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stiv31 [10]
3 years ago
12

Perfect square trinomial:

Mathematics
1 answer:
Dennis_Churaev [7]3 years ago
3 0

Answer:

k² - 18k + 81

Step-by-step explanation:

Using the given model then

(k - 9)² with a = k and b = 9

= k² - 2(k)(9) + 9²

= k² - 18k + 81

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A printer printed 68 letters in 4 seconds. If it prints letters at a constant speed, it can print ______ letters in 30 seconds.
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4 years ago
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USPshnik [31]

So in 5 acres of land produces 21,000 pounds of strawberries.

Step-by-step explanation:

Step 1:

Last year, 3\frac{1}{2} acres i.e 3.5 acres produced 14,700 pounds of strawberries. So we need to determine how many strawberries were produced per acre.

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Step 2:

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7 0
4 years ago
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