Tuesday

July 29, 2014

July 29, 2014

Total # Posts: 16

**algebra**

An advertising agency conducted a survey and found that the number of units sold, N, is related to the amount a spent on advertising (in dollars) by the following formula: N = 3,500 + 200 ln a (a ≥ 1) How many units are sold after spending $1,000? (Round your answer to t...

**math**

trish bought 3,000 shares of stock for 59 dollars per share six months laters she sold 3,000 shares for 75 dollars per share if the commission 975 how much did she profit

**math**

Greg and Verena both work for the Spelling Company. Greg earns $18.60 per hour as an assembler, and Verena earns $12.20 per hour as a technician. Last week Greg worked es031-1.jpg hours and Verena worked es031-2.jpg hours. What was their combined earnings for the week?

**math**

The wholesale cost of a video game is $459.45. The original markup was 51% based on selling price. Find the final sale price after the following series of price changes: a markup of 24%, a markup of 17%, and a markdown of 10%.

**math**

The wholesale cost of a video game is $459.45. The original markup was 51% based on selling price. Find the final sale price after the following series of price changes: a markup of 24%, a markup of 17%, and a markdown of 10%.

**English**

Thank You!

**English **

5. Which of the following sentences from the article is an example of hyperbole? (1 point) A.They had proved something amazing: Ivory-billed woodpeckers still graced the planet. B. According to experts, they need large areas of old-growth forest, i...

**statistics**

The average electric bill in a residential area is $72 for the month of May. The standard deviation is $6. If the amounts of electric bills are normally distributed, find the probability that the mean of the bill for 15 residents will be less thatn $75

**Chemistry**

I tried it myself but I'm not sure it is the right steps...please check 1st - I used 0.050 mol/1 L x .012 L to get .00060 mol Cl2 2nd - To get the Ca(OCl)2 grams I used the 1:2 ratio and figured that there is .00030 mol Ca(OCl)2. I multiplied it with 142.98 g molar mass an...

**Chemistry**

Ca(OCl)2 + 2NaCl + 2H2SO4 <=> 2Cl2 + CaSO4 + NaSO4 + 2H2O [We have to prepare 12 ml of 0.050 M Cl2 (Chlorine water) ] [We are given "solid Ca(OCl)2" , "0.20 M NaCl" and "0.50 M H2SO4" and "D-I water"] What is the required quantity ...

**Physics**

What type of spectrum is produced by a hydrogen gas when a high potential difference is applied to it? a visible spectrum emission spectrum absorption spectrum a continuous spectrum I've been all through my notes and cant figure this one out :/

**algebra/trig help please**

is this graphable??? y=x^2-4x-2

**Physics**

Could a simple machine such as a lever, a pulley system or a hydraulic jack be considered a heat engine? Explain your answer. I feel that its the hydraulic jack because if friction is created, heat is also created. I'm not sure though.

**economics 503**

a bowed production possibilities curve PPC indicates, a. trade off between the 2 goods is not constant b. inefficient production c. only 1 good is always being produced d. changing technology. which one?????

**physics**

Thanks

**physics**

Could someone tell me if this is right? The voltage across a 10-ohm resistor carrying 3 amps must be E=I*R == E=3*10= 30 volts

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