3 years ago

I am a square number. The sum of my digits is 9. What square numbers might I be?

1 answer:

6 0

The number you are looking for would be 81!

8 + 1 = 9

And the square root of 81 is 9 so 81 is the number you are looking for

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Read 2 more answers

What are the zeros of the function f(x) = x2 + 5x + 5 written in simplest radical form?

Pavel [41]

$\boxed{x_{1}=\frac{-5 + \sqrt{5}}{2}} \\ \\ \\ \boxed{x_{2}=\frac{-5 - \sqrt{5}}{2}}$

<h2>Explanation:</h2>

Using the quadratic formula:

$x=\frac{-b \pm \sqrt{b^2-4ac}}{2a} \\ \\ \\ Here: \\ \\ f(x) = x^2 + 5x + 5 \\ \\ \\ So: \\ \\ a=1 \\ \\ b=5 \\ \\ c=5 \\ \\ \\ x=\frac{-5 \pm \sqrt{5^2-4(1)(5)}}{2(1)} \\ \\ x=\frac{-5 \pm \sqrt{25-20}}{2} \\ \\ x=\frac{-5 \pm \sqrt{5}}{2} \\ \\ \\ Two \ solutions: \\ \\ \boxed{x_{1}=\frac{-5 + \sqrt{5}}{2}} \\ \\ \\ \boxed{x_{2}=\frac{-5 - \sqrt{5}}{2}}$

<h2>Learn more:</h2>

Quadratic functions: brainly.com/question/12164750

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3 years ago

What is the meaning of decimal explain<br>

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Answer:

ddecimal is a fraction

Step-by-step explanation:

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What will you get if you subtract 11457 from the sum of 36198 and 74105 ?

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Answer

[36198+74105]-11457

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Step-by-step explanation:

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