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:

answer: need picture of problem

step-by-step explanation:

x² + 3x + 7 = 0       [ax² + bx + c]

a = 1

b = 3

c = 7

quadratic formula:

    (+/- is this ±)

plug in the numbers into the variables

your answer is a