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AJ
Questions and answers by visitors named
AJ
Questions (350)
A sample of water decomposes to make 4g of hydrogen gas and 32g of oxygen gas. What mass of water decomposed? How do you know?
Hi
4 answers
1,805 views
QUESTION 1
-It is important to upgrade your skills as the career world is in a constant state of change. *True False QUESTION 2
4 answers
3,667 views
You are making cookies. One recipe calls for 4 cups of chocolate morsels for 3 batches of cookies.. A second recipe calls for 5
5 answers
1,986 views
30-second oral question
The expression 9(2018^2)+20180+4040 is a square of what positive integer?
5 answers
1,055 views
East Asian nations have imposed tariffs and other trade barriers to protect their industries, but these barriers have economic
4 answers
1,709 views
A 2-column table with 7 rows. The first column is labeled x with entries negative 5, negative 3, negative 1, 1, 3, 5, 7. The
6 answers
4,049 views
What are the building blocks for nucleic acids DNA and RNA?
DNA (deoxyribonucleic acid) and RNA (ribonucleic acid) are polymers
3 answers
812 views
I need to do a report on the Mediterranean. I need to know the growing seasons and animals in the Mediterranean.
PLEASE HELP
1 answer
1,093 views
a hat on a grid has coordinates of (0,4), (0,1), (6,1), (4, 2), (4,4), (3,5), (1,5), and (0,4). What rule would make a hat with
1 answer
364 views
If the scale factor from a small figure to a large figure is given as a percent, how can you find the side lengths of the large
1 answer
433 views
When 23.18 g of element A react completely with 48.08 g of E, compound A2E is formed. When 11.70 g of A react with 22.57 g of G,
1 answer
509 views
A mathematics education researcher is studying where in high school
mathematics texts it is most effective to insert questions.
1 answer
488 views
For many global companies, China represents a very attractive market in terms of size and growth rate. Yet, it ranks lower in
1 answer
507 views
The water in a beaker has a mass of 18g. Electricity is passed through the water for two hours. Afterward the water has a mass
3 answers
1,864 views
In the Boston Massacre, How did the colonists object to the presence of the soilders in Boston!
3 answers
570 views
In a car gas tank, 46.0 g of gasoline burns consuming 173 g of oxygen. The resultant products are carbon dioxide are carbon
3 answers
954 views
hi
i need a sentence for partisan... please help
3 answers
265 views
How do you determine the type and number of each type of element in H2SO4?
1 answer
369 views
5. For the decimal 8.62354:
What is the place value of 5? A) Hundredths B) Thousandths C) Ten-thousandths D) Hundred-thousandths
2 answers
910 views
Can 89/13 151/11 or 223/23 be simplified?
I think none of the 3 can be simplified
7 answers
614 views
Do the indicated addition. 3 + 4 + 8=15 right
7 12 15 17
1 answer
297 views
whats the differences in magnitudes of the sun and sirius?
2 answers
565 views
Let's say we are given 1.0 mol of an ideal gas, and we are given a starting temperature, and and initial pressure the gas
1 answer
498 views
What is more important for the researcher to be concerned about in a study, Type I or Type II errors? Why?
4 answers
348 views
what type of statistics are used in manufacture company's
1 answer
321 views
Take one of the Emotional Intelligence tests at the sites listed below. Reflect on your results and explore ways that you might
2 answers
633 views
Help to unscramble LGANNVEI AGTEN
7 answers
391 views
What is the product of mixing solid AgCl in a solution of HCl? Is it just AgCl + HCl, or is it AgCl2 + H2 (ignoring balancing
2 answers
574 views
I had to find the absolute zero from a graph with the following points:
Temperature (K) / Volume (mL): 318 4.5 308 4.3 303 4.1
2 answers
513 views
I need help with these two problems:
1.The H-Cl bond has a frequency of vibration of 8.662 multiplied by 10^13 Hz. What
2 answers
525 views
Simpliby an expression
(3(4))2
1 answer
293 views
i need to do a 3 page paper on joan of arc's trial, but i don't know what information to put. can you please help me make a
4 answers
437 views
explain how the principle of diminishing marginal utility is related to the downward sloping demand curve?
1 answer
355 views
describe the difference between the income effect and the substitution effect
1 answer
391 views
distinguish between the individual supply curve and the market supply curve
1 answer
325 views
describe four advantages of using price as an allocating mechanism?
2 answers
788 views
Which of the following contains only positive statements, rather than normative statements?
A. The unemployment rate is high
2 answers
536 views
The freezing point depression of a 0.100 molality solution of NaCl(aq) solution is 0.34 deg C. Calculate the % dissociation of
6 answers
1,206 views
When salt is spread on snow covered roads at -2 deg C, the snow melts. When the same amount of salt is spread on snow covered
1 answer
396 views
FACTOR THE EXPRESSION COMPLETELY
9x^3 + 36x^2 - x - 4
2 answers
562 views
How do you solve (1/x)=c+(1/b) for x?
3 answers
296 views
How would you solve (a-2)/(a+3)=3/5 for a?
1 answer
247 views
Explain the accounting purpose of each general ledger cycle
1 answer
460 views
Ok this is for a lab we are doing for equilibrium and absorbance and concentration, so i don't know if anyone can answer this.
Qu
3 answers
481 views
what are the human activities in the innuitian mountains?
9 answers
2,566 views
What happens to an overhead power cable suspended from pylons in
a)winter b)summer Explain your answer.
1 answer
291 views
If you are wearing a watch, what energy changes are taking place in it right now?
10 answers
1,989 views
9x + 2 = 13 divided by 5
3 answers
305 views
Given the function f(x) = 1/(sqrt x)
a. Does f(x) exist at x=0? b. Does f'(x) exist at x=0? c. Explain why integral (from 0->1)
4 answers
797 views
two trains leave a train station at the same time. One travels east at 10 miles per hour, the other travels west at 9 miles per
2 answers
1,178 views
A S.S. automobile travels N at 40 km/h and a P.A. automobile travels E at 50 km/h. Relative to the observer riding in the S.S.
1 answer
399 views
(a) In 2000 a club has 40 members who each pay $120 annual subscription. What is the total income from subscriptions?
(b) In 2001
1 answer
436 views
Please provide me some links to websites where I can buy and download US High School text books. I am now in a UK based school
2 answers
572 views
A man and his wife share a sum of money in the ratio 3:2. If the sum of money is doubled, in what ratio should they divide it so
2 answers
566 views
An aircraft on its take-off run has a uniform acceleration of 3m/s^2.What velocity does the aircraft gain in 4s?
2 answers
1,060 views
the solubility of Ag3PO4 (in water) is 6.7 x 10^-3 g/L. what is the molar solubility>
2 answers
754 views
how is the number of zeros in the quotient of 420 divided 7 = 60 related to the number of zeros in the dividend
3 answers
359 views
A projectile was fired at 35 degrees above the horizontal. At the highest point in its trajectory its speed was 200 m/s. If air
3 answers
1,472 views
How do you think you could increase the purity of the nitrogen gas?
1 answer
366 views
If you were given an unknown solution, write the steps that would be needed to prove that a solution contained phosphate.
2 answers
563 views
Find the equation of the parabola whose axis is horizontal, vertex on the y-axis and which passes through (2,4) and (8,-2).
4 answers
1,651 views
Find the equation of the parabola with axis parallel to the x-axis and passing through (3/2,1),(5,0) and (-1,2).
4 answers
2,250 views
Explain why the U.S. supported a policy of the open door?
1 answer
474 views
list two reasons that stereotypes creted by propaganda may gave affected the deciosion to drop the atomic bomb on japan
1 answer
335 views
A bag contains forty coins, all of them either 2c or 5c coins. Let there be x 2c coins and y 5c coins. If the value of money in
2 answers
559 views
Find the centroid of the region bounded by the curve sin x on the interval (0, pi) and the x-axis.
Please help
3 answers
1,381 views
How do you go about drawing a 1/4 mile running track?
1 answer
343 views
A 500g block is released from rest and slides down a frictionless track that begins 2m above the horizontal. At the bottom of
4 answers
2,013 views
1) The F2 progeny from a cross exhibits a modified dihybrid ratio of 9:7 instead of 9:3:3:1. What phenotype ratio would be
2 answers
553 views
express as a single log:
1/2 log x + 3 log y - 4 log x =
2 answers
995 views
Calculate the number of sides of a regular polygon whose interior angles are each 156 degrees.
2 answers
729 views
A wire is stretched from the top of a 12-foot pole to a stake in the ground and then to the base of the pole. If a total of 20
3 answers
1,089 views
Let f be the function given by: f(x)=1/5x^5/2+x^-1/2, for all x in [1,4]. Find the length of the graph of f.
1 answer
352 views
How many moles of Ca(NO3)2 are needed to make 0.250 liters of a 0.200 M Calcium nitrate solution?
2 answers
648 views
Find the volume of a rectangular solid with the following dimensions: 2√3 cm x 7√5 cm x 4√6 cm.
2 answers
1,153 views
An ac generator supplies an rms voltage of 5.00 {\rm V} to an RL circuit. At a frequency of 21.0{\rm kHz} the rms current in the
2 answers
553 views
Two point charges are placed along a horizontal axis with the following values and positions: +3 µC at x = 0 cm and - 12 µC at
4 answers
1,299 views
The lowest A on a piano has a frequency of 27.5 Hz.
Assume: The tension in the A piano wire (of length 0.51 m) is 305 N, and
2 answers
531 views
A harmonic wave is traveling along a rope. It is observed that the oscillator that gener- ates the wave completes 38.9 in 27.4
1 answer
408 views
To demonstrate standing waves, one end of a string is attached to a tuning fork with frequency 120 Hz. The other end of the
3 answers
1,766 views
The length of a string is 344 cm. The string is held fixed at each end. The string vibrates in two sections; i.e., the string
1 answer
519 views
A pipe that is open at both ends has a fundamental frequency of 330 Hz when the speed of sound in air is 333 m/s.
What is the
4 answers
2,138 views
A length of organ pipe is closed at one end.
If the speed of sound is 344 m/s, what length of pipe is needed to obtain a funda-
4 answers
2,479 views
A variable-length air column is placed just below a vibrating wire that is fixed at the both ends. The length of air column open
3 answers
1,745 views
A harmonic wave is traveling along a rope. It is observed that the oscillator that gener- ates the wave completes 38.9 in 27.4
1 answer
383 views
The lowest A on a piano has a frequency of 27.5 Hz.
Assume: The tension in the A piano wire (of length 0.51 m) is 305 N, and
1 answer
713 views
Standing-wave vibrations are set up in a crystal goblet with four nodes and four antin- odes equally spaced around the 26.3 cm
1 answer
397 views
To demonstrate standing waves, one end of a string is attached to a tuning fork with frequency 120 Hz. The other end of the
2 answers
1,466 views
The length of a string is 344 cm. The string is held fixed at each end. The string vibrates in two sections; i.e., the string
1 answer
530 views
A length of organ pipe is closed at one end.
If the speed of sound is 344 m/s, what length of pipe is needed to obtain a funda-
2 answers
538 views
A variable-length air column is placed just below a vibrating wire that is fixed at the both ends. The length of air column open
1 answer
703 views
Beth, a construction worker, attempts to pull
a stake out of the ground by pulling on a rope that is attached to the stake. The
3 answers
917 views
Using the midpoints approach to the cross elasticity of demand-calculate the cross eleasticity the demand for golf at all 3
1 answer
851 views
Please show me the work so i understand
2. Find the reference angle of -11π/3. 5. If �θ = –18°, find the exact value of θ�
2 answers
571 views
32 subjects in a study were recruited by advertisements to participate in a study of attitudes and values toward wine.
What
1 answer
425 views
What type of clause or phrase is italicized in the sentence below?
The play, a three-act farce, amused everyone.
4 answers
857 views
If
sin(x) = 1/3 and sec(y) = 29/21 , where x and y lie between 0 and π/2, evaluate the expression using trigonometric
4 answers
4,536 views
Uranium-238 is less stable than oxygen-16. What accounts for this difference?
(A) Uranium is a solid, while oxygen is a gas. (B)
4 answers
1,293 views
A firefighter of mass 73 kg slides down a vertical pole with an acceleration of 5 m/s2. The acceleration of gravity is 10m/s2.
4 answers
3,097 views
If I has plots of (3,2) and (8,6) how would I find the area in square units
1 answer
371 views
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