12/16 are shaded. 12/16 simplified is 3/4 or 75%.
The Order of magnitude for the population of the world is not five
(3*4)+(1*7)/7*4 = 12+7/28 = 19/28
your answer is 19/28
- Quadratic Formula:
, with a = x^2 coefficient, b = x coefficient, and c = constant
With our equation, plug in the values:

Next, solve the exponent and multiplications:

Next, solve the subtraction:

Next, factor out i (i = √-1):

Next, solve the square root:

Lastly, divide and <u>your answer is:</u>

She regrouped the numbers instead of multiplying like 8b(2b-r) -4r(2b-r).