c

This page lists questions and answers that were posted by visitors named c.

Questions

The following questions were asked by visitors named c.

I am having trouble finding the greatest common factor when there is a variable. I have these two problems I need help with. 1. what is the GCF of 7x^2 and 14x^3 2. what is the GCF of 4x^5 and 6x^7 The exponents are throwing me off. http://www.math.com/sc...
18 years ago
What is a discriminant? m_s_n encarta dictionary it explains it well In quadradic equations of the form ax^2 + bx + c = 0, the discriminant is b^2 - 4 ac.
18 years ago
operating conditions 250-300 celcius and 50-100 atmospheres are consistent with the aims of achieving a high equilibrium yield of methanol and a high rate of production. noting any conflicts, explain the role of a copper catalyst noting how its presence h...
18 years ago
ABC is a right-angled triangle atB. AB=(3x+2)cm and BC=2CM.GIVEN THAT THE AREA OF THE TRIANGLE IS 85CM SQUARE FIND THE VALUE OF X. Say that the height= 3x+2 base= 2 Area of a triangle equals 1/2 base times height so... (1/2) of the base is 1 and 1 times t...
18 years ago
Do Tariffs help us to maintain a favorable balance of trade and balance of payments?
18 years ago
what are some chemical properties of pressure treated wood?
17 years ago
what would happen if cytokinesis occured without mitosis???
17 years ago
Determine whether the following are endothermic or exothermic. 2H2O2 (l) ¨ 2H2O(l) + O2(g) ∆H = -190 kj C(s) + H2O (g) ¨ CO (g) + H2 (g) ∆H = +113 kj C4H9OH(l) + 6 O2(g) ¨ 4 CO2(g) + 5 H 2O(g) ∆H = -2456.1 2 C(s) + H2(g) ¨ C2H2(g) ∆H = +226.71 N2O5(s)...
17 years ago
what instrument is used to measure water vapor content of air?
17 years ago
1.2g projectil e shot horiz. at a speed of 105m/s off a 124m high cliff. a) determine time taken by the projectile to return to the ground..
17 years ago
As a project manager, you are looking forward to completing your current project and then taking a European vacation with your bonus money. Shortly before bonuses are expected, however, you realize your team just missed reaching the financial goal for the...
17 years ago
I need help with unscrambling these letters into 2 words ecnoevprmisrirtam.only hint it has to do with canada.
16 years ago
ii) What is the formula of 1, 3-butadiene
16 years ago
I'm confused as how to find the current for a circuit with both parallel and series resistors? R1 = 2 Ù R2 = 5 Ù R3 = 11 Ù R4 = 10 Ù V = 7 V R2 and R4 are parallel, then these are in series with R3, then this whole system is in parallel with R1. I need to...
16 years ago
solve the inequality x+3/x-2 less then or equal to 0
16 years ago
Struggling to answer completely and logically, please critique the below: Question: What were the similarities and differences between the five regions of British Colonial America and what factors worked to create a shared “American Identity” by the mid 1...
16 years ago
A race car accelerates from rest at 5.7m/s squared. how fast will it be going at the end of that time? i need the abc method...( a-all variables, unknown 1st...b-right formula and algebraically rearrange it..c- solve it0
15 years ago
on heating the hydrate CaSO4*2H2O, how many moles of water should be driven off per mole of hydrate? 1 mole?
15 years ago
calculate the percent water in CaSO4*2H20 20.9%?
15 years ago
if you heat 15.00g of the hydrate CaSO4*2H20, and drive off the water, what is the weight of the anhydrous salt remaining? How do I go about solving this?
15 years ago
CaSO4.2H2O ==> CaSO4 + 2H2O moles CaSO4.2H2O = 15.00 g x (1 mole CaSO4.2H2O/172.172) = 0.08712 moles. moles CaSO4 = same. grams CaSO4 = moles CaSO4 x molar mass CaSO4 = ?? Wait,.. how do I know the moles CaSO4? do I do .08712* CaSO4's gfm?
15 years ago
Given a 10.0g sample of MgCO3*5H2O, what weight of anhydrous magnesium carbonate can be obtained after driving off the water? The GFM of the sample is 174.3amu. Now.. how do I go about finding the weight of the magnesium carbonate?
15 years ago
Given a 10.0g sample of MgCO3*5H2O, what weight of anhydrous magnesium carbonate can be obtained after driving off the water? 84.3g?
15 years ago
help me unscramble iritoncf
15 years ago
Considering that a researcher can test at the <p = .05 (95%), p = .01 (99%), or p = .001 (99.9%) level for statistical significance, how would you use these three levels in relationship to risk to patients in implementing the decisions of your research?
15 years ago
Determine the coordinates of the point of intersection of the two perpendicular lines that intersect on the y-axis and are both tangent to the parabola given below. y = 3x2
15 years ago
The U.S army's parachuting team, the Golden Knights, are on a routine jumping mission over a deserted beach. On a jump, a 65 kg Knight lands on the beach with a speed of 4.0 m/s, making a .20 m deep indentation in the sand. With what average force did the...
14 years ago
What is the difference in blood pressure (mm-Hg) between the top of the head and bottom of the feet of a 1.008 m-tall person standing vertically?
14 years ago
In the figure , suppose C_1 = C_2 = C_3 = 18.0 <units>\mu F</units>.If the charge on C_2 is Q_2 = 33.0 <units>\mu C</units>, determine the charge on each of the other capacitors.
14 years ago
An elastic cord is 69 {\rm cm} long when a weight of 79 {\rm N} hangs from it but is 90 {\rm cm} long when a weight of 170 {\rm N} hangs from it.What is the "spring" constant k of this elastic cord?
14 years ago
one of the major U.S. tire makers wishes to review its warranty for their rainmaker tire. The warranty is for 40,000 miles. The tire company beleives that the tire actually lasts more than 40,000 miles. A sample of 49 tires reveales that the mean number o...
14 years ago
what is the morality of a solution made by dissolving 1.00g of sodium hydroxide, NaOH in 100 mL of water
14 years ago
A person drops a stone from a bridge. How high is the bridge if they hear the splash 4 seconds later. Assume the speed of sound is 1080ft/sec.
13 years ago
can i get a paragraph on 'An imaginary trip to the moon'?
13 years ago
how is statistics defined
13 years ago
The crystal structure of cesium chloride (CsCl) is shown in the figure below. The dark spheres represent atoms of Cl. Identify the crystal system: Cubic Tetragonal Orthorhombic Rhombohedral Hexagonal Monoclinic Triclinic Identify the Bravais lattice: Simp...
12 years ago
(a) Calculate the lattice constant a in palladium (Pd). Use only the information available in the class Periodic Table, and express your answer in angstroms. (b) Calculate the distance (in angstroms) between adjacent (110) planes in palladium (Pd). Hint:...
12 years ago
Calculate the density of atoms along [011] in molybdenum (Mo). Use only the information provided in your class Periodic Table, and express your answer in units of atoms/cm.
12 years ago
CdO is cubic with a lattice constant a=4.695 A˚ and a density ρ of 8.15 g/cm3. Determine the crystal structure of CdO. Simple Cubic Face Centered Cubic Body Centered Cubic
12 years ago
An x-ray generator operated at a plate voltage of 7000 V is incapable of producing Ni Kα radiation. Calculate the minimum energy required for a ballistic electron to produce Ni Kα radiation. Express your answer in units of eV.
12 years ago
Name the following crystallographic features below using proper crystallographic notation. Image One [2ˉ21] [1ˉ12ˉ] [1ˉ1(1/2)] [(1/2)(1/2ˉ)1ˉ] Image 2 (1ˉ02) (21ˉ0) (201) (1ˉ02ˉ)
12 years ago
Your x-ray lab has a monochromator consisting of a single crystal of nickel cut so that the (001) plane lies in the cube face. At what angle (in degrees) should the cube face be tilted with respect to the incident beam in order to select radiation with a...
12 years ago
Which is the higher density of polyethylene, linear or branched? Select the choice with the best accompanying explanation. Linear polyethylene is the higher density form, as the chains are able to pack better and partially crystallize, resulting in better...
12 years ago
Shown below are several options for the box notations of the ground state electron configuration of the following gas-phase species. Identify the correct electronic configuration. i. Al2− ii. Mn (a)Select the reason that best explains why the first ioniza...
12 years ago
a 57 g of copper is at 12 degrees celsius, if 1012 J of energy is added to the copper, what is the final temperature of the copper?
12 years ago
triangle abc is similar to def, the lengths of the sides of triangle abc is 5,8,11. what is the length of the shortest side of triangle def if its perimeter is 60?
12 years ago
60.0 grams of Th-210 with a half life of 50,000 years is allowed to decay for 250,000 years. How much of the original quantity remains? In addition, Th-210 decays via beta emission. Write the equation for its transmutation.
12 years ago
Find the molality, mole fraction, and percent by mass of a solution prepared with 500 grams of C12h22O11 in 2000 grams of H20
12 years ago
For the decomposition of aluminum oxide at 35 celsius and atm, what volume of oxygen gas will be produced if 2.77 grams of the oxide react?
12 years ago
120 ml of a gas is in a flask at STP. If the gas is argon, what mass of gas is in the flask?
12 years ago
You eat a new kind of fruit and suffer from hives for the first time in your life. A week later, you try the fruit and the hives recur. A month later, you have a similar experience. conclusin
11 years ago
I rarely do my homework. No matter how hard I try to focus and actually get things done, I just can't do it unless it's something I really want to/like to do. And even if I actually put my work right in front of me and turn off my phone, computer, tv, etc...
11 years ago
If the Powershooter 1800 is marked up 58.50 what is the cost and the percent markup cost?
11 years ago
need some ideas for a classification essay on advertisement pls I have submitted three different options to my teacher and he has declined them either saying there is overlap or they are not distinct. i am stumped! pls help
11 years ago
Though it is a history essay, my question has to do with writing and essay. The following is what I submitted for an essay and was told it was good but it lacked an introduction and thesis. My first paragraph is what I thought was a sufficient introductio...
11 years ago
I have posted two essays recently and have received no response, one was only a few hours ago but the other one was over 10 days ago....pls help with the one from two hours ago or let me know if you are unable to help. thanks
11 years ago
I this binomial? or No? A gumball machine contains 25 gumballs - 9 red, 6 blue, 7 green and 3 yellow. You buy five gumballs from the machine. X = number of green gumballs you get
10 years ago
What volume of 0.20M NaOH will contain 1.00g of NaOH
10 years ago
Find the coordinates of the midpoint of a segment having the given endpoints. Q(1, -3), R(11, 5)
9 years ago
My answer *** What is the product of (–6.8)2? a. –13.6 b. 46.24*** c. –46.24 d. 13.6 2. Simplify the expression - Square root 196 . a. 98 b. –14*** c. 14 d. 392 3. Simplify the expression square root 100/49 . a. 10/7 b. 17*** c. 5/7 d. 20/7 4. Find the qu...
9 years ago
Discuss the isomerism exhibited by alkenes
8 years ago
a metal p forms 2 different chlorides x and y. if 12.7g of chloride x and 16.3g of chloride y contain 7.1g 10.7g of chlorine respectively, show that the figures agree with the law of multiple proportion
7 years ago
Consider a lever rod of length 7.96 m, weight 71 N and uniform density. The lever rod is pivoted on one end and is supported by a cable attached at a point 1.74 m from the other end:  The lever rod is in equilibrium at angle of 54◦ from the verti...
7 years ago
factor 3y^2+20y-7/ 5y +35 / (3y-1)
6 years ago
There are 11 clean individual socks in your sock drawer. There is only one matching pair among them. In the dark, you reach into the drawer and randomly pick 2 socks. What is the probability that you choose the matching pair? Write your answer as a fracti...
5 years ago
Place these in order! 1. Women notice that plants are growing out of the seeds in their trash pile, where they had spit out their seeds. 2. Because there is plenty of food, a young woman can focus on just making clothes for everyone because she’s the best...
4 years ago
A 0.41 kg football that is initially at rest acquires a velocity of 35 m/s when it is kicked. If the kicker's boot remains in contact with the ball for 0.08 s, what is the average force of the kick?
4 years ago
A large truck traveling at +15 m/s collides head-on with a small car traveling at -15 m/s, which of the following statements is correct? a) the large truck will experience the greater impulse b) the small car will experience the greater impulse c) the mag...
4 years ago
A 0.45 kg football traveling at a speed of 22 m/s is caught by a stationary receiver. If the football comes to a rest in the receiver's arms, the magnitude of the impulse imparted to the receiver by the ball is
4 years ago
A 1000 kg car moving a 10 m/s collides with a stationary 2000 kg truck. The two vehicles interlock as a result of the collision. What is the final velocity of the two combined vehicles?
4 years ago
A 1500 kg truck is acted upon by a force that decreases its speed from 25 m/s to 15 m/s in 8 s. What is the magnitude of the force acting on the truck?
4 years ago
A 10 kg ball moving at 5 m/s collides elastically with a stationary 2 kg ball. After the collision , the 10 kg ball is moving at 1 m/s in the same direction. What is the velocity of the 2 kg ball?
4 years ago
A track in a national park has four legs from its starting point to its return. The first leg travels due east. The second, third and fourth legs follow paths southwest, due north and finally due east back to the starting point. If the distances of the fi...
4 years ago
whats the solution to 89+k= -42 plz help
3 years ago
7. Which statement correctly contrasts Mary Ludwig Hays’ contributions during the Revolution to those of Betsy Ross? (1 point)
3 years ago
An open box will be made from a rectangular piece of cardboard that is 8 in. by 10 in. The box will be cut on the dashed red lines, removing the corners, and then folded up on the dotted lines. The box needs to have the MAXIMUM volume possible. How long s...
3 years ago
I need the answers for the PROPERTIES OF EXPONETS plz help Which Expoent makes the statement true? 1/5^9 =5^?
3 years ago
Savannah does well at solving problems. She asks questions and thinks about solutions. She works well with others and can lead a group as well as follow instructions from others. What does this describe? A. her values B. her interests C. her career choice...
2 years ago
Martin wants to go into the medical field for his career. Which value do you think is most important to him? A. using his creativity B. helping his community C. appreciating the natural world D. respecting authority and the law
2 years ago
A tessellation is a ______ pattern of figures. a. reflecting b. repeating c. symmetrical
2 years ago
A tessellation has no ________. a. gaps or overlaps b. translations c. repeated figures
2 years ago
Tessellations are made by repeatedly overlapping a figure. a. true b. false
2 years ago
Triangle STU is translated right 2 units and 3 units down.. What are the coordinates of the vertices? a. S'(-9, 12), T'(-12, 5), U'(-6, 5) b. S'(-4, 7), T'(-7, 0), U'(-1, 0) c. S'(-8, 13), T'(-11, 6), U'(-5, 6) d. S'(-4, 10), T'(-7, 3), U'(-1, 3)
2 years ago
How does dividing species into kingdoms help us understand them?
2 years ago
What graph would represent the equation y = x - 2?
2 years ago
Which ordered pair is a solution of y = x^2-2? a. (-2, 6) b. (5, 21) c. (-1, -1) d. (-5, 24)
2 years ago

Answers

The following answers were posted by visitors named c.

tarrifs are used to controll imports and allow production to adjust to consumer demand
18 years ago
Very good
17 years ago
i have no clue that's wat im trying to figure out!!!it doesnt show anything on the internet and if it does i don't want to have to reading like 1000000 pages until i get to the point!!!
17 years ago
its b
16 years ago
FYI - The symbols for ohms didn't work, that's what the U's with accents are.
16 years ago
thanks for your help!!
16 years ago
so then would i find the gfm of the CaSO4? and get 136.2 as my answer?
15 years ago
Ah, yes. I reversed it Thank you!
15 years ago
34.48%, percentage water of hydrate, final answer?
15 years ago
wait.. that can't be right.
15 years ago
is this the right answer for mass of gold extracted then : 77.0 g ?? and 164.3 % percent yield??
15 years ago
well my question is the same as amy's but mine says: Determine the mass of gold that can be extracted if 24.7 g sodium cyanide is used. and If the mass of the ore from which the gold was extracted is 129.5 g, what percentage of the ore is gold? but i trie...
15 years ago
also for percent yield i thought it was (actual results)/(theoretical results) X 100, so wouldnt it be 126.5g/ 55g=230??
15 years ago
okk sorry amy. ps: ive never used this before ms. sue, so don't be rude.
15 years ago
171kj q=molesx heat of vaporization
15 years ago
i do not know
15 years ago
dragonballs
13 years ago
y=m=25
12 years ago
-422.24
12 years ago
-422.24
12 years ago
Jiskha is not part of the MITx platform!!! How the honor code of MITx could be applied to an user of other system?
12 years ago
Jiskha is not part of the MITx platform!!! How the honor code of MITx could be applied to an user of other system?
12 years ago
Jiskha is not part of the MITx platform!!! How the honor code of MITx could be applied to an user of other system?
12 years ago
Jiskha is not part of the MITx platform!!! How the honor code of MITx could be applied to an user of other system?
12 years ago
Multi-electron Atom Ionization Energy, Conservation of Energy, Wave-Particle Duality.
12 years ago
Jiskha is not part of the MITx platform!!! How the honor code of MITx could be applied to an user of other system?
12 years ago
(Kg og Na)/ 23*4 =X X * 47.88 = in g convert to Kg
12 years ago
(Kg og Na)/ 23*4 =X X * 47.88 = in g convert to Kg
12 years ago
(Kg og Na)/ 23*4 =X X * 47.88 = in g convert to Kg
12 years ago
(Kg of Na)/ 23*4 =X X * 47.88 = in g convert to Kg
12 years ago
p=h/lambda(meters) , E= p^2/2m + 1.659*10^-18, LambdaMax=hc/E
12 years ago
p=h/lambda(meters) , E= p^2/2m + 1.659*10^-18, LambdaMax=hc/E
12 years ago
p=h/lambda(meters) , E= p^2/2m + 1.659*10^-18, LambdaMax=hc/E
12 years ago
p=h/lambda(meters) , E= p^2/2m + 1.659*10^-18, LambdaMax=hc/E
12 years ago
p=h/lambda(meters) , E= p^2/2m + 1.659*10^-18, LambdaMax=hc/E
12 years ago
p=h/lambda(meters) , E= p^2/2m + 1.659*10^-18, LambdaMax=hc/E
12 years ago
10.4
12 years ago
10.4
12 years ago
10.4
12 years ago
10.4
12 years ago
10.4
12 years ago
thanks
12 years ago
thanks
12 years ago
thanks
12 years ago
thanks
12 years ago
0.388e-6
12 years ago
1) True 2) False
12 years ago
The conduction band is at a higher energy than the valence band. True or false? No electronic states lie between the conduction and valence bands in n-type silicon. True or false?
12 years ago
(a) is right and the (b)?
12 years ago
thanks
12 years ago
Thank you!
12 years ago
If you mean Britain was the archenemy of the USA and France. Then lets check the two country out.(A quick breakdown) USA fought two wars with Britain but due to WWI, Britain became allies with the USA for support and troops and the WWII as the Axis/Japan...
12 years ago
1. For the safety of the children and the continuity of the British civilization. 2.Some knew it was for the greater good, some thought it was to separate the family, some thought government played a major influence on a person private life.
12 years ago
Holland known as the Dutch Republic provide funds and put pressure on the British colonies in the Orient/Asia. As Germany (not a country yet-1860s)-German states/regions but not to confuse with Prussia (they supported Britain)
12 years ago
Thanks for the help but it Wasn't right!
12 years ago
Thank you
12 years ago
1) Cubic 2) Simple cubic 3) Cs+Cl− pair
12 years ago
Thank you!
12 years ago
pls. c
12 years ago
not right
12 years ago
How do you input the data into the formula?
12 years ago
conversion for seconds to hours is 60*60 or multiply 3600.
12 years ago
So what is a) and what is b)?
12 years ago
Thanks for a) any thoughts on b)?
12 years ago
not right after the conversion 1KJ/mol=1.03*10^-2EV
12 years ago
its not right with 39.2 and after conversion with 1KJ/mol=1.03*10^-2EV. Any ideas or thoughts on b)?
12 years ago
a)00> = 1/sqrt2 |01> = 0 |10> = 0 |11> = 1/sqrt2 b) 4
12 years ago
Not long after the introduction of television itself, television commercials became a tool for advertising products and services. The very first television advertisement appeared on July 1, 1941 for a Bulova watch. Other companies like Gimballs department...
11 years ago
Yes that is what I thought but apparently he had concerns with it thank you
11 years ago
TV advertisements appeal to audiences in the following ways: accessibility (or should I say affordability?), image and mileage needs? This is my struggle, how to categorize that third area and not overlapping and staying distinct....
11 years ago
I know you are trying to make me think this out but i need clarification....I don't know how to categorize those two ideas. if i just put truck that can overlap with affordable and also image....right?
11 years ago
so are you saying narrow it to truck and say advertisements for trucks appeal in three ways, their intended use, mileage needs and image. (Then, I go into intended use=hauling, mileage needs big wheels for mountains etc, image=large trucks macho)? Does th...
11 years ago
there are three types of truck advertisements those geared toward the worker, the economist and the macho guy
11 years ago
I am required to do three. so worker macho guy and what???
11 years ago
I thought you were suggesting I move specifically to trucks? So if not then okay, "There are basically three types of ads for vehicles, those geared to the economy minded, the cool dude or the hauler???
11 years ago
there are basically three types of vehicle ads the pick up truck, the cool dude car and the mommy van???
11 years ago
Thank you! or should the third category be family and include van suv and station wagon???
11 years ago
12
10 years ago
gdygvygvygyfdf
10 years ago
intelligence cannot be measured by paper and pencil tests.
10 years ago
Hgbhh N
9 years ago
0.15
9 years ago
The answer is 6:4 I just answered the question and got it right.
9 years ago
hes right
9 years ago
yes i read the whole book can i have the answer
9 years ago
thanks!
9 years ago
Im stuck on the same question
8 years ago
fsf
8 years ago
.25
8 years ago
2/3
7 years ago
At 15 minutes past the hour, a 47.0 g mouse runs up a grandfather clock and sits himself down at the end of the minute-hand. If the minute-hand for the clock is 16.0 cm long, what is the magnitude of the torque exerted by the mouse on the minute-hand? Giv...
7 years ago
shouldnt it be 25 for the last line, not 24? all else looks right tho
7 years ago
4,964,925
7 years ago
LMAOO i just came here for answers and im dying
7 years ago
260wk = yards
7 years ago
20
7 years ago
Luck is right, I got 100%. Thank you!
7 years ago
still 100%, thank you!!
7 years ago
100% thank you!
7 years ago
don't worry here are the answers is right, thank you for the answers!
7 years ago