11/11/24

a roller coaster rider is travelling in a straight line changes from a speed of 4 m/s to 16 m/s in 3 s. Calculate the acceleration of the ride
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11/11/24

Setting up integrals for the area.

Let R be the area in the first quadrant to the right of x = 1, above y = 2x^2, and below y = 6 + x.A) Set up an integral that would find the volume of the region R rotated about the x-axis.B) Set... more
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11/11/24

Triangle XYZ has vertices X(1, 1) , Y(3, 4) and Z(4, 3) . Complete the vertices of the image of XYZ after a rotation of 270° clockwise about X.
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11/11/24

Study Guides for Tutor Subject Quizzes
Do you have any study guides for taking the subject quizzes on reading, Spelling, and Handwriting? If not are there any resources that you recommend?Marisol
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11/11/24

How do I calculate luminosity?
If given the distance and the apparent magnitude of a star, I can calculate the absolute magnitude. Is it possible to convert this absolute magnitude into a luminosity? If so, how?
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11/11/24

IGCSE Business Studies Exam Style Questions (Cash flow forecasting and working capital)
Bruno manages a hotel. Most of the hotel bedrooms are occupied during the main tourist season, which lasts for seven months. The hotel's main cash outflows are the same each month but food costs... more
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11/11/24

A baby food manufacturer finds that its revenue for selling x units (in thousands) is R(x) = - x3+63x2+12000x
A baby food manufacturer finds that its revenue for selling x units (in thousands) isR(x) = - x3+63x2+12000xWhat production level maximizes revenue?
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11/11/24

A 1125 cubic feet open-top rectangular tank, with a square base x feet on a side and y feet deep, is being built to catch runoff water.
A 1125 cubic feet open-top rectangular tank, with a square base x feet on a side and y feet deep, is being built to catch runoff water. A realistic cost function might beC(x) = 6(x2+4xy)+10xyWhat... more
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11/11/24

A manufacturer of lightweight, durable containers is contracted to make cylindrical containers to hold liquid. They find that the manufacturing cost depends on the radius of the cylinder they make
A manufacturer of lightweight, durable containers is contracted to make cylindrical containers to hold liquid. They find that the manufacturing cost depends on the radius of the cylinder they... more
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11/11/24

Power over Ethernet systems pass electrical power and data safely on Ethernet cabling.

Power over Ethernet systems pass electrical power and data safely on Ethernet cabling. The function C(x) = (135+x2)/175xrelates the weekly cost (in thousands of dollars) to a company, to the... more
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11/11/24

A company uses the model R(x) = (600x2-x3)/20000
A company uses the modelR(x) = (600x2-x3)/20000To relate its revenue R (in thousands of dollars) to the amount of money x (in thousands of dollars) it spends on advertising. Find the point of... more
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11/11/24

Read the following sentence and choose the correct version of the capitalized part: Despite his enthusiasm, the project was completed late, WHICH caused him stress.
This is a practice ACT English Question. A) No changeB) thatC) whoD) it
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11/11/24

determine the two tangent line points (x1,y1) and (x2,y2) on circle (x-h)^2+(y-k)^2=r^2 drawn from point (m,n)
determine the two tangent line points (x1,y1) and (x2,y2) on circle (x-h)2+(y-k)2=r2 drawn from point (m,n), where (m,n) is outside circle, that is,... more
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11/11/24

Physics word problem
Indirect Cooling With Liquid Nitrogen. You are designing a system to cool an insulated silver plate of dimensions 2.00 cm × 2.00 cm x0.45 cm. One end of a thermally insulated copper wire (diameter... more
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11/10/24

Prove the two tangent line points (x1,y1) and (x2,y2) on circle (x-h)^2+(y-k)^2=r^2 drawn from point (m,n) satisfy equations r^2=(x1-h)(m-h)+(y1-k)(n-k) and r^2=(x2-h)(m-h)+(y2-k)(n-k)
any circle (x-h)2+(y-k)2=r2a point outside the circle (m,n),,,,that is (m-h)2+(n-k)2>r2has two lines through point tangent to the circle, on the circle,at points (x1 ,y1) and (x2,y2)show that... more
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11/10/24

You grow 3 centimeters in 2 months. Represent the ratio relationship using a graph. At this rate, how much do you grow in 5 months?
You grow 3 cm in 2 months. Represent the ratio relationship by using a graph. At this rate, how much do you grow in five months?
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11/10/24

Are you a student that struggles with feeling confident in the classroom?
My expertise is in reading and writing, but I find it extremely important to help students build their confidence in their own abilities. Yes, something can be particularly challenging for a... more
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11/10/24

Continuity and Differentiability from a Real Analysis Standpoint
Let fa(x) = {xa if x > 0 {0 if x <= 0a) For which values of a is f continuous at 0?b) For which values of a is f differentiable at 0? Is the derivative function continuous? c)... more
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11/10/24

please help. I have been stuck for hours. None of my answers are showing correct
In the year 1985, a house was valued at $108,000$108,000. By the year 2005, the value had appreciated to $149,000$149,000. What was the annual growth rate between 1985 and 2005? Assume that the... more
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11/10/24

How do you balance chemical equations?
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11/09/24

Look for a Jill-of-all-trades? Seek no further, trust me!
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11/09/24

Need help understanding words I can help
I’m available if you want spend an hour with me or just a couple of minutes to get help on an assignments to understand words better
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11/09/24

The Moles and The Avogadro Constant
Another large-scale industrial process is the production of quicklime (calcium oxide, CaO) from limestone by heating in a lime kiln. a. What is the equation for the thermal decomposition of... more
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11/09/24

IGCSE Math Question
Find the volume of a cylinder of radius 5cm and height 8cm. Give the units of your answer. A ball falls d metres in t seconds. d is directly proportional to the square of t. The ball falls 44.1m... more
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11/09/24

IGCSE Math question test
A train, 1750 metres long, is travelling at 55km/h. Calculate how long it will take for the whole train to completely cross a bridge that is 480 metres long. Give your answer in seconds, correct... more
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