# Posts by Bradley

Total # Posts: 90

Math
The question on a multiple choice test each have 4 answer choices. Describe a model that you could use to simulate the outcome of guessing the correct answers to a 50 question test?

Maths
8000*250=2 000 000 1.2*8000*200=1,920,000

Math Question
Evaluate the following expression: 1 + 4 x 7 + (5 -2)² ÷ (7 - 4)

Math Algebra PLEASE EXPLAIN
Cell Tell is expanding to a new area of town. The store's budget allows \$2,500 per month to rent the needed 600 square foot kiosk. What is the maximum annual rate per square foot that Cell Tell can pay?

MATH HELP PLEASE Explain
Onondaga Electronics operates on a net-profit rate of 20% on its printer cables. If the markup is \$8.95 and the overhead is \$4.31, find the net profit and the selling price

MATH HELP PLEASE Explain
The Kitchen Kompany operates on a 145% markup rate based on the cost. The markup on the store's new line of cabinets is \$300 per cabinet. Find the cost of one cabinet and its selling price.

MATH HELP PLEASE Explain
Brownies and More sell all types of cookies and pastries. On Tuesdays, they markdown all brownies 75% to a sale price of \$1.50 a dozen. Find the regular selling price and the markdown of a dozen brownies.

english, afrikaans, Maths, life orientation, histo
What can I be if I have this subjects

Science Please Help
Human activities, like burning fossil fuels and deforestation, have greatly contributed to global warming. In this assignment, you will go on a trip around the world to explore the effects of climate change. Choose one destination that is represented by a flag. Write a ...

algebra
A(n) = 5 + (n-1)(-3)

english
Speech about the a mythical character /legendary hero who I admire He is Israel makoe

English check
Dont listen to little dark one. It is A, ariana is right

Business Math
0.1 x 12,300 = 1230. Thank you, I had a brain fart there.

Business Math
I'm wondering if I got this question right. A car salesman receives a commission of 10% of the selling price of a car. Find the commission the salesperson earns for selling a car for \$12,300. The answer I got was \$12,3000.

Math
Hi, I needed help with this improper integral. lower limit : 2 upper limit : infinity integral of (lnx)/(x+1) dx Thank You so much :D

Math PLZ help me
Hi, I needed help with this improper integral. lower limit : 2 upper limit : infinity integral of (lnx)/(x+1) dx Thank You so much :D

CALCULUS II
Hi, I needed help with this improper integral. lower limit : 2 upper limit : infinity integral of (lnx)/(x+1) dx Thank You so much :D

math
How do I solve: 6x+4y>=80 6x+4y<=170

Math URGENT!
2. 9X-2=34+3X 4.x/3-15=12+x 6.11+4x=7+5x 8.-7+x=-8-x 10.0.45x+25=40+0.25x

College Finance
Warp Tense Ltd. has the following assets: Current Assets (Temporary): \$2,000,000 Current Assets (Permanent): \$500,000 Capital Assets: \$4,500,000 Total Assets: \$7,000,000 Its operating profit (EBIT) is expected to be \$0.45 million. Its tax rate is 30 percent. Shares are valued...

ashworth
I as well go to the same school for home schooling, maybe we should all connect... 'Bout to make a school topic on my gaming forums... Ya'll should subscribe, I'm working on intro part 2 section 4... 666(dot)thegenuinewriter(dot)com then click on forums

Psychology
Creative thinking tends to be: Divergent Convergent Functional fixedness Dependent on algorithms

Spelling
What are the unusual spelling patterns for wonder and gasoline?

Life orientation
flood

Physics
A 0.495-kg mass is attached to a horizontal spring with k = 108 N/m. The mass slides across a frictionless surface. The spring is stretched 33.3 cm from equilibrium, and then the mass is released from rest. Find the speed of the mass when it has moved 4.79 cm? Find the maximum...

physics
A box of textbooks of mass 24.8 rests on a loading ramp that makes an angle with the horizontal. The coefficient of kinetic friction is 0.25 and the coefficient of static friction is 0.35. At this angle, how fast will the box be moving after it has slid a distance 4.9 along ...

Chemistry
Question: What mass of water, in grams, would have to be decomposed to produce 17.6 L of molecular oxygen at STP? Work: n=PV/RT x=(1 atm)(17.6 L)/(0.0821)(273 k) x = 1.27348295454546 1.27348295454546 x 2 = 2.54696590909092 Grams= Moles x 18.0 Grams = 2.54696590909092 x 18.0 ...

Chemistry
If 17.14 grams of nitric acid are reacted with a large amount of aluminum metal, what volume of of hydrogen gas would be produced at STP? What would be the balanced equation for this problem?

Chemistry
What mass of water, in grams, would have to be decomposed to produce 13.3 L of molecular oxygen at STP? How do I go about doing this problem?

Chemistry
If 16.01 grams of sulfuric acid are reacted with a large amount of aluminum metal, what volume of hydrogen gas would be produced at STP? What is the balanced equation?

Chemistry
At STP, 461 mL of a gas have a mass of 1.88 g. What is the molar mass of the gas?

Chemistry
Thank you Dr. Bob!

Chemistry
Question: What is the maximum number of liters of HNO3(g) that can be made from 14.88 L of H2O(g) and 10.66 L of NO2(g) at STP? 3 NO2(g) + H2O(g) ==> 2 HNO3(g) + NO(g) I have no idea how to do this. Please help if you can.

Chemistry
I realize my mistake now.

Chemistry
Oops, the 101 is 10^1, Sorry.

Chemistry
Question: A sample of Freon-12 (CF2Cl2) occupies 2.261 x 101 L at 337 K and 2.917 x 102 kPa. Find its volume (in L) at standard temperature and pressure (STP). Equation: p1v1/t1=p2v2/t2 My Work: (2.917 x 102 kPa)(2.261x101 L)/337K = (101.3 kpa)( x )/273 k My Answer: 543.4 L Is...

Chemistry
I posted this question earlier, but I believe it was a bit confusing in the way I typed it. Given the following two step reaction: 4 P + 5 O2 -> P4O10 P4O10 + 6 H2O -> 4H3PO4 If you have 8.28 g of P, 15.65 g of O2, and 19.95 g of H2O, how many grams of H3PO4 can be ...

Chemistry
If 18.80 grams of hydrochloric acid are reacted with a large amount of aluminum metal, what volume of hydrogen gas would be produced at STP? (Hint: start by writing a balanced equation for the reaction.) 3HCl + Al -> 3H + AlCl3 18.80g moles= grams/mw 18.80/109.5 0....

Chemistry
Thank you SO much. Not only did you help me get the correct answer, but you helped increase my understanding of these problems. Cheers to you.

Chemistry
How many milliliters of 0.0850 M Na3PO4(aq) will react with 22.00 mL of 0.0800 M MgCl2(aq)? 3 MgCl2(aq) + 2 Na3PO4(aq) ==> Mg3(PO4)2(s) + 6 NaCl(aq) V x M = V x M (22.00mL)(0.0800M) = (0.0850M)(x) Is this the correct set-up? Does it have 4 sigfigs, or am I wrong?

Chemistry
4 P 8.28g m=g/mw x=8.28/124.0 x=0.067 + 502 15.65g x=15.65g/160 x= 0.0978 = P4O10

Chemistry
4 P + 5 O2 -> P4O10 8.28g 15.65g moles=g/mw x=15.65g/160.0 x=8.28/124.0 x= 0.0978 x=0.067 Which one would be limited? Please help if possible. Also, are my sigfigs correct?

Chemistry
Given the following two step reaction: 4 P + 5 O2 -> P4O10 P4O10 + 6 H2O -> 4H3PO4 If you have 8.28 g of P, 15.65 g of O2, and 19.95 g of H2O, how many grams of H3PO4 can be produced?

Trig/Pre-Calc
\$2500 is invested in an account at interest rate r, compounded continuously. Find the time required for the amount to (a) double and (b) triple. r=0.085 I know you use the formula A=Pe^rt and you would start by setting it up as follows: A=(2500)e^(0.085)(t) I'm not sure ...

Biochem
What concentration of competitive inhibitor is required to yield 75% inhibition at a substrate concentration of 1.5x10-3 if Km=2.9x10-4 and Ki=2x10-5?

Finance
You have found the following stock quote for RJW Enterprises, Inc., in the financial pages of today's newspaper. The closing price for this stock that appeared in yesterday's paper was \$????. If the company currently has 17 million shares of stock outstanding, the net ...

physics
Find required water pressure to supply water at h = 35.0 ft and P = 40.0 Lb/in^2. ----------------------------------- Working equation: P = hDw where P = pressure, h = height, Dw = weight density (Dw for water is 62.4 Lb/ft^2) ----------------------------------- P at bottom = ...

History
Prove that one Jew was gassed by Nazi Germany. For any gassing, use a Nazi document to show each of the followng: the location of the gassing, the duration of the gassing, the date of the gassing, the hour of the gassing, the preparations for the gassing, the physician present...

psychology
wite a 7 page research paper in apa format on post traumatic stress disorder in combat personnel

math
Peform each indicated operation by using LCD and simplify the result. Can you please show me the steps on how you got the answer because I don't understand how to these problems. Thank you. y+2 over y^2+2y+4 + 1 over y-2 z-3 over z^2+z-6 + 2z+1 over z-2

spanish
Your question is translated as where did you graduate from high school? Your sentence should say something like: Yo gradue (with an accent on the e) de *insert school name*

Business Law
What are some good web sites to visit to learn about government agencies?

4th grade math
find the value of n. n / by 30 = 20

Biology(everyone answer i need alot of opinions)
I work in a hospital so I know this. I say E because it you have strep throat u are usually prescribed amoxicillin. If you quit taking it before the prescription runs out then you run an extremely high risk of getting the ailness ten times worse. So keep taking it until ur ...

MATH
Write an equivalent fraction for 6/8

MATH
Write an equivalent fraction for 12/36 =

MATH
Rename each fraction as a mixed number. 17/4.

social studies
What aspects of life in the seventeenth-century England would you find the most different from life today? Select three or four concrete examples of life in the seventeenth century that seem unusual to you, and explain why you find the unusual.

MATH
FOLLOW THE ORDER OF OPERATIONS TO FIND THE VALUE OF EACH EXPRESSION. 45 DIVIDED BY 9 MULTIPLE 3 =

medical terminology
As an O.R. tech in a hospital, abbreviations have screwed me over. There are some abbreviations that once meant something but theyve changed to something else. Reducing errors by writing out words will help better understand rather than guessing how many units of a certain ...

5th grade
how do you know the difference between complete predicates and complete subjects

U S History
How did human history in North America, from 1500 B.C. to 1500 A.D., differ from the events of Asia, Eurasia, and Europe on humanity during the same period?

accounting
\$50,000 x .31524 = \$15,762.00 +\$5,000 x 8.55948 = \$42,797.40 You would pay a total of \$58,559.40 Pro tip: Use the tables in book to find .31524 (which is 8% @ 15 periods for present value of 1) and 8.55948 (which is 8% @ 15 periods for present value of an ordinary annuity of 1)

Quick Spanish
1. How is Felipe? 2. Are the boys good friends? Why? 3. How are friends in your class?

trig
yes

trig
Evaluate giving exact values and identities. Calculator based solutions are not acceptable. Thanks for any help sin (-pi/12)

algebra
Evaluate giving exact values and identities. Calculator based solutions are not acceptable. Thanks for any help sin (-pi/12)

trig
The equation f(x) = 3x^3 + 10x^2 - 16x - 32 has a root at x = -4 a) Find the depressed equation using synthetic division and the root given. Factor out any constants that may appear. b) Factor the depressed equation (which is now a quadratic) using any method EXCEPT synthetic ...

algebra
The equation f(x) = 3x^3 + 10x^2 - 16x - 32 has a root at x = -4 a) Find the depressed equation using synthetic division and the root given. Factor out any constants that may appear. b) Factor the depressed equation (which is now a quadratic) using any method EXCEPT synthetic ...

algebra
Rewrite the inequality x/-3 < 4 in terms of x

Science
Environomentalist as the five basic cause of eniveronmental problems that we face have indentified the following. I) Rapid population growth II) Unsustainable resource use III) Poverty IV) Not including the environmental cost of economic goods and services in their market ...

Science
Is the wealth gap good or bad for (a) you, (b) a poor person, and the environment? Assuming that you believe that the wealth gap is bad, what three things should be done to narrow this gap? What obligation should a wealthy person, corporation, or a country have to (a) reduce ...

chemistry
Thank you! Umm...Whats a quant book? A book read by extraterrestrials??:P

chemistry
HI ==> H^+ + I^- HI is a strong acid and ionizes 100%. If (HI) = 0.06 M, then (H^+) must be 0.06 M. pH = -log(H^+). pOH = 14 - pH. pOH = -log(OH^-) Post your work if you get stuck. pH = -log(o.o6 M) = 1.22 pOH = 14 - pH = 14 - 1.22 = 12.78 pOH = -log(OH-) What is OH-?

chemistry
Strychnine, C21H22N2)2(aq) is a weak base but a powerful poison. Calculate the pH of a 0.001 mol/L solution of strychnine. The Kb of strychnine is 1.0 x 10^-6 DrBob222, I am planning on obtaining a pHD in about nine years:P Can you give me some advice on how to be that 1% of ...

chemistry
What is the pH, pOH and [OH-] of 0.06 mol/L HI(aq)?

chemistry
What mass in grams of potassium hydroxide is cntained in 500 mL of solution that has a pH of 11.5?

Algebra
Does any know if I am correct? One person said yes, but someone else said no. There was not a reason posted why I was wrong.

Algebra
Does any one know if I am correct? One person said yes, but some one said no. There was not a reason why or where I was wrong.

Algebra
I am not sure if I did this right, it is the theorem on bounds to establish integral bounds for roots of equation. 6x^3-7x^2+7x+9=0 1 6 -7 7 9 0 6 -7 7 9 6 -1 6 0 0 0 6 -1 6 15 6 -7 7 9 -1 6 -7 7 9 -6 13 20 6 -13 20 29 answer is -1<x<1

Algebra
My problem is compute and simplify the difference quotient f(x+h)-f(x)/h h is not = 0 f(x)=7x-9 answer is 7

Algebra HELP!
If they are suppose to be exponents, that would make more sense. But my problem was written exactly as I typed it. So the answers they are looking for are the values of x, y, and f(x)? Thank-you for your help.

Algebra HELP!
I cannot find an example and am confused about what to do with this problem. Can someone tell me what they want? Do they want me to graph the function and determine x&f? I am just not sure how to get my answer. My problem is: Compare the graph of the given quadratic function f...

Algebra HELP!
I cannot find an example and am confused about what to do with this problem. Can someone tell me what they want? Do they want me to graph the function and determine x&f? I am just not sure what why my answer is suppose to be. Compare the graph of the given quadratic function f...

Algebra
expression in lowest terms 5(y-1)/(y-1)(y-4) =5/y-4

Maths
What is an alternative Axis in a polygram?

oratorical piece
i need a oratorical piece

English
I need to write a short toungue twister. With a word describing me. and then my name followed my adjectives. using the letter B in as many words as posiible. Have any ideans.... im kind . hard working resposible lovingcaring . etc etc. Have any ideas for me.. ?? __________ ...

teachers
Why don't most teachers at public schools let us think for ourselves? it's insulting. I am in English 3 and my teacher does all our work for us. What should we do? Here is my advice. Either bite your lip, and remain quiet, or discuss it privately with the teacher. Be ...

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