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...

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-...

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...

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...

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...

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...

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...

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

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?

Can you help me figure out this? 7+3x=5x+13

How do I figure out 6(x+4)=3x-2? please help!

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...

Find the cost function if the marginal cost function is dC/dx=2x-15 and fixed costs are $75.

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.

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?

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

Express as a single logarithm and simplify: 2 log 3 + log (3x) – log x

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)

what activiteis affect the level of a countrys economic developement?

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

What government imposed barriers stop or hinder the export (out of the U.S) of automobiles?

What does the federal government impose on a high horsepwer that uses more fuel vehicles?

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?

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??????

Solve the system by either elimation or substitution: x+8y=18 y=-2/7x-18/7

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...

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?

I need help writting a formula for: AgNO3(l) + PbNO3(l) + HgNO3(l) + HCl (l)

Find all points at which the graph of f (x) = x^3 −3x has horizontal tangent lines.

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...

From the Arizona Department of Weights and Measures: Among 31 inspections sat a NAPA Auto Parts store, 88% failed. X= ?

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...

how do I use multiplication and the Distributive property to find the quotient of 108/6

In the U.S., which social class has benefitted the most from the tax breaks?

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...

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?

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)

I really need someone to check my answers and I don't want to get the answers wrong. Cross out any prepositional phrases. Underline the verb/verb phrase twice. 1.) John walked along the trail during the summer. Subject:John Verb:walked Phrase:along the tr...

What is 503,000,000 as a percentage?

What is 503,000,000 as a percentage? I am doing this for a school project. It's really difficult to figure out. Just saying.

Lesson 2:3-D Views Unit 2: Measurement Multiple Choice For questions 1-3, use the following model. 1. How many cubes are in the base of the model? (1 point) A. 3 B. 4 C. 7 D. 2 2.How many cubes would be shown in the right view of the model? (1 point) A. 3...

What is the name for the following coordination compound or ion? Na3[Cr (NH3) NO2 Cl3]

A metal cylindrical cannister is 1' 3"long and has a diameter of 4 inches. What is the total surface area of the cylinder?

5.23 x 44 rounded to its greatest place value

1. Which number is a solution of the inequality? 10.6<b A)-18 B)-9 C)7 D)14*** 2. Which number is a solution of the inequality? y+2>8 A)-5 B)-6 C)6 D)7*** 3. Which number is a solution of the inequality? 6>z(10-z) A)0 B)1 C)2 D)3*** 4. What are all the su...

Refer back to the text about the benefits of agriculture for ancient Egyptians. List three benefits. Write advertising slogans to promote agriculture to ancient Egyptians. Use your slogans to make a presentation about one or more benefits. Brainstorm one...

Rationalize each dominator and simplify. All variables represent positive numbers. 10 / 5-√5 I tried but I couldn't get the answer right.

Which protein is usually given the 'superior' names?

Find the percent of increase or decrease. 1. The price of ratio genius for $40-$44

Show that triangle ABC is a right triangle. point A: (-7,-2) point B: (-3,-3) point C: (-4,-7) I really don't know how to do this, please help.

The cinematographer works with what other professional to plan how each scene will be filmed and lit? A) Production Designer*** B) Director C) Graphic Artist D) Screen Writer Thank you!!! :)

I have to use the word fretish as a noun, adjective and a verb. How am I suppose to do that?

A projectile was launched from the ground with a certain initial velocity. Militaries used a radar to determine the vertical coordinate y(t) of the projectile for two moments of time t measured in seconds from the moment when the projectile was launched....

A sponge and a bar of soap occupy the same amount of space, but the soap is much more dense than the sponge. Why might this be?

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?

Then what do I do next?

Would this [-infinity, -2] and [1, infinity] be the same and equal (-infinity sign,-2, U(1,infinity sign)

It's ok, I see how this is the answer now! Thanks again for your help!

PLEASE HELP !! i really need this translated !

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!!!

im begging you! somebody pleaaaaaase help me on this! i have about 5 hours before its due!!

Cyclical unemployment arises in part from a desire by workers to move from low-paying,low-productivity jobs to higher-paying, higher productivity jobs.

The answer is true or false.

Are you still looking for the answer.

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...

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.

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...

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...

I tried that... it's not it... apparently there must be something wrong with the arythmetic but I can't find what it is...

The cross-sectional area is jus the rectangle...

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

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

He becomes an electrician

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

What does this word spell in plate tectonics rorpsfgnloadeeasi

ok, thx for the help

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...

I need help to understand formula

The mom left the room with an modicum of respect after her baby began? Sleeping Screaming Praying Singing

I have this assignment too right now,and can't answer it..because the gravity of earth in the moon is not given:(

There are two prepositional phrases right?

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...

Yes, thank you so much!

That's the one steve said

weekly wage x fraction = rent X = fraction (450)(x)= 90 x = 90/450 x = 1/5 answer: 1/5

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.

The answer is d for sure.

Thx u so much Jazzzmin 100% for me.

I got them right, thx Jazzzmin.

Thxs Alyssa, helped a lot. :D

thx u K and Anon, it helped a lot. they answers r right. <3

Thanks, Jack 100%

CAN SOMEONE JUST ANSWER THE QUESTION PLEASE???????

1. A 2. A 3. D 4. C Everyone was correct thank you!!!!! 100%

@Oofie is right 100% D B C B

I need help with this question

100% promised. 1. C 2. B 3. C 4. C 5. A 6. B 7. A and F 8. A

JD was right! I got 100%

S o u p was right! I got 5/5 100%

C D A Are the answers for Tecca students! Just took the quick check now got 100%

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...

C B C Are the right answers

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.