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Will
Questions and answers by
Will
, page 2
Questions (404)
Could someone please tell me if I did this question correctly?
An incomplete combustion reaction of 12.125 grams of propane
3 answers
496 views
Calculate he average over the given interval: f(x)=e^(-n*x), [-1,1].
I know that the average value = (1/b-a)integrate from a to b
6 answers
335 views
Hi, The question is, using Henry's law constant calculate the amount of Hydrogen Sulphide gas which could dissolve in 500ml of
2 answers
593 views
When a 0.045 kg golf ball takes off after being hit, its speed is 35 m/s.
A)How much work is done on the ball by the club?
3 answers
1,444 views
Aki’s Bicycle Designs has determined that when x hundred bicycles are built, the average cost per bicycle is given by , where
3 answers
737 views
Can you tell me what words are the infintive phrase and is it a noun, adj or adv? Is it To learn and it's a noun?
To learn to
3 answers
459 views
How do I find 2 tan squared time x = sec times x -1
1 answer
710 views
How do I calcualte these conversions?
8.4cm = m 1333.8g=kg 119cm=mm 2391mL=L 3.22Mm=km 4.68fs=ps 8.86*10^11=Gm
2 answers
963 views
What is the pattern for 3, 19, 99, 499, 2499
5 answers
997 views
Andy (mass 80 kg) uses a 3.0 m long rope to pull Bob (mass 60kg) across the floor (uk= .2) at a constant speed of 1.0 m/s. Bob
2 answers
849 views
Block B in the figure below weighs 713 N. The coefficient of static friction between block and table is 0.20. Assume that the
6 answers
745 views
The figure below shows an initially stationary block of mass m on a floor. A force of magnitude F = 0.570·mg is then applied at
3 answers
900 views
When the three blocks in the figure below are released from rest, they accelerate with a magnitude of 0.370 m/s2. Block 1 has
1 answer
1,125 views
The machine earns the company revenue at a continuous rate of 62000 t + 38000 dollars per year during the first six months of
1 answer
610 views
What is a way to put alloy and concentration into a sentence that helps to explain solutions?
3 answers
558 views
What is a way to put alloy and concentration into a sentence that helps to explain solutions?
2 answers
524 views
Triangle ABC, AB=8, BC=10, and AC=12, M is the midpoint of AB, and N is the midpoint of BC. What is the length of MN?
4 answers
3,305 views
In the system shown in the figure , block A has mass m_A = 2.08 kg, block B has mass m_B = 0.370 kg, and the rope connecting
2 answers
858 views
Aluminum metal is used in many products. It quickly reacts with oxygen in the reaction 4Al (s) + 3O2 (g)--> 2Al2O3 (s). Which
2 answers
552 views
Write a complete C# program that displays a menu comprising of the followings:
Main Menu 1) Calculate Fuel Consumption 2)
2 answers
661 views
Write a complete C# program that displays a menu comprising of the followings:
Main Menu 1) Calculate Fuel Consumption 2)
1 answer
583 views
How do you figure out hydrate formulas?
1 answer
283 views
Use Gauss-Jordan to solve
3x + 2y = -4 4x – 2y = -10
1 answer
438 views
Functional groups
1. are the repeating unit of polymers. 2. are groups of atoms whose chemical prop- erties are pretty much
5 answers
446 views
What factors affect the equilibrium constant for the reaction N2O4(g) + heat NO2(g)?
1 answer
651 views
What happens to the rate of the reaction when the concentrations of the reactants and products are changed in this equilibrium:
1 answer
630 views
A uniform disk of mass 2kg and radius 10.0cm is spinning on a fixed frictionless bearing at 3 revolutions/second. A think
1 answer
500 views
Starting with a 2.0 M NaOH solution, determine how you would prepare 1 L of a 0.1 M NaOH solution.
3 answers
719 views
Tickets to a game are $5 for adults and $2 for children. Six hundred tickets are sold for a total of $2160. How many adult
3 answers
768 views
PLease help 5 + 4 x 3 - 1 = 18
use grouping symbols to make each equation true.
7 answers
585 views
julia needs to purchase a ladder that just reaches the top of a 16 foot building. if the bottom of the ladder will be placed 12
3 answers
477 views
The perimeter of a triangle is 50.
What steps do I need to take to find the length of the sides?
1 answer
306 views
Suppose the government has imposed a price floor on the market for soybeans. Which of the following events could transform the
1 answer
1,083 views
The price received by sellers in a market will decrease if the government
Answer A. imposes a binding price floor in that market.
3 answers
3,070 views
Which of the following would not interfere with market equilibria?
A. a minimum wage B. a rent control C. a non-binding price
2 answers
658 views
Sandra purchases 5 pounds of coffee and 10 gallons of milk per month when the price of coffee is $10 per pound. She purchases 6
4 answers
2,718 views
Supply is Demand is
Scenario A elastic elastic Scenario B elastic inelastic Scenario C inelastic elastic Scenario D inelastic
1 answer
757 views
A 1000 kg car is moving at a constant speed of 7 m/s when it hits the back bumper of another car with 1200 kg of mass moving in
4 answers
597 views
The tires on a car have radius 14 inches. Find the angular speed of the car tire in
revolutions per second when it is traveling
3 answers
1,919 views
How many cans ( each containing 14.0 oz of propane) would be required to convert 41.7 lbs of ice at -15.0 C to water at 100 C (
1 answer
281 views
Waves on a particular string travel with a speed of 17 m/s. By what factor should the tension in this string be changed to
2 answers
990 views
Calculate the volume of .300 M NaOH needed to prepare a pH=3.50 buffer with 250ml of .075M HF solution. pKa (HF) = 3.15
2 answers
549 views
Jack Shellenkamp owns and manages a computer repair service, which had the following trial balance on December 31, 2011 (the end
3 answers
2,052 views
Assistant dean Shirin Ahmadi recommended offering more language courses.
We went to the mark taper forum to see a production of
3 answers
641 views
A pulsar is a rapidly rotating neutron star that continuously emits a beam of radio waves in a searchlight manner. Each time the
4 answers
2,042 views
A CD has a mass of 17.4 g and a radius of 6.01 cm. When inserted into a player, the CD starts from rest and accelerates to an
1 answer
414 views
A CD has a mass of 17.4 g and a radius of 6.01 cm. When inserted into a player, the CD starts from rest and accelerates to an
2 answers
1,175 views
29 * 6^(-3x) = 13
Thanks!
1 answer
227 views
A person exerts a horizontal force of F = 174 N in the test apparatus shown in the drawing. (h = 0.33 m.) Find the horizontal
1 answer
834 views
A buyer is paying a reduced $500 in closing costs on a home with a sale price of $95,000 in the state of Bath, Maine. If the
1 answer
394 views
can someone explain this statement please
int a=(int *)new int[4][3];
1 answer
335 views
What is the verb in "where are my shoes"
1 answer
343 views
How much must you deposit in an account
that pays 6% semi-annual interest, compounded annually, to have a balance of $9000 in 15
1 answer
444 views
How much must you deposit in an account
that pays 6% semi-annual interest, compounded annually, to have a balance of $9000 in 15
5 answers
400 views
I'm supposed to find the limit as x approaches infinity of (2-x-sinx)/(x+cosx). I've thought about using the squeeze theorem,
3 answers
424 views
A 14.0 g sample of Krypton has a temperature of 25C at 625mm Hg. What is the volume, in Milliliters, of the krypton?
2 answers
541 views
Using the molar volume (STP) or the ideal gas law equation, determine the molar mass,g/mole, of each of the following.
A: 11.2g
2 answers
752 views
Find the finance charge per $100 on a loan of $12,600 with a finance charge of $1,638.
2 answers
630 views
Finance charge of $2.50 per $100 for 3 payments.
2 answers
757 views
You borrow $2,600 and repay the loan in 12 monthly installments of $232.
What was the finance charge per $100 of the amount
2 answers
987 views
what is the equation for the perpendicular bisector of the line segment whose endpoints are (-7,2) (-1,-6)
4 answers
1,343 views
what is the equation for the perpendicular bisector of the line segment whose endpoints are (-7,2) (-1,-6)
4 answers
2,743 views
what is the equation for the perpendicular bisector of the line segment whose endpoints are (-7,2) (-1,-6)
4 answers
1,622 views
Jean surveyed 25% of all eighth graders and 75% of all 7th graders. John surveyed 50% of all eighth graders and 50% of all 7th
1 answer
494 views
A balloon at a pressure of 755 torr and a volume of 5.00 L was allowed to rise in the atmosphere to a point at which the
4 answers
1,154 views
A cyclopropane-oxygen mixture is used as an anesthetic. If the partial pressure of cyclopropane in the mixture is 334 mmHg and
2 answers
686 views
Compute the square footage of carpet needed to cover a room 12' 3" x 18' 4".
4 answers
1,485 views
Picture given with problem: media.glynlyon(dot)com/g_geo_2012/12/img_geou12abc_8.gif
If AC = 20, AE = 25, and AB = 5, what is the
1 answer
360 views
A line has a slope of 2 and contains the points (1, 3) and (2, y). The value of y is what?
Please explain in detail
2 answers
465 views
what is arccot 3.107 equals to in rad?
1 answer
344 views
Andrew got 68 for both English and Maths. The mean for english was 52 and the mean for Maths was 55. The standard deviations
1 answer
406 views
The product of the first five terms of a geometric progression is 32. If the fourth term is 17, compute the second term.
3 answers
1,368 views
The product of the first five terms of a geometric progression is 32. If the fourth term is 17, compute the second term.
2 answers
688 views
A physics teacher (mass = 84.5 kg) is jogging through the woods and runs straight into a large oak tree at 3.5 m/s. Rebound
1 answer
640 views
What will $30,000 earn after 6 yrs at 2.25%?
1 answer
292 views
Maryann rolls a 6-sided dice six times. How many ways can she roll the dice so that the sum of her numbers is 10?
3 answers
467 views
A researcher surveyed college students to study their opinion about the proposed change in smoking rules. The researcher asked a
2 answers
575 views
Find the area bounded by {y=x2−4
y=4−x2 • sketch the region described • determine any intersection point(s) for the
2 answers
673 views
1. A firm pays $1.75 for each copy of a magazine and sells each one for $2.50. There is a fixed monthly cost of $40 for printing
3 answers
446 views
7. Paula is an office manager for ABC Advertising. She has been tasked with finding a copy machine that falls within a budget of
2 answers
585 views
Nina walked 15 yards to Paul's house. They then went hiking. Which rule shows how many yards Nina walks for every yard Paul
1 answer
391 views
A compound of chlorine and fluorine, ClFn, reacts at about 75oC with uranium metal to produce uranium hexafluoride, UF6 and
3 answers
1,813 views
a) Calculate the number of moles of nitrogen dioxide, NO2, that could be prepared from 79.0 mol of nitrogen oxide and 82.0 mol
4 answers
1,768 views
Calculate the wavelength (in m) of a photon capable of exciting an electron in Li2+ from the state n= 3 to the state n=5
1 answer
439 views
Determine the potential (V) by which a proton must be accelerated so as to assume a particle wavelength of 0.0293 nm.
---- This
7 answers
724 views
glycine and lysine, have the following values of the relevant acid dissociation constants (pKa)
glycine, pKa=2.35
7 answers
1,231 views
A rifle with a muzzle velocity of 480 m/s shoots a bullet at a target 45.6 m away. How high above the target must the rifle
2 answers
823 views
Order for 620 dresses from China, cost is $40 a gown, markup based on selling is 76%, what is the selling price of each gown?
4 answers
743 views
A puck of mass 0.165 kg, initially resting on ice, is hit by a stick to gain a speed of 32.0 m/s and then slides 25.0 m to lose
2 answers
718 views
If a solution contains 0.65mol of OH−, how many moles of H+ would be required to reach the equivalence point in a titration?
2 answers
899 views
Find a if the point (3,a) is on the line that passes through (-2,7) and (5,-3).
1 answer
376 views
Jill, Meg and Beth are sisters. Jill is 2 years younger than Meg. Beth is half as old as Meg. Let m represent Meg'a age. Write 2
2 answers
697 views
The town of Rayburn received 6 more inches of snow than the town of Greenville. Let g represent the amount of snow in
5 answers
798 views
A boat is going 30 mph with a direction of 100 degrees east of north. The water current is 15 mph with a direction of 22 mph.
2 answers
624 views
A boat is going 30 mph. It's direction is 100 degrees east of north. The water current is 15 mph and has a direction of 22
1 answer
440 views
Lisa evaluated the expressions 2x and x squared for x=2 and found that both expressions were equal to 4. Lisa concluded that 2x
2 answers
877 views
Use algebra tiles to determine if 2(x +3) is equivalent to 2x +3. Explain your answer thanks
3 answers
707 views
Suppose you have a cache of radium, which has a half-life of approximately 1590 years. How long would you have to wait for 1/5
4 answers
2,914 views
A rectangle has an area of 400 cm^2. If the rectangle is a square, what is its perimeter?
3 answers
782 views
The function
f(x) = cx/2x+3 satisfies f(f(x))=x for all real numbers x\= -3/2. Find c.
3 answers
1,417 views
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