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BaLLatris [955]
4 years ago
7

Simplify: 36÷(–3) + 2(27÷3 x -2).

Mathematics
1 answer:
jeka944 years ago
4 0

Answer:

-48

Step-by-step explanation:

36/-3 = -12

-12 + 2(27/3 * -2)

27/3 = 9

-12 + 2(9 * -2)

9 * -2 = -18

-12 + 2(-18)

2 * -18 = -36

-12 + -36 = -12 - 36

-48

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Answer:

Option B. 60300

Step-by-step explanation:

The given expression \sum_{n=1}^{200}(3n) represents an arithmetic sequence. [3, 6, 9, 12,..............]

In this sequence first term a = 3

common difference d = 3

and number of terms n = 200

We have to find the sum of first 200 terms of this sequence.

Formula of the sum of an arithmetic sequence is =\frac{n}{2}[2a+(n-1)d]

Now we put the values in the formula

\sum_{n=1}^{200}(3n)=\frac{200}{2}[2(3)+(200-1)(3)]

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Therefore option B. 60300 is the answer.

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

4 0
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