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2 years ago

Which choices are equivalent to the expression below? Check all that apply.

Mathematics

2 answers:

Alchen [17]2 years ago

6 0

Answer:

the answer is 5.

Step-by-step explanation:

_/25 = 5.

JulsSmile [24]2 years ago

4 0

Answer:5

Step-by-step explanation:

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Solve your equation using trail and improvement. A number plus ten times its square root is is equal to one thousand

Alex

Answer:

$x \approx 729$

Step-by-step explanation:

Given

Let the number be x

So:

$x + 10\sqrt x = 1000$

Required

Using trial and improvement, find x

This implies that we keep guessing the values of x until we get a value that match the equation.

Let

$x = 625$

So, we have:

$x + 10\sqrt x = 1000$

$625 + 10 *\sqrt{625}$

Take the square root of 625

$625 + 10 *\sqrt{625} = 625 + 10 *25$

$625 + 10 *\sqrt{625} = 625 + 250$

$625 + 10 *\sqrt{625} = 875$

Let

$x = 729$

So, we have:

$x + 10\sqrt x = 1000$

$729 + 10 * \sqrt{729}$

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$729 + 10 * \sqrt{729} = 729 + 10 * 27$

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$729 + 10 * \sqrt{729} = 999$

At this point, we can conclude that x is approximately 729 because

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$x \approx 729$

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