Saturday
May 25, 2013

# Posts by Khalid

Total # Posts: 8

math
a clear plastic bag containing black marbles and white marbles.draw the box of marbles and shade the marbles to show that 1/4 are black

Physics
What is the approximate energy required to raise the temperature of 5 L of air by 160 °C? The volume is held constant. (Assume air almost entirely consists of nitrogen, oxygen, and argon, and that it is initially at 273 K. Use the numerical data found in this table on the ...

physics
A bullet is fired with a speed of 450m/s through a board 20 cm thick. If the bullet is subject to a large deceleration of magnitude 106m/s2, will the bullet be able to emerge from the other side of the board ?

math
9^x - 4 X 3^x = 45. Find x In words: 9 raised to the power x minus 4 multiplied by 3 raised to the power x is equal to 45. Find x.

math
Sum of 2 numbers is 1 and their product is 1/8. Find their difference.

subtracting two digit numbers
bathany has 40 apples write a subtraction story about apples that would require regrouping

IELTS
Too much emphasis is placed on testing these days. The need to prepare for tests and examinations is a restriction on teachers and also exerts unnecessary pressure on young learners. To what extent do you agree or disagree? 250 word

IELTS
Too much emphasis is placed on testing these days. The need to prepare for tests and examinations is a restriction on teachers and also exerts unnecessary pressure on young learners. To what extent do you agree or disagree? 250 word

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