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velikii [3]
3 years ago
10

Perfect square trinomial:

Mathematics
1 answer:
Alina [70]3 years ago
6 0

Answer:

See work below.

Step-by-step explanation:

(k-9)^2=(k-9)(k-9)\\=k^2-2(k)(9)+9^2\\=k^2-18k+81

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Francine uses 2/3 cup of pineapple juice for every 1/3 cup of orange juice to make a smoothie , how many cups of pineapple juice
chubhunter [2.5K]

we know that

Francine uses 2/3 cup of pineapple juice for every 1/3 cup of orange juice to make a smoothie

so

by proportion

Find the number of cups of pineapple for one cup of orange juice

\frac{(2/3)}{(1/3)} \frac{cups\ pineapple}{cups\ orange} =\frac{x}{1} \frac{cups\ pineapple}{cups\ orange}\\ \\x*(1/3)=(2/3) \\ \\x=2\ cups\ pineapple

therefore

<u>the answer is</u>

2\ cups\ pineapple\ juice

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HELP ASAP How many times will the digit '3' appear if we write all whole numbers from 1 to 99?
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Step-by-step explanation:

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