3 years ago

Could you help me solve this

Mathematics

1 answer:

sammy [17]3 years ago

4 0

Could it be Red Blue Blue Green Purple? Or Red Blue Green Grey Purple?

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An expression is given that has a value between 4.44.4 and 4.54.5, and where xx represents an integer. \sqrt{x}+\sqrt{x} x

musickatia [10]

Answer:

$x = 5$

Step-by-step explanation:

Given

$\sqrt x + \sqrt x = (4.4,4.5)$

Required

Find x

When the result is 4.4, we have:

$\sqrt x + \sqrt x = 4.4$

This gives:

$2\sqrt x = 4.4$

Divide both sides by 2

$\sqrt x = 2.2$

Square both sides

$x = 2.2^2$

$x = 4.84$

When the result is 4.5, we have:

$\sqrt x + \sqrt x = 4.5$

$2\sqrt x = 4.5\\$

Divide both sides by 2

$\sqrt x = 2.25$

Square both sides

$x = 2.25^2$

$x = 5.0625$

So, the value of x is between 4.84 and 5.0625

i.e.

$x = (4.84,5.0625)$

The only integer between the above interval is 5.

Hence:

$x = 5$

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Answer:

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Evaluate the expression when a=14 and b=6<br><br><br><br> −8ab= ?

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Answer:

$- 8ab \\ \\ - 8 \times 14 \times 6 \\ \\ = - 672$

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Answer:

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Step-by-step explanation:

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