12/15 = 400/500
500 people took the survey.
Answer:
a1 is 2.
Step-by-step explanation:
a1 is the first value is an arithmetic or geometric sequence.
Answer:
4
Step-by-step explanation:
2 2 times is 4
Answer:
8 x 17 x 15 = 2040 that's your area
Step-by-step explanation:
good day and be safe
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Answer:
Perimeter of the rectangle is 29x + 1 feet
Step-by-step explanation:
Length of the rectangle = 9.5x + 10 feet
Width of the rectangle = 5x - 9.5 feet
perimeter of rectangle = 2 ( length + width )
perimeter = 2 { (9.5x + 10) + (5x-9.5) }
perimeter = 2 ( 9.5x + 5x + 10 - 9.5 )
perimeter = 2 (14.5x + 0.5)
perimeter =29x + 1 feet
