3 years ago

Determine the approximate value of X. 8.56 2.78 9.46 29.12

Mathematics

1 answer:

Nitella [24]3 years ago

7 0

Answer:8.56

Step-by-step explanation:

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Just sub 4 into where n is

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miv72 [106K]

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Step-by-step explanation:

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2 years ago

Determine whether the relation is a function. <br> {(-4, 1), (0, 0), (4, 0), (0, 4)}

olga nikolaevna [1]

Answer:

It isn't

Step-by-step explanation:

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3 years ago

Read 2 more answers

Type the correct answer in the box. Use numerals instead of words. If necessary, use / for the fraction bar. In the equation√n+5

Yuki888 [10]

Answer:

n = 59

Step-by-step explanation:

The given equation of n is $\sqrt{n + 5} - \sqrt{n - 10} = 1$ and we have to solve it for n.

$\sqrt{n + 5} - \sqrt{n - 10} = 1$ ........... (1)

⇒ $\frac{(n + 5) - (n - 10)}{\sqrt{n + 5} + \sqrt{n - 10}} = 1$

{Rationalizing the numerator}

⇒ $\sqrt{n + 5} + \sqrt{n - 10} = 15$ .............. (2)

Now, adding (1) and (2) we get

$2\sqrt{n + 5} = 16$

⇒ n + 5 = 64 {Squaring both sides}

⇒ n = 59 (Answer)

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3 years ago