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2011
June

Questions Asked on June 7, 2011

Starting from one oasis, a camel walks 25km in a direction 30 degrees south of west and then walks 30km toward the north to a
1. 3 answers
2. asked by christine
3. 13,105 views
2. An object will sink in a liquid if the density of the object is greater than that of the liquid. The mass of a sphere is 9.83
1. 3 answers
2. asked by Naria
3. 6,933 views
Boyle's Law says that the volume of a gas varies inversely with the pressure. When the volume of a certain gas is 4L, the
1. 1 answer
2. asked by Rachal
3. 6,401 views
Propane, C3H8, is a common fuel gas. Use the following to calculate the grams of propane you would need to provide 383 kJ of
1. 1 answer
2. asked by Lance
3. 4,910 views
A sample of ethanol, C2H5OH, weighing 2.84 g was burned in an excess of oxygen in a bomb calorimeter. The temperature of the
1. 1 answer
2. asked by Lance
3. 4,662 views
1) A jogger runs directly east for 5 km, then turns and goes northwest for 7 km. He then travels directly south for 5 km. How
1. 1 answer
2. asked by tank
3. 3,036 views
1. Select the sentence that has correct subject-verb agreement. (Points : 1)Applied mathematics was my major in college. Applied
1. 9 answers
2. asked by shaunta
3. 2,951 views
Suppose the cost of producing x items is given by C(x)=1000-x^3, and the revenue made on the sale of x-items is R(x)=100x-10x^2.
1. 1 answer
2. asked by Mike
3. 2,797 views
A copper coil is placed in a solution of silver nitrate, the reaction proceeds and in time silver crystals form and the colution
1. 1 answer
2. asked by June
3. 2,265 views
50) the monthly demand and supply functions for the Luminar desk lamp are given byp=d(x)= -1.1x^2 + 1.5x + 40 p= s(x)= 0.1x^2 +
1. 2 answers
2. asked by Steff
3. 2,171 views
42) Given the demand equation 3 + p -40=0 and the supply equation 2x - p + 10=0, where p is the unit price in dollars and x
1. 3 answers
2. asked by Steff
3. 2,157 views
A photon of energy E collides with a stationary particle of rest mass m0 and is absorbed by it .(A) what is the velocity of
1. 1 answer
2. asked by walter
3. 2,102 views
How many mL of concentrated HCl(aq) (36% HCL by mass, d=1.18g/mL_ are required to produce 12.5 L of a solution with ph = 2.10?Fi
1. 2 answers
2. asked by K
3. 2,066 views
Which of the following are square roots of the number below? Check all that apply.25 A. -(25)^1/2 B. -5 C. 13 D. 25^1/2
1. 1 answer
2. asked by Clark
3. 1,907 views
When ice at 0°C melts to liquid water at 0°C, it absorbs 0.334 kJ of heat per gram. Suppose the heat needed to melt 30.7 g of
1. 1 answer
2. asked by Lance
3. 1,762 views
Four ropes are tied to a stake, and each is pulled toward a compass direction, N, S, E, or W. A force of 13 N is applied to the
1. 1 answer
2. asked by tank
3. 1,643 views
please solve these if possibleQ1. If sinx +siny=3(cosy-cosx) then the value of sin3x/sin3y. Q2. If sina ,cosa,and tan a are in
1. 3 answers
2. asked by marley
3. 1,627 views
15. Studies have demonstrated that "latchkey children"A. have no difficulty in caring for themselves. B. are at risk for
1. 1 answer
2. asked by sara
3. 1,536 views
Some mole problems!Which quantity of neon may be represented by the symbol Ne? A) 1 gram B) 4 liters C) 6 x 1023 atoms D) 2
1. 2 answers
2. asked by Jenny
3. 1,535 views
FInd the exact value pf the 6 trig function of alphaGiven: point (-2,-6) on the terminal side of the angle in standard position
1. 1 answer
2. asked by jacara
3. 1,453 views
16. Which of the following sets of factors is most influential in contributing to violence?A. Child abuse and poor nutrition B.
1. 1 answer
2. asked by sara
3. 1,450 views
Examine the Edward Newman Health Record to identify the patient's diagnosis(es) and course of treatment. Identify three
1. 6 answers
2. asked by Jennifer Lewis
3. 1,431 views
How would I come about to the solution and what the answers to the question so I can help my son with his school work?1.Check
1. 1 answer
2. asked by James
3. 1,411 views
in an initial mass of 40g, how much mass Remaining of the IsotopeApproximately how much mass remains after 8.0 hours? After 21
1. 1 answer
2. asked by Kelli Kenyon
3. 1,356 views
What is the standard deviation of the following data? If necessary, round your answer to two decimal places.46, 53, 38, 67, 46,
1. 1 answer
2. asked by Vince
3. 1,327 views
Nitrous oxide, N2O, has been used as a dental anesthetic. Suppose that the average speed of an N2O molecule at 25°C is 377 m/s.
1. 1 answer
2. asked by Lance
3. 1,308 views
What is the equation of the parabola with a directrix at y = 4 and focus (0, -4).
1. 0 answers
2. asked by Vince
3. 1,279 views
2MnO4-(aq) +5 H2O2 (aq) + 6H+(aq) -> 5 O2(g) + 2 (Mn2+(aq) = 8H2O (l)If a 25.00 ml sample of hydro peroxide required 25.25 ml of
1. 1 answer
2. asked by Vinny
3. 1,226 views
at 40 degree C , the vapour pressure of water is 55.3 mm of hg. calculate the vapour pressure at same temp. of 10%aques solution
1. 2 answers
2. asked by niki
3. 1,215 views
Hydrogen is burned in oxygen to release heat. How many grams of hydrogen gas must be burned to release enough heat to warm a
1. 1 answer
2. asked by Lance
3. 1,211 views
which of the following taxes must be paid only by the employer?A Federal income B State C Federal unemployment D Fica Thanks
1. 1 answer
2. asked by Alex
3. 1,194 views
Show that the following process is dynamically inpossible:A single photon in empty space is transformed into an electron and a
1. 0 answers
2. asked by walter
3. 1,149 views
What volume of .300 M CaCl2 is needed to react completely with 40.00 Ml of .200 M H2PO4. according to the following equation3
1. 2 answers
2. asked by Vinny
3. 1,145 views
A ball was dropped off a cliff and took 3.09 s to fall to the water below. Neglecting air resistance, how fast (in m/s) was the
1. 0 answers
2. asked by pete
3. 1,141 views
what are the factors that determine the mass of solute that will dissolve in a given amount of solvent or solution?
1. 1 answer
2. asked by bonnie
3. 1,130 views
8. Which of the following statements is true of joint physical custody?A. Joint physical custody isn't legal in most states. B.
1. 2 answers
2. asked by sara
3. 1,129 views
What is the molarity of a 37.50 mL sample of HNO3 solution that will completely react with a 23.70 of .0100 M NaOH?
1. 3 answers
2. asked by Chirag
3. 1,092 views
(a) Find the magnitude of the total force of the traction apparatus applied to the leg, assuming è = 31°, the weight of the
1. 0 answers
2. asked by Anonymous
3. 1,091 views
you purchase 8 video game machines for a total of $2722. A nintendo costs $249 and an Xbox costs $395. How many nintendos and
1. 1 answer
2. asked by HAILS
3. 1,086 views
1. Consider the function f(x) = x3 + 7x2 + 2x - 40 .a. Find the possible rational roots of f(x) = 0. b. Use synthetic division
1. 1 answer
2. asked by Maddie
3. 1,077 views
when two forces of magnitude p and q are perpendicular to each other their resultant is of magnitude 'r' whaen they are at an
1. 1 answer
2. asked by shwet
3. 1,070 views
what are the factors that determine the rate at which a soulute dissolves
1. 2 answers
2. asked by bonnie
3. 1,046 views
Predict the products of a reaction between solid beryllium chloride and solid potassium,write the products in a balanced
1. 1 answer
2. asked by timothy
3. 1,027 views
how to calculate specific observed rotation?
1. 1 answer
2. asked by Tee Kay
3. 1,024 views
Find an equation of the cubic polynomial f(x) = ax3 + bx2 + cx + d that passes through the given points.P(0,-4) Q(1,-8) R(-1,-8)
1. 2 answers
2. asked by gabs
3. 1,013 views
8. Which of the following statements is true of joint physical custody?A. Joint physical custody isn't legal in most states. B.
1. 1 answer
2. asked by sara
3. 997 views
A 645-kg elevator starts from rest and reaches a cruising speed of 1.47 m/s after 3.13 seconds. It moved 2.75 m during that
1. 1 answer
2. asked by Casey
3. 995 views
Suppose you did a survey of male shoes size and the mean of that survey was size 10 with a standard deviation of 1.5. What is
1. 1 answer
2. asked by Wyeth
3. 990 views
(a) A 102-g sample of water is placed in an insulated container and allowed to come to room temperature at 21°C. To heat the
1. 1 answer
2. asked by Lance
3. 986 views
Can (4x^3)y - 9xy^3 factor?
1. 1 answer
2. asked by Jessica
3. 984 views
17. Which of the following statements is true in families where domestic violence occurs?A. The children are less likely to be
1. 1 answer
2. asked by sara
3. 979 views
How does the geography of Southeast Asia affect the population diversity??
1. 1 answer
2. asked by Tilli
3. 977 views
My sister in grade 5 needs help but i dunt exactly know how to do the answers myself, so if someone can help me out i can
1. 2 answers
2. asked by saira
3. 968 views
2. What was the Confucian definition of a gentleman? Why did Confucianism place so much emphasis on manners and ceremony?
1. 1 answer
2. asked by Sabrina
3. 947 views
Please check to see if I've done this activity correctly. There's just so much to cover. Reflexive verbs, vandertramp, and avoir
1. 1 answer
2. asked by Sydney
3. 913 views
A ball bearing is dropped from rest at a point A. At the instant it passes a mark 4.5 m below A, another ball bearing is
1. 2 answers
2. asked by tank
3. 912 views
Solve for Matrix D3 2 -5] [7 0 1 [2 0 8 + D = -4 3 -2] How to solve this?
1. 1 answer
2. asked by Joey
3. 903 views
Your car can go 375 miles on 12 gallons of gas. How far can you go on just 7 gallons of gas?
1. 3 answers
2. asked by Anonymous
3. 901 views
Suppose you did a survey of male shoes size and the mean of that survey was size 10 with a standard deviation of 1.5. What is
1. 1 answer
2. asked by Adam
3. 888 views
You are standing 20 cm directly away from from the mid-point of a long, straight current carrying wire that runs east/west and
1. 0 answers
2. asked by james
3. 878 views
how were the oppenheimers responsible oppurtunists?They built a road from Yale to Cariboo, because transportation was slow
1. 7 answers
2. asked by Emma
3. 863 views
A bag has 4 green marbles, 3 red marbles, and 3 yellow marbles. What is the probability that you pick a yellow marble, do not
1. 1 answer
2. asked by Vince
3. 862 views
Find the only positive integer whose cube is the sum of the cubes of three positive integers immediately preceding it. Find this
1. 1 answer
2. asked by Janice - Please Help!!!
3. 861 views
What is [H30+] in a solution obtained by dissolving 205mL HCl(g), measured at 23 C and 751mmHg, in 4.25L of aqueous solution?
1. 2 answers
2. asked by K
3. 853 views
three compounds A,B and C all have the formula C5H8. All three compounds will decolorize bromine in CCl4. Compound A reacts with
1. 0 answers
2. asked by alli
3. 850 views
Solve by completing the square12x^2+11x=5
1. 2 answers
2. asked by KARINA
3. 831 views
am i right?Assume that Carol cleans Dawn's house weekly for $80. Dawn would be willing to pay as much as $100 weekly to have his
1. 0 answers
2. asked by Johnnu
3. 828 views
A 17 g rifle bullet traveling 220 m/s buries itself in a 3.9 kg pendulum hanging on a 3.0 m long string, which makes the
1. 2 answers
2. asked by anon
3. 823 views
What percentage of the data falls outside 1 standard deviation of the mean?
1. 1 answer
2. asked by Charlie
3. 819 views
Solve the equation by a method of your choice:6x2 + 5x + 1 = 0 If there are two solutions, separate the solutions by a comma.
1. 2 answers
2. asked by nikki
3. 812 views
Triangle DEF is similar to triangle PQR. Side DE measures 3, side EF measures 7 and side FD measures 9. Side PQ measures 5x –
1. 1 answer
2. asked by Vince
3. 810 views
0.255 g sample of H2C2O4 required 25.70 mL of NaOH to neutralize, what would you report as the molarity of NaOH solution? the
1. 4 answers
2. asked by Vinny
3. 810 views
SIMPLEX METHOD - Table:Nutrient Peanuts Raisins M&Ms Pretzels Calories 855 435 1024 162 Protein 34.57 4.67 9.01 3.87 Fat 72.50
1. 2 answers
2. asked by Jay
3. 800 views
John owns a hotdog stand. He has found that his profit is represented by the equation P(x)=x^2 + 12x + 46, where x is the number
1. 1 answer
2. asked by Mike
3. 796 views
calculate the potential of silver electrode in a contact with the followinga/ solution that is 0.0150M in I2 and saturated with
1. 0 answers
2. asked by lyn
3. 769 views
How much is 40% of $80?show me how to do this?
1. 2 answers
2. asked by peaches williams
3. 769 views
Logo of L'Oreal is L'Oreal. Does it have a trademark?Is the slogan for this product - "Because you're worth it" And does L'Oreal
1. 8 answers
2. asked by mary
3. 767 views
What is the equation for a line in slope intercept form passing through (2,11) and perpenduclar to y =4
1. 2 answers
2. asked by Anonymous
3. 748 views
Can you help me express the following sentences? Especially sentence 3.1) Herewith I'd like to confirm the booking for a double
1. 1 answer
2. asked by Henry
3. 745 views
A 1.45 mol sample of an ideal gas (γ = 1.40) is carried through the Carnot cycle described in the figure below. At point A, the
1. 0 answers
2. asked by Alex
3. 744 views
If the labour supply curve is nearly vertical, a tax on labour1. has a large deadweight loss. 2. will raise small amounts of tax
1. 0 answers
2. asked by Johnny
3. 741 views
Have I used adjectives and adverbs correctly here? Adjectives() Adverbs"" have I got them all?When I was (younger) I learned
1. 9 answers
2. asked by blake
3. 735 views
A plane flies 150km due south and then 150km on a bearing of 45 degrees Celsius. With repeat to it initial position, finda. How
1. 2 answers
2. asked by Isaac
3. 731 views
Could you please explain to me how to balance a chemical equation? I've been trying to figure it out, but I can't seem to
1. 1 answer
2. asked by Taz
3. 730 views
until recently, custody decisions were based almost solely on thea]gender of the parent. b]type of employment of the parent.
1. 1 answer
2. asked by sara
3. 721 views
A bag has 5 red marbles, 6 blue marbles and 4 black marbles. What is the probability of picking ablue marble, replacing it, and
1. 1 answer
2. asked by Vince
3. 720 views
ABCD is an isosceles trapezoid with a height of 4 inches and bases of 10 and 12 inches .What is the perimeter of this trapezoid
1. 1 answer
2. asked by Veronica
3. 720 views
C2H5OH + O2 -> C2H4O2 +H20This reaction drastically changes the taste of wine, if 100.0 mL of wine initially contained 12.0 g of
1. 1 answer
2. asked by Vinny
3. 713 views
Determine how many grams of active antacid ingredient AL(OH)3 would be necessary to neutralize the HCL in 50.0 mL of .0100 M HCL
1. 2 answers
2. asked by Vinny
3. 700 views
I chose this as another product to answer questions on. The slogan is really catchy.... "Think Outside the Box". Okay I just
1. 10 answers
2. asked by mary
3. 696 views
Does it look to you like Aristotle ever performed any actual experiments with falling objects? Explain your answer, based upon
1. 0 answers
2. asked by pete
3. 686 views
Any object, be it a space satellite or a molecule, must attain an initial upward velocity of at least 11.2 km/s in order to
1. 2 answers
2. asked by Lance
3. 685 views
A photon of energy E collides with a stationary particle of rest mass m0 and is absorbed by it.what is the velocity of the
1. 1 answer
2. asked by Deforest
3. 684 views
Why did some senators oppose the participation of the U.S. in the League of Nations following World War I?
1. 1 answer
2. asked by Laura
3. 683 views
The specific heat of copper metal was determined by putting a piece of the metal weighing 39.4 g in hot water. The quantity of
1. 2 answers
2. asked by Lance
3. 677 views
Solve the system of equations by graphing. Then classify the system.2x-y=7 2x+3y=3
1. 1 answer
2. asked by sam
3. 669 views
is this a Parallel Sentence "Sports fans may disagree about whether going to baseball games or to watch football is more fun,
1. 1 answer
2. asked by Anonymous
3. 668 views
3. Which of the following situations is a cultural influence on behavior?A. Mia is expected to baby-sit for her cousin as a
1. 2 answers
2. asked by sara
3. 663 views
Can somebody explain to me why equating coefficients work?Example: 8x^3+13x = Ax^3 + 2Ax + Bx^2 + 2B + Cx + D expanded into:
1. 1 answer
2. asked by Jay
3. 663 views
Given a quadratic equation in the form y = ax2 +bx +c , and four choices of graphs representing that equation, how can you tell
1. 2 answers
2. asked by Belle
3. 653 views

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