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Questions Asked on October 4, 2015

Find the value of an odd natural number x if LCM(x, 40)=1400
1. 38 answers
2. asked by Exerice 1.1
3. 38,477 views
A saturated solution of Na2SO4, with excess of the solid, is present at equilibrium with its vapor in a closed vessel. (a) How
1. 6 answers
2. asked by Jessica
3. 8,493 views
The cup on the 9th hole of a golf course is located dead center in the middle of a circular green that is 70 ft in diameter. You
1. 3 answers
2. asked by Anonymous
3. 7,810 views
If one honeybee makes 1/12 teaspoon of honey during its lifetime. how many honey bees are needed to make 1/2 teaspoon of honey?1
1. 13 answers
2. asked by MVN
3. 6,342 views
The weak acid HQ has pKa of 4.89.1)Calculate the [H3O+] of .035 M HQ. 2)Calculate the (OH-) of 0.500 M HQ ....Am I correct? a)
1. 1 answer
2. asked by patrick
3. 5,711 views
A plane can travel with a speed of 80 mi/hr with respect to the air. Determine the resultant velocity of the plane (magnitude
1. 1 answer
2. asked by Oleg
3. 5,682 views
Write the dissociation equation for iron(II) ammonium sulfate hexahydrate in water .Fe(NH4)2(SO4)2 * 6H2O --> __?________ I know
1. 1 answer
2. asked by Christine
3. 4,839 views
A 28-inchboard is to be cut into three pieces so that the second piece is twicetwice as long as the first piece and the third
1. 3 answers
2. asked by Anonymous
3. 4,692 views
A 250 g sample of water with an initial temperature of 98.8 c loses 7,500 joules of heat. What is the final temperature of the
1. 2 answers
2. asked by Raul
3. 4,622 views
How many moles of H3O+ or OH-must you add per liter of HA solution to adjust its pH from 9.75 to 9.01? Assume a negligible
1. 2 answers
2. asked by patrick
3. 3,810 views
Iff(x) = 5ex cos x, find f '(x) and f ''(x).
1. 2 answers
2. asked by jam
3. 3,381 views
Evaluate 2x+6y when x=-4/5 and y=1/3. Write your answer as a fraction or mixed number in simplest form.
1. 15 answers
2. asked by Anonymous
3. 3,171 views
Bacteria in a certain culture increase at a rate proportional to the number present. If the number doubles in one hour, how long
1. 1 answer
2. asked by rama krishna
3. 2,905 views
Methanol has the formula CH3OH and can be produced by the reaction of carbon monoxide with hydrogen gas.CO + 2 H2 <-->
1. 1 answer
2. asked by Terry
3. 2,899 views
At time t1 = 2.00 s, the acceleration of a particle in counterclockwise circular motion is (5.00 m/s2)i hat + (6.00 m/s2)j. It
1. 1 answer
2. asked by Rach
3. 2,792 views
What is the pH of a 0.16M KHSO3 solution at 298 K?a. 4.41 b. 1.31 c. 7.00 d. 1.82 e. 3.89 I did the calculations and my answer
1. 2 answers
2. asked by Owen
3. 2,649 views
acetylsalicylic acid (aspirin) HC9H7O4 is the most widely used pain reliever and fever reducer. Find the PH of 0.040 M aqueous
1. 1 answer
2. asked by patrick
3. 2,570 views
A quarterback throws a pass at an angle of 40 degrees above the horizontal with an initial speed of 20 m/s. The ball is caught
1. 1 answer
2. asked by JoseF3
3. 2,451 views
The lcm of two numbers is 40 one of the numbers is 5 what is the other numbers
1. 5 answers
2. asked by Angaly
3. 2,316 views
Types of bonds are divided into three categories: good risk, medium risk, and poor risk. Assume that of a total of 13,838 bonds,
1. 2 answers
2. asked by Anonymous
3. 2,255 views
The equations for the heats of the formation of copper (I) oxide,Cu2O and copper(II) oxide,CuO are:2Cu(s) +1/2 O2(g) CuO(s);
1. 0 answers
2. asked by felix
3. 2,203 views
Evaluate -x+4y when x=-4/5 and y=1/3. Write your answer as a fraction or mixed number in simplest form.
1. 3 answers
2. asked by Anonymous
3. 2,107 views
a)Co(H2O)6^2 + 4 Cl^‐1 (aq) ⇄ CoCl4^‐2 (aq) + 6 H2O (l) Rewrite the net ionic equation above including the energy term
1. 1 answer
2. asked by Victor
3. 2,057 views
Lucy has 40 bean plants, 32 tomato plants, and 16 pepper plants. she wants to put the plant in rows with only one type of plant
1. 6 answers
2. asked by Anonymous
3. 1,977 views
A curved road is banked at an angle such that friction is not necessary for a car to stay on the road. a 2500 kg car is
1. 1 answer
2. asked by amelia
3. 1,947 views
Laura owns and operates Aunt Linda's Pecan Pies. She has learned that her profits, P(x), from the sale of x cases of pies, are
1. 2 answers
2. asked by Anonymous
3. 1,905 views
You place a piece of paper on a balance and find that its mass is 0.63 g. You add a lump of NaOH to the paper and get a mass of
1. 1 answer
2. asked by Misaki
3. 1,834 views
A dead dog of mass 2.2 kg and an initial speed of 5.5 m.s-1 slides along a rough horizontal surface and stops after travelling
1. 1 answer
2. asked by samuel
3. 1,740 views
Venus orbits the sun in an approximately circular path. Venus is about 67 million miles from the sun. A comet is located 80
1. 3 answers
2. asked by Anonymous
3. 1,696 views
The driver of a truck slams on the brakes when he sees a tree blocking the road. The truck slows down uniformly with
1. 0 answers
2. asked by kdberg
3. 1,647 views
What is the conjugate acid for NH2- ?N3- NH2- NH4+ H+ I thought it was NH4+ but it was wrong. Isn't it suppose to be NH3+ but
1. 1 answer
2. asked by kris
3. 1,624 views
a). The length of the classroom is 30 ft. The length of the room on the scale drawing is 6 in. Is this correct? Explain why or
1. 2 answers
2. asked by Alyssa
3. 1,379 views
A sports car skids to a stop, leaving skid marks 290 m long.If the coefficient of kinetic friction between tires and pavement is
1. 1 answer
2. asked by Luis
3. 1,352 views
An 80 kg man stands in an elevator. What force does the floor of the elevator exert on the man ifa) the elevator is stationary?
1. 1 answer
2. asked by John Scott
3. 1,245 views
Finding critical numbersg(theta) = 16(theta) - 4tan(theta) I can only get the derivative of g to be g'(theta) = 16 -
1. 1 answer
2. asked by Justin
3. 1,221 views
A w1 = 255 N bucket is lifted with an acceleration of a = 2.00 m/s2 by a w2 = 105 N uniform vertical chain. A.Find the tension
1. 0 answers
2. asked by Anonymous
3. 1,183 views
when is it better to use recrystallization vs. sublimation techniques in lab? I know they both result a purer compound, but I am
1. 1 answer
2. asked by domo
3. 1,180 views
Calculate the approximation.L4, f(x)=cos^2 x , [pi/6, pi/2]
1. 1 answer
2. asked by Anonymous
3. 1,178 views
A mass hangs on the end of a massless rope. The pendulum is held horizontal and released from rest. When the mass reaches the
1. 1 answer
2. asked by Hannah
3. 1,145 views
We are finding critical numbersf(x)= 8x^3+x^2+8x f'(x)=24x^2+2x+8 -> 2(12x^2+x+4) I'm honestly stuck. All I can tell is that I
1. 1 answer
2. asked by Justin
3. 1,012 views
You testify as an expert witness in a case involving an accident in which car A slid into the rear of car B, whichwas stopped at
1. 2 answers
2. asked by Jo
3. 993 views
"We can easily forgive a child who is afraid of the dark; the real tragedy of life is when men are afraid of the light" what
1. 2 answers
2. asked by Hanna
3. 993 views
How would you write the equation to represent "Nitrogen and Oxygen react to form Nitrogen Dioxide".
1. 2 answers
2. asked by Elle
3. 974 views
- 2 1/4 cups all purpose flour- 1 teaspoon of backing soda - 1 teaspoon of salt - 1 cup (2 sticks) of butter softened - 3/4 cups
1. 1 answer
2. asked by Brenda
3. 960 views
Write the dissociation equation for iron(II) ammonium sulfate hexahydrate in water .Fe(NH4)2(SO4)2 * 6H2O --> __?________ I know
1. 1 answer
2. asked by Christine
3. 937 views
A miniature rocket is launched so that its height in meters after t seconds is given by the equation h=-4.9t^2+29.4t+7.(a)draw a
1. 1 answer
2. asked by Amy
3. 934 views
Determine if the ffg are strong, weak, nonelectrolytes:Sulfuric acid - strong? Potassium hydroxide - strong? Carbonic acid -
1. 1 answer
2. asked by ELECTROLYTES!
3. 930 views
A galvanometer needle deflects full scale for 53.0A current. What current willgive full-scale deflection if the magnetic field
1. 0 answers
2. asked by gaopalelwe
3. 930 views
The manager of a band recommends that the band sell its CDs for $8.75. The band decides to sell the CD for p dollars.A) Write an
1. 2 answers
2. asked by Ellie
3. 928 views
Compare and contrast natural selection and artificial selection.All I can think of is that man controls what happens in
1. 1 answer
2. asked by Anonymous
3. 896 views
I need help understanding these, please. Thanks!1. A 2 kg body moves with constant velocity when a force of 10 N is applied.
1. 2 answers
2. asked by Ellie
3. 884 views
7x-3y+4z=1813x+6y+8z=30 11x-9y-12z=16 Find x,y,z please show the solution pleaseee
1. 1 answer
2. asked by Jean
3. 868 views
Who were the first Early American civilization to build stone pyramids?A)Maya B)Olmec C)Aztec D)Inca I think it's Maya :p
1. 1 answer
2. asked by Shalee ^~^
3. 849 views
acetylsalicylic acid (aspirin) HC9H7O4 is the most widely used pain reliever and fever reducer. Find the PH of 0.040 M aqueous
1. 0 answers
2. asked by patrick
3. 829 views
A person 1.90 m tall walks on a horizontal icy surface. The coefficient of friction between the surface of the ice and the
1. 0 answers
2. asked by Jacob
3. 814 views
6.3E10 Mm converted to mm would be?Round the following measurment to three significant figure: 0.90985 cm^2
1. 1 answer
2. asked by HELP!
3. 806 views
Find the product tell which strategy you for (4x10)x10
1. 2 answers
2. asked by Emmya
3. 794 views
If 12 women are randomly selected, what is the probability that their mean head circumference is between 21.8 in and 22.8 in.?
1. 0 answers
2. asked by Kacey
3. 776 views
Two converging lenses are separated by 50 cm, and have focal lengths off1 = 20 cm and f2 = 10 cm, as illustrated in Figure 2. An
1. 1 answer
2. asked by Anonymous
3. 761 views
The weak acid HQ has pKa of 4.89.1)Calculate the [H3O+] of .035 M HQ. 2)Calculate the (OH-) of 0.500 M HQ ....Am I correct? a)
1. 1 answer
2. asked by patrick
3. 750 views
Calculate the amount of heat (calories) needed to raise the temp of 10.0g of water from 10.0 c to 75.0 c ??
1. 3 answers
2. asked by Anonymous
3. 744 views
A person 1.90 m tall walks on a horizontal icy surface. The coefficient of friction between the surface of the ice and the
1. 1 answer
2. asked by Jacob
3. 740 views
Ashley bought a dress at 30% off. The sale price was $59.50. What was the original price of the dress?
1. 3 answers
2. asked by Coolkid101
3. 739 views
A cannon with a mass of 10 tons fires a bullet horizontally with a mass of 50kg. The velocity of the bullet when it leaves the
1. 0 answers
2. asked by Mandla
3. 731 views
graph the functionf(x)=�ãx-2 graph the function leftmost point and three additional points
1. 1 answer
2. asked by Pat
3. 725 views
I am writing my answer and my teacher wants me to give an example of parasitism and write a sentence explaining my answer. Is
1. 5 answers
2. asked by Fairypenguingirl
3. 708 views
1. Which component of the technological system is achieved when an automobile airbag inflates?A. Input B. feedback C. process D.
1. 1 answer
2. asked by BabyCakes101
3. 699 views
Evolution by artificial selection is a common way by which people breed plants and animals to have characteristics that we find
1. 0 answers
2. asked by Anonymous
3. 693 views
How many moles of H3O+ or OH-must you add per liter of HA solution to adjust its pH from 9.75 to 9.01? Assume a negligible
1. 0 answers
2. asked by patrick
3. 685 views
John has used a solar simulator setup to measure the relation between the voltage and the current of a small photovoltaic module
1. 1 answer
2. asked by Prasad
3. 659 views
enum =5 four=2 three= 1suppose the function f is defined, for real numbers, as(x) follows f{4if=0 1ifx=0 graph the function f
1. 1 answer
2. asked by Pat
3. 655 views
You place a piece of paper on a balance and find that its mass is 0.63 g. You add a lump of NaOH to the paper and get a mass of
1. 0 answers
2. asked by Misaki
3. 640 views
An athlete executing a long jump leaves the ground at a 28.9 ∘ angle and travels 7.70 m .What was the takeoff speed?If this
1. 1 answer
2. asked by alex
3. 639 views
I need help with this problem:Circle the number closest in value to 10.1 a. 9.9 b. 9.909 c. 10.99 d. 10.5
1. 6 answers
2. asked by Tommy
3. 637 views
A boy throws a ball straight up into the air so that it leaves his hand at 11 m/s. If the ball has mass 0.15 kg and the boy's
1. 0 answers
2. asked by John Scott
3. 632 views
The Probability that a randomly selected commuter listens to audiobooks during their commute is 0.49. Suppose that a sample of
1. 0 answers
2. asked by Anonymous
3. 631 views
Evaluate the following limit algebraically.lim (sqrt 4+x-2)/x x approaches 0
1. 1 answer
2. asked by Levi
3. 628 views
Write the equation for the reaction that occurs when sodium carbonate is added to the mixture of the reaction and water (hint: a
1. 0 answers
2. asked by Peter
3. 611 views
copper sulfate reacts with sodium hydroxide producing copper hydroxide and sodium sulfate.. If sodium hydroxide is the limiting
1. 0 answers
2. asked by Steve
3. 610 views
We have to write a one page reflection on honesty, I need help.What are some real world situations in which this value is being
1. 3 answers
2. asked by Bob
3. 607 views
If a firm buys on trade credit terms of 1/10, net 45 decides to forgo the trade credit discount and pay on the net day, what is
1. 2 answers
2. asked by monica
3. 606 views
example of delayed conditioning, not the one pavlov and watson gave.
1. 1 answer
2. asked by conditioningkoon
3. 601 views
Evaluate 4-1.5 using a calculator. Round you’re answer to 3 decimal places
1. 1 answer
2. asked by Sara
3. 598 views
Write the equation for the reaction that occurs when sodium carbonate is added to the mixture of the reaction and water (hint: a
1. 1 answer
2. asked by Peter
3. 598 views
Write the equation of the line that contains the indicated pair of points. Express the final equation in standard form.(−3, 1)
1. 1 answer
2. asked by April
3. 583 views
At a car rental agency, 0.34 of the cars are returned on time. A sample of 13 car rentals is studied. What is the probability
1. 1 answer
2. asked by Anonymous
3. 581 views
six lettered tiles are drawn from a bag and placed in a row .if 3 tiles have 3 x's and 3 have o's.find the probability that no 2
1. 0 answers
2. asked by nelushi
3. 557 views
Write the equation for the reaction that occurs when sodium carbonate is added to the mixture of the reaction and water (hint: a
1. 0 answers
2. asked by Peter
3. 542 views
A man flies between two cities; on a windless day, he averages 120 mph round trip; on a windy day he averaged 140 mph with the
1. 1 answer
2. asked by Linda
3. 539 views
500ml of gas at 20 degrees celcius is under a pressure of 100cm of mercury what would be its volume at s.t.p?
1. 1 answer
2. asked by Natalia
3. 539 views
consider situations in your work or home that could be addressed through a continuous probability distribution. Describe the
1. 3 answers
2. asked by Faithee
3. 537 views
The energy-separation curve for two atoms, a distance, r, apart is: U(r)=−A/r^m+B/r^nDerive and expression for the stiffness
1. 2 answers
2. asked by ana
3. 528 views
With relation to Avogadro's Constant:How many hydrogen ions are present in 3 moles of dilute sulphuric acid? As sulphuric acid
1. 1 answer
2. asked by Maria
3. 526 views
what is the crow's foot ERD of this problem?
1. 1 answer
2. asked by Karen
3. 521 views
What is the archetype in By the Waters Of Babylon for The Quest to Know who you are, with an example from the book
1. 2 answers
2. asked by John
3. 521 views
Whenever an industry fails to achieve allocative efficiency by producing too little output, a shortage arises.
1. 1 answer
2. asked by Anonymous
3. 507 views
A 3000-kg truck needs a propeling steady force of 1400 N to travel at a speed of 40 mpg. What is the MPG for the truck if its
1. 0 answers
2. asked by Penny
3. 501 views
The length of a rectangle is 4 times its width. If the perimeter of the rectangle is 70 ft., find the area.
1. 1 answer
2. asked by Christine
3. 500 views
CaCo3 _____ CaO+CO 2 From this eqn caculate the amount of Carbon dioxide in grams liberated by heating 25g of calcium carbonate
1. 0 answers
2. asked by Amaresh S Patil
3. 496 views
The core periphery model is not limited to a global scale ExplainWhat does that mean
1. 1 answer
2. asked by Anonymous
3. 496 views

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