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David
Questions (1,325)
The consecutive interarrival times of a certain arrival process are i.i.d. random variables that are equally likely to be 5, 10,
1 answer
861 views
Consider an arrival process whose interarrival times are independent exponential random variables with mean 2 (and consequently
1 answer
4,481 views
The total volume of the Rogers Center is 1.6 x 10^6 m cubed. If the volume of 100 peas is about 55 cm cubed, how many Rogers
3 answers
822 views
Cora's Bike Shop charges $16 per hour to rent a bicycle and a helmet. Dave's Bike Shop charges $11 per hour for the bike and a
3 answers
1,374 views
Marisa is decorating a rectangular prism with a height of 2 ft, width of 1 ft, and length of 3 ft. Each tile costs $0.79. How
2 answers
470 views
A cone is 3 inches high and has a base with a surface area of 7 square inches. What is the volume of the cone?
I thought the
1 answer
714 views
The equation y = 12x describes the amount of money Louis earns, where x is the number of hours he works and y is the amount of
2 answers
1,483 views
if the gym charges a registration fee of $60.00 and a membership fee of $20.00 per month. and the manager waived the
2 answers
756 views
Tom decided to join Platinum Gym because of its new equipment. At the grand opening, the manager announced that 124 people had
0 answers
700 views
Which of the following results of the French and Indian War was a cause of the American Revolutionary War?
Native Americans lost
1 answer
883 views
Which statement describes the relationship between the Russian Orthodox Church and Russian rulers?
1 answer
1,312 views
Show that the function F(x) = integral[x to 3x](1/t)dt is constant on the interval (0, +∞).
1 answer
1,061 views
What is the mass of radon if its density is 9.73 g/l at stp
1 answer
881 views
Find
dy/dt at x = 1 and y = x2 + 3 if dx/dt = 4 I'm not sure how to set up this type of equation. Do you use the pythagorem
1 answer
4,855 views
3. If the banks returned all the money plus interest accumulated from 1938 to 1998 it could be calculated using A=A0 (1.05)^t
1 answer
557 views
2. Growth function P=100 (645)^t/21 where P represents the cane toad population and t represents the time measured in months
0 answers
551 views
1. You gathered data and realized that the temperature drop followed the function T=85 (0.3)^t/2 where T is the temperature in
0 answers
579 views
Sales of a video game released in the year 2000 took off at first, but then steadily slowed as time moved on. The table below
0 answers
917 views
Due to advances in medicine and higher standards of living, life expectancy has been increasing in most developed countries
1 answer
876 views
experiment to demonstrate that expired air contains carbondioxide
1 answer
431 views
Most versions of Pascal allow variable names to consist of eight letters or digits with the requirement that the first character
4 answers
1,198 views
I need someone to show me or help with the steps of this problem:
Bert received a commission of $247.50. If he works for 15%
1 answer
524 views
Prove (A1 + A2 +...+ An)^T = A1^T + A2^T +...+ An^T using Mathimatical Induction.
3 answers
824 views
Explain how to find the reference angle of 1406 degrees. Find the reference angle.
The reference angle is 34 but how do you get
1 answer
5,107 views
How many radians are in a full rotation around a circle or 360 degrees.
Help plz!
2 answers
1,881 views
Community prosecution stresses the need for the prosecutor to reach out to the community, but what does “community” mean? Is
1 answer
808 views
After the middle of the 18th century, what options did Indians still have in responding to the encroachment of settlers? How had
1 answer
627 views
Two number cubes are rolled- one blue and one yellow. Find the probability that the blue cube is less than 3 and the product is
1 answer
2,766 views
A baker is decorating the top of around cake with cherries. The diameter of the cake is 9.5 inches. Each cherry is 0.75 inches
3 answers
2,135 views
on tuesday evening randy spent 18 more minutes working on his math homework than he spent working on his philosophy readings. If
1 answer
859 views
A circular dog bed has a circumference of about 72 inches. What is the diameter in inches of the dog bed to the nearest inch?
1 answer
588 views
Wallace has a $500 budget for a pizza party. Pizza pies cost $12 each. He will also purchase drinks for $30, paper plates for
2 answers
1,391 views
find a vector that makes the same angle with respect to the y-axis that vector i + 3k makes with respect to the x-axis
1 answer
518 views
A man holds a child on his shoulder while watching a football match.how much work is done if the game lasts for 2hours
13 answers
4,026 views
The hydrolysis of ethyl acetate (CH3COOC2H5) by sodium hydroxide yields ethanol (C2H5OH) and sodium acetate (NaO2CCH3) by the
1 answer
1,662 views
A student spent 2 /9 of his pocket money on beverage and 1 /4 on books. What? fraction
10 answers
3,221 views
If one 5 mL dose of Milk of Magnesia contains 400 mg of magnesium
hydroxide, calculate the concentration of magnesium hydroxide
1 answer
644 views
Write the equation of the line that has the following:
Contains point (5,3) and is parallel to y = 6x – 5
1 answer
521 views
Write the equation of the line that has the following
Contains point (3,6) and is perpendicular to y = 2x + 4
1 answer
448 views
Bob has a helicopter and from the launch pad he flies the following path. First he travels from the launch pad a distance of 52
1 answer
656 views
What are the “Rentier States” and why do the oil-producing countries in the Middle East qualify as rentier states?
1 answer
539 views
The height in metres of the water in a harbour is given approximately by the formula d=6+3cos30t, where t is the time in hours
3 answers
1,636 views
what are the electrolytes in ORS?
1 answer
408 views
a car has wheel of radius 0.3m and is traveling at a speed of 36m\s. calculate the angular speed of the wheel
2 answers
532 views
diagram all possible pathways for deexciting from n=4 to n=1
2 answers
524 views
The ages of a woman and her daughter add to 45, five years ago, the woman is six times her daughters age. How old was the woman
1 answer
775 views
What is the percent yield of a reaction that converts 5,0 kg of toluene to 6,02 kg of benzoic acid?
2C6H5CH3 + 3O2 --> 2C6H5CO2H
1 answer
377 views
A tub is filled in 20mins but there is a leakage in it which can empty the full tub in 1hr in how many minutes can it be
1 answer
572 views
If my ladder is 6m long and its foot is 1.5m from a vertical wall how far can the ladder reach up the wall?
1 answer
439 views
need help on history question
The Gulf of Tonkin incident opened the door to A) Kennedy's assassination B) the Rolling Thunder
1 answer
582 views
. Mountain climbers often brew tea by melting snow, which they heats over a stove. Our stove
burns butane (C4H10), which has a
1 answer
897 views
A 3.04 g piece of aluminum at 60.0 °C is placed into a “styrofoam cup” calorimeter filled with
150.0 mL of water at 25.0
2 answers
701 views
I was in a camp when i came back from the camp someone said "good exposure though what shoul i say ??
1 answer
493 views
Consider the function L = 4h where L equals the number of legs on h horses. What would be the domain and range of the function?
1 answer
454 views
Talor is building a birdhouse for his backyard. He needs a piece fo wood that is 8 inches long and 6 inches wide. What is the
2 answers
689 views
Byron’s house has a roof with dimensions shown. (Roof: 1m Height, 7m Hypotenuses, 12m length)
He knows that the average
1 answer
878 views
What is one of the outputs or products of respiration?
It has to be a four letter word with the second letter being e because it
1 answer
531 views
1. For each of the following underlined statements identify any vagueness, semantic ambiguity or syntactic ambiguity in the
2 answers
897 views
theoretically if you roll a number cube 36 times, how many times would you expect to roll the number one? could you also give me
7 answers
8,671 views
In the analysis of a sample of drinking water, a rate of 25.00 mL of the water requires 16.04 mL of AgNO3 to 0.05647 M in order
1 answer
555 views
You have decided to get a job to pay for a car to drive.
You estimate it will cost you $300 per month to buy and maintain the
1 answer
708 views
You have decided to get a job to pay for a car to drive.
You estimate it will cost you $300 per month to buy and maintain the
1 answer
614 views
You have decided to get a job to pay for a car to drive.
You estimate it will cost you $300 per month to buy and maintain the
1 answer
648 views
1. In paper chromatography, is the substance being tested the solute or solvent? Explain your answer.
I think the substance
0 answers
894 views
The volume of 10 ml of H2SO4 solution was diluted
250 ml with distilled water. This resulting solution, 25 ml were neutralized by
1 answer
1,163 views
The region enclosed by the graph e^(x/2), y=1, and x=ln(3) is revolved around the x-axis. Find the volume of the solid
2 answers
710 views
Students are being surveyed about the weight of books and supplies they are carrying as they attend class.
a. Identify the
1 answer
716 views
Find the equation of the line that has the same slope as the line through points (0,4) and (-5,7). But goes through point (-6,4)
1 answer
446 views
In what acceleration will tear a rope if it raises vertically body mass of 500 kg? The rope bears maximal strength force 15 kN.
1 answer
417 views
Determine the weight of an astronaut with a weight of 100 kg, if the rocket which rises him moves with acceleration 9,8 m/s^2
0 answers
415 views
Suppose the roots of 2x^2 + 10x + 1 are a and B. Suppose another quadratic, x^2 + 1x + r, has roots y = a + 1/B and σ = B +
1 answer
451 views
A 200.0N steel box resting on a smooth surface is
pushed to the right by a force of 50N, if the coefficients of starting and
1 answer
508 views
Compute the following polynomial in standard form:
(1 + x + x^2 + . . . + x^16)(1 - x)
1 answer
390 views
28cm3 of a gas weighs 0.4g at STP.Calculate the molecular mass of the gas.
1 answer
740 views
1. You have been given a sample of unknown molarity. Calculate the molarity of a solution which has been prepared by dissolving
1 answer
1,873 views
You have been given a sample of unknown molarity. Calculate the molarity of a solution which has been prepared by dissolving
0 answers
1,306 views
1. You have been given a sample of unknown molarity. Calculate the molarity of a solution which has been prepared by dissolving
1 answer
3,356 views
You have been given a sample of unknown molarity. Calculate the molarity of a solution which has been prepared by dissolving
1 answer
822 views
As the number of units manufactured increases from 4000 to 6000 the total cost of production increases form $22000 to $30000.
1 answer
726 views
The pricing policy of a company follows the demand equation p=D(x). D(x) being the price per unit when x units are demanded.
1 answer
2,050 views
A certain vehicle can accelerate from rest to a speed of 25m/s in a time of 8s.What average power is needed to cause this
1 answer
493 views
A workshop table has an equilateral triangular top, each side of which is 900mm, the legs being at the three corners. A load of
1 answer
632 views
A 1.54 x 10-2-kg block is resting on a horizontal friction-less surface and is attached to a horizontal spring whose spring
2 answers
849 views
how many moles are released when 13.2 g of ammonium sulfate 2NH4SO4 is dissolved in water ? I know 13.2 g 2NH4SO4 = .099 moles
1 answer
958 views
How many kilograms of water can be evaporated at 100 degrees Celsius by the combustion of 470 litres of fuel oil whose heat of
0 answers
551 views
All of the following statement are true about factors EXCEPT:
Complexity, Miniaturization, and productivity are examples of
1 answer
604 views
What is The propositional phrase of this sentence.The ticket holders waited patiently (outside the movie theater).
1 answer
643 views
Find approximate solutions rounded to three decimal places for
f(x)=x^2-5x+3
1 answer
566 views
Find the first 4 terms of the recursively defined sequence.
a subscript 1 =9, a subscript 2 =9, a Subscript n+1=a Subscript
1 answer
699 views
Two identical gas cylinders each contain 20.0 kg of compresses air at 1.00 x 106 pa and 275 K. One of the cylinders if fitted
1 answer
607 views
Two identical gas cylinders each contain 20.0 kg of compresses air at 1.00 x 106 pa and 275 K. One of the cylinders if fitted
1 answer
581 views
The rate constant for the equation, 2C2F4 → C4F8, is 0.05 M^−1· s^−1. We start with 0.111 mol C2F4 in a 3.00-liter
0 answers
776 views
Ammonium nitrate a common fertilizer was used by terrorists in the trgic explosion in oklahoma city in 1995.how many litres of
1 answer
751 views
a source of hydrogen is an important issue of hydrogen fuel cells are going to become useful in automobiles. What important
0 answers
450 views
If 4.56 mol of zinc react with excess copper (ii) sulphate, how many moles of precipitate will be formed?
1 answer
600 views
What is 100,000,000,000,000 times 999,999,999,999?
2 answers
543 views
Principles of heat: How many kilograms of water can be evaporated at 100 degrees Celsius by the combustion of 470 litres of fuel
1 answer
773 views
There are some hats in a box.1/6 of them are red, 1/3 are blue, and 3/7 of the remainder are green. If there are 27 green hats,
2 answers
562 views
Kieth spends 1/6 of his savings on a magazine and 2/5 of the remainder on a book. What fraction of his savings is left?
3 answers
662 views
Tony is given 9/10 hour to mow a lawn. He only uses 2/3 of the given time to mow the lawn. How much time is left?
4 answers
1,881 views
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