11/30/21

Area Estimates. Find the following area estimates under the graph of the function  y= 1/x. Give your answers as (exact) rational numbers.
 Area Estimates. Find the following area estimates under the graph of the function  Give your answers as (exact) rational numbers.a The midpoint estimate, over the interval b) The midpoint... more
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11/30/21

A homeowner wants to design a garage window with an area of 6 sq feet. He has to put two boards on top of the window, 1 on each side and 1 on the bottom. What size window would use the least wood ?
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11/29/21

Construct a sinusoidal function with the provided information, and then solve the equation for the requested values.

A Ferris wheel is 20 meters in diameter and boarded from a platform that is 2 meters above the ground. The six o'clock position on the Ferris wheel is level with the loading platform. The wheel... more
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11/28/21

Find the area of the shaded region
The equations are f(X)=x^3+2x-3x and g(X)=0
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11/28/21

Integral Help! Calculus
The velocity function is v(t)=t^2-5t+4 for a particle moving along a line. Find the displacement and the distance traveled by the particle during the time interval [-3,5].
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11/28/21

Derivatives and Antiderivatives. Calculate the first and second derivatives of
Simplify your answers, then use your results to solve the IVP:
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11/27/21

The potential energy of the body is given by: U(x) = 3cosh(x). Find the corresponding force F(x) as a function of the coordinate x. Draw its plot
The potential energy of the body is given by: U(x) = 3cosh(x). Find the corresponding force F(x) as a function of the coordinate x. Draw its plot
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11/27/21

Density Solution

You are asked to prepare a binary mixture of distilled water (dH2O) and lithium metatungstate (LMT) such that the final density of the binary mixture is 2.427 g/cm3. The specific gravity of LMT is... more
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11/27/21

an airplane traveling at 400 mph at a cruising altitude of 7.2 begins its descent. if the angle of descent is 1 degree from the horizontal
an airplane traveling at 400 mph at a cruising altitude of 7.2 begins its descent. if the angle of descent is 1 degree from the horizontal, determine the new altitude after 15 min . round to the... more
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11/27/21

What is the probability that the number of crates having small to medium-sized eggs ranges from 65 to 70?
Vasu places large-sized eggs in crates that each hold 12 eggs. It is known from previous experience that 20% of all such crates contain eggs that are small to medium-sized (instead of large). A... more
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11/27/21

Separable Differential Equations
A thermometer is taken from a room where the temperature is 23 degrees C to the outdoors, where the temperature is −11 degrees C. After one minute the thermometer reads 14 degrees C. (a) What will... more
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11/26/21

Help me answer this question, Please. Thank you!
It is known that A is directly proportional to x and inversely to y2. If x and y are both increased by 50%, what is the ratio of the new value to the old value of A?
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11/25/21

Need help related to MATLAB PLEASE ASAP
Evaluate the integral of the following tabular data using function quad in MATLABx 0 0.1 0.2 0.3 0.4 0.5f(x) 1 8 4 3.5 5 1
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11/24/21

Calculus Help
Determine the slope of the tangent line at (0,0) if 32e^x+10e^y=80x−2y.m =
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11/23/21

A cylinder shaped can needs to be constructed to hold 450 cubic centimeters of soup. The material for the sides of the can costs 0.04 cents per square centimeter.

A cylinder shaped can needs to be constructed to hold 450 cubic centimeters of soup. The material for the sides of the can costs 0.04 cents per square centimeter. The material for the top and... more
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11/23/21

If the tension along the string of a simple pendulum at the lowest position is 1% higher than the weight of the bob, show that the angular amplitude of the period is 0.1rad
The topic is simple pendulum
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11/23/21

Chem Question Help
Determine the ΔH of the reaction given the following average bond energies (kJ/mol): C–O 358 C=O 799 C≡O 1072 C–H 413 H–H 436 O–H 463 Select one:a.+735 kJb.+276 kJc.–276 kJd.–116 kJ
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11/21/21

Simplify each of the radical expressions...
Simplify each of the radical expressions. Assume that all variables represent positive real numbers.√147/100
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11/21/21

Is it possible, after increasing semiconductors‘ temperature, to make their conductivity be equal to the conductivity that of metals
Is it possible, after increasing semiconductors‘ temperature, to make their conductivity be equal to the conductivity that of metals. Why?
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11/21/21

Equation making question
This is the question:An experiment produced the set of values shown below for separation (d) and energy (E). A graph was drawn of E as a function of d. Determine an equation relating E and d.... more
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11/19/21

A woman burns 250−50t cal/hr while walking on her treadmill. Her caloric intake from drinking Gatorade is 85t calories during the t'th hour. Find the net decrease in calories after walking for 4 hours
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11/19/21

Find an equation of the line tangent to the curve at the given point: y=tan(4x^2) ; (√ 𝜋 16 ⁄ , 1)
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11/18/21

[Calculus] The power to propel an airplane (or even a bird) forward at a velocity, v, (hence the velocity is positive)
I don't understand what I am supposed to do about this problem. If I could get some help that would be greatly appreciated.It’s a plane; no, it’s a bird; no, it’s Superman! Actually, it’s just a... more
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11/18/21

A particular metal alloy A has 20% iron...
A particular metal alloy A has 20% iron and another alloy B contains 60% iron. How many kilograms of each alloy should be combined to create 80 kg of a 52% iron alloy?
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11/18/21

Mac measured the density of silver three times and obtained the following results:
Trial 1: 10.6 g/cm3Trial 2: 10.8 g/cm3;Trial 3: 9.6 g/cm3Silver has a density of 10.5 g/cm3A. Calculate Mac's percent error for each trial.B. Which trial had the greatest percent error.
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