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dimaraw [331]
3 years ago
14

Please help me the last person who answered this didn’t get it right so please help:(

Mathematics
1 answer:
ElenaW [278]3 years ago
4 0

Answer:

8

Step-by-step explanation:

3 + [2 + 4(-3)] ÷ (-2)

Following the PEMDAS order of operations, you must start with the terms within the parenthesis/brackets.

= 3 + [2 + (-12)] ÷ (-2)

= 3 + [-10] ÷ (-2)

= 3 - 10 ÷ (-2)

Divide 10 and (-2) by applying the rule: <em>m</em> ÷ ( - <em>n </em>) = - <em>m</em> ÷ <em>n</em>

= 3 - 10 ÷ 2

= 3 - (-5)

= 3 + 5

= 8

Therefore, the correct answer is 8.

Please mark my answers as the Brainliest if you find my solutions/explanations helpful :)

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Calculate a_57 for the sequence {a_n}={-6,-9/2,-3,-3/2,0}
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Answer:the 57th term is 78

Step-by-step explanation:

The sequence is an arithmetic sequence. The formula for determining the nth term of an arithmetic sequence is expressed as

Tn = a + (n - 1)d

Where

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From the information given,

a = - 6

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We want to determine the value if the 57th term, T57. Therefore,

T57 = - 6 + (57 - 1) ×3/2

T57 = - 6 + 56 × 3/2 = - 6 + 84

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lorasvet [3.4K]

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So as to get numerator as 50 and denominator as 2 .

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