Answer uh bac
Step-by-step explanation:
For this case we have to:
There are 6 plants per tray.
There are 6 trays for each flat, so for each flat there are plants.
Saturday day:
Thus, on Saturday they sold 648 plants.
Sunday:
Thus, on Saturday they sold 756 plants.
Thus, in total plants were sold.
Answer:
plants were sold.
r=-3, n=8, a_1=3
S = 3(1 - (-3)^8)/(1 - -3) = -4920
Choice C
Answer:
Step-by-step explanation:
Hope this photo below may help you
An arithmetic sequence is an ordered list of numbers where the next number is found by adding on to the last number (ex: 2,5,8,11... is a sequence where 3 is added on to find the next number).
The equation for an arithmetic sequence is
is the "n-th" number in the sequence (ex: is the first term in the sequence)
d is the number you add (common difference) to find the next number
The first number in the sequence is 47 so
<span>d=-2 because the question gives you that
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The answer is A. -9.
<u> </u>
<span>The answer is C. 158</span>
For the second one, it gives you
and <span>
You can use this to find d
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Now you can just solve using the equation normally.
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The answer is C. 158