Thursday
July 24, 2014

Posts by ari


Total # Posts: 75

English
Which one of the following sentences includes a possessive pronoun? A. She will never agree to that. B. She stood up for people's rights. C. He is a mighty opponent. D. Its paws were caked in mud

math
what is the prime factorization of 13?

business
Have anyone checked to see if these answers are correct?

Statistics
Suppose the variable x is the number of minutes walked each week and the variable y is the blood cholesterol level given by the following table: x y 31 290 60 278 90 259 120 238 150 219 Using the regression equation, predict cholesterol levels when walking is 175 minutes per w...

Chemistry
So we're doing oxidation-reduction reactions and batteries and voltages. We did a lab where we would take two metals, put it in a mixture (bleach/water/vinegar/salt) and used a voltmeter to see the DC voltage. Now we're supposed to 'calculate the potential differen...

Algebra
Mr. Rodney's English class is made up of 28 students. He has 6 ESL students, 10 remedial students, and 5 advanced learners. ESL students make up 1/5 of the remedial students and 3/5 of the advanced learners. 1. What is the probability that a student is ESL and remedial? 2....

Science
Alright, I had thought that but it seemed a little weird :x thank you!

Science
Chemistry! So a metal is found to absorb 1000 calories as it is heated from 40.0C to 60.0C. How much heat would the same sample absorb if it were heated from 60.0C to 80.0C? I know I'm supposed to use the equation Q=s x m x delta t (or soemthing) Q= energy absorbed s= spec...

physics
A 83-kg man stands on a spring scale in an elevator. Starting from rest, the elevator ascends, attaining its maximum speed of 1.2 m/s in 0.76 s. The elevator travels with this constant speed for 5.0 s, undergoes a uniform negative acceleration for 1.8 s, and then comes to rest...

statistics
Find the minimum sample size that should be chosen to assure that the proportion estimate p will be within the required margin of error, .06. Use a 95% confidence interval and a population proportion of .7. The critical value for a 95% confidence level is 1.96 Find the test st...

statistics
1) A group of scientists created 150 trials to measure whether electric shock treatment could cure paranoid delusions. Of these trials, 52 were successful. Find the margin of error E that corresponds to a 95% confidence level. The critical value for 95% confidence level is 1.9...

math
A circular lake is 30 miles across at its widest point. What is the area of the lake in acres? Round your answer to the nearest tenth of an acre.

math
the product of 3 whole numbers equals 8 and their sum equals 7

math
Does (-4a)^2 = 16a^2 or -4a^2 ???

Math
How would you simplify the cubed root of 54x^17 ??

geometry
The following are angles in a convex quadrilateral: Angle A = 75.3 degrees Angle B = 114.8 degree Angle C = 65.9 degrees What is the measure of the missing angle?

Algebra; MAJOR HELP
Solve the equation. Provide an explanation please. s^2-7s+14=2

chem
I just need to know the net ionic equation and balance them. I figured the equation. but the net and balance is harder. Co(NO3)2 (aq) + NaOH (aq) = CoOH (s) + Na(NO3)2 (aq) Co(NO3)2 (aq) + Na2CO3 (aq) = CoCO3 (s) + Na2(NO3)2 (aq) Co(NO3)2 (aq) + Na3PO4 (aq) = CoPO4 (s) + Na3(N...

chemistry help please
Given the following data: MnO(s) + H2(g) Mn(s) + H2O(l), H = 100 kJ MnO2(s) + 2 H2(g) Mn(s) + 2 H2O(l), H = –52 kJ use Hess's law to calculate the heat of the reaction MnO2(s) + H2(g) MnO(s) + H2O(l)

Levy
Given the following data: MnO(s) + H2(g) Mn(s) + H2O(l), H = 100 kJ MnO2(s) + 2 H2(g) Mn(s) + 2 H2O(l), H = –52 kJ use Hess's law to calculate the heat of the reaction MnO2(s) + H2(g) MnO(s) + H2O(l)

Applied College Mathematics
jennifer stemberg borrowed money to buy a car at 13.5% simple interest from her credit union. If the loan was repaid in 2 years and the amount of interest was $ 2,700, how much did jennifer borrow?

Applied College Msthematics
jennifer stemberg borrowed money to buy a car at 13.5% simple interest from her credit union. If the loan was repaid in 2 years and the amount of interest was $ 2,700, how much did jennifer borrow?

physics
A rotating uniform cylindrical platform of mass 240 kg and radius 5.7 m slows down from 3.9 rev/s to rest in 16 s when the driving motor is disconnected.

physics
A car starts from rest and travels for 7.8 s with a uniform acceleration of 3.2 m/s2. The driver then applies the brakes, causing a uniform acceleration of −1.1 m/s2. If the brakes are applied for 2.8 s, how fast is the car going at the end of the braking period? Answer ...

physics
The speed of light in clear plastic is 1.866 ×10^8 m/s. A ray of light enters the plastic at an angle of 29.3 degrees. At what angle is the ray refracted?

math
i need to draw a fraction strip showing that the two fractions 2/5 and 6/15 are equivalent. i forgot how to do this

maths
3)a=-12 d=3 t(5)=a+(n-1)d =-12+(5-1)3 =0 s(50)=3625 hope it would be a help. :)

HCS341
ok thank you now i understand thanks, and to answer your "case scenario" no the teacher couldn't afford it because if the kid messed it up that would be wasting money and he had to make sure that everyone knew EXACTLY what they were doing ! thanks! :)

HCS341
that they wouldnt know what they are doing and instead of helping they be doing the opposite , i undertand that part and i need a 700 word paper and i got 350 but i dont understand what they mean by the descriptiopn of the process... is that like what needs to be done before h...

HCS341
can someone explainwhy training and education are vital in health care and the importance of measuring competencies an is there a Description of the process for tracking and evaluating training effectiveness ? thanks

Hcs341
Explanation of why training and education are vital in health care Explanation of the importance of measuring competencies Description of the process for tracking and evaluating training effectiveness

math
Work out area and diameter and volume if circumference is 16cm and height 2cm

geometry
no picture is posted

Chemistry
For Mn3+, write an equation that shows how the cation acts as an acid.

Chemistry
what is the pH of 0.316 M KC6H5O? what is the pH of 0.245 M CH3NH3I?

Chem Honors
at what temperature will nitrogen gas have a density of 1.13 grams/meters at a pressure of 1.09 ATM

spanish
Los fines de semana yo hago mi tarea y estudio. Yo siembre trabajo los fines de semana. cuando yo trabajo en las mananas,paso tiempo con mis amigos por la noche. yo juego cuando no estoy trabajando o estudiando yo voy al cine. Hay muchas cosas a mi me gusta hacer en mi tiempo ...

Chemistry
Write a balanced redox reaction between mercury and bromine to form Hg2^2+.

Chemistry
Write a nuclear equation for the most likely mode of decay for each of the following unstable nuclides: Kr-74, Th-221, Br-85, Ar-33

Science
How is an oxide ion formed?

Biology
Give an example of a tandem cluster and describe which protein it will produce.

Word within the Word Analogy Help
Actually no, both are not d. contrapuntal means composing of two or more relatively different melodies, and polyphony means different sounds. Choice A, contradictory means opposite sounds and disruption means division. So choice A is the correct answer, NOT Choice D. For the o...

Chemistry
Which gas will be made when Mg, Al, or S reacts with HCl?

US History
My bad

Chemistry
20.5 mL of oxalic acid,H2C2O4 were titrated with 0.800 M solution of lithium hydroxide. It took 40.0 mL of the base to reach the equivalence point. What is the molarity of the oxalic acid?

Chemistry
If a student used 11.54mL of their NaOH solution to neutralize 10.00mL of a 0.445M KHP solution, then what is the concentration of the student's NaOH solution (in Molarity)?

Chemistry
what is the net ionic equation for the reaction of aqueous sodium chloride with aqueous silver nitrate.

algebra
y+y+2=18

English 2
According to Sparknotes, that passage means: "(to herself) To my sick soul (since sin is always a sickness), every detail looks like an omen of disaster to come." I don't have the text in front of me and I am not a Shakespeare expert, but you can either trust wha...

5th grade
15 qt 1 gal = 4 qt 3x4= 12 12+3= 15

Spanish
Thank you! This helped a lot. I do have a couple questions though. So you wouldn't use "se" in a sentence without a direct object pronoun after it? I'm trying to disect these sentences. So with "Se lo doy" doy = I give; lo= it; and se = him?

Spanish
I cannot understand the difference between a direct and indirect object pronoun in spanish. It has been bothering me that I can't get this. I usually understand it when I read a sentence with them, but have trouble when trying to write them.

personal finance
They each take home about $42,000 per year after taxes. Sue is 37 years of age, and Tom is 35. Their two children, Mike and Karen, are 11 and 9. Were either one to die, they estimate that the remaining family members would need about 75% of the present combined take-home pay ...

Lesson 4 Poetry, Part 1
can anyone tell me if my answers are right.

Lesson 4 Poetry, Part 1
i did put my answers if you read they say my answer next to the letter i picked.

Lesson 4 Poetry, Part 1
1. Walt Whitman’s excerpt from Song of Myself can be considered an expression of A. populism. C. imagism. B. romanticism. my answer D. conventionalism. 2. Which one of the following poems has the rhyme scheme AA BB CC DD . . .? A. “since feeling is first” B. ...

DRAMA
1. "The best in this kind are but shadows" is A. Titania talking about men. B. Theseus talking about plays. C. Demetrius talking about the women he has loved in the past. D. Bottom talking about his fellow craftsmen. 2. One difference between tragedy and comedy is th...

Science
1. Which one of the following frequencies of a wave in the air can be heard as an audible sound by the human ear? A. 0.10 Hz B. 10 Hz C. 1,000 Hz (my Answer) D. 100,000 Hz 2. If two waves with equal amplitudes and wavelengths travel through a medium in such a way that a partic...

Poetry, Part 2
1. Hopkins’s use of “seared,” “bleared,” and “smeared” is an example of A. metaphor. C. simile. B. assonance. D. alliteration. 2. A villanelle is A. a narrative poem written in blank verse. B. a formal poem using extensive repetition. C. a fa...

math
Also, whats 62(8)-62(z)?

math
I need to use distributive property to write an equivalent expression. 19(k)+19(2) I don't know what it is? I got 19k(2) though I don't know if it's right.

econ
in what ways do the reasons that explain the downward slope of the aggregate demand curve differ from the reasons that explain the slope of the demand curve for a single product?

economics
how do you change the base year of a price index?

essay
so for an essay we are supposed to write about three achievements that we are most proud of. the thing is i dont really have any achievements (no sports, etc). can anyone give me examples of achievements?

Chemistry - please answer
once I have the limiting reactant how do I go about calculating the mass of h20 produced? Dimensional Analysis would be a good way for me to understand it.

Chemistry - please answer
I think I managed to totally screw up my computer so I did already post this question, but from what I see it is gone now. I don't really know if its actually there or not cuz I can't do anything with computers but here is the question: Hydrogen cyanide is produced ind...

stoichiometry
Hydrogen cyanide is produced industrially from the reaction of gaseous ammonia, oxygen, and methane. 2 NH3(g) + 3 O2(g) + 2 CH4(g) ¨ 2 HCN(g) + 6 H2O(g) If 5.27x10^3 kg each of NH3, O2, and CH4 are reacted, what mass of HCN and of H2O will be produced, assuming 100% ...

stoichiometry
that would be 5.27 times 10 to the third kg by the way.

stoichiometry
Hydrogen cyanide is produced industrially from the reaction of gaseous ammonia, oxygen, and methane. 2 NH3(g) + 3 O2(g) + 2 CH4(g) ¨ 2 HCN(g) + 6 H2O(g) If 5.27 103 kg each of NH3, O2, and CH4 are reacted, what mass of H2O will be produced, assuming 100% yield?

Literature (short story)
i don't know how you all are in the same text book as me but this is so cool. you are right on the spot. i can give you the answers for more tests. i've taken so many. any subject.

trig
what's the question?

social studies
what is a plurality model IT means the winner does not have to get the majority vote, but has to get the most votes. For instance three folks run, one gets 45 votes, one gets 35 votes, and one gets 20. The winner is the 45, even though she did not get a majority. She had the p...

Calculus
What is the integral or e^(-x)? What is the derivative of - e-x ?

ScIeNcE
To make my my question simpler, is ATP formed during photosynthesis or cellular respiration? If I can figure out that little fact I'll be able to do the rest of my worksheet...

science
Is ATP synthesized when chemical bonds between carbon atoms are formed during photosynthesis OR when energy stored in chemical bonds is released during cellular respiration?

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