If 9 of the sparrows is 45% of the birds in the backyard, 9/x = 45/100.
Cross multiply to get 9 * 100 = 45x; simplified is 900 = 45x or 20.
This means that there are 20 birds in the backyard. You can check this by dividing 9/20 which equals 45%
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Answer:
Express as exponents) 1) 81 / 2) 4/9 3) -64
Challange: Use parenthesis) 1) 3b 2) 8x^3y^3 3)15x^2y^2
Evaluate) 1) 125 2) 81/256
Challenge) 9a^2b^2
True or flase) 1) flase 2) false 3) true 4) false
Step-by-step explanation:
hopefully this is correct (:
100 = 10 x 10 = 10<span>2 </span>
Answer:
THE CORRECT ANSWER IS... A
Step-by-step explanation:
