3 years ago

Type in the number that should go in the blank. Use a slash (/) to show a fraction.

Mathematics

1 answer:

umka21 [38]3 years ago

4 0

8.65 is the amount in decimal form

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Step-by-step explanation:

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HELP NEEDED!!! WILL MARK BRAINLIEST!!!

erma4kov [3.2K]

Answer:

$x(x + 1)$

Step-by-step explanation:

$\frac{2x + 1}{ \frac{1}{x} + \frac{1}{x + 1} }$

Make denominators same:

$\frac{2x + 1}{ \frac{x + 1}{x(x + 1)} + \frac{x}{(x + 1)} }$

Add the numerators:

$\frac{2x + 1}{ \frac{x + 1 + x}{x(x + 1)} }$

$\frac{2x + 1}{\frac{2x + 1}{x(x + 1)} }$

Apply the rule:

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Therefore,

$\frac{(2x + 1)\times x(x + 1))}{2x + 1}$

Cancel out common factor of 2x+1:

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3 years ago

Explain and find CD please

oksano4ka [1.4K]

Answer:

$CD \approx5.29$

Step-by-step explanation:

By geometric mean theorem:

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