<span>3.7x 30 = </span>111 mi is the correct answer
A = L * W
A = 400
L = 4W
400 = 4W * W
400 = 4W^2
400/4 = W^2
100 = W^2
sqrt 100 = W
10 = W.....width is 10 cm
L = 4W
L = 4(10)
L = 40...length is 40 cm
P = 2(L + W)
P = 2(10 + 40)
P = 2(50)
P = 100 <=== perimeter is 100 cm
7/3 or -7/3
Step-by-step explanation:
Answer:290
Step-by-step explanation:
8,300,000 is your answer because 8 is higher then five so you add one to 9 which make it ten so u have to add one more to 200,000
