William W.

12/20/20

A population numbers 11,000 organisms initially and decreases by 4.6% each year.

A population numbers 11,000 organisms initially and decreases by 4.6% each year. Suppose P represents population, and t the number of years of growth. An exponential model for the population can be... more

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Algebra 2

12/20/20

for y=x^2(x-3)^3(2x+1) state the end behavior, determine the x and y intercepts and sketch a graph

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Precalculus

12/20/20

transformation of functions

find g(x) where g(x) is the translation 1 unit left and 7 units down of f(x)= -6x + 5.

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Statistics

12/19/20

Stats Question help?

The least squares regression line is calculaed to bey = 1428 - 1.37xIt is determined that 86% if the variation in the wind speed of a cyclone can be accounted for by the atmospheric pressure. a)... more

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Physics Physics

12/18/20

If you ride your bike 30 miles and it takes you 120 minutes, what is your average speed? Remember v = d/t

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Calculus

12/18/20

regarding derivatives(calculus)

Does the derivative (the slope value) only give us the instantaneous rate change at a point and nothing else? Is this the only significance of that value?For example I took the function f(x)=x^2... more

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Physics

12/18/20

How much kinetic energy does a 50.0 g bullet traveling at 350 m/s have?

I'm not sure how to calculate this??

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Calculus

12/16/20

e^(2x-y) = x^2 y^-1, tangent line the the graph (2,4)

The equation to the tangent line to the graph?

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Chemistry Ideal Gas Law Combined Gas Law

12/16/20

When a sample of a gas at a pressure of 200 kPa and constant volume is heated from 30° ° C to 80° ° C, the pressure will be:

A) 172kPaB) 75 kPaC) 233 kPaD) 101.3 kPaE) 533 kPa

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Calculus

12/15/20

Letf(x)=x/1+x^2. (a) Find f′(x), simplify your answer as much as possible. (b) Find f′′(x), simplify your answer as much as possible.

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Precalculus

12/15/20

Find all the zeroes of: f(x)=2x^5+5x^4+4x^3+17x^2-16x-12 show the p/q set, the descartes sign chart, and your synthetic divison table. Then sketch a graph of your results

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Geometry

12/15/20

Let p be “you are a pitcher” and let q be “you are on the baseball team.” Write the contrapositive~ q to p in words. Then decide whether it is true or false.

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Math Calculus Physics

12/14/20

please help with math

A curve in the xy-plane is defined by the equation x^3/3+y^2/2−3x+2y=−1/6. Which of the following statements are true?i. At points where x=√3, the lines tangent to the curve are horizontal.ii. At... more

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Math Algebra 1

12/14/20

4z+2 = 2z+4 need help on this rq

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Calculus Pre Calculus Calc

12/14/20

Find and simplify the expression if f(x)=x2−4. f(7+h)

Find and simplify the expression if f(x)=x2−4.f(7+h)f(7+h)= _________(Simplify your answer. Do not factor.)

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Calculus Derivative

12/13/20

Consider the curve given by the equation y^2-2x^2y=3

Consider the curve given by the equation y2-2x2y=3. a) Find dy/dx . b) Write an equation for the line tangent to the curve at the point (1, –1). c) Find the coordinates of all points on the curve... more

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Physics

12/12/20

Gravity in Physics

If there is an attractive force between all objects, why do we not feel ourselves gravitating toward massive buildings in our vicinity?

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Precalculus Trigonometry Trigonometric Identities

12/12/20

Use trigonometric identities to transform the left side of the equation to the right side (0 < θ < π/2).

1) sinθ/cosθ + cosθ/sinθ = cscθsecθ2) (tanB + cotB)/tanB=csc^2B

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Physics

12/12/20

What is the magnitude and direction of the force acting on the ball?

A small ball of 30 grams makes a smooth circular motion. The radius of the circular orbit is 25 centimeters to make a complete circletime required 3 seconds. What is the magnitude and direction of... more

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Geometry

12/12/20

Write the equation of the line parallel to y - 4 = 2x which passes through the point (4,6).

y = -1/2x + 8 y = -2x + 2 wrong y = 2x - 2 y = 1/2x - 8

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Physics

12/12/20

An object has an acceleration of 6.0m/s/s.If the net force acting upon this object were doubled,then its new acceleration would be

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Pre Calculus

12/12/20

Find the polynomial function f with zeros 2/3 and 4i, and which f(3)=-525

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Ap Calculus

12/12/20

Which of the following statements is true

f(x)= {3x=1 for x≤2 {5x-3 for x>2Which of the following statements is true. the function is defined aboveA) f is neither continous nor differentiable at x=2B) f is continous but not... more

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Math Calculus

12/12/20

Find the point in the first quadrant where the line y = 4 x intersects a circle of radius 7 centered at the origin.

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Algebra 1 Linear Equations Functions

12/12/20

Given f(x) is a linear equation, with f(−3)=12, and slope m =−2, what is the equation for the line in standard form?

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A population numbers 11,000 organisms initially and decreases by 4.6% each year.

for y=x^2(x-3)^3(2x+1) state the end behavior, determine the x and y intercepts and sketch a graph