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A tank contains 150 gallons of water and fills at a rate of 8 gallons per minute. A second tank contains 600 gallons of water
1. 2 answers
2. 845 views
A child releases a balloon from a height of 6ft and it ascends at a rate of 5ft per second. A second balloon starts at a height
1. 2 answers
2. 402 views
At the market, 0.2 of the pieces of fruit are peaches, 0.25 is apples, 0.05 is lemons, 0.1 is cherries, 0.2 is grapes, and 0.15
1. 2 answers
2. 744 views
One-quarter of Steve's baseball cards are from his dad's collection. Another 0.2 are from his uncle, and 0.5 are from his
1. 1 answer
2. 459 views
How could Jason solve for T in this equation?T - 8 = 40 A) add 8 to the left side B) add 8 to the left side and subtract 8 from
1. 2 answers
2. 588 views
What should Edna do to solve for m in the equation?65 = m + 29 A) add 29 to each side B) add 29 to the left side C) subtract 29
1. 0 answers
2. 523 views
In a class where there are as many girls as boys, 2/5 of the boys and 1/2 of the girls went to a local fair. What fraction of
1. 1 answer
2. 427 views
Alvin has some marbles in a box. He keeps 1/3 of them and gives the remainder to Joyce and Sean. Joyce gets 5/8 of the
1. 2 answers
2. 879 views
Find the sum of each series by using appropriate formulas. Show your work.MY WORK: (N is the last number in the sequence)
1. 2 answers
2. 645 views
a 12.5 m long string vibrates as 100 hertz standing wave with nodes at 1.0m and 1.5m from one end of the string and at no points
1. 0 answers
2. 621 views
Calculate the heat that must be supplied to 10.5 g of Ne(g) at 0.15 atm to raise its temperature from 24◦C to 54◦C at
1. 3 answers
2. 944 views
A typical bathtub can hold 94 gallons of water. Calculate the mass of natural gas that would need to be burned to heat the water
1. 4 answers
2. 1,004 views
Country A has a growth rate of 4.7% per year. The population is currently 5,646,000 and the land area of Country A is
1. 1 answer
2. 806 views
A rectangle, a circle and a triangle are drawn in a plane. What is the maximum number possible points of intersection. The sides
1. 9 answers
2. 3,053 views
Country A has a growth rate of 2.6% per year. The population is currently 4,069,000 and the land area of Country A is
1. 1 answer
2. 623 views
Find two algebraic expressions for the area of each figure. First, regard the figure as one large rectangle, and then regard the
1. 1 answer
2. 1,181 views
What is the equivalent ratio in simplest form of 45 books in 90 minutes if she organized 120 books.
1. 2 answers
2. 456 views
Consider the following chemical reaction. Molecular hydrogen and carbon dioxide react to form water and methane.H2+CO2-->H2O+CH4
1. 1 answer
2. 1,328 views
Life expectancy What two countries are not part of Africa?
1. 1 answer
2. 394 views
A planet is 2.45 x 10^9 km away. How long would it take in hours to travel to the planet at the speed of light? (speed of light
1. 1 answer
2. 397 views
Eduardo has a red 6-sided number cube and a blue 6-sided number cube. The faces of the cubes are numbered 1 through 6.Eduardo
1. 4 answers
2. 2,338 views
Calculate how many grams of the substance and how many grams of water is in a solution of 400g with a concentration of a 30%
1. 1 answer
2. 478 views
Calculate the mass of the precipitate formed when 2.27 L of 0.0820 M Ba(OH)2 are mixed with 3.06 L of 0.0664 M Na2SO4.
1. 3 answers
2. 2,965 views
How many mL of 0.1 N NaOH are required to react with 100 mEq of H2SO4?
1. 1 answer
2. 456 views
Write a chemical formula. . . Ca2+ and S2-
1. 4 answers
2. 10,087 views
Consider the following equation in chemical equilibriumC2H4(g) <--> C2H6(g) + 137 kJ What happens to the ethane (C2H6) when the
1. 1 answer
2. 1,013 views
Suppose 5.00 gram of a mixture of aspirin, caffeine, and acetanilide was dissolved in enough solvent (methylene chloride) to
1. 1 answer
2. 655 views
If the width and height of a rectangular prism are each shrunk to one seventh of the original size but the length remains the
1. 1 answer
2. 1,044 views
For the set of parametric equationsx = 2t+1 and y = t^2-5, name the initial point on the graph on the interval -5<t<5. a. (-9,
1. 1 answer
2. 583 views
What must be true about the solution to this system of equations?x+4y+9z = -96 -2y+9z = -47 z = -7 a) The solution will describe
1. 1 answer
2. 628 views
A rectangle has a width of 15 inches and a diagonal of 17 inches. Find the length of the rectangle in inches.15^2 + b^2 = 17^2
1. 0 answers
2. 1,270 views
A suitcase measures 22 inches long and 16 inches high. What is the diagonal length of the suitcase to the nearest foot.16^2 +
1. 1 answer
2. 539 views
A suitcase measures 22 inches long and 16 inches high. What is the diagonal length of the suitcase to the nearest foot.16^2 +
1. 1 answer
2. 2,444 views
A hat contains 3 marbles; one green, one blue, and one orange.Two marbles are selected at random without replacement
1. 0 answers
2. 828 views
At a homeowners' association meeting, a board member can vote yes or on a motion.There are three motions on which each
1. 0 answers
2. 868 views
Find the indicated probability.If P(A or B)equals=0.7 P(A)equals=0.3 and P(A and B)equals=0.15 find P(B).
1. 1 answer
2. 362 views
Why are boats more efficient than airplanes?They use less fossil fuels to move
1. 2 answers
2. 397 views
One thousand raffle tickets are sold for 1 dollar each, one prize of 800.00 dollars is to be awarded. Rene Condos purchases one
1. 1 answer
2. 686 views
One thousand raffle tickets are sold for 1 dollar each. One price of 800.is to be awarded. Rena Condos purchases one ticket?Dete
1. 1 answer
2. 644 views
8kg mass moving with a speed of 30 of 30ms-1 is brought to rest in 2.5sec, calculate the magnitude of the constant retarding
1. 1 answer
2. 615 views
The Connecticut River flows at a rate of 3 km / hour for the length of a popular scenic route. If a cruiser to travels 3 hours
1. 1 answer
2. 2,876 views
Find the limit if it exists.lim 1/(x-2) = infinity x→2+ lim 1/(x-2) = negative infinity x→2- lim 1/(x-2) = Does not exist
1. 1 answer
2. 654 views
Find the limit if it exists.lim 1/(x-2) x→2+ lim 1/(x-2) x→2- lim 1/(x-2) x→2 lim (3x+2) x→∞ lim 999/(x^3) x→-∞
1. 1 answer
2. 625 views
Find the limit if it exists.lim 1/(x-2) x→2+ lim 1/(x-2) x→2- lim 1/(x-2) x→2 lim (3x+2) x→∞ lim 999/(x^3) x→-∞
1. 0 answers
2. 569 views
Ellie has 200 dollars in her wallet at 10:00 AM when she goes to the mall. Afterwards, at 4 PM she has only 5 dollars left.Is it
1. 1 answer
2. 474 views
f(x) = 2x^2 x<24x x≥2 1. Find the slope of the tangent curve of 2x^2 at x=2. a. -1/2 b. 1/2 c. 4 d. 8 e. Does not exist 2.
1. 1 answer
2. 340 views
5x - 3 = 7x + 11x=-4 3w -4 = w+8 w =6 Please check. Thanks
1. 2 answers
2. 568 views
Why are philosophical questions not answered with facts?
1. 0 answers
2. 370 views
a letter to your uncle in american asking him to help you pay your school fees for this term.
1. 6 answers
2. 1,245 views
The reaction of methyl-benzene with HNO3 in the presence of catalyst will provide what main compound?
1. 0 answers
2. 398 views
The radius of a circle in increasing at the rate of 0.5cm/s. Find the rate at which the circumference increases if the radius in
1. 1 answer
2. 1,800 views
A bucket begins weighing 30 pounds, including the sand it holds. The bucket is to be lifted to the top of a 25 foot tall
1. 1 answer
2. 1,578 views
DrBobb22Calcule the concentrations of Cd^+2 , [Cd(CN)4^-2] and CN^- at equilibrium, when 0.42 moles of Cd(NO3)2 dissolves in 1 L
1. 1 answer
2. 379 views
DrBobb22Calcule the concentrations of Cd^+2 , [Cd(CN)4^-2] and CN^- at equilibrium, when 0.42 moles of Cd(NO3)2 dissolves in 1 L
1. 4 answers
2. 346 views
Calculate the concentrations of Cd+2, Cd(CN)4^-2 and CN at equilibrium when dissolvs 0.42 moles of Cd(NO3)2 (2.50 mol/L) Kf for
1. 1 answer
2. 472 views
What volume in ml of 0.500 M silver nitrate is required to completely react with 25.0 ml of 1.5 M calcium chloride?
1. 1 answer
2. 653 views
f(x) = cos (1/x)Find the limit as x approaches infinity and find the limit as x approaches negative infinity. Identify all
1. 1 answer
2. 947 views
f(x) = cos (1/x)Find the limit as x approaches infinity and find the limit as x approaches negative infinity. Identify all
1. 0 answers
2. 595 views
f(x) = tan x / sin xFind the vertical asymptote. Describe its behavior to the left and right of the vertical asymptote.
1. 1 answer
2. 3,278 views
A bucket begins weighing 15 pounds, including the sand it holds. The bucket is to be lifted to the top of a 50 foottall building
1. 2 answers
2. 3,265 views
Consider the reaction: K2S(aq)+Co(NO3)2(aq)=2KNO3(aq)+CoS(s) what volume of 0.255 M K2S solution is required to completely react
1. 1 answer
2. 1,500 views
Suppose that a spring has a natural length of 25 cm, and that 8 J of work is needed to stretch from a length of 50 cm to 80
1. 0 answers
2. 1,072 views
[2.0 mol (-285.91 kJ/mol)] + [1.0 mole (0 kJ/mol)] - [1.0 mole (50.61 kJ/mol)] = ??? I came up with the answer of -622.43 but im
1. 1 answer
2. 577 views
Why is the Franco-Prussian War considered an important development in the history of Europe?It was at this time that France
1. 1 answer
2. 759 views
Use the following statement by Robert Owen to answer the question below:"...but I know that society may be formed so as to exist
1. 1 answer
2. 2,248 views
Which is more soluble in water, Cl2 or I2?
1. 2 answers
2. 544 views
I was told to find the concentration of acetic acid in vinegar when only using baking soda and common lab equipment. Can someone
1. 2 answers
2. 712 views
A textbook of mass 1.95 kg rests on a frictionless, horizontal surface. A cord attached to the book passes over a pulley whose
1. 1 answer
2. 3,607 views
A ball bounces to 34 percent of its original height.*1) What fraction of its mechanical energy is lost each time it bounces? *2)
1. 1 answer
2. 668 views
A ball bounces to 34 percent of its original height.*1) What fraction of its mechanical energy is lost each time it bounces? *2)
1. 2 answers
2. 815 views
Lily and rose are playing a game, in the game,each player starts with 0 points and the player with the most points at the end
1. 4 answers
2. 3,399 views
Assuming you are listening to your favorite playlist that has 83 country songs, but your mom also added 9 pop. Suppose that
1. 3 answers
2. 562 views
Two equally long 12-cm diameter pipelines have the same pressure difference between ends. One carries a Type A oil
1. 0 answers
2. 536 views
A material is formed into a long rod with a square cross section 0.31 cm on each side. When a 100 V voltage is applied across a
1. 1 answer
2. 709 views
1) How would I prove that (n - 1 + 2 C 2) = n + (n C 2)2) A cafeteria offers 17 types of pizza and 5 types of soda. Bob goes
1. 1 answer
2. 502 views
Determine the (binomial) coefficient.(x^2+3)^12; ax^8 I got 12C8 * (x^2)^4 * (3)^4 which is 40,095*x^16 but my teacher said it
1. 1 answer
2. 456 views
A 50 kg cannonball hits a war tank vehicle of 12,000 kg that is initially at rest. The cannonball embeds in the tank and both
1. 1 answer
2. 1,413 views
A golf ball of mass 125 g hits a billiards ball of mass 172.5 g that is initially at rest. After the collision, the golf ball
1. 1 answer
2. 1,233 views
Two boxes are connected by a light string that passes over alight, frictionless pulley. One box rests on a frictionless ramp
1. 1 answer
2. 1,251 views
Two boxes are connected by a light string that passes over alight, frictionless pulley. One box rests on a frictionless ramp
1. 2 answers
2. 1,774 views
A car traveled 60% of the way from townA to town B at an average speed of 50 mph. The car travels at an average speed of "S" mph
1. 1 answer
2. 504 views
a bike weighs 200 n. if it starts from rest and travels 100 m in 5 s undergoing constant acceleration, what net force is causing
1. 1 answer
2. 433 views
A sidewalk is 40 m long. each section of the sidewalk is 8 dm long. how many sections of sidewalk are there?
1. 4 answers
2. 1,472 views
A solid cylinder rolls from rest down an incline 6mhigh without slipping. calculate the linear velocity at the foot of the plane
1. 1 answer
2. 966 views
A string going over a massless frictionless pulley connects two blocks of masses 5.9 kg and 9.5 kg. the 5.9 kg block lies on a
1. 1 answer
2. 861 views
A hoop starts from rest at a height 1.8 m above the base of an inclined plane and rolls down under the influence of gravity.
1. 2 answers
2. 1,151 views
A 4.6 kg object is subjected to two forces,F~1 = (2.8 N)iˆ+(−3.5 N)jˆ and F~2 = (4 N)iˆ+(−11.5 N)jˆ. The object is at
1. 1 answer
2. 717 views
Evaluate double integral ln((x-y)/(x+y)) dy dx where the double integral region is the triangle with vertices (1,0),(4,3),
1. 1 answer
2. 600 views
Evaluate double integral ln((x-y)/(x+y)) dy dx where the double integral region is the triangle with vertices (1,0),(4,3),
1. 2 answers
2. 1,131 views
Given the equations y=16 and y=3.Determine the slope and y-intercept if any exist. I have determined that the slope is 0 for
1. 3 answers
2. 470 views
Given the equations y=16 and y=3.Determine the slope and y-intercept if any exist. I have determined that the slope is 0 for
1. 1 answer
2. 394 views
In Super Bowl I, the Green Bay Packers defeated the Kansas City chiefs by a score of 35 to 10. The total points came from 13
1. 1 answer
2. 503 views
In Super Bowl I, the Green Bay Packers defeated the Kansas City chiefs by a score of 35 to 10. The total points came from 13
1. 1 answer
2. 582 views
A ball is thrown straight up from the groundwith an initial velocity of 43.5 m/s; at the same instant, a ball is dropped from
1. 1 answer
2. 565 views
Alex scores 1\5 of the teams goals in the playoffs. Of those goals, 1/3 of them were scored during a power play. What fraction
1. 2 answers
2. 447 views
Suppose you rent apartments in a large apartment complex. Currently there are 90apartments being rented at a rent of $1300 per
1. 2 answers
2. 628 views
1 gm of magnesium is burnt in a closed container which contains 2 l of air at ntp containing 21 percent oxygen by volume find
1. 1 answer
2. 511 views
(2+3i)^6Using Demoirves Theorem. I tried solving it out, but somehow it didn't work for me. (2+3i)^6 r=|z|=square root of 2^2 +
1. 3 answers
2. 463 views
Two point charges experience an attractive force of 5N when they are separated by 1m.what force do they experience when their
1. 3 answers
2. 1,415 views
A long thin rod lies along the x-axis from the origin to x=L, with L= 0.750 m. The mass per unit length, λ (in kg/m) varies
1. 0 answers
2. 628 views

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