Work out 65% of 300.

Step-by-step explanation:

21.6%

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195

Step-by-step explanation:

65%=65÷100=0.65

0.65×300=195

if a = 1,   and b = 2, then the answer is 47.99999999. if you round that to the nearest whole number, the answer is 48.

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