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son4ous [18]
4 years ago
13

Find the first,fourth,and tenth terms of the arithmetic sequence described by the given rule. A(n) = 12+(n-1)(3)

Mathematics
1 answer:
zhuklara [117]4 years ago
4 0
The answers are:
the first term: 21
the fourth term: 22
the tenth term: 39

<span>A(n) = 12+(n - 1)(3)

n = 1
A(1) = 12 + (1 - 1)(3) = 12 + 0*3 = 12 + 0 = 12

n = 4
</span>A(4) = 12 + (4 - 1)(3) = 12 + 3*3 = 12 + 9 = 21

n = 10
A(10) = 12 + (10 - 1)(3) = 12 + 9*3 = 12 + 27 = 39
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6 0
4 years ago
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Step-by-step explanation:

7 0
3 years ago
What is $0.8\%$ of $125\%$ of $8128$? Express your answer as a decimal.
Andre45 [30]

Answer:

<h2>81.28</h2>

Step-by-step explanation:

To solve this kind of problem, we must remember that the word "of" means multiplication in math language, and all percentages numbers can be expressed as a fraction where the denominator is 100. Applying all this, we have

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5 0
3 years ago
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Problem Solving World
jonny [76]

Answer:

46

Step-by-step explanation:

To solve this, add.

28 + 18 = 46

7 0
3 years ago
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