Answer:
She would have 24 single shoes. This is because she has 12 pairs and there are 2 of something in each pair. Therefore, Danielle would have 24 single shoes. (12*2=24) Hope this helped!!
Answer:
About 11.77 centimeters
Step-by-step explanation:
By law of sines:

Hope this helps!
Answer:
380
Step-by-step explanation:
Answer:
x=9
Step-by-step explanation:
2x+12=5x-15
3x=27
x=9
The formula to calculate standard deviation from probability is \sqrt(n*p*(1-p)). n is the sample size, and 200 in this case (number of putts for practice). p is 80% or 0.8, the probability that he can make it. So the standard deviation is \sqrt(200*0.8*(1-0.8)=\sqrt(200*0.8*0.2)=\sqrt(16)=4.