Britt:
This is because if she types 25 words in one minute then that means she can type 50 words in 2 minutes (just multiply by 2). The only person on the graph who can type 50 words in 2 minutes is Britt.
Hope this helps! Any questions let me know :)
Answer:
don't know
Step-by-step explanation:
ok please mark mr brainlist
Answer:
800 cm^3
Step-by-step explanation:
An easy way is to cut the base up into two parts. Take a look at the drawing I added below for explanations!
Rectangle ACDG has an area of 28.
--> (12-5)(4) = (7)(4) = 28
Rectangle BFEG has an area of 72.
--> (10-4)(12) = (6)(12) = 72
So the total area of the base is 28 + 72 which is 100.
Base x Height is the volume, so it will be 100 x 8 (The height) = 800
So 800 cm^3 is your answer!
For these kinds of expressions use FOIL (first, outside, inside, last).
-2x • 9x = -18x^2
-2x • -3y = 6xy
8y • 9x = 72 xy
8y • -3y = -24y^2
Now combine them all:
-18x^2 + 78xy - 24y^2