-5 + 9 + (-5) + (-10) + (1) is equal to

-13

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-10

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Solution

The correct option is C
-10

-5 + 9 + (-5) + (-10) + (1)

-5 + 9 = 4
4 + (-5) = -1
-1 + (-10) = -1 - 10 = -11
-11 + 1 = -10
So, -5 + 9 + (-5) + (-10) + (1) = -10

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Similar questions

If $l o g_{10} 5 + l o g_{10} (5 x + 1) = l o g_{10} (x + 5) + 1, t h e n (x^{2} - 9)$ is equal to:

(\frac{- 3}{5} + \frac{1}{6}) + \frac{9}{10} = \frac{- 3}{5} + (\frac{1}{6} + \frac{9}{10})

Find answers to the following. Write and indicate how you solved them.

(a) ? (b) ?

1 + 5 + 9 + \dots \dots + (4 n - 3)

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