12/09/21

Steps to determine how many bags of cement can be lifted on the elevator in one trip

An elevator at a construction site has a maximum capacity of 1890 pounds. If the elevator operator weighs 270 pounds and each cement bag weighs 60​ pounds, how many bags of cement can be safely... more

12/07/21

SIN 180 DEGREES

USE THE DOUBLE ANGLE FORMULAS TO FIND THE EXACT VALUES OF THE FOLLOWING.

06/17/21

Find the domain and x

x^2+2log2x=12

06/03/21

h(t)=−1.8t2+79t+2

A ball is thrown into the air and its position is given by h(t)=−1.8t^2+79t+2 where h is the height of the ball in meters t seconds after it has been thrown. Find the maximum height reached by the... more

Evaluate arctan and arcsin

Evaluate arcsin (-(squareroot 6) - squareroot 2 / 4 )in radians and degreesEvaluate arcsin (1.41)in radians and degreesHelp is greatly appreciated!! I've tried every method and my answers are wrong.

05/22/21

Math teachers help ")

multiple choice which equations dose not represent an inverseA: y=(3)/(x) B: 4xy=12 C: x=(5)/(7) D: x=2y

01/09/21

Calculating gradient and laplacian

consider the scalar field Φ(x,y,z) = 3*sin(-x)*sin(-y)a) calculate the gradient of Φb) calculate the laplacian of Φc) is this field harmonic ? No/Yes

12/21/20

I need help verifying this equation

(Sin2x-sin4x)/((1-sec2x)cos4x) = -1

12/20/20

Functions - Algebra I

 Supposed G takes a student's grade and gives a student's name the same as the output. Explain why G is not a function.

12/14/20

find angles that are within the range...

find angles that are within the range of (0,360°] that are coterminal to 490° and -70°find the reference angle that corresponds to it.

12/04/20

Hello there can someone please help me Rationalizing Imaginary Denominators (Simplify)

(–4+10i)/(3+6i) 

12/04/20

If f (x)= 2/x+3 and g(x) =1/x, f (g(x)) is equal to?

12/04/20

A computerized spin balance machine rotates a 25-inch-diameter tire at 430 revolutions per minute.

(a) Find the road speed (in miles per hour) at which the tire is being balanced. (Round your answer to two decimal places.)_______mph(b) At what rate should the spin balance machine be set so that... more

Find the length of the arc on a circle of radius r intercepted by a central angle 𝜃. (Round your answer to two decimal places.)

Radius r (12 feet)Central angle 𝜃 (𝜋/4 radians)Arc length s: ______ feet

Evaluate (if possible) the six trigonometric functions of the real number t. (If not possible, enter IMPOSSIBLE.)

t = 3𝜋 / 2sin (t) =cos (t) = tan (t) =csc (t) = sec (t) = cot (t) =

12/04/20

Algebra one unit 3

The value of ,y, is directly proportional to the value of, x if y =55 when x=120 , what is the value of y when x = 60

12/04/20

help with pre calc

On the interval [0,2π) determine which angles are not in the domain of the tangent function, f(θ)=tan(θ)What angles are NOT in the domain of the tangent function on the given interval? _______

12/04/20

Please help me with this question....

Write the equation of a line that is perpendicular to the line x +3y = 16 and passes through the point (-3, -4)

12/04/20

This question is kind of difficult help please.

What is the equation in slope-intercept form of the line that passes through the points (-4, 47) and (2, -16)?

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