Write the expression in complete factored form. 3(a-7)-x(a-7) = (insert answer here)
1 answer:
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Answer:
3.9 miles
Step-by-step explanation:
Use phytagoras theorem
c²=a²+b²
4²=1²+b²
16=1+b²
b²=16-1
b²=15
b=
b= 3.872
≈3.9miles