On the playground the teacher observed bicycles and tricycles. she counted 72 wheels and 28 total cycles. How many of them were
1 answer:
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Answer:
x = 20
Step-by-step explanation:
You can use Pythagorean theorem which is
a = 12
b = 16
and c would be x.
12^2 + 16^2 = c^2
144 + 256 = c^2
400 = c^2
square root
c = 20 or x = 20
Answer:
Step-by-step explanation:
We know from the graph
and
using the given equation we can solve
subtract 1 from both sides so that k is isolated