The answer is 3/5 simplified.
Reasoning:
There are 6 solid white and solid black marbles combined.
There are total of 10 marbles.
Of the 10 marbles, you are 6/10 times likely to pull one of the solid black or white marbles.
Simplify 6/10 by dividing it by a number they both share (2) to get the answer of 3/5.
Answer:
28
Step-by-step explanation:
find perimeter (25 + 25 + 45 + 45 = 140)
divide your perimeter by 5 (140 ÷ 5 = 28)
therefore you need 28 fence posts
Answer: 1/256
Step-by-step explanation:
You can take out the negative in the exponent by flipping the numerator and denominator to get
. Then simplify to get
.
the first one is 30 and the second one is 60