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Mandy

Questions (319)

Let f (x) = x^2 + 5x-14. Find the open intervals on which f is concave up (down). Then determine the xcoordinates of all
1. 1 answer
2. 1,034 views
balance:H2(g)+S2(g)------->H2S(G)+heatA.) how would the equilibrium be affected give the following: - increase in temperature -
1. 1 answer
2. 561 views
balance: SO2(g)+O2(g)------->SO3(g)the concentration of SO2 and O2 are determined to be [0.06] and [0.03] if the following
1. 1 answer
2. 664 views
2CO2(G)--->2CO(g)+O2(g), deltaH=566kjwhat is Kc and state whether the reaction favors products or reactants? A.)[CO2]=1.5M,
1. 1 answer
2. 675 views
balance:Al(s)+H2O(g)--->Al2O3(s)+H2(g)what is the correct equilibrium expression?
1. 1 answer
2. 498 views
Al2O3+6HCl----->AlCl3+3H2Owhat type of reaction is this? -combination -decompisition -or double displacement reaction
1. 1 answer
2. 1,479 views
balance: Al(s)+H2O(g)--->Al2O3(s)+H2(g)what is the correct equilibrium expression?
1. 0 answers
2. 628 views
Al2O3(s)+6NO(g)---->5N2(g)+6H2O(l)how many grams of Nitric Oxide are required to produce 145g of nitrogen in the following
1. 1 answer
2. 1,033 views
complete the following double displacement reaction and indicate the states:KCl+AgNO3=
1. 1 answer
2. 1,545 views
If the % m/m of a solution of NaCl is 22%, how many grams of NaCl are present in 250g of solution???/
1. 1 answer
2. 434 views
Help please! Thank you!If csc(theta)= -2 and theta lies in Quadrant III, find tan(theta).
1. 2 answers
2. 866 views
In the fall of 2000, 54% of the almost 34,000 first-year students attending one of the California State Universities had strong
1. 0 answers
2. 900 views
Calculate the enthalpy of combustion of C3H6:C3H6 (g) + 9/2 O2 (g) yield 3CO2 + 3H2O using the following data: 3C (s) + 3H2 (g)
1. 1 answer
2. 9,677 views
How would I draw an age appropriate graphic organizer on snow for a Pre K classroom?
1. 1 answer
2. 463 views
Based on surveys conducted in your area, you determine that it is feasible to sell your specialty pizzas for $15. The cost for
1. 0 answers
2. 513 views
A boat crew rowed 20 miles downstream, with the current, in 2hours. The return trip upstream, against the current, covered the
1. 1 answer
2. 1,066 views
The length of the top of a table is 4m greater than that the width. The area is 60m^2. Please help me find the dimensions of the
1. 2 answers
2. 648 views
A boat crew rowed 20 miles downstream, with the current, covered the same distance, but took 5 hours. Dine the crew's rowing
1. 2 answers
2. 707 views
Fran works due north of home. Her husband Alan works due east. By the time Fran is 7 miles from home, the distance between them
1. 2 answers
2. 852 views
Please help how to solve this problem and thank you in advance.x2 + 9x +14 = 0=
1. 1 answer
2. 369 views
what volume of nitrogen at 215 degrees celsius and 715mm Hg would be required to react with 0.100 mol of hydrogen to produce
1. 1 answer
2. 1,918 views
A store mixes Brazilian coffee worth $11 per Kilogram, Turkish coffee worth $13 per kilogram. The mixture is to sell for $12 per
1. 1 answer
2. 743 views
The product of two consecutive positive integers is 11 more than their sum. What the integers? Please help.
1. 2 answers
2. 845 views
What Volume of nitrogen at STP would be required to react with 0.100 mol of hydrogen to produce ammonia?N2(g) +3H2 (g)(arrow)
1. 4 answers
2. 3,160 views
solve each system graphically. be sure to check your solution. if a system has an infinite number of solutions, use the
1. 1 answer
2. 689 views
solve each system by graphing2x-y=4 5x-y=13
1. 1 answer
2. 391 views
From what height would a compact car have to be dropped to have the same kinetic energy that it has when being driven at 100
1. 0 answers
2. 610 views
Pam has a mass of 40Kg and she is at rest on smooth, level, frictionless ice. Pam Straps on a rocket pack. The rocket supplies a
1. 6 answers
2. 2,704 views
I am currently making a short movie about "NO SMOKING!". So, I am now searching for the right music background for the movie.
1. 0 answers
2. 519 views
A force of 600N is applied to a metal box to pull it 15 m across a floor. The roped used to pull the box is held at an angle of
1. 2 answers
2. 1,736 views
You are walking from your math class to your science class carrying a book weighing 112N. You walk 45 meters down the hall,
1. 1 answer
2. 1,451 views
The difference between two numbers is 9 and the product of the numbers is 162. Find the two numbers. Explain your working
1. 3 answers
2. 2,620 views
Where should commas be placed?Combine flour shortening pecans and cold water to make a tasty pie crust.
1. 26 answers
2. 18,931 views
If there are only two possible outcomes to an experiment then...A.) the two corresponding probabilities must each be.50. B.) the
1. 1 answer
2. 634 views
In each of the following situations, state whether or not the given assignment of probabilities to individual outcomes is
1. 1 answer
2. 945 views
The basketball player Steve Nash is the all-time career free throw shooter among active players. He makes about 90% of his free
1. 1 answer
2. 1,346 views
Upon examining its records, a hospital computes the distribution of the number of days a patient stays at the hospital. They
1. 1 answer
2. 1,075 views
In a city with no cars of mixed color, 30% of the cars on the road are brown. Forty percent are either brown or green, and 10%
1. 9 answers
2. 679 views
i have been working one this paper for a few days and i have been struggling with it, I need to write about the elements and
1. 0 answers
2. 631 views
Thanks for the websites, I have a worksheet of a list of all the elements and principles, but i am still struggling as to which
1. 4 answers
2. 532 views
I need some help determining the elements and principles of an art piece called "Polly, Minou and Eon" by Will Barnet
1. 4 answers
2. 539 views
Write an equation in slope-intercept form for each line described.(I just need my work checked, thank you!) The slope = 1/2, and
1. 4 answers
2. 1,026 views
h(0.5) if h(x) = 6-2x^3So I set it up as 6 - 2(0.5^3) correct? That way only the (0.5) is being cubed, and THEN multiplied by 2?
1. 3 answers
2. 370 views
Hi I wrote a paper for school and turn it in said it is 78% plagiarized I am upset because I did not use any of the sources they
1. 1 answer
2. 521 views
what is the delta H of N2 + 3H2 ---> 2NH3 + 22,000 cal
1. 0 answers
2. 646 views
HCl(g) HBr(g) HF(g)Which of these gases has the fastest average speed? Which has the highest average kinetic energy?
1. 0 answers
2. 868 views
A mixture of Nitrogen and Argon gases in a balloon exerted a pressure of 2.55 atm. Given that there were 1.0 g nitrogen gas and
1. 1 answer
2. 991 views
A zinc-copper battery is constructed as follows at 25°C.Zn|Zn^2+ (0.15 M)||Cu2+(3.00 M)|Cu The mass of each electrode is 200.
1. 0 answers
2. 578 views
I have been working on this problem all day and i just cant get the answer. Please help I would really appretiate it.The
1. 0 answers
2. 566 views
Calculate the OH− concentration after 51.3mL of the 0.100 M KOH has been added to 25.0 mL of 0.200 M HBr. Assume additive
1. 1 answer
2. 508 views
The center of a 1.50 diameter spherical pocket of oil is 1.20 beneath the Earth's surface. Estimate by what percentage directly
1. 1 answer
2. 952 views
You know your mass is 69 kg , but when you stand on a bathroom scale in an elevator, it says your mass is 78 kg. What is the
1. 2 answers
2. 1,698 views
The center of a 1.50 diameter spherical pocket of oil is 1.20 beneath the Earth's surface. Estimate by what percentage directly
1. 0 answers
2. 733 views
Why is the total distance traveled by a mass traveling in a circle of radius R during n revolutions, 2piRn?
1. 1 answer
2. 1,358 views
By what amount does the sum of the roots exceed the product of the roots of the equation (x-7)(x+3)=0?I have no idea what to do!
1. 1 answer
2. 1,226 views
I need some help with this assignment. I really don't understand this class. Can someone please help me understand it
1. 4 answers
2. 538 views
Discuss how confirmation bias can influence perceptions and how some beliefs can actually generate their own confirmation in 200
1. 3 answers
2. 522 views
Could some one please help me with this assignment. I am really confused about this. Here is what I have to do:Write 200 to 300
1. 2 answers
2. 895 views
What are two advantages and two disadvantages of collectivism and individualism? I am having a hard time finding the answer to
1. 3 answers
2. 655 views
Can someone PLEASE help me brief a case for Waller Vs. Florida 397 U.S. 387 ??
1. 3 answers
2. 514 views
McMaster University researchers Margo Wilson and Martin Daly showed 209 male and female students pictures of attractive and
1. 0 answers
2. 1,095 views
McMaster University researchers Margo Wilson and Martin Daly showed 209 male and female students pictures of attractive and
1. 0 answers
2. 470 views
Can you please help me with some questions I have on my Chemistry lab?
1. 2 answers
2. 494 views
in Synthesis of para-Methylacetanilide What important bands (include chemical shifts) would begin to disappear in a H-1 NMR
1. 0 answers
2. 502 views
in Synthesis of para-Methylacetanilide What was the purpose of the sodium acetate solution
1. 0 answers
2. 743 views
In Hydration of 2-Ethyl-1-Butene which is the major product and which is the minor product? possible products are
1. 0 answers
2. 757 views
In Hydration of 2-Ethyl-1-Butene which alcohol is predominant?Thanks!!!
1. 1 answer
2. 525 views
Hi everyone!!! Can someone please tell me the answer to the following questions? Thank you so much!!!!In Hydration of
1. 0 answers
2. 534 views
In hydration of of 2-Ethyl-1-ButeneWhat important bands (include wavenumbers) would begin to disappear in an IR spectrum and
1. 2 answers
2. 857 views
3. Imagine that more than one band appeared in the GC chromatogram, but you were unable to run the standards. Instead you took
1. 0 answers
2. 838 views
Research the Goldman Sachs website. Using your research findings from the Library and the Internet, develop both an EFAS
1. 3 answers
2. 1,119 views
Write an equation in slope-interept for, for the lnie that satisfies each set of conditions.8. passes through (-2, 1),
1. 1 answer
2. 504 views
What does disable mean?
1. 1 answer
2. 367 views
Find each value if g(x)=x^3-x.SO, g(5)=(5^3)-5... would equal 120? Did I do this right?
1. 1 answer
2. 304 views
An essay that shows why a location has become polluted is an example ofa. organization by degree b. chronological order c. main
1. 1 answer
2. 673 views
Which of the following is the proper form to tell someone a writer's feelinga. diagram b. autobiographical essay c. poem is
1. 1 answer
2. 443 views
Please help me solve this problem. I have a test tomorrow and I do not understand at all.Determine all solutions of the
1. 3 answers
2. 501 views
The Articles of confederation were nto adopter for fives because: (A) the antifederalists waged a stiff battle against them (B)
1. 2 answers
2. 419 views
The northwest ordinance provided for all of the following except:a. the eventual creation of three to five states out of the
1. 4 answers
2. 1,416 views
why wasn't the articles of confederation adopted for 5 years?
1. 1 answer
2. 393 views
The longer diagonal of a rhombus is 2 times as long as the shorter diagonal. Find the length of the shorter diagonal if the area
1. 1 answer
2. 1,454 views
Describe the costs and benefits to society from purchasing insurance.
1. 0 answers
2. 472 views
Identify and describe which, if any, of the following creation and consequence situations that Native Americans has faced:Native
1. 1 answer
2. 1,154 views
To the nearest second, when wil the minute hand lie exactly over the hour hand between 2pm and 3pm?
1. 1 answer
2. 468 views
The speed (v) of an ocean wave depends on its wavelength ë (measured in meters) and the gravitational field strength g
1. 1 answer
2. 690 views
The speed (v) of an ocean wave depends on its wavelength ë (measured in meters) and the gravitational field strength g
1. 0 answers
2. 514 views
The position of an object changes with time according to the expression x(t) = 5t62 = 3t - 1. What is the position of the object
1. 2 answers
2. 436 views
The position of an object changes with time according to the expression x(t) = 5t62 = 3t - 1. What is the position of the object
1. 0 answers
2. 346 views
The velocity of a particle is given by the relation v(t)=(-5.00 x 10⁷)t² = (3.00 x 1065)t. At time t=0, the particle is
1. 0 answers
2. 435 views
The position of an object changes with time according to the expression x(t) = 5t62 = 3t - 1. What is the position of the object
1. 1 answer
2. 425 views
The velocity of a particle is given by the relation v(t)=(-5.00 x 10⁷)t² = (3.00 x 1065)t. At time t=0, the particle is
1. 1 answer
2. 642 views
The speed (v) of an ocean wave depends on its wavelength ë (measured in m/s) and the gravitational field strength g (measured
1. 1 answer
2. 589 views
Two solid spheres A and B are made from the same material. The mass of sphere B is eight times that of sphere A. If the radius
1. 1 answer
2. 1,074 views
Two solid spheres A and B are made from the same material. The mass of sphere B is eight times that of sphere A. If the radius
1. 1 answer
2. 817 views
A car is driven from point A to B at a constant speed of 25.0 m/s along a straight line, and then back from point B to A at a
1. 1 answer
2. 473 views
The speed (v) of an ocean wave depends on its wavelength ë (measured in m/s) and the gravitational field strength g (measured
1. 0 answers
2. 513 views
Two solid spheres A and B are made from the same material. The mass of sphere B is eight times that of sphere A. If the radius
1. 1 answer
2. 1,196 views
The velocity of a particle is given by the relation v(t)=(-5.00 x 10⁷)t² = (3.00 x 1065)t. At time t=0, the particle is
1. 0 answers
2. 488 views
The position of an object changes with time according to the expression x(t) = 5t62 = 3t - 1. What is the position of the object
1. 0 answers
2. 368 views
A car is driven from point A to B at a constant speed of 25.0 m/s along a straight line, and then back from point B to A at a
1. 1 answer
2. 490 views

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