7. in a bag of marbles, 35 of the marbles are blue and the restane
marbles is doubled and the number of blue marbles stays the same
the marbles are blue and the rest are red. if the number of red
and the number of blue marbles stays the same, what fraction of the
marbles will be red?

answer   download the app called socratic on your phoner:

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

irrational, then, just means all the numbers that aren't rational. every integer is a rational number, since each integer n can be written in the form n/1. however, numbers like 1/2, 45454737/2424242, and -3/7 are also rational, since they are fractions whose numerator and denominator are integers.

step-by-step explanation: