12/05/21

After an antibiotic tablet is taken, the concentration of the antibiotic in the bloodstream is modeled by the following function
C(t) = 7(e −0.5t − e −0.6t )where the time t is measured in hours and C is measured in µg/mL. What is the maximum concentration of the antibiotic during the first 4 hours and when does it happen?... more
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12/05/21

Optimization with Two Variable Functions
Suppose that f(x,y)=3x^4+3y^4−2x^y  Then the minimum is
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12/04/21

A 7.6 −kg box having an initial speed of 4.5 m/s slides along a rough table and comes to rest.
A 7.6 −kg−kg box having an initial speed of 4.5 m/sm/s slides along a rough table and comes to rest. Estimate the total change in entropy of the universe. Assume all objects are at room... more
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12/04/21

Velocity physics question
A ball is thrown up in the air and then caught at the same height. The acceleration is 9.8 m/s² [down]:a) on the way upb) on the way downc) at the peak of its trajectoryd) two of a, b and c are... more
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12/02/21

Calc AB Questions
If h(x) is a twice differentiable function such that h(x) < 0 for all values of x, then at what value(s) does the graph of g(x) have a relative maximum if g'(x) = h(x) × (9-x2)? A. x = 3 and x =... more
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12/02/21

Fish population model calc problem
The fish population is represented by dN/dt= r*ln(N)(K-p^2)p= number of predatorr= intrinsic growth rate of the fish populationK= carrying capacity of the population Show that the rate of change in... more
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12/01/21

Find the following integration

Integral of x^2√x+4 dx
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11/30/21

consider the function h(x), for which h(3)=13 and h'(x)=7. find f'(3) for the function f(x)=h(x)/x.
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11/30/21

How would I prove this predicate calculus theroem?
[ (P → Q) → ((P → R) ← (Q → R)) ]
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11/28/21

What is the initial acceleration of the block, a0a0, when the block is released at a distance AA to the right from its equilibrium position?
Consider the system shown in the figure.(Figure 1) It consists of a block of mass mm attached to a spring of negligible mass and force constant kk. The block is free to move on a frictionless... more
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11/26/21

Basic Physics (Work, Power and Energy - Law of Conservation)
Good day to everyone, I would like to request a help from this one. Please do provide a detailed step-by-step, explanation and a clear final answer. A passenger in the airport pushes a 53-kg... more
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11/22/21

Please help with coding problem
Hello,I have a question about a java code. I have to write a program where i'll enter a String value as a variable “word”: “blahblahblah” then create a method that is called “showPairs(String... more
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11/21/21

The Angle of Deviation. When a light ray hits a raindrop, the light undergoes a sequence of reflections inside the water droplet. The total rotation that the light ray undergoes is given by

The input x measures the angle (in radians) that the light ray forms with the surface of the spherical raindrop so the domain of D is The output, D(X), is also an angle in radians. The constant is... more
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11/20/21

Please help, I can't seem to figure out the answer to this homework question
This is the question: In a last-ditch attempt to increase their budget, science teachers at CDDHS cast small solid bronze busts of their principal for sale to students as doorstops, paperweights,... more
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11/19/21

Find constants from given particular solution of a DE
Give DE: x2y'' + bxy' + cy=0, find b and c such that 5x7ln(x) is a particular solutionb) Given x2y'' + bxy' + cy= 6x11 for the values of b and c from part a), find a particular solution
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11/18/21

a small mass of 0.2kg is whirled round a horizontal circle at the end of the string of 0.5m at a constant angular speed of 4 radian per second,the tension in the string is?
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11/17/21

A merry-go-round at a park is subject to a constant torque with a magnitude of 605 N · m as a parent pushes the ride.
(a) How much work is performed by the torque as the merry-go-round rotates through 2.40 revolutions? = ? J(b) If it takes the merry-go-round 4.00 s to go through the 2.40 revolutions, what is the... more
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11/16/21

Help needed with code
I am struggling with a Java coding problem. How can I write an application that allows a user to enter any number of student quiz scores, as integers, until the user enters 99. If the score entered... more
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11/15/21

Modifying an instance of a struct in C
I am programming in C. I have a structure as defined below:struct toExecute{const char **argv;};In my main command, I declare an instance of this structure as shown:int main (){const char *wc[] = {... more
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11/14/21

Parallel And Distributed Computing
Give examples to real world applications to differentiate SIMD with MIMD.
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11/14/21

Find the volume of the “ice cream cone” bounded by the sphere x^2 + y^2 + z^2 = 16 and the cone z = √3(x^2 + y^2).
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11/14/21

Physics Momentum
A 3500-kilogram vehicle moving easy at 50 km/h collides head-on with a 6000-kilogram vehicle moving west at 40 km/h. The two vehicles lock together. Which way will the wreckage move, and what is... more
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11/13/21

What is the probability that green is rolled exactly 7 times?
On a dice, one side is red, three sides are green and two sides are blue. The dice is also rolled 20 times.
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11/13/21

A stone is thrown straight up from the edge of a roof, 650 feet above the ground, at a speed of 12 feet per second.
A stone is thrown straight up from the edge of a roof, 650 feet above the ground, at a speed of 12 feet per second.A. Remembering that the acceleration due to gravity is -32 feet per second... more
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11/12/21

Divide and simplify to lowest terms.

2z2 - 9z - 5 over z2 + 2z - 8 divided by z - 5 over z - 2 (Type your answer in factored form)The answer I got is 2z + 1 over z +4Would that be correct?
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