width (w) = w
Length (L) = 3w + 4
Area (A) = L x w
25 = (3w + 4)w
25 = 3w² + 4w
0 = 3w² + 4w - 25
w = 
w ≈ 2.3, w ≈ -3.6 (width cannot be negative!)
w ≈ 2.3
Length (L) = 3w + 4 = 3(2.3) + 4 = 6.9 + 4 = 10.9
Answer: width=2.3, Length=10.9
Answer:
— If there are 16 seats in the first row, 18 seats in the second row, 20 seats in the third row , and so on, how many seats are there in all? Follow • 1 ... This is an arithmetic series with a difference of 2. a1 = 16 ... what is an equation equal of a line parallel to y=2/3x-4 and goes through the point (6,7). Answers · 3 ...
Step-by-step explanation:
Answer:
4.5
Step-by-step explanation:
so after the 10 non soloists join, there would be 60 students total and 12 of them are soloists.
12 is 20% of 60
Final Answer:
20% of the choir are soloists.
Hope this helped!
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