Poloma ran 3 3/4 miles around the school track. if each lap is 1/2 mile, how many laps did she run? explain how to find the answer. me ill give bonus

First write 3  

3

4

as the improper fraction  

15

4

. Then divide  

15

4

by  

1

2

by multiplying by the reciprocal.  

15

4

multiplied by  

2

1

is  

30

4

. Write  

30

4

as a mixed number. The answer is  7  

1

2

laps.

Step-by-step explanation:

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hope it you

step-by-step explanation:

sin(7pi/6 - pi/3)  

= sin(7pi/6 - 2pi/6)  

= sin(5pi/6)  

= sin(pi - pi/6)  

= sin(pi/6)  

= 1/2  

sin 7pi/6 - sin pi/3  

= sin (pi + pi/6) - sin pi/3  

= -sin pi/6 - sin pi/3  

= -1/2 - sqrt(3)/2  

= -(1+sqrt(3))2