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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. 38,542 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. 8,526 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. 7,833 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. 6,373 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. 5,745 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. 5,703 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. 4,868 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. 4,729 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. 4,644 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. 3,833 views
Iff(x) = 5ex cos x, find f '(x) and f ''(x).
1. 2 answers
2. asked by jam
3. 3,407 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. 3,219 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. 2,935 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. 2,925 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. 2,822 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. 2,666 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. 2,595 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. 2,483 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. 2,332 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. 2,284 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. 2,230 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. 2,131 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. 2,088 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. 2,009 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. 1,973 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. 1,932 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. 1,855 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. 1,773 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. 1,722 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. 1,672 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. 1,653 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. 1,409 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. 1,375 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. 1,281 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. 1,253 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. 1,207 views
Calculate the approximation.L4, f(x)=cos^2 x , [pi/6, pi/2]
1. 1 answer
2. asked by Anonymous
3. 1,199 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. 1,195 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. 1,165 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. 1,041 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. 1,018 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. 1,013 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. 1,006 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. 988 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. 970 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. 958 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. 951 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. 951 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. 949 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. 908 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. 900 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. 887 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. 869 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. 856 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. 835 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. 826 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. 817 views
Find the product tell which strategy you for (4x10)x10
1. 2 answers
2. asked by Emmya
3. 812 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. 784 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. 776 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. 770 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. 763 views
graph the functionf(x)=�ãx-2 graph the function leftmost point and three additional points
1. 1 answer
2. asked by Pat
3. 761 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. 759 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. 756 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. 737 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. 724 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. 712 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. 705 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. 680 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. 679 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. 665 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. 658 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. 656 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. 656 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. 651 views
Evaluate the following limit algebraically.lim (sqrt 4+x-2)/x x approaches 0
1. 1 answer
2. asked by Levi
3. 650 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. 645 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. 635 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. 629 views
Evaluate 4-1.5 using a calculator. Round you’re answer to 3 decimal places
1. 1 answer
2. asked by Sara
3. 629 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. 628 views
example of delayed conditioning, not the one pavlov and watson gave.
1. 1 answer
2. asked by conditioningkoon
3. 625 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. 620 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. 615 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. 607 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. 601 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. 561 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. 561 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. 561 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. 556 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. 551 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. 545 views
what is the crow's foot ERD of this problem?
1. 1 answer
2. asked by Karen
3. 544 views
If Sally can paint a house in 4 hours, and John can paint the same house in 6 hours, how long will it take both of them to paint
1. 1 answer
2. asked by Mohammed
3. 544 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. 542 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. 529 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. 523 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. 519 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. 519 views

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