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Jack
Questions and answers by visitors named
Jack
, page 2
Questions (1,125)
solve
(x+16)*(x-19)*(x+3)>0 The soltion set is{x| } I do not understand this one.
1 answer
399 views
Is there a way to express the verb 'must' such that it means the subject does not have to do something? See:
I must go. -- I have
6 answers
407 views
Mulitiply. (c+d)(c^2-cd+d^2)=c^3+d^3
is this correct.
3 answers
332 views
In the statement, "Men are more violent than women," violence is the:
a. dependent variable b.independent variable c. intervening
3 answers
546 views
Which of the following is(are) true of culture
a. participation in the elite forms of culture is expensive b. familiarity with
2 answers
509 views
what are some structural, behavioural, and physical adaptations of a goldfish?
4 answers
810 views
When setting up a production set, what else is important to financial success, aside from linear programming?
1 answer
385 views
what is the domain and range of -4 + 3^(x+2)
5 answers
305 views
Consider the interrelatedness of everything in the cosmos as it is expressed in many indigenous religions. How do you think the
5 answers
672 views
1. What constant acceleration, in SI units, must a car have to go from zero to 69.0 mph in 13.0s ?
2. What fraction of g is this?
3 answers
455 views
use a subordinate clause with one sentence.
The city had one public pool, it stayed packed with children all summer long.
1 answer
421 views
make 2 sentences
Viewers saw two people smashed by a boat, one person choked, and another shot to death, what purpose does this
4 answers
401 views
What are the cultural differences between the French and Iroquois?
1 answer
208 views
A rocket blasts off with acceleration of 5 m/s squared. After 1 min it runs out of fuel. What is the max height and total time
1 answer
881 views
Stuck again. The paper just says that the position of an object is given by s(t)=t^3. When T=5sec find
A. Position B. Velocity C.
1 answer
1,034 views
What is the Buddhist concept of the self/
1 answer
200 views
Draw a lewis structure for BrO4- in which all atoms have the lowest formal changes. Indicate the values of nonzero formal
3 answers
1,873 views
I am supposed to divide (x^3+6x^2-20) by x^2+2, using long division. I know it's very difficult to type long division on the
2 answers
551 views
In y=mx+b, the y-intercept is given by the value of m. True or False
1 answer
395 views
You wish to produce a human enzyme, protein A, by introducing its gene into bacteria.The genetically engineered bacteria make
1 answer
731 views
All known proteins in cells adopt a single stable conformation because
(a) any chain of amino acids can fold up into only one
2 answers
580 views
Solve: x^2 + 30 + 5x + 24 = 90
1 answer
304 views
A slice of pizza has 500 kcal. If we could burn the pizza and use all the heat to warm a 50–L container of cold water, what
3 answers
1,062 views
Can someone help me with this:
Descibe how to construct a histogram for a set of data and Describe how to construct a box plot
1 answer
430 views
where can I find a website for idioms tat are hard to find. An example is acts like a hotdog or full of soup.
1 answer
393 views
Calculate the solubility of silver chloride in a solution that is 0.140 M in NH3.
3 answers
1,152 views
thunder is heard 4.5 seconds after the flash of lightning is seen. How far away was the lightning flash and how long did it take
2 answers
851 views
You have a badly tarnished silver teapot. The tarnish is a result of the silver metal reacting with the oxygen in the air
4 answers
1,183 views
Crustaceans grow by doing what?
1 answer
377 views
Perform the operation and write the result in standard form.
8 + 20i over 2i Please explain, I am very confused!!
2 answers
711 views
Perform the operation and write the result in standard form.
1 + i over i - 3 over 4 - i Do I have to multiply top and bottom by
3 answers
1,224 views
I had to graph the following data and find the slope:
Normal Force: Frictional Force: 0 0 2.0 0.6 6.0 1.8 9.0 2.7 10.0 3.0 The
2 answers
844 views
Find all the zeros of the function.
t^3 - 3t^2 - 15t + 125 Please explain. I am very confused on how to do this!!
3 answers
1,069 views
Find all the zeros of the function.
f(x) = x^3 + 11x^2 + 39x + 29 I found one of the zeros = -1 but I am confused on how to find
2 answers
633 views
I just need help on this passage...
To be a King, and wear a Crown, is a thing more glorious to them that see it, than it is
3 answers
554 views
Find a polynomial function with integer coefficients that has the given zeros.
0,0,4,1+i Please explain!! I am very confused.
4 answers
792 views
Solve: (3-2) - (2-3)
1 answer
239 views
use the given zero to find all the zeros of the function.
f(x) = x^3 + x^2 + 9x + 9 r = 3i I do not understand this!!
2 answers
515 views
How long has the Galapagos Tortoise been in existence?
1 answer
396 views
How has the Galapagos Tortoise changed or adapted over time?
2 answers
555 views
I need to know the four works that the creature in the novel Frankenstein read!
Paradise Lost, Plutarch's Lives and Sorrows of
4 answers
376 views
I also need to find four different works that could be used to substitute the four that the creature read in the novel
1 answer
368 views
Why is it beneficial that many predatory fish have larval and juvenile stages that feed at a low trophic level, while the adults
3 answers
473 views
The book Dracula can be substituted for which book read by the creature in the novel Frankenstein?
Paradise Lost Ruins of Empires
1 answer
436 views
I have $100.00 dollars to spend to buy 100 animals. Cows cost $50.00 each, sheep cost $3.00 each, pigs cost $2.00 each and
2 answers
1,219 views
(4 x 1/2 + .87 + 17/16 = 22a -7.64 x 0.19 x 0 -1.87 + 3.1416) / 13
1 answer
342 views
(6/7 x 4p + 3/4 - 8/19) (5p - 9x .88 x 0 /4) x 10%
1 answer
235 views
(4 x 1/2 + .87 + 17/16 + 22a -7.64 x 0.19 x 0 -1.87 + 3.1416) / 13
1 answer
296 views
Is the Board of Governors influenced by Political Consideration?
1 answer
329 views
How can you use study techniques recommended for your personality type and strongest intelligence(s)to function best in distance
2 answers
918 views
An object traveling at 5.0 m/s East has a mass of 6.0 kg. What is the magnitude of the object's momentum?
I am not sure what the
3 answers
807 views
Do you help with accounting homework?
3 answers
386 views
if an obejct has an horizontal acceleration of -0.51 m/s squared and vertical acceleration of -7.683 m/s squared, what is the
1 answer
371 views
what are the chemical properties of scandium
1 answer
353 views
1) The type of learning that involves reasoning, problem solving, language, memory, association of ideas, and other mental
3 answers
751 views
1)When conditioning takes place, behavior is associated with?
a. ideas b. stimuli, consequences, or both c. events in the
4 answers
509 views
Suppose David Ortiz hits a home run which travels 361. feet (110. m). Assuming it left the bat at 50.°, how fast was it hit?
2 answers
1,059 views
I need help with an inverse function. If f(x)=3-x, I find the inverse function to be: x=3-y which is the same as y=3-x, same as
3 answers
336 views
How does the portuguese man of war contribute to science?
1 answer
329 views
Mr. Havel bought a car for $2400 and sold it for $2700. what was the percent of profit for Mr. Havel in selling the car?
5 answers
2,408 views
What does conduissez mean in french?
3 answers
830 views
Find the exact value of sec 60°tan135°-cot60°sin60°
2 answers
770 views
how do i compute a problem like
4/7 * 2/3 * 6
1 answer
315 views
A car with a mass of 100 kg, with initial v = 1 m/s, has 60 Joules of energy added for 50 m. What is the final velocty?
I'm using
4 answers
371 views
why does magnesium dissolve quicker in strong acid
1 answer
321 views
I added 40 mL of NaOH 1N to rise the pH of 10g teriphitalic acid from 5.3 to 6.3, so if I adde the same 40 mL of NaOH to 12g of
1 answer
318 views
All of the following account for nativist sentiment against the New immigrants of the late 19th century EXCEPT that the
5 answers
3,308 views
Find the number of K atoms, C atoms, and O atoms in 95.5g of K2Cr2O7. (Potassium 2, Chromium 2, Oxygen 7).
1 answer
430 views
How many grams of oxygen are there in 100.0 grams of water? What percentage of the mass of water is oxygen?
2 answers
474 views
Which of the following are empirical formulas?
A) Ribose (C5H10O5) B) Ethyl Butyrate (C6H12O2) C) Chlorophyll (C55H72MgN4O5) D)
3 answers
3,168 views
Convert 12 fluid ounces liters. (1 fl. oz = 29.57 cm^3)
1 answer
354 views
How many carbon atoms are there in 150.0 g Glucose? (Glucose is C6H12O6, molar mass = 180.16 g/mol)
4 answers
2,288 views
How many neon atoms are there in five moles?
3 answers
751 views
The mass of twenty-three dozen pencils is 1.496 kg. What is the mass of 1 pencil?
1 answer
471 views
Find the molar mass of Chromium (III) Hydrogen Phosphate. Also, what is the chemical formula for this molecule?
2 answers
656 views
Compound A contains 1.75g nitrogen and 3.99g oxygen. Compound B contains 19.6g nitrogen and 56.0g oxygen. Are compounds A and B
1 answer
458 views
which has the highest lattice energy BaO or SrO
5 answers
2,976 views
Write Skeleton equations for these reactions.
A) Heating Copper(II) sulfide in the Presence of diatomic oxygen produces pure
4 answers
3,756 views
Write and balance equations for the following reactions.
A)Iron metal and Chlorine gas react to form solid iron(III) chloride.
5 answers
7,325 views
Balance the following equations.
A) SO2 + O2 --> SO3 B)Fe2O3 + H2 --> Fe +H2O C)P + O2 -->P4O10 D)Al + N2 --> AlN
2 answers
1,041 views
Solid aluminum carbonate decomposes to form solid aluminum oxide and carbon dioxide gas.
Is Al2(CO3)3 ==> Al2O3 + CO2 the right
5 answers
10,909 views
An electric field exerts a force of 3.00 E-4 N on a positive test charge of 7.20 E-4 C. The magnitude of the field at the
3 answers
1,200 views
Complete and balance this equation for a combination reaction.
Be + O2 ==> Would it be Be + O2 ==> BeO2 ? or... 2Be + O2 ==> 2BeO
3 answers
2,828 views
Complete and balance this decomposition reaction
HI ==> is this reaction HI ==> H + I ? or... HI ==> H2 + I2 ? why?
3 answers
1,047 views
Classify each reaction and balance the equations.
Al(OH)3 ==> Al2O3 + H2O
3 answers
1,863 views
How do you balance
Al(OH)3 --> Al2O3 + H2O Why does the OH decompose into O3 and H2O??
1 answer
449 views
Identify the precipitate formed when solutions of these compounds are mixed.
H2SO4 + BaCl2 ==> So when you do the double
4 answers
2,689 views
Is 2HCl soluble in water?
Is BaSO4 soluble in water?
1 answer
448 views
Hi, I've been having issues with solving this problem. Could anyone help?
Two blocks, of masses M = 2.0 kg and 2M are connected
4 answers
697 views
Write the 12 mole ratios that can be derived from the equations for the combustion of isopropyl alcohol.
2 C3H7OH(l) + 9 O2(g)
3 answers
3,555 views
If 7.24 kJ of heat is applied to a 952 g block of metal, the temperature increases by 10.7 degrees Celsius. Calculate the
2 answers
1,160 views
In a reaction chamber, 3.0mol of aluminum is mixed with 5.3mol Cl2 and reacts. The reaction is described by the following
3 answers
4,551 views
What happened to Andrew Jackson when he was eight years old?
7 answers
482 views
The molecules water (H2O) and methane (CH4) have similar masses, but methane changes from a gas to liquid at -161 degrees C.
2 answers
978 views
The cost principle requires that when assets are acquired, they be recorded at
3 answers
1,651 views
Which of the following substances dissolve to a significant extent in water? Explain your answer in terms of polarity.
a) CH4 b)
3 answers
1,681 views
Given that tan(pi/2) = a. Express tan(x) and sin(x) in terms of a. Hint: Use the fact that x = 2.(pi/2)
3 answers
367 views
What is the freezing point of each solution?
a)1.40mol Na2SO4 in 1750 g H2O b)0.060 mol MgSO4 in 100g H2O
3 answers
1,443 views
What is the freezing point of each solution?
a)1.40mol Na2SO4 in 1750 g H2O Are these the right steps? 1.40mol Na2SO4 / 1.75kg =
4 answers
2,959 views
What were the differing politucal and economic systems between the US and Soviet Union that helped lead to the Cold War?
I know
2 answers
566 views
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