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igomit [66]
3 years ago
12

" alt="y {?}^{2} - 18y + 81" align="absmiddle" class="latex-formula">
Mathematics
1 answer:
guajiro [1.7K]3 years ago
7 0
\bf y^2-18y+81\implies \stackrel{FOIL}{(y-9)(y-9)}
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Answer:

The sum of a number, 1/6 of that number, 2 1/2 of that number, and 7 is 12 1/2. Find the number?

the number is 2.409

Step-by-step explanation:

based on the question;

let the  number  N

1/6 of N = (1/6)N

21/2  of N = ( 5/2)N

now, the sum of  a number (N)  1/6 of that number(1/6)N , (5/2)N and 7  will be expressed as

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44N = 150- 84

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3 years ago
What is 6/9 written as a fraction?
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A garden is 30 feet long. a row of beans is planted every 15 inches. how many rows of beans are in the garden? a. 20 rows b. 24
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3 years ago
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