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3 years ago

6

What is the answer to-42-34+15

2 answers:

snow_lady [41]3 years ago

8 0

Answer:

The answer is -61.

HOPE THIS HELPED!!! XD

Hunter-Best [27]3 years ago

5 0

Answer:

-61

Step-by-step explanation:

-42 - 34 = -76

-76 + 15 = -61

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Use the arithmetic progression formula to find the sum of integers from 75 to 100.75,76,77....99,100.

Sophie [7]

Answer:

The sum is 2275

Step-by-step explanation:

Given

$75,76,77....99,100$

Required

The sum

Using arithmetic progression, we have:

$S_n = \frac{n}{2}(T_1 + T_n)$

Where:

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$T_n = 100$ --- last term

$n = T_n - T_1 + 1$

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3 years ago

Sonia has three bracelets. she wears them all at the same time but if a different order each day. how many different combination

astraxan [27]

We can use a factorial to solve this:

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