Jill needs to cut a piece of string into 20 smaller pieces. How many times will she need to cut the string?

She need to cut the string 19 times

Step-by-step explanation:

_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19

19 cut.

the correct answer is $7.38

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