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Al

Questions (163)

5 45a 2a 10b b 40 2 6 ? 2 5c What is the missing algebraic expression?
1. 0 answers
2. 386 views
5 4 10b b 6 ?5a 2a 40 2 2 5c The above numbers are presented in 3 sets of 4 boxes each. What is the missing algebraic expression
1. 0 answers
2. 372 views
If A=(x-y)-z and B=x-(y-z), then A-B= what?
1. 1 answer
2. 349 views
factor labels200ml per hour to kl per year
1. 1 answer
2. 891 views
Should I use a comma after story and after the question mark as shown below?“Have you ever read the story, ‘The Tell-Tale
1. 1 answer
2. 601 views
Can you tell me if everything is correct?Final Grammar Test Part I: True or False 1. The following word group is a FRAGMENT:
1. 3 answers
2. 1,013 views
It takes 175 kJ of work to accelerate a car from 23.9 m/s to 27.7 m/s. What is the car's mass?
1. 1 answer
2. 424 views
what is the square root of 5 divided by 2 times the square root of 125?
1. 0 answers
2. 319 views
Consider the expected conductivities of CaCl2(aq) and Ca(OH)2(aq). Which of these can be expected to have the higher
1. 1 answer
2. 1,519 views
I solve this equation by the substitution method 7x-4y=13 x=3 and I got y=2 and x=3 am I right.Thanks
1. 1 answer
2. 506 views
solve equations by elimination2x-6y=3 (1) 4x+9y=-1 (2)
1. 2 answers
2. 396 views
Need help with this problem Substitution5x-3y=-11 (1) 3x+2y=1 (2)
1. 1 answer
2. 395 views
A volume of 25.0 mL of 0.100 M CH3CO2H is titrated with 0.100 M NaOH. What is the pH after the addition of 12.5 mL of NaOH? (Ka
1. 1 answer
2. 737 views
Show that (1-2*x*y+1)/(x^2*y-x) simplifies to -2/x
1. 1 answer
2. 295 views
(c) A force vector with a magnitude of 44 lb that is in the third quadrant with an x component whose magnitude is 38 lb.find
1. 0 answers
2. 407 views
(c) A force vector with a magnitude of 44 lb that is in the third quadrant with an x component whose magnitude is 38 lb.find
1. 0 answers
2. 447 views
(c) A force vector with a magnitude of 44 lb that is in the third quadrant with an x component whose magnitude is 38 lb.
1. 0 answers
2. 388 views
If you had 5 grams of Na and 5 grams of Br, which would have more atoms
1. 1 answer
2. 366 views
If you had 5 grams of Na and 5 grams of Br, which would have more atoms
1. 0 answers
2. 315 views
How can I find the derivative of y = [ln(x+4)^3]^2 ?
1. 1 answer
2. 361 views
Statement: Most compounds that produce this in aqueous solution are ionic. Does this statement refer to an acid or a base or
1. 4 answers
2. 463 views
sin y = x^2 = y in an open interval 0¡Ü x ¡Ü 2¦Ð find dy/dx
1. 0 answers
2. 337 views
Suppose that a set of test scores from a class you teach is symmetric and bell-shaped. That's means that there are some scores
1. 1 answer
2. 557 views
Synthesis sqrt(2*x^2-5*x-12)
1. 1 answer
2. 316 views
The solubility of calcium sulfate at 30 degrees C is .209 g/100mL solution. calculate its Ksp.
1. 1 answer
2. 523 views
A diver running 1.2 m/s dives out horizontally from the edge of a vertical cliff and reaches the water below 3.1 s later. How
1. 1 answer
2. 951 views
In cost in millions of dollars to remove x% of pollution is a lake modeled by C=5,000 over 200-2x.(a) What is the cost to remove
1. 1 answer
2. 812 views
NH3(g) + 202(g) = HNO3(aq) +H2O (l)Is this reaction a combination, decomposition, single replacement, double replacment or
1. 6 answers
2. 895 views
For the reaction P4(s) + O2(g) = P4 O10(s)Identify the limiting reaction mixture conataining 1.00 mol each of P4 and O2
1. 1 answer
2. 395 views
How much heat would be required to warm Earth's oceans by 1.0 degree celsius ? Assume that the volume of Earth's oceans is
1. 2 answers
2. 2,673 views
When ice melts, it absorbs 0.33 kJ per gram.How much ice is required to cool a 11.0 oz drink from 75 degree Fahrenheit to 37
1. 2 answers
2. 737 views
Global warming refers to the rise in average global temperature due to the increased concentration of certain gases, called
1. 1 answer
2. 1,390 views
When ice melts, it absorbs 0.33 per gram.How much ice is required to cool a 11.0 drink from 75 to 37, if the heat capacity of
1. 1 answer
2. 674 views
does the color of shingles affect the temperature inside your house?
1. 0 answers
2. 372 views
Five numbers are to be picked, without repetition, from 44 numbers to determine the winner of the Fortune Five game in the state
1. 1 answer
2. 570 views
Which of these is a simple sentence and why? 1) Karen and David arrived at the airport at 3:35 p.pm and took a taxi to their
1. 1 answer
2. 696 views
A worker tearing down a barn uses a crowbar 4feet long with the shorter endbeing 2 inches from the fulcrum. If the worker can
1. 2 answers
2. 525 views
convergent or divergent?a_n = (sin2n)/(1+n^1/2)
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2. 325 views
Solve the integral:S (e^-cosx)(x^2)dx
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2. 294 views
How can you use the measures of the interior angles of regular polygons to show that a platonic solid cannot be made from
1. 1 answer
2. 1,357 views
Maximize z=16x + 8y subject to:2x + y<30 x +2y<24 x>0 y>0
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2. 482 views
Maximize z=16x + 8y subject to:2x + y<30 x +2y<24 x>0 y>0
1. 2 answers
2. 511 views
(1) A virtual image -7 cm tall and 17 cm away from a mirror is created by an object 7 cm away from a mirror. How tall is the
1. 2 answers
2. 687 views
A 5 kg mass is thrown up with a velocity of 4 m/s from a height of 30 m onto a spring with a relaxed length of 10 m, and a
1. 3 answers
2. 449 views
A plant is placed in bright sunlight. After a few hours, one of its leaves is stained with iodine solution. Which structure will
1. 1 answer
2. 702 views
what is the answer to this, please work it out. this is a fraction but i could not format it as such.Thanks! 5x(2)(squared) -
1. 1 answer
2. 530 views
Describe what the graph of interval [-4,10] looks like.
1. 1 answer
2. 400 views
Find the volume of the solid obtained by rotating the region enclosed by the graphs of y=15-x, y=3x+11 and x=0 about the y-axis.
1. 1 answer
2. 933 views
A 50 kg skater pushed by a friend accelerates 5 m/sec. How much force did the friend apply?
1. 2 answers
2. 1,673 views
Hi,3D GEOMETRY (P) a surface. (AB), (AC), (BC) lines that intercept the surface in three points M1, M2, M3. We have Vector(M1A)
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2. 537 views
SUPPOSE THAT THE ELECTRIC POTENTIAL OUTSIDE A LIVING CELL IS HIGHER THAN THAT INSIDE THE THE CELL BY .068 V. HOW MUCH WORK IS
1. 1 answer
2. 660 views
these are some questions i am having trouble with:1. what margin is required to ratify treaties 2. where in the constitution is
1. 1 answer
2. 850 views
How many valence electrons does molybdenum have? (give only 1 answer)Go to this site and look for the electrons available in the
1. 1 answer
2. 5,890 views
How many valence electrons does molybdenum have?it depends, it can either have valence electrons of 6,5,4,3,2.
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2. 1,118 views
For each reaction in a lab I have to write:1. the balanced molecular equation including states of matter 2. the balanced
1. 0 answers
2. 706 views
explain a theme in the great gatsby, multiple paragraphsWhat theme do you want to explain? Please post your answer here and
1. 0 answers
2. 637 views
How does the American dream play a part in the tragedy of Jay Gatsby?Please post your answer and we'll be glad to critique it.
1. 0 answers
2. 519 views
1/x + 1/x+2 =11/60What's the first step to find value of x? Multiply both sides of the equation by x(x+2) You get: x+2 + x =
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2. 455 views
The sum of the reciprocals of two consecutive even integers is 11/60. Find the integers.......1/n + 1/(n+2) = 11/60 what is the
1. 1 answer
2. 1,730 views
How do I find 1 positive and 1 negative coterminal angle for:1) -460 degrees 2) 11pi/4 3) -12pi/5 WERE DO YOU GO TO GOOGLE
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2. 930 views
Angel's car gets 32 miles per gallon and Mo's car gets 22 miles per gallon. When traveling from Morgan Run to Clinton, they both
1. 0 answers
2. 555 views
Can anyone help me?Here's what I'm looking for: Col. A = Base period number Col. B = Given number this current period. NEEDED:
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2. 645 views
Am getting frustrated w/failing to get Quattro Pro formula right. Here's what I'm looking for:Col. A = Base period number Col. B
1. 0 answers
2. 1,221 views