Wednesday
December 4, 2013

# Posts by Den

Total # Posts: 26

Int algebra
Convert the system of equations into a matrix equation. x+4y-z=7 x+y+z=2 -2x-2y+2z=-8

physics
60 mph, i think. i first found the radius (since it's the same for both) then calculated the speed for curve b

algebra
A basket contains 11 pieces of fruit: 4 apples, 5 oranges, and 2 bananas. Jonas takes a piece of fruit at random from the basket, and then Beth takes a piece at random. What is the probability that Jonas will get an orange and Beth will get an apple?

9gr
-72 ?????

9gr
3 - 15 × 5 a. 90 b. 0 c. –72 d. 78

science
Which shows the expression below simplified? (3.6 × 10^15) + (1.8 × 10^12) a. 3.60018 × 10^15 b. 3.902 × 10^14 c. 3.618 × 10^15 d. 3.6018 × 10^15

science
Sorry! Which shows the expression below simplified? (3.6 × 1015) + (1.8 × 1012) a. 3.60018 × 10^15 b. 3.902 × 10^14 c. 3.618 × 10^15 d. 3.6018 × 10^15

science
Which shows the expression below simplified? (3.6 × 1015) + (1.8 × 1012) a. 3.60018 × 1015 b. 3.902 × 1014 c. 3.618 × 1015 d. 3.6018 × 1015

9gr
Evaluate each expression. 7 + (3 + 12 / 2)^2 a. 16 b. 88 c. 46 d. 256 I think 88 ????????

9gr
I don't understand.????

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