Answer:
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Answer:
16:14
Step-by-step explanation:
87 is equivalent to 24:21 because 8 x 27 = 7 x 24 = 168 .^ is equivalent to 16:14.
Answer:
Linear equation for the monthly cost of the cell plan is 
Step-by-step explanation:
Let u denotes a flat monthly fee and v denotes amount charged per minute.
As the monthly cost is $71.50 if a customer uses 410 minutes,
(i)
As the monthly cost is $118 if a customer uses 720 minutes,
(ii)
Subtract (i) from (ii)

Put
in (i)

As x denotes the number of monthly minutes used,
linear equation for the monthly cost of the cell plan is 
Answer:
8164964.62715
Step-by-step explanation:
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Answer:

General Formulas and Concepts:
<u>Algebra I</u>
- Exponential Rule [Rewrite]:

<u>Calculus</u>
[Area] Limits of Riemann's Sums - Integrals
Integration Rule [Reverse Power Rule]:
Integration Rule [Fundamental Theorem of Calculus 1]: 
Step-by-step explanation:
<u>Step 1: Define</u>
<u />
<u />
<u />
<u>Step 2: Find Area</u>
- [Integral] Set up area:

- [Integral] Rewrite:

- [Integral] Reverse Power Rule:

- [Area] Fundamental Theorem of Calculus:

Topic: Calculus
Unit: Basic Integration/Riemann Sums
Book: College Calculus 10e