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stepladder [879]
3 years ago
11

Square of 9 less than a number is 3 less than the number

Mathematics
2 answers:
ale4655 [162]3 years ago
7 0

Answer:Let the number be x, then (x - 9)^2 = x - 3

x^2 - 18x + 81 = x - 3

x^2 - 19x + 84 = 0

(x - 12)(x - 7) = 0

x = 12 or 7

Step-by-step explanation:

attashe74 [19]3 years ago
7 0
The answer would be 7 or 12
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2 years ago
Jenny bought 3 CDs that were each the same price. Including sales tax, she paid a total of $45.30 Of that total, $1.50 was tax.
enot [183]

Answer:

$13.6

Step-by-step explanation:

Jane bought 3 CDs that were each the same price. So let the price of each CD be ‘x’.

It is given that including sales tax, she paid a total of $45.30.

Also each CD had a tax of $1.50. We need to find out what the price of each CD was before tax.

Since the tax for all 3 CDs was same, the total amount of tax that she paid was:

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5 0
3 years ago
The largest segmented ground-based telescope is the Gran Telescopio Canarias in Spain. Its mirror is made up of 36 hexagonal seg
Marta_Voda [28]
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2 years ago
How do u figure -11/4+1/2
worty [1.4K]

Answer:

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4 0
3 years ago
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2 years ago
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