# Posts by Nikki

Total # Posts: 716

**social studies**

Townshend Acts: Why did the British take this into action?

**Chemistry**

Solid copper oxide reacts with ammonia gas according to the following equation: 3CuO + 2NH3 -> 3Cu + N2 + 3H20 50 grams of CuO is placed in an 80L reaction vessel, and the vessel was evacuated. Ammonia gas was then gradually introduced into the vessel, slow enough for the ...

**Chemistry**

Oh, so to get the rate of a gas, you do moles divided by the time?

**Chemistry**

How long would it take for 2.2 x 10^-4 mol H2 to effuse through the same orifice as the 2.2x 10^-4 mol N2? (It takes 105s for N2 to effuse) I was thinking of setting up the equation like: sqroot(28.014gN2/mol / 2.016g H2/mol) = 3.728 What should I do next? Also, when setting ...

**artist**

John Baldessari's Six Colorful Inside Jobs is about

**science**

HOw can science be found on a skateboard, in a fish tank, in the shower??????

**math**

Suppose a student wants to be a millionaire in 40 years. If she has an account that pays 8% interest compounded monthly, how much must she deposit each month in order to achieve her goal of having $1,000,000? What is the present value of this annuity?

**math**

Suppose a student wants to be a millionaire in 40 years. If she has an account that pays 8% interest compounded monthly, how much must she deposit each month in order to achieve her goal of having $1,000,000? What is the present value of this annuity?

**algebra**

Chris has $100 in his savings account and he adds $20 a month to the account. The total amount can be represented by the linear function T = 20x + 100. His goal is to have a total of $300 in four more months. What should he change in the function to reach this goal?

**PRONOUNS? ENGLISH HELP**

Which pronoun correctly completes the sentence? Everyone in the girls’ choir has ___ own concert folder. A. she B. her C. their I'm thinking it is B, since it is the GIRLS' choir.

**english**

My advice to you: Learn to spell before asking a question here; this way, people who could possibly answer it will be able to understand you.

**english**

Whoops, ignore the "mansSoftVoiceOfTheSerpent 205x300 Soft Voice of the Serpent: Analysis & Summary" part..

**english**

A simple Google search will get you far. "Soft Voice of the Serpent, a short story by Nadine Gordimer tells of the most bizarre relationship which a man, who has lost his leg, has with a wounded locust. When the man who is still trying to accept his own injury, notices ...

**Lang Arts - HELP!**

I finished the quick check and the answer is A for anyone wondering.

**Lang Arts - HELP!**

Ah, thank you for clearing that up. I have to agree with you on this one. Thanks again. :)

**Lang Arts - HELP!**

How can you be so sure, might I ask?

**Lang Arts - HELP!**

"The magic might die by the first of September, but now in late June there was still plenty of magic, and shoes like these could jump over trees and rivers and houses. And if you wanted, they could jump over fences and sidewalks and dogs." 1. What effect does the ...

**maths**

need the steps please

**maths**

the perimeter of a parallelogram is 28 cm and ratio of the adjacent sides is 3:4 find the sides of a parallelogram?

**science**

Valency is the combining capacity of an element. It is the number of electrons in an atom that actually take part in bond formation. For example, carbon atom with an atomic number 6 has 4 valence electrons.K LC6 2 4 Carbon atom is capable of forming 4 bonds. Hence its valency ...

**english**

The word 'is' is in the present tense as well, but in this case, you are correct -- it is B/'are.'

**Math**

6(y²-2) + y < 0

**Math/Probability**

How do I calcuate probability word problems

**3rd grade math**

draw a box that has 3 valumes of 12 cubic units in 3 different ways

**finance**

Smith Technologies is expected to generate $125 million in free cash flow next year, and FCF is expected to grow at a constant rate of 3% per year indefinitely. Smith has no debt or preferred stock, and its WACC is 14%. If Smith has 45 million shares of stock outstanding, what...

**math**

weight of car A is 15 lb less than the weight of two B cars. The truck weighs 2155 lb more than car A. What is the curb weight of each vehicle?

**Money and Banking**

Canada's 5 largest investment banks are owned by Canada's largest banks. This is because: a) They are all ultimately owned by the taxpayer b) Investment banks must have bank depositor's cash to give them liquiditiy c) Ultimately, they are in the same kind of ...

**Business/Finance**

Your credit card: a) Is a form of demand deposit b) Is a form of time deposit c) Is an asset d) Has all the functions of money So from my understanding, credit cards are not an asset, since they do not store value, can't be sold or given away. Hence they also do not have ...

**math**

The hypotenuse of a right triangle is 1 cm more than twice the shorter leg, and the longer leg is 9 cm less than three times the shorter leg. Find the lengths of the three sides of the triangle..

**Physics**

A tire 2.0 ft in diameter is placed on a balancing machine where it is spun so that its tread is moving at a constant speed of 51 mph. A small stone is stuck in the tread of the tire. What is the acceleration of the stone as the tire is being balanced?

**math**

frank cut a pie into 10 equal slices there are only 3 slices left what is the measure of the angle for the 3 slices that are left?

**calculus**

Let f be the function be defined by f(x)=5^((2x^2)-1)^(1/2) A) is f an even or odd function? Justify answer. B) find the domain of f. C) find the range of f. D) find f'(x)

**Calculus**

Let f be the function be defined by f(x)=5^((2x^2)-1)^(1/2) A) is f an even or odd function? Justify answer. B) find the domain of f. C) find the range of f. D) find f'(x)

**arithmetic**

the $225 per decameter. if you multiply the 24.75 timesten you get Way high than $225

**arithmetic**

The city counsel is trying to buy fencing the size of 740 meters. One fencing company is offering $24.75 per meter another is offering $225 per decameter. Which is the better buy???

**Math**

An open box is made from a square piece of metal by cutting out a 4 inch square from each corner and turning up the sides. Find the area of the original square if the box is to contain: A) 16 cubic inches And B) 400 cubic inches

**math**

Suppose you roll a fair die 18 times. (a) What is the sample space? (b) What is the probability that each number from 1 to 6 appears exactly thrice? (c) What is the probability that the number 1 appears exactly twice, 3 appears exactly four times, and 5 appears exactly six times?

**math exam prep question**

determine the quadratic equation with x-3 sqrt of 2 and -3 sqrt 2 in the form ax^2+bx+c=0?? How do you do this I do not know how to..please explain Thanks!

**math exam prep question**

no simplify sorry forgot to specify..

**math exam prep question**

how do u do 9x^2-30xy+2y^2 ?

**math exam prep question**

Simplify: 1/4a+2 + 4/6a+3 I got 14/6(2a+1) but I don't think it is right

**math exam prep question**

oh yeah sorry for some reason i did 8+6/6(2a+1)...it should have been 11 thanks for the help:)

**math exam prep question**

Simplify: 1/4a+2 + 4/6a+3 I got 14/6(2a+1) but I don't think it is right

**Computer**

What is the standard configuration for a newly purchased hard drive? A. Master-drive B. Single-drive C. Slave-drive D. Primary-drive

**Computer**

What is the name of the Windows Utility that you use to format drives? A. System Manager B. System Drive Manager. C. Disk Management D. Windows Drive Administrator

**Computer**

For which operating system is exFAT NOT an option when formatting a partition? A. Windows XP with SP3 B. Windows XP with SP2 C. Vista with SP1 D. Vista

**Computer**

You have an empty 64 bit PCI slot in your computer. What can you install in it? A. A single 64 bit adapter card B. A single 32 or 64 bit adapter card C. A single 64 bit adapter card or two 32 bit adapter cards D. A single 64 bit adapter and an 8 bit adapter

**Computer**

My Guess is B

**Computer**

Your computer is running very slow. The LED light for the hard drive blinks nearly continually, indicating that the hard drive is spinning even when data is not being saved or read from the hard drive. Based on this scenario, what is probably causing the slowness of the ...

**Computer**

Your computer is running a lot of services and applications when you log on that you never use. What implications can this mean for your computer? A. Unused services and applications take up valuable hard drive space. B. Your computer uses more power than it needs to. C. 32 ...

**Last Question Plz helppp:((im soo sleepy!!:(**

1)The reaction between solid sodium and iron(III) oxide, Fe2O3(s), is one in a series of reactions that occurs when an automobile air bag inflates. 6Na(s) + Fe2O3(s) -> 3Na2o(s) + 2Fe(s) If 100.0 g of iron(III) oxide are used in this reaction, what mass of solid iron will ...

**Chemistry**

1)The following balanced chemical equation represents the reaction of calcium carbonate CaCO3 (s), with hydrochloric acid : CaCo3(s) + 2HCl (aq) -> CaCl2(aq) + CO2(g) + H2O(l) If 155 g of calcium carbonate reacts with 245 g of hydrochloric acid, what mass of calcium ...

**Math**

Its 16-9 which is 7 and therefore it is 7/24:P so simple..

**Algebra**

Two functions f and g are defined by f:x = x^2 + 3 g:x = 2x+1 Find the function fg

**Algebra**

Two functions f and g are defined by f:x = 25 /(3x-2) g:x = x^2 Find the composite function

**physics**

An object is placed 5 cm in front of a concave lens of focal length 7 cm. Find the image location by drawing a ray tracing diagram to scale.

**Grammar**

Identify the parts of speech the this sentence. When they raise me to a high position, then ill get a raise

**math**

There are 12 slices of pie if jerry ate 1/3 of the pie, how many slices did he eat?

**Finite Math**

525

**chemistry**

A 93L sample of dry air is cooled from 145 to-22 under constant pressure.What is the final volume?

**organic chemistry**

What is the major product of the nitration reaction of 2-methylacetanilide? Why is it the major product?

**Chemistry**

A 0.08425 g sample of gas occupies 10.0-mL at 292.5 K and 1.10 atm. Upon further analysis, the compound is found to be 13.068% C and 86.932% Br. What is the molecular formula of the compound? Identify the geometry around each carbon atom. a)trigonal pyramidal b)bent c)...

**Business Research**

A data processing analyst for a research supplier finds that a preliminary computer run of survey results show that consumers love a client’s new product. The employee buys a large block of the client’s stock. Discuss the ethical ramifications of this decision. Which...

**math**

4 3/4 + 3 1/2 ADD AND WRITE IN SIMPLEST FORM

**Culturally Diverse Background**

can you help For children who are learning English as a second language, context embedded activities enhance: a. written language b. child-child socialization c. vocabulary development d. assimilation into mainstream culture. me with this question

**Culturally Diverse Background**

The process of learning "code-switching" is meant to: a. foster social fluency. b.teach a student the approprite use of Standard English and his/her own dialet.c. encourage one to change grammatical markers d. focus the child on mastering use of Standard American ...

**Factor Theorem Math**

Use the Factor Theorem to determine the rational zeros of this function. Then use other methods to determine any other zero of this function. 4x^4-x^3-11x^2-2x+6 (I already did p/q and found a total of 16 possible zeros. I synthetic divide all of them and none gave me a root ...

**physics**

Did you ever figure it out?? I am doing something VERY similar now

**Psychology**

Class x drugs have an extremely high risk of causing defects to the fetus during pregnancy, therefore the answer would be B.

**Trig**

Steve, you are the best! Thanks for your patience.

**Trig**

okay so, d^2=282.24+501.76-752.64(cos45°) =22.1749sqrt =4.7090 Not the same answer you got.

**Trig**

H=Home P=Pitcher S=Second Base HP=16.8 HF=22.4 Find distance PF d^2=16.8^2+22.4^2-2(16.8)(22.4)cos H d^2=282.24+501.76-752.64cos d^2=31.36cosH Stuck from here....

**Trig**

They aren't explained in a way that I can understand them. Can you explain more clearly?

**Trig**

A baseball diamond is a square with sides 22.4m The pitchers mound is 16.8m from home plate on the line joining home plate and second base. How far is the pitchers mound from first base?

**Math**

A baseball diamond is a square with sides 22.4m. The pitchers mound is 16.8m from home plate on the line joining home plate and second base. How far is the pitchers mound from first base? Step by step please.

**Trig**

Lol! Apparently I have been working on this question too long! Thanks!

**Trig**

Yes I understand the diagram points and can see how you came up with this now but am having trouble coming up with an answer for xtan6°=(1.1-x)tan13° I know this is basic but I am having trouble isolating the x! I am getting x=tan13°-tan6°/1.1 which is giving ...

**Trig**

Can you show me the steps you used to isolate x?

**Trig**

From an observation tower that overlooks a runway, the angles of depression of point A, on one side of the runway, and point B, on the oppisite side of the runway are 6 degrees and 13 degreess respectivel. The points and the tower are in the same vertical plane and the ...

**Math**

A 5.0m ladder is leaning 3.1m up the wall. What is the angle the ladder makes with the ground? Would this be..... sinA=3.1/5.0 sinA=0.62 sin^-1=38degrees?

**math**

Mrs. rhombus has to make supply bags for a math lesson. She has 60 folders, 45 pairs of scissors, and 30 rulers. What is the greatest number of supply bags that Mrs. Rhombus can use to divide the school supplies into equal groups?

**chemistry**

calculate the volume in milliliters of a 5.55g sample of solid with density of 3.67g/ml

**math 116**

Find value for m and b so that y=mx+b models the monthly cost of driving the car x miles. Car costs $156.10 and $0.25 per mile

**PHYSICS**

7227.1

**Math, Pre Calc**

Given that (+-2) and i are the roots of a 4th degree polynomical, find the equation. Please help! Thank you:)

**sculpture**

I have Art III Ceramics. I need a concentration piece to make at least 5 sculptures. I decided on pandoras box. the 5 emotions that were chosen were hope, sickness, vanity, jealousy, and lazyness. I know this is an uncreative way to get a concentration idea but i have been ...

**POl**

An inactive substance or simulated medical procedure is called a

**economics**

what are some mesoeconomics variables/indicators

**Math**

No

**College Algebra**

R(x)=x^3-125/x^2-49

**econmics**

The %increase in price= (7-5)/5x100= 40% The %decrease in quantity=(25-15)/25 x 100= 40% Elasticity=40/40=1,unit elasticity.

**Trigonometry**

Would it be the same answer as the other problem?

**Trigonometry**

Use the half-angle identities to find all solutions on the interval [0,2pi) for the equation sin^2(x) = cos^2(x/2)

**Trigonometry**

Use the half-angle identities to find all solutions on the interval [0,2pi) for the equation cos^2(x) = sin^2(x/2)

**Trigonometry**

Show algebraically how to confirm that cos2x=cos^2x-sin^2x using the sum and difference identities

**physics**

if the swinging pendulum (pirate ship) swings on an arc with a radius of 10 meters, how much time does it take to swing through 5 swings?

**Math**

It cost your office $620 to mail 500 flyers. How much did it cost to mail each flyer?

**chemistry**

Na + H2O ¨ NaOH + H2 How many moles of H2 would be formed from 30 grams of Na in the following (UNBALANCED) equation?

**graphs and angles**

a survey about students government program at a school found that 120 students wanted an after school program and 240 students wanted durning school and 40 students wanted none, If a circle graph is made from this data, what would be the measure of the central angle for the ...

**Early Childhood Literacy**

Erikson's work identified: