Katrina
This page lists questions and answers that were posted by visitors named Katrina.
Questions
The following questions were asked by visitors named Katrina.
Mother to Son by Langston Hughes Well, son, I'll tell you: Life for me ain't been no crystal stair. It's had tacks in it, And splinters, And boards torn up, And places with no carpet on the floor-- Bare. But all the time I'se been a-climbin' on. And reach...
19 years ago
I'm looking for a poem, "Ending Poem", which is written by a Puerto Rican poet. i can't find this poem,anyone can help me plzzzzzzzzzzzz? This stupid site won't let me post the link so hers the poem enjoy! I am what I am. A child of the Americas. A light-...
19 years ago
can anyone plz tell me what's the differences between past perfect tense and past perfect continuous tense?and tell me few examples of each one? Thank you for using the Jiskha Homework Help Forum. The past perfect tense is to show that something "had happ...
19 years ago
im compeletely lost with the trigonometric functions...can anyone explain clearly to me? Are you lost on the definitions?...where is the problem. You need to be able to draw and label all the parts of a triangle, the hypotenuse and legs. Then be able to d...
19 years ago
can anyoone help me to find these two poems... 1.AmeR¨ªcan 2.Instruction for Joining a New Society Do you know the authors? I looked on google but found nothing.
19 years ago
do anyone knows a poem named "Instruction for Joining a New Society", which about the desire to become an American? I need this poem immediately!!! Thank you for using the Jiskha Homework Help Forum. If that is the title, I find nothing! If you have eithe...
19 years ago
do we have to have the same amount of significant numbers in the values we got by convertion? No. Your conversion factors may have some lack of precision. Examples 60sec=1min infinitely precise, a definition. 1.6km= 1mile two sig figures, because the mile...
19 years ago
Upon what is the precision of a measurement based? It depends upon what is being measured. For volume, the precision depends upon how precisely the buret or graduated cylinder can be read. For mass it depends upon the balance used (triple beam vs analytic...
19 years ago
when i calculate the density from my measurement,mass=154.4, volume=175.00,and got 0.8823 g/cmexp3 as the answer,so do i have to express the answer in scientific notation or round off it? No, you do not need to express the answer in scientific notation un...
19 years ago
when we do convertions, do we have follow the rules for rounding? is it 118.5cm=1.19m, or 118.5cm=1.18m? It depends upon how many significant figures (sf) you are allowed, whether you are doing converSions or calculating some other problem. By definition,...
19 years ago
express this in binomial: 2 4ez (4e-z) the 2 is the square.. can anyone teach me how to do this??? I'm a little unsure what your question is asking for here. Ordinarily, a binomial is an expression with two variables and some positive power, e.g. (x+y)^2...
19 years ago
can anyone tell me which of the following is a complex sentence??? 1.But the journey of the coal driver is a reminder that often beneath the juggernaut of the Chinese economy are three guys squeezed into the cab of a filthy truck hauling coal, a trip mult...
19 years ago
can anyone plz give me three major reasons of why did the Industrial Revolution begin in England??? Check this site. http://en.wikipedia.org/wiki/Industrial_Revolution#Causes_for_occurrence_in_Britain
19 years ago
can we ever measure or draw any physical feature of a natural system exactly???why or why not?? im confused by this><!!! HELP PLZZ.... i will try to help u but i am no expert only a student.this might be one of those ethic questions that really have no an...
19 years ago
what is the value of measurement?????? What is the value of measurement? I hope I am understanding your question. If one wants to know the number of teeth in a horses' mouth, counting is quite valuable.
19 years ago
what's the differencces between the meaning of measurement and value of measurement in physics??? The meaning of measurement is a definition of whatever is being measured. I suggest you use a dictionary for that. The answer will depend upon what you are m...
19 years ago
can we sketch a triangle with 1:2:3 side-length ratio???? Intuitively, no. Think about the angles of the triangle. If the sum of two sides is equal to the length of the last side, then the "triangle" is a straight line. But the question is, when i draw it...
19 years ago
list two reasons why DDT should not be used... Doesn't it cause human birth defects? And stay in the environment a long time? And cause bird eggs to be too thin to hatch successfully?
19 years ago
i don't knw how to transform these two similes into metaphor...can anyone teach me?? 1. As you look far into the distance, the long wickers, "which fly in the air, like the fairy¡¯s hair."<---only the transform the quote part 2. The fascicles of flowers,...
19 years ago
what is the general relationship between the density of solids and the density of liquids? Are you talking about the density of substance X in the solid state vs the density of the same substance in the liquid state. GENERALLY, solids have a higher densit...
19 years ago
i'm confused with this problem..can anyone explain it to me? what should a graph of mass versus volume resemble if we were to plot the respective mass and volume values for each body as points in a Cartesian coordinate field and connect each point with a...
19 years ago
why is the Armenian genocide significant? can the international community prevent future genocide from happening? This site gives some excellent information. http://www.armenian-genocide.org/genocidefaq.html To consider the second part of the question, yo...
19 years ago
when is the actual year that "the risk assessment of genocide and politicide" adoptted? (Broken Link Removed) 1998 the US government officially started to use the model.
19 years ago
what is the meaning and significance of the elastic limit and why it should be avoided? The elastic limit is the maximum deformation a material can go to, after that, structural changes occur, and it yields as if it were a plastic. Many structural failure...
18 years ago
extrapolation is the process whereby we extend an established numerical relationship between two variables beyong the elastic limit, why extrapolation would not be usedful in this particular situation? What "particular situation" are you talking about? In...
18 years ago
the cables of a suspension bridge as well as the elements of many man-made structures are designed to behave elastically. whey it is absolutely necessary that such elements function elastically? When loaded past their elastic limit, and the loads are repe...
18 years ago
the cables of a suspension bridge as well as the elements of many man-made structures are designed to behave elastically. can anyone briefly explain to me why it is absolutely necessary that such elements function elastically? Bridges and other man-made s...
18 years ago
extrapolation is the process whereby we extend an established numerical relationship between two variables beyond the limits of our observed and recorded data. why extrapolation would not be useful and wise to use in force-elongation graph? In force-elong...
18 years ago
if the same ball rolls down from three different length trackways with a 20degrees elevation, its acceleration on the short-length trackway is 1.08m/s^2;its acceleration on the medium-length trackway is 1.79m/s^2;and its acceleration on the long-length tr...
18 years ago
how can i plot a v-t graph for this data and also account for the results and sources of error:if a ball starts from rest, and rolls down a .56m trackway, its final velocity is 1.10m/s, and the acceleration is 1.08m/s^2? HELP!!!!!!!im lost in it!!!!! The...
18 years ago
if the length of one side of a square is 1/2h, find the representation of the area. If a side of a square is s, the area is s squared. area of square is (length of side)^2. Substitute 1/2h for (length of side) and go from there.
18 years ago
a 60 km/h wind is blowing in a direction 30 degrees north of east. a. what is the component of the velocity oriented to the east? b. what is the component of the velocity oriented to the north? The component east is 60cos30. For both a and b, draw a diagr...
18 years ago
a horizontal wire is stretched between two vertical poles. when a 12.0-N weight is suspended at its center, the wire sags until the angle between its halves is 110 degrees. what are the forces exerted by each half of the wire in supporting the weight? i d...
18 years ago
"The data indicate that 40 percent of the land that Israel plans to keep in any future deal with the Palestinians is private." Which kind of sentences is it?simple?complex?compound?complex compound? How can I define the part of speechs of each word in thi...
18 years ago
Why can it be a unifying and diving force at the same time? What is "it"? hmm..i mean..Why can NATIONALISM be a unifying and diving force at the same time? How was the Industrial Revolution a moving force to Imperialism?
18 years ago
i don't understand the projectile motion...my teacher said...it's a motion of a body confined to a vertical plane, perpendicular to Earth's surface... I don't get it, can anyone explain to me clearly???? plzzzzz....THX!!!! If your teacher said that, she w...
18 years ago
How can i graph this equation by plug in numbers???? x^2-y^2=9 HELP PLZ!!!!!!THX ALOT!!!! Assign numbers to x and solve for y then put them in a graph: let's say x is -3 Then 9=y^2+9 y^2=0 y=0 Ok now x= -4 16=y^2+9 y^2=5 y=2.236 Also you can assign y a nu...
18 years ago
Cards are drawn at random from a 52-card deck. Find the number of different 5-card poker hands possible consisting of 3 aces and 2 kings? i don't knw how to do this kind of problems..can anyone teach me??? Forget about the fact that there are 52 cards in...
18 years ago
I'm confused with transitive property, substitution postulate, addition postulate, and subtraction postulate. What are they? and What are the differences between them? go to goole i mean google http://library.thinkquest.org/2647/algebra/post.htm fcpaljbk...
18 years ago
A 0.2 kilogram baseball is thrown vertically downwards towards to the same horizontal floor. The baseball possesses an initial velocity of 30 meters per second. The height is 10.00m. (A) Calculate the POTENTIAL GRAVITATIONAL ENERGY and KINETIC ENERGY of t...
18 years ago
3. A rocket car is traveling on a linear horizontal frictionless track when it suddenly runs out of fuel. The car has achieved a speed of 100 meters per second at the very moment the fuel is completely spent. The track then suddenly changes to a 30-degree...
18 years ago
A wind instrument, such as a bassoon, clarinet, flute, oboe, or saxophone, in which sound is produced by the vibration of reeds in or by the passing of air across the mouthpiece.
18 years ago
Hello Jiskha, I'm hoping you are able to help me with my homework. Its on General Chemistry. Question One - When the solid NH4NO3 is dissolved in water at 25 C, the temperature of the solution decreases. What is true about the signs of enthalpy (H) and (S...
18 years ago
Given that people with borderline personality disorder are impulsive, we would expect them to do poorly on tests that measure functioning of the____. Psychology question here. Personality disorders (PD) are a group of psychiatric conditions characterized...
18 years ago
How do I draw the condensed formula for: 1. 2,3-dimethyl-2-butene 2. 4-ethyl-2-hexyne 3. 3,3,6-trimathylnonane 4. 3-ethyl-4-propylheptane 5. 3-octanol
18 years ago
How would you approach a question like There are 6.02x 10 to the power of 23 atoms in one mol of atoms, how many atoms are there in 5.5 mol of atoms?
17 years ago
Can you help me figure out this? 7+3x=5x+13
17 years ago
How do I figure out 6(x+4)=3x-2? please help!
17 years ago
1. What is the relationship between elevation and average surface temperature? 2. What is the generalized relationship between latitude and average surface temperature..(I think it's that the higher the latitude, the colder the surface temperature)? 3. Wh...
16 years ago
Find the cost function if the marginal cost function is dC/dx=2x-15 and fixed costs are $75.
14 years ago
Do atoms have colors? What colors are they? Are they all the same color, or are all carbon atoms one color and all hydrogen atoms a different color for instance? Or are they the color of the object? Thanks for your help.
16 years ago
An area, A, consisting of the sum of two squares is 1000. The side of one square is 10 less than 2/3 of the side of the other square. What are the sides of the squares?
16 years ago
Please help! They are asking for 2 solution sets and I don't know where to start. Thanks in advance! Solve and write interval notation for the solution set. 3 – 8x < –5 or 3 – 8x > 19
16 years ago
Express as a single logarithm and simplify: 2 log 3 + log (3x) – log x
16 years ago
Which of the following expressions is equal to log (x sqrt-y)/z^5 A. log x + log (1/2) + log y– log 5 – log z B. log [x + (1/2)y – 5z] C. log x + (1/2)log y – 5 log z d. [(1/2) log x log y]/(5 log z)
16 years ago
what activiteis affect the level of a countrys economic developement?
15 years ago
I just do not understandthe concept of this can some one make it more simple for me to understand? Remove parenthesis and simpilfy its not just this one its the whole understanding thing. 8p+5q-9(8p-8q+9r) I got -72+67q-81r
15 years ago
What government imposed barriers stop or hinder the export (out of the U.S) of automobiles?
15 years ago
What does the federal government impose on a high horsepwer that uses more fuel vehicles?
15 years ago
What would the absolute value be? \ 2-3\ if you solve it the answer comes to -1 but can you have a negative as your answer for absolute value?
15 years ago
A hat contains 20 names, 9 of which are females. If 8 names are randomly drawn from the hat, what is the probability that at least 6 male names are drawn??????
15 years ago
Solve the system by either elimation or substitution: x+8y=18 y=-2/7x-18/7
15 years ago
What is the meaning of the phrase "steal the secret of the sun"
14 years ago
A 13.0-g sample of ice at -13.0°C is mixed with 112.0 g of water at 80.0°C. Calculate the final temperature of the mixture assuming no heat loss to the surroundings. The heat capacities of H2O(s) and H2O(l) are 2.08 and 4.18 J/g · °C, respectively, and th...
14 years ago
Calculate the pH after 0.13 mol of NaOH is added to 1.00 L of the solution that is 0.57 M HF and 1.13 M KF. I got the answer of 3.66 to 3 sig figs, but it's wrong. Can you please tell me what I did wrong? -Thanks
14 years ago
Consider a window the shape of which is a rectangle of height h surmounted a triangle having a height T that is 1.3 times the width w of the rectangle. If the cross-sectional area is A, determine the dimensions of the window which minimize the perimeter....
14 years ago
3. A liquid hydrocarbon (Cx Hy) is found to be 16.37% H by mass. A 1.158-g vaporized sample of the hydrocarbon has a 358 mL volume at 71.0 C and 749 mmHg. what is the molecular formula for this hydrocarbon? 4. A 1.00 g Sample of C7H603 (s), us completely...
14 years ago
A liquid hydrocarbon (Cx Hy) is found to be 16.37% H by mass. A 1.158-g vaporized sample of the hydrocarbon has a 358 mL volume at 71.0 C and 749 mmHg. what is the molecular formula for this hydrocarbon?
14 years ago
I need help writting a formula for: AgNO3(l) + PbNO3(l) + HgNO3(l) + HCl (l)
14 years ago
Find all points at which the graph of f (x) = x^3 −3x has horizontal tangent lines.
14 years ago
If a rock is thrown upward on the planet Mars with a velocity of 17 m/s, its height (in meters) after t seconds is given by H = 17t − 1.86t^2. (a) Find the velocity of the rock after one second. (b) Find the velocity of the rock when t = a. (c) When will...
13 years ago
From the Arizona Department of Weights and Measures: Among 31 inspections sat a NAPA Auto Parts store, 88% failed. X= ?
13 years ago
Week 5, Day 4, respond to the problem statement assigned to you for this week. At a prominent state hospital, a 45-year-old woman is receiving a ‘combined modality' treatment for the initial stage of breast cancer. State the two aspects included in this t...
13 years ago
how do I use multiplication and the Distributive property to find the quotient of 108/6
13 years ago
In the U.S., which social class has benefitted the most from the tax breaks?
11 years ago
A student of the author surveyed her friends and found that among 20 males, 4 smoke and among 30 female friends, 6 smoke. Give two reasons why these results should not be used for a hypothesis test of the claim that the proportions of male smokers and fem...
11 years ago
You are the juror of a case involving a drunken driver whose 972 kg sports car ran into a stationary 2094 kg station wagon stopped at a red traffic light. The cars stuck together and slid with locked wheels for 11.0 m before coming to rest. The coefficien...
11 years ago
a balloon is filled with 15 L of an ideal gas of 20C. at this temperature the pressure of the gas is 1520 mm Hg. Suppose that the volume of the gas is reduced to 5 L at 290 K. what is the new pressure of the gas in atmospheres?
10 years ago
1) How would you expect the solubility of the following to vary n a series of solutions of increasing ionic strength created by adding KNO3 a) ammonia b) ammonium chloride 2) If the ionic strength was increased by adding KCl, the solubility of which one o...
10 years ago
I really need someone to check my answers so please check. 1.) Hurry down the hall for your next meeting. Phrase: down the hall for your next meeting Verb: hurry Subject:(you)
9 years ago
Answers
The following answers were posted by visitors named Katrina.
SO3 can be produced in the following two-step process: FeS2 + O2 ---> Fe2O3 + SO2 S02 + O2 ----> SO3 Assuming that all the FeS2 reacts, how many grams of SO3 are produced when 20.0 g of the FeS2 reacts with 16.0 g of O2?
17 years ago
Then what do I do next?
17 years ago
Thanks!
17 years ago
208 times 50
17 years ago
Would this [-infinity, -2] and [1, infinity] be the same and equal (-infinity sign,-2, U(1,infinity sign)
16 years ago
It's ok, I see how this is the answer now! Thanks again for your help!
16 years ago
PLEASE HELP !! i really need this translated !
15 years ago
if anyone would have the heart to look up cars of the 60's and write out a small paragraph in french about them too, i would be forever grateful!!!
15 years ago
im begging you! somebody pleaaaaaase help me on this! i have about 5 hours before its due!!
15 years ago
Cyclical unemployment arises in part from a desire by workers to move from low-paying,low-productivity jobs to higher-paying, higher productivity jobs.
15 years ago
The answer is true or false.
15 years ago
Are you still looking for the answer.
15 years ago
Which of the following is not economic investment? (a). The purchase of 100 shares of AT&T by a retired business executive. (b). The purchase of a drill press by the Ajax Manufacturing company. (c). Construction of a suburban housing project. (d). The pil...
15 years ago
I did those steps and got .869 for CH2Cl2 and .130 CH2Br2 (assuming that both is in the correct number of sigfigs), but they don't seem to be right. I just want to know what I am doing wrong, or is this also the answer you got.
14 years ago
HI, Thanks for the explanation, that makes a lot of sense, I don't know why it didn't occur to me that mass can't be negative... but I typed those answers and I still get them both wrong... I don't know why...
14 years ago
Hi, I wasn't posting under different names, I have just used my name and I was just posting the explanation I received from other tutor, I didn't understand some of it so I posted it again because right now it must be on page 5 or something like that... I...
14 years ago
I tried that... it's not it... apparently there must be something wrong with the arythmetic but I can't find what it is...
14 years ago
The cross-sectional area is jus the rectangle...
14 years ago
I need help in learning to find the correct information. I tend to spend hours and I still get frustrated. Maybe some helpful websites. Thank you
13 years ago
The resulting solution is saturated because 86 is what equals both of the grams of salt added to the water at degrees C. 15 g + 50 g = 86 grams
13 years ago
He becomes an electrician
12 years ago
To find the perimeter, you just have add the length+width+length+width. In this case, the answer will be: 1 250m 80 80 45 + 45 ________ 250
12 years ago
What does this word spell in plate tectonics rorpsfgnloadeeasi
12 years ago
ok, thx for the help
12 years ago
Do you think this answer is correct? The nucleus subatomic structure is held together by a strong force. While, it holds three quarks together to make a nucleon it also holds the nucleons together which forms the nucleus. A nucleon could be either a proto...
12 years ago
I need help to understand formula
11 years ago
The mom left the room with an modicum of respect after her baby began? Sleeping Screaming Praying Singing
10 years ago
exam 22111063
10 years ago
I have this assignment too right now,and can't answer it..because the gravity of earth in the moon is not given:(
10 years ago
y=5/x
10 years ago
There are two prepositional phrases right?
9 years ago
I think I might have got the prepositional phrases for number 7. The prepositional phrases are near the city, past the mountain is a pot of gold. The verb is for and the subject is you. I have a question, in the prepositional phrases, do you cross out the...
9 years ago
Yes, thank you so much!
9 years ago
That's the one steve said
9 years ago
weekly wage x fraction = rent X = fraction (450)(x)= 90 x = 90/450 x = 1/5 answer: 1/5
8 years ago
Sedimentary rock gets folding making a hill shaped ground. Erosion erodes the top. Finally, other sediment goes in the space that was eroded, causing an unconformity.
8 years ago
The answer is d for sure.
7 years ago
Thx u so much Jazzzmin 100% for me.
7 years ago
I got them right, thx Jazzzmin.
7 years ago
Thxs Alyssa, helped a lot. :D
7 years ago
thx u K and Anon, it helped a lot. they answers r right. <3
7 years ago
Thanks, Jack 100%
7 years ago
CAN SOMEONE JUST ANSWER THE QUESTION PLEASE???????
7 years ago
It is AAA :)
7 years ago
1. A 2. A 3. D 4. C Everyone was correct thank you!!!!! 100%
6 years ago
@Oofie is right 100% D B C B
6 years ago
I need help with this question
6 years ago
100% promised. 1. C 2. B 3. C 4. C 5. A 6. B 7. A and F 8. A
6 years ago
JD was right! I got 100%
5 years ago
S o u p was right! I got 5/5 100%
5 years ago
C D A Are the answers for Tecca students! Just took the quick check now got 100%
5 years ago
Really intoxocated??? It's obviously a concusion. When someone is drunk there crazy. But when someone suffers a head injury they will likely be sleepy dizzy and see weird things. I know this not only because it's obvious but because my sister is studing t...
5 years ago
C B C Are the right answers
5 years ago
A side of a cube is constantly increasing at a rate of 6 cm/sec. Find the rate of increase in volume and surface area when the one side of the cube is 12 cm.
3 years ago