Sunday
December 8, 2013

# Posts by Kristina

Total # Posts: 163

Chemistry
How do you determine the number of moles in 78.6 grams of carbon tetrachloride (CCl4) ?

Chemistry
How do you determine the number of atoms in 28.7 grams of gold (Au)

Physics
This is a projectile motion problem where I need to find the velocity and angle I launch a ball at to hit a ship. The ball is on a cliff 400 m high, and the ship is 250 m away from the cliff. The ship is moving away at a velocity of 40 m/s. What velocity and angle should I lau...

appeal letter
Be honest. Tell them where you need help and what YOU will do in order to make a change and be more successful.

Thank you so much!

How can you use two multiplication facts to multiply 6 x 9? Use the array below to explain how you might multiply. ********* ********* ********* ********* ********* *********

1) Kevin is making yogurt bars for a picnic. He has 6 rows of yogurt bars on a tray. There are 3 bars in each row. How many yogurt bars does Kevin make? Answer: 6 x 3 = 18 yogurt bars 2) HOW CAN YOU USE MULTIPLICATION FACTS FOR 1 AND 2 TO FIND 3 x 7? I don't understand the...