A group of 100 students were asked if they study French or Spanish in school. The results are shown in this two-way table.
1 answer:
Answer :
5 students study both French and Spanish
2 students study neither French nor Spanish
30 students study French, but not Spanish
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0.0000000861 is your answer
Answer:
1/4
Step-by-step explanation:
using the product-to sum formulas, this is
1/2 (cos(75+15) + cos(75-15))
Answer:18
Step-by-step explanation:
Sin72=cosy
0.9511=cosy
Y=cos(inverse)0.9511
Y=18
A 38.88
Trust me it works
