The formula for the nth term of a geometric sequence:
a₁ - the first term, r - the common ratio
Since there are 9 marbles and 2 are black, the number that are 'not black' is 7.
So the odds of picking a 'not black' marble is <u>7</u> , or D
9
Answer:
x=2 or 5/3
Step-by-step explanation:
the explanation is in the picture
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Yes, because every time you subtract 7
Answer:
8160 quarts
Rate per day is 4080 quarts/day
Step-by-step explanation:
340 in 2 hours
340/2 = 170
Rate = 170 quarts per hour
170x48hrs = 8160
8160 quarts in 48 hours
Rate per day = 170 x 24 hrs in a day
170x24 = 4080
Rate per day = 4080 quarts/day