3 years ago

Solve 10n^2+4n+15n+6

Mathematics

1 answer:

Allushta [10]3 years ago

4 0

Answer:

Step-by-step explanation:

10n^2 +4n+15n+6 [Add the like terms]

10n^2 +19n +6

Hope this helps!

Mark brainliest if you think i helped! Would really appreciate!

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Riley and Erik have earned a total of 135 tokens to buy items in the school store. The ratio of the number of tokens that Riley

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Answer:

<em>Riley has 72 tokens</em>

Step-by-step explanation:

<u>System of Equations </u>

We have two conditions for the tokens Riley and Erik have earned. Let's call x and y to the number of tokens of Riley and Erik respectively. The first condition states that

$x+y=135$

Solving for y

$y=135-x$

The second condition is that the ratio of the number of tokens that Riley had to the number of tokens that Erik has is 8 to 7. It's written as

$\displaystyle \frac{x}{y}=\frac{8}{7}$

Or equivalently

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Replacing y from the first equation

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Simplifying

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$\boxed{x=72}$

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3 years ago

Solve 10n^2+4n+15n+6​

Solve 10n^2+4n+15n+6