Answer:
13
Step-by-step explanation:
Mean would mean average, which in this case is
so your equation would look like
Next multiply both sides by to clear the fraction
to get
Subtract 69 from both sides
you get
The sum of a number and three more than twice that number is 27 .what is the smaller number ?
1 answer:
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Answer: C
<u>Step-by-step explanation:</u>
∑ 8()⁽ⁿ⁻¹⁾ from n = 1 to n = 5
n = 1 → 8()⁽¹⁻¹⁾
= 8 =
n = 2 → 8()⁽²⁻¹⁾
= =
n = 3 → 8()⁽³⁻¹⁾
= =
n = 4 → 8()⁽⁴⁻¹⁾
= =
n = 5 → 8()⁽⁵⁻¹⁾
= =
Sum =
= 408.99