Wednesday
April 16, 2014

Posts by na


Total # Posts: 29

Math
Subtract money amounts 1/ Aidan has $5.00 to buy a can of tennis balls that cost $3.79. How much change should he get back? 2/ Sylvia has $10.00 to buy a hairbrush that cost $ 6.88. How much change should she get back?

Math
Q:1 and 2 3/4= 6/8=9/24=12/16=15/20=18/24........ 2/5=4/10=6/16= 8/20= 10/25 My answers true or false

English
Write the vocabulary word from the word box that matches each idea. Communicate - flick - alert- signal - chatter - grooms. 1/.............to make neat and clean . Answer: grooms 2/............. to tell a person or animal something. Answer: communicate 3/ .............to warn ...

chemistry
Mr. Arswan iss preparing a mixture for a science experiment. He measures 10.5 grams of wood shavings, 150 grams of iron filings, and 18.50 grams of salt. What is the total mass of Mr. Arswan`s mixture? A 30.5 grams B 179 grams C 150.5 grams D 17.9 grams

Math
45 divided by 5/11 4/7 divided by 7/8 2 1/2 divided by 4 5/7x =140 Please help Thanks

Physics Help
A 3.50-inch floppy disk in a computer rotates with a period of 2.02E-1 s. What is the angular speed of the disk?

Math
10h+6-5h+3

Physics
A 1.70-kg block slides on a rough, horizontal surface. The block hits a spring with a speed of 2.00 m/s and compresses it a distance of 11.3 cm before coming to rest. If the coefficient of kinetic friction between the block and the surface is μk = 0.534, what is the forc...

PHYSICS
An electron is located on a pinpoint having a diameter of 2.04 µm. What is the minimum uncertainty in the speed of the electron?

english grammer
a or b) for each number as well as an explanation of why you made that choice. just need help explaining why? Answer A 4a. John has become a rather good actor. 4b John has became a rather good actor. Answer A 5a. Some athletes have taken drug tests to prove they are not on ste...

physics
A drag racer accelerated from 0 to 475km/h in 4.88 s. Assuming a constant acceleration, how far did it travel?

RECORD MANGEMENT
I NEED HELP IN CODING AND INDEXING RECORDS.

psychology
“Perpetrators”—students who reported at least one violent act (hitting, shoving, etc.) against their partner in their current or most recent relationship—and

Chemistry...Help!!
this answer is incorrect. The following should be switched: 0.049 L/0.03368 mole =1.455 molar should be 0.03368 mol/0.049 L =0.6873 molar the rest of the steps are correct but you would need to substitute the above number in for the remainder of the problem

physics
A diver springs upward from a board that is three meters above the water. At the instant she contacts the water her speed is 9.6 m/s and her body makes an angle of 84 degrees with respect to the horizontal surface of the water .

science
what volume of benzene ( C6H6 d=0.88g/ml molar mass = 78.11) is required to produce 1.5*10^3 kj of heat

physics
find the distance light travels from its starting point, S, to its final point, F, by traveling two different paths: Note: you'll need to know Pythagorean Theorem.

physics
a butterfly at eye level is 20 cm in front of a plane mirror. you are behind the butterfly, 50 cm from the mirror. what is the distance between your eyes and the image of the buterfly in the mirror?

physics
a. 5 b. ? c. 3 d. ?/?

algebra
f(x)=x+2x+3 and x=1&6

7th grade Math
I think it is 170 because the second person has the first handshake with the new teacher and its like one less.The answer is 170.

7th grade Math
I think it is 170 because the second person has the first handshake with the new teacher and its like one less.The answer is 170.

Algebra
3.To estimate animal populations, biologists count the total number of animals in a small section of a habitat. The total population of animals is directly proportional to the size of the habitat (in acres) polled. a.Write an equation using only one variable that could be used...

ponctuation, mechanisme, and writing
a or b) for each number as well as an explanation of why you made that choice. just need help explaining why? Answer A 4a. John has become a rather good actor. 4b John has became a rather good actor. Answer A 5a. Some athletes have taken drug tests to prove they are not on ste...

chemistry
i'm working on the same project as you. i'll post my answer once i get to this question.

geometry
find the 2 missing patterns 1,2,6,24,120,.. 2,4,8,16,32,.. 1,1/4,1/9,1/16,1/25,.. 1,1/2,1/3,1/4,..

geometry
find the 2 missing patterns 1,2,6,24,120,.. 2,4,8,16,32,.. 1,1/4,1/9,1/16,1/25,.. 1,1/2,1/3,1/4,..

geography
what is a narrow arm of the sea at the mouth of a river where the ocean tide meets the river current called?

development
To what extent does development mean more than than economic growth? Development of what? Please clarify your question and tell us what you think the answer is. We'll be glad to critique your ideas.

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