The interior triangles are similar, so the following ratio should hold true:
9 x
--- = ------ then x^2=144 and x=12 (answer)
x 16
Answer:
x = ±
Step-by-step explanation:
5x² - 3y = 4y + 8 ( add 3y to both sides )
5x² = 7y + 8 ( divide both sides by 5 )
x² = ( take square root of both sides )
x = ±
Answer:
(6,9) (1,3) (4,6) (4,12)
Step-by-step explanation:
anything that is proportional to 1/3
8/100 = x/175
cross multiply
(100)(x) = (8)(175)
100x = 1400
x = 1400/100
x = 14.....so 14 vials will treat 175 people