1 nickel = 0.05
25.2/0.05 = 504 nickels
Answer:
a average person only types 38 to 40 words per min
Step-by-step explanation:
x=3
BC=6
cos(60)=×÷6
×=3
13
a = 3
b = -2
a² + b² = 3² + (-2)²
= 9 + 4
= 13
the answer is B. (15,4) :
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