Sunday

December 21, 2014

December 21, 2014

Total # Posts: 1,274

**Algebra**

I thought number 4 on this list was incorrect but didn't know how to fully explain it here is the list that I have. Please look at the following simplification of an algebraic expression. Which line contains the mistake and why? Line 1: (2x + 6x) + 4y + 3x - 2xy Line 2: (...
*March 8, 2013*

**Algebra**

11x + 4y - 2xy Is this correct and if not why?
*March 8, 2013*

**nursing**

A physician orders dolasetron (Anzemet) 1.8 mg/kg IV for prevention of chemotherapy-induced nausea and vomiting. Dolasetron (Anzemet) is available in a 20 mg/mL vial. How many milliliters will be prepared and administered per dose to a 134-lb client? not to sure, please help
*March 5, 2013*

**Math**

Find the total investment and the interest earned when $2,500 is invested at 5% compounded semiannually for 3 years.
*February 20, 2013*

**enl**

My cat is too playful
*February 19, 2013*

**geometry**

6. The isosceles trapezoid is part of an isosceles triangle with a 34° vertex angle. What is the measure of an acute base angle of the trapezoid? Of an obtuse base angle? The diagram is not drawn to scale. (1 point)73o; 107o 34o; 146o 73o; 146o 34o; 107o
*February 13, 2013*

**Chemistry**

What is sigma framework?
*February 11, 2013*

**chemistry**

The scientist has an IR spectrometer in her lab. She acquires an IR spectrum of compound X and finds a relatively weak intensity absorption at ~2100 cm-1 and some medium to strong absorptions in the 2850~2960 cm-1 region plus a strong absorption at 3300 cm-1. Identify the type...
*February 10, 2013*

**Math**

Thank you, but i'm still a little confused. I understand everything until the +.76x + .76x (x add to .76x=1.76x) Are you saying to add .76x + .76x then, take the sum of that and add to .0152? I still can't get the 1.76...
*February 10, 2013*

**Math**

Working on a problem and can't figure out how the book rearranged this problem to get the following: 0.76= x/0.0200-x then, the book rearranged to solve for x... x= 0.0200 X 0.76/ 1.76 I don't understand how 1.76 was obtained? I see that you cross multiply to get 0....
*February 10, 2013*

**Chemistry**

A 0.100 mol sample of H2S is placed in a 10.0 L reaction vessel and heated to 1132°C. At equilibrium, 0.0285 mol H2 is present. What is the value of Kc at this temp? 2 H2S(g) 2 H2(g) + S2(g After I do my calculations, I get Kc= (0.0057)2 X (0.00285)/(0.0043)2 and get 5.03 ...
*February 9, 2013*

**Chemistry**

The main reason for the increase in reaction rate with temperature is that: The activation energy increases rapidly with temp (I think it is this one) A 10 C temp rise results in the rate doubling heats acts as a catalyst or The fraction of high-energy molecules increases ...
*February 9, 2013*

**Advanced Algebra Honors**

A rectangular garden 50 m. long and 34 m. Wide is surrounded by a uniform dirt road. Find the width of the road if the total area of the garden and road is 4292 m^2.
*February 7, 2013*

**Literature**

I need help doing a chapter by chapter analysis of the short story Flags Waving by Carolyn Steele Agosta
*January 31, 2013*

**geometry**

Angle BAC equals 1/2 angle ACB; what is angle DAB?
*January 29, 2013*

**least to greatest**

1/5, 1/6, 5/10
*January 22, 2013*

**money conversion problem**

I have a currency conversion problem that I have found difficult to solve. Suppose that a currency speculator believes that as time goes on the exchange rate is going to fall. On November 1st the speculator converts $1,000 US into Canadian dollars (just call the converted ...
*January 22, 2013*

**Algebra**

find the slope -intercept form for 2x+6y=11
*January 12, 2013*

**math**

find the amplitude of y = 3sin2πx.
*January 11, 2013*

**Computers**

In vista and windows 7, which process allows you to display two documents side by side?
*January 5, 2013*

**math**

what fraction of 2 hours is 40 minutes ?
*December 31, 2012*

**math**

calculate the monthly payment by loan amortization table: loan $26,000; down payment $5,000; 11% 36 months
*December 30, 2012*

**math**

write a 2 column proof, Given D is the midpoint of AC, E is the midpoint of BC and DE is congruent to EF, prove: DE is parallel to AB and DE = 1/2 AB. answer is 15 steps
*December 29, 2012*

**math**

I am really stuck on a couple of these. 2 column proof Given: FH is congruent to GE and angle HFG is congruent to angle EGF Prove: triangle GEH is congruent with triangle FHE.
*December 29, 2012*

**geometry**

I am really stuck on a couple of these. 2 column proof Given: FH is congruent to GE and angle HFG is congruent to angle EGF Prove: triangle GEH is congruent with triangle FHE.
*December 29, 2012*

**geometry**

write a 2 column proof, Given D is the midpoint of AC, E is the midpoint of BC and DE is congruent to EF, prove: DE is parallel to AB and DE = 1/2 AB. answer is 15 steps
*December 29, 2012*

**Pre Algebra Help ASAP**

The reason the that C has an infinite number of solutions as opposed to the others is because you essentially have 7x +5 = 7x +5 (because you can add the 4x and 3x to make 7x so any answer will work because it will be the same answer on each side no matter what and the other ...
*December 21, 2012*

**College Algebra**

Reiny thank you because I didn't answer Damon's I knew it had to have something to do with 25 being 1/4 of 100 but your explanation of thinking of it as * 1/4 made sense to me so thank you
*December 21, 2012*

**College Algebra**

Why is t= ln(2)/.04 the same as t= 25ln(2)? Please explain it step by step. What rule do you use or how do you change the .04 to the 25?
*December 21, 2012*

**Algebra Grade 7**

the number cube question Assuming the die (number cube) is fair, any side is equally probable. Therefore the probability of landing on "1" is 1/6. The key here is that the tosses are independent: The previous tosses have no impact on the result of the next toss. So ...
*December 21, 2012*

**Algebra Grade 7**

The chance of having a boy or girl each time is 1/2 so wouldn't you just say 1/2 * 1/2 *1/2 * 1/2 = 1/16 chances of having 2 boys and 2 girls because each of the 4 times it would be 1/2 to have one or the other so it doesn't change just because of what you had previous...
*December 21, 2012*

**Math**

(a) 2D = 13 - 3 (subtract 3 from both sides) then 2D = 10 so divide both sides by 2 and you end up with D = 10/2 10 divided by 2 is 5 so D = 5 (b) 12E - 3= 0 add three to both sides and know you have 12E=3 now divide both sides by 12 and you have E=3/12 Three divided by 12 is ...
*December 21, 2012*

**College Algebra**

I have t = ln(2)/.04 and the book has the answer as 25ln(2) I know these are the same but please show me the steps to go from ln(20)/.04 to 25ln(2) What rules etc. make it so I can do that so I can do it on later problems Thank you
*December 20, 2012*

**CHEMISTRY HELP ASAP**

A 1.26 g sample of He gas has a pressure of 0.123 atm and a volume of 32.6 L. What is the temperature of the sample, in °C?
*December 19, 2012*

**math**

4/5 of x = $12.52. what is x?
*December 13, 2012*

**combusion -science **

the reaction order with respect to C4H10 =.15 and the reaction order with respect to O=1.6 , the pre exponential factor =4.16.10^9 . the activation energy =125000 kl/kaul. write out an expression for the rate of butane destruction
*December 9, 2012*

**chemistry**

Its general formula is BaTi(SiO3)3.If a 15-carat stone were pure BaTi(SiO3)3, how many moles of silicon would it contain? (There are exactly 5 carats per gram.)
*November 29, 2012*

**Math**

when he left on vacation, the odometer in Carl's car read 32,654 miles. hen he returned from his trip it read 33,895. If he used 54.7 gallons of gas, how many miles per gallon did he get? Round to the nearest hundredth.
*November 28, 2012*

**Math-Probability**

a) It's a conditional probability: P(wins/wet)= P(wetand wins)/P(wet)= 0.06/0.20= 0.3 b) 1-0.3=0.7 - I think
*November 26, 2012*

**chemistry**

is there a formula you use to do this promlem?
*November 24, 2012*

**chemistry**

3 Cl2 + 6 KOH go toKClO3 + 5 KCl + 3 H2O How many moles of potassium chlorate form when 2 moles of potassium hydroxide react completely?
*November 24, 2012*

**math**

On september 28, Jennifer Rick went to Park Bank to borrow $4,500 at interest. Jennifer plans to repay the loan on January 22. Assume the loan is on ordinary interest
*November 18, 2012*

**chemistry**

Calculate the molarity of 38.5 mL of 1.80 M HNO3 diluted to 0.130 L with water
*November 17, 2012*

**math**

5x^2=45 How to simplify?
*November 13, 2012*

**math**

5x^2-20x=0 ? How to simplify
*November 13, 2012*

**Alegabra**

Well if it is km.s then yes it is 18.
*November 13, 2012*

**Alegabra**

Units of measurements for answers?
*November 13, 2012*

**math**

Where did you get 110 from exactly?
*November 13, 2012*

**math**

x^2=-11x-10 ?
*November 13, 2012*

**math**

whatis the effective rate of $23,000 invested for one year at 6%, compounded semiannually? round your answer to the nearest tenth. could you help me with this one? i need to see the math worked out please. do you have one worked out on the page so i dont have to wait too long.
*November 13, 2012*

**math**

compounded- what would be the amount of compound interest on $12,000 invested for one year at 6%, compounded quarterly? round your answer to the nearest tenth. could you show me the work please ? i had $737.00 is that answer correct?
*November 13, 2012*

**visual logics**

How do I write a program with three inputs rectangle heights, width, and number of rectangles
*November 12, 2012*

**Econ**

Coca-Cola in dispensers located on a golf course sells for $1.25 a can, and golfers buy 1,000 cans. Assume the course raises the price to $1.26 (assume a penny raise is possible) and sales fall to 992 cans. a. Using the midpoint formula, what is the price elasticity of demand ...
*November 8, 2012*

**English**

what is the question on both of your submissions
*November 8, 2012*

**Math**

Factor Completely 16xsquared+49ysquared Please help me!!!!!!!!!!!!!!
*November 6, 2012*

**basic operations and business basics exan 06041500**

do you have a copy of the exam id like to check my answers.
*October 31, 2012*

**BIOLOGHY**

WHICH OF THE FOLLOWING DESGNATES A NORMAL HUMAN MALE
*October 28, 2012*

**Algebra**

Solve the equation 4L/5=3 L=
*October 27, 2012*

**Math**

X^2-2x-15= can this be done.
*October 27, 2012*

**Math**

How do you graph the line, y=3x+8.
*October 27, 2012*

**Math**

Slove equation 5x^2= 29x +6.
*October 27, 2012*

**Math**

The product of two consecutive postive even numbers is 1088. What are the numbers.
*October 27, 2012*

**math**

if there are 7 boxes of items and the least amount of items in any one of the boxes is 2 and the greatest amount in any one of the boxes is 4. What are all the possible total amounts of items in the 7 boxes combined?
*October 22, 2012*

**Algebra**

(3X+1)/(3)-(3/2)=(1-X)/(4) I am having trouble simplifying the fractions because everytime I do it I come up with a different answer at the end.
*October 21, 2012*

**algebra**

How do you solve: 3x plus 2y = $7.25
*October 21, 2012*

**Math**

Solve the equation. x^2-5x+5=0.
*October 20, 2012*

**algebra**

Solve the equation for y. 8y + 7X = -21
*October 20, 2012*

**Math**

How do simplify the expression (x-3)(2x-5) - (x+1)(x-6)=
*October 19, 2012*

**Algebra**

How do you graph x + 4y = 16
*October 19, 2012*

**simplify expression**

-y+12
*October 18, 2012*

**grammar**

Plural possesive of Mr. Valdez. (i.e., Mr. Valdez's performance at work....)
*October 17, 2012*

**Math**

How do you graph the line y = 3x + 2.
*October 13, 2012*

**Math**

Solve x^2+7x-8
*October 12, 2012*

**Math**

How do you find the three ordered pairs that satisfy this equation Y = 3x - 4. How do you graph the line Y = 5x - 4. How do you graph X = 3.
*October 12, 2012*

**chemistry**

an oxygen storage tank contains 12l at 25 degrees C and 3 atm.After a 4 L canister of oxygen at 25 degrees C and 3atm is emptied into the ,what do you expect the temperature of the tank to be
*October 11, 2012*

**math**

use Distributive property to solve equation 9(b-4)=27
*October 9, 2012*

**Physics**

what is the force that a jet pilot feels against his seat as he completes a vertical loop that is 500 m in radius at a speed of 200 m/s? Assume his mass is 70 kg and that he is located at the bottom of the loop.
*October 6, 2012*

**Physics**

an athlete drops from rest from a platform 10m above the surface of a 5m deep pool. Assume that the athlete enters the water vertically and moves through the water with the constant acceleration, what is the minimum average force with water must exert on a 62 kg diver to ...
*October 3, 2012*

**chemistry**

which of the ff are gases at 50 degrees celcius bromine, mercury, propane, radon, silver
*October 2, 2012*

**visual logics**

I need help drawing for flags increasing in heighth
*September 21, 2012*

**Math**

Explain how to draw a picture to find 3 x 0.9. Grandma needs help for her 5th grade granddaughter!
*September 19, 2012*

**Physics**

In order to open tha clam it catches, a seagull will drop the clam repeatedly onto a hard surface from high in the air until the shell cracks. if a seagull flies to a height of 16.4m, how long will the clam take to fall? The acceleration of gravity is 9.8m/s². Answer in ...
*September 16, 2012*

**Physics**

In order to open tha clam it catches, a seagull will drop the clam repeatedly onto a hard surface from high in the air until the shell cracks. if a seagull flies to a height of 16.4m, how long will the clam take to fall? The acceleration of gravity is 9.8m/s². Answer in ...
*September 16, 2012*

**Finance**

Dr. David Dunn is adding a new piece of diagnostic equipment to the department. Two similar models are offered by two different vendors, and both models would serve the needs of the clinic. both also have an estimated useful life of five years, with no salvage value at the end...
*September 8, 2012*

**Physics**

After having collected samples along the shore all day long, a marine biologist walks back to her campsite, 2.35 km away. Her dog runs ahead, at twice the speed, reaches the campground and turns around until it meets her again. Then, the dog proceeds to run back to the ...
*September 2, 2012*

**CHEM**

can anyone help me please convert water is flowing through a-inchdiameter pipe with a velocity of 3FT/S. WHAT IS the KE of water in (ft) (lbf)/lbm
*August 30, 2012*

**algebra**

The expression: 553.7x + 27,966 Can be used to approximate the average annual salary in dollars of public school teacher in the year 1985 + x What was the average teacher's salary in 1993? In which year will the average salary reach $45,000?
*August 5, 2012*

**medical billing/coding**

21931
*August 3, 2012*

**math**

i need to divide and simplify 11y-44/25 divided by y-4/35y
*July 16, 2012*

**interior decoration**

Which one of the following statements describes benefit ? A self-employment tax is a? The best style of selling to adopt is ? When should you give your client a signer copy of the inventory list?
*June 23, 2012*

**interior decoration**

Which one of the following statements accurately reflect a characteristic of selling? What characteristic of a good salesperson would help overcome a client's objection to a high price? Which of the following strategies would you use to attract customers if you Want to ...
*June 23, 2012*

**interior decoration**

What is pre-shopping? A cold call is a ? The primary purpose of qualifying clients is to?
*June 23, 2012*

**beginning algebra**

12000 was invested in two funds. the first made 5% interest and the second made 8%. the total interest earned was $768. How much wasinvested in each account.
*June 20, 2012*

**beginnning algebra**

the perimeter of a triangle is 136m. If the seond side is 8m. more than half the first and the third side is 12m. less than twice the first, find the three sides.
*June 20, 2012*

**Math**

solve the equation, 2D + 3 = 13, 12E - 3 = 0
*June 17, 2012*

**Math**

Graph the line Y = 5x + 6
*June 17, 2012*

**Math**

Graph the equation X = 1/2 y2
*June 17, 2012*

**Math**

Contract the expressions. In (3) - 2 In (4)+ In (8)= In (3) - 2 In (4+8) = In (3) - 2 (In (4) + In (8) ) =
*June 17, 2012*

**Math**

Suppose the modiefied quota is 5.37. Find the lower quotas and the upper quotas. Find the arithmetic means of the lower and upper quotas. Find the geometric means of the lower and the upper quotas. Round the given modified quotas by comparing it with the geometric means.
*June 16, 2012*

**math **

Calculate the expression in common logarithms. log (80)= 6
*June 13, 2012*

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