Peaches are on sale at $0.95 per pound. Mrs. Hinkle bought 3.45 pounds of peaches. How much did she pay for the peaches?

$3.2775

Step-by-step explanation:

0.95 x 3.45 = 3.2775

$3.27

Step-by-step explanation:

The number to add is (11/2)^2 = 121/4

Step-by-step explanation:

Here, we want to know the number that will complete the square

We rewrite the equation as follows;

x^2 + 11x = -30

x^2 + 11x + (11/2)^2 = -30 + (11/2)^2

x^2 + 11x + 121/4 = -30 + 121/4