Sunday
April 20, 2014

Posts by please help!!


Total # Posts: 19

Engineering
The power plant is to be operated in a region where the same company operates several other coal fired power plants that were all built in the 1960s. The new power plant is planned to have 500 MW energy generating capacity. The next largest plant is 50 MW and each is emitting ...

Engineering
The power plant is to be operated in a region where the same company operates several other coal fired power plants that were all built in the 1960s. The new power plant is planned to have 500 MW energy generating capacity. The next largest plant is 50 MW and each is emitting ...

Spanish
Complete the paragraph with the appropriate definite articles. Hola chicos, yo soy (1) señora López, (2) nueva (new) profesora y éste (this) es Carlos, (3) conductor. ¿Ustedes son (4) pasajeros? Aquí (Here) tienen (5) documentos y (6) maletas.

Accounting
Hankco accepts all major bank credit cards, including Omni Bank's, which assesses a 3% charge on sales for using its card. On June 28, Hankco had $4,500 in Omni Card credit sales. What entry should Hankco make on June 28 to record the deposit? A. Debit Accounts Receivable ...

English PREP 080
I need help trying to figure out if the sentence is simple or compound; The party, planned at the last moment, was a success.

math
First you need to assign your unknowns Math Books: 7 History: x Science Books: x-4 Total books: 25 so your equation is going to be 7+x+x-4=25 Then you can solve. I hope this help!

Physics -- sound
An organ pipe that is closed at one end has a fundamental frequency of 146 Hz. There is a leak in the church roof, and some water gets into the bottom of the pipe, as shown in the Figure. The organist then finds that this organ pipe has a frequency of 273 Hz. What is the depth...

IPC
i dont have a book or anything to go look all this stuff up so i really need help understanding this.. Which of the following statements is not true? a)negatively charged objects attract other negatively charged objects. b)postively charged objects attract negatively charged o...

IPC
hahaha thank you! it helped a lot! :)

IPC
okayy sooo this matching thing is wierd.. i dont understand it.. Zeroth First Second -Heat can change energy from one form to another, but the amount of energy in the universe is constant. -Two objects in thermal equilibruim will have no net heat flow between them. -The tenden...

IPC
Okayy thank you! :) That makes sence now lol

IPC
i have no idea how to do this at all please explain... The specific heat capacity of copper is 0.09 cal/g°C. How much energy is needed to flow into a 10-gram sample to change its temperature from 20°C to 21°C?

physics
On a string instrument of the violin family, the effective length of a string is the distance between the bridge and the nut. For a violin, this distance is 30 cm, while for a cello it is 36.6 cm. The string of a violin is placed in a cello with the intention of producing a so...

physics
While blowing its horn of frequency 477 Hz, a car accelerates at 0.94 m/s2. The car starts from rest by your side and moves away. How many seconds does it take for the frequency you hear to decrease by 5%? Hint: Do not forget to include the time it will take for sound to reach...

math(algebra 1)
so are these correct? 2)y=-3x-1 x-3y=3 x=0 y=-1??? 3)3x-y=9 2x+y=6 dont know help?? 4)x-2y=0 3x+y=0 please help!!! i dont know how you changed x - y = 4 to x = 4 + y tell me please Thanks!!

Math
1/2x > -3 I do not understand how to solve

Math
The rule for multplying and dividing both sides of an inequality do not meantion zero. Explain why??

Biochemistry
If 400 mL of 0.1 M NaH2PO4 is mixed with 100 mL of 0.1 M H3PO4, what is the pH of the buffer mixture. The pKa of H3PO4 is 2.1.

math
Solve the poloynomial x^3+4x^2-x-4=0

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