PLZ HURRY I NEED HELP!!!!!!!??
2 answers:
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Answer:
Step-by-step explanation:
Factorise the denominators of both fractions
x² - 9 and x² - 4 are both differences of squares and factor as
x² - 9 = (x - 3)(x + 3) and x² - 4 = (x - 2)(x + 2), thus express as
×
Cancel the factors (x + 3) and (x + 2) from the numerators/denominators of both fractions leaving
Answer:
390 girls.
Step-by-step explanation:
of 650 is 390.