If the legs are length a and b and hyptonuse is c then
a²+b²=c²
so
if the legs are 20 and 21 and the hypotnuse is x then
20²+21²=x²
400+441=x²
841=x²
29=x
Answer:
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Step-by-step explanation:
oing this for something! tewsting
Plugging in the numbers 7x - 2y = 39 fitted and made sense
No because every x value has to have only one y value. In the relation, 2 has two y values: 1 and -3.