11/07/21

What is an equation of a line perpendicular to the line y=1/2x-3 that contains the point (6,4)
What is an equation of a line perpendicular to the line y=1/2x-3 that contains the point (6,4)
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11/07/21

The velocity of a car after t seconds is 20 – 2t feet per second. How many seconds does it take for the car to come to a stop (velocity = 0)?
b) How far does the car travel while coming to a stop?c) How many seconds does it take the car to travel half the distance in part (b)?My theory right now is that time is equal to 10 seconds for... more
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11/07/21

Help me with Calculus
In a certain chemical manufacturing process, the daily weight y of defective chemical output depends on the total weight x of all output according to the empirical formulay=0.04x+0.0005x^2where x... more
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09/19/21

find the point of the line vector x =... that is closest to (1, -3, 0)
Find the point on the line vector x = (1, -1, -1) + t(1, 1, 1) that is closest to (1, -3, 0)
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09/19/21

Derivatives of Trigonometric Functions
f (x) = -3x / (sinx + cosx) Evaluate f '(x) at x = −πf '(−π) =
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07/12/21

Definite Integrals
 10 ∫√x √1+x √x dx  π/3π/6 ∫ (1-cos 0) csc2 0 d 0  e1 ∫lnx/x dx
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06/26/21

Find the surface area of the curve

For the curve 4y² =( 16/9)(x² + 1)³, find the following requirements over the interval 1 < =x < =2:1. The length of this curve.2. The surface area generated by rotating this curve about the... more
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06/12/21

Please, Read the Question Below :)
A person stands on a scale in an elevator. As the elevator starts, the scale has a constant reading of 594 N. As the elevator later stops, the scale reading is 386 N. Assume the magnitude of the... more
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06/12/21

Find the rate of rotation of the line joining them after 3-hr.
Two ships sail from A at the same time. One sails south at 15mi/h; the other sails east at 25mi/h for 1-hr and then turns north. Find the rate of rotation of the line joining them after 3-hr.
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03/28/21

maximum velocity
At a carnival, an animated target oscillates in a straight line from a fixed point, P, such that after t seconds, its position, in meters per second, is given by S(t)= cos(t) - cos (2t). Determine... more
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10/14/20

Find the price that will maximize profit for the demand and cost functions, where p is the price, x is the number of units, and C is the cost.
Demand Function: p = 49 - 0.1(sqrt x)Cost function:C = 34x+600
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10/05/20

A searchlight rotates

A searchlight rotates through one complete revolution every 4 seconds. How long does it take the light to rotate through 71 degrees?
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10/05/20

What type of quadrilateral is formed when the midpoints of the sides of an isosceles trapezoid are joined in order?
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10/04/20

Please help with this problem.
Cos A+B= -8/17 in quadrant III, Cos B 13/85 Quadrant I. Find Cos A+B
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09/27/20

Given that f(x) = 2x + 1 and g(x) = sqrt x - 3, calculate. (Please show me step by step._)
f(g(14))g(f(14))
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09/26/20

Write the composite function in the form f(g(x)).  [Identify the inner function u = g(x)
Write the composite function in the form f(g(x)). [Identify the inner function u = g(x) and the outer function y = f(u).] (g(x), f(u)) =     Find the derivative dy/dx. dy dx  =  
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09/26/20

Find the limit.
Find the limit. lim θ→0 sin(2θ) θ + tan(4θ)
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09/22/20

Is this a use of the Squeeze Theorem?

Two broadcasting signals signals and signal b have amplitudes that can be modeled by mathematical equations. we will attempt to show that signal a and signal b have the same amplitude at some point... more
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09/22/20

There are 10 less trumpet players than saxophone players. The number of saxophone players is 3 times the number of trumpet players. How many trumpet players are there?
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09/22/20

Suppose F(x)=f(x)g(2x). If f(1)=3, f’(1)=3, g(2)=2, g’(2)=5. Find F’(1). Find the derivative of g(2x) at x=1
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09/22/20

F(x)=g(h(x)), g(2)=3, g’(2)=3, h(0)=2, h’(0)=5, Find F’(0)
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09/19/20

find the exact area

Find the exact area of the surface obtained by rotating the curve about the x-axis.y= sqrt 1 + ex,    0 ≤ x ≤ 6
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09/18/20

how many guesses should you expect to make to guess the secret word?
In Guess My Word each day, there is a secret word, and you try to guess it as efficiently as possible by typing in other words. After each guess, you are told whether the secret word is... more
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09/18/20

Calculus BC Word Problem NEED HELP ASAP PLS
Water leaks from a tank at the rate of r(t) gallons per hour. The rate decreased as time passed, and values of the rate at two-hour time intervals are shown in the table below. The total amount of... more
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09/18/20

how to find transformation of function below

a)Write an equation for a function that has a graph with the given characteristics.The shape of y=5√x shifted right 3 units and shifted up 8 units.b)Write an equation for a function that has a... more
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