-axis, a 45-degree angle with the positive y-axis and a 60 degree angle with the positive z-axis. Write a symmetric equation for Line L.I'm not sure... more
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Precalculus Calculus

05/26/23

Optimization problem (Calculus)
A rectangular pigpen will be surrounded by a fence and then divided into two sections by a block wall. The area of the pigpen must be 50 m^2 . Fencing costs $20/m. The block wall costs $35/m. What... more
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