Wednesday
April 16, 2014

Posts by lesly


Total # Posts: 27

science
If a rock has a speed of 12 m/s as it hits the ground, from what height did it fall, assuming its initial speed was zero? Its mass is 50 kg.

science
I NEED HELP!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!...

Chemistry
When looking at the Periodic Table, the oxidation state of hydrogen is +1; however my teacher told me that the net charge of hydrogen is 0. I do not understand why this is? Also, How may one calculate the charge of an element if only given the number of protons and neutrons (I...

world geography
In terms of GNI PPP per capita, excluding Singapore, the wealthiest nations of Southeast Asia are

math :)
Solve for x: 6(x+3) =2x +27

math
Find a shortcut for computing the sum: 1+3+5+7++11+13+15+17=?? Explain your shortcut and how you could use this same shortcut to find the sum of all the odd numbers form 45 to 99.

math !!!! :O
Courtney’s mother is a nurse. She came to school to check out posture and out backs. She told us that about 4.6% of children have a problem called scoliosis. There are hundred twenty-five students in our school. If our school is like the average, how many children will s...

math
what is the 10th term in this arithemetic sequence of 2,9,16,23,30?

math
Combine Like Terms!!!! -6z-3z-6x^2 and how did youget the answers???

math
Combine Like Terms!!!! -6z-3z-6x^2 and how did youget the answers???

math
The seventh book in the Harry Potter series has 759 pages. How many 2s were used when typing the page numbers?

Math
Simon and Jimmy had 167 stamps altogether. Simon gave 4/7 of his stamps to Trina, and Jimmy gave 37 stamps to Trina. Simon and Jimmy had the same number of stamps left. How many stamps did Jimmy have in the beginning? Please Help ME: I need a formula

math
Andy had 20% fewer marbles than Henry. When Andy gave 80 marbles to Henry, the numbers of marbles he had left was half of what Henry had. How many marbles did Andy have in the begining? Please help me

math
Andy had 20% fewer marbles than Henry. When Andy gave 80 marbles to Henry, the numbers of marbles he had left was half of what Henry had. How many marbles did Andy have in the begining? Please help me

11th grade
I NEED URGENT HELP!! Bob is riding his bike along at 2m/s and drops his 2kg backpack from a height of 1.5 meters. What is the backpacks resulting velocity when it strikes the ground?

physics
Bob is riding his bike along at 2m/s and drops his 2kg backpack from a height of 1.5 meters. What is the backpacks resulting velocity when it strikes the ground?

math
use properties of parallel lines to explain which angles in a parallelogram must be congruent???

math
use properties of parallel lines to explain which angles in a parallelogram must be congruent???

math
i dont get it

math
use properties of parallel lines to explain which angles in a parallelogram must be congruent???

Fine Art
of the following, which was known as the golden age for japanese art? A. Sung Dynasty B. Ming Dynasty C. Kujaku Myo-o D. Heian

math
Sevnety-eight players entered a single elimination tennis tournament.How many matches were played to determine the overall champ? please help me...and if u get the answer can you explain how you got it with a rule or a pattern

algebra 2
Find the equation that is satisfied by the set of points such that the sum of the distances from the point to (2,0) and (-2,0) is 6. Express your answer in standard form.

chem
Calculate the density of carbon monoxide gas at standard conditions if 25.0 mL of the gas weighs 0.0329 g at 800.00 mm of pressure???

5th grade social studies
actualy it is 9:53 am i don't wanna sound like a know it all

5th grade social studies
go to bing and tipe it in to see the awnser

Science
Why are viruses not part of the domain and kingdom of living things?

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