The ratio on the number of girls to the number of boys in a stem class is 6 to 5. there are 40 boys in the stem class. how many
2 answers:
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+ √6 = √9
The first step is to get by itself. We can do this by subtracting
from each side, and simplifying
= 3 -
Now we square both sides
5x = (3 - )²
Using the formula (a - b)² = a² -2ab + b², (3 - )² = 15 - 6
5x = 15 - 6
x =