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kap26 [50]
3 years ago
12

A repair service charges $55.00 to come to your home plus $24.50 per hour. Find a function that describes the arithmetic sequenc

e. Then find the total cost for a 7-hour job.
Mathematics
1 answer:
Kryger [21]3 years ago
5 0

Answer:

f(x)=24.50x+55

Total cost for 7 hours: $226.5

Step-by-step explanation:

We consider that x is the amount of hours.

24.5*7+55=226.5

171.5+55=226.5

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2 years ago
HELP ASAP I HAVE TO GET IT DONE<br><br><br> Solve for x in the diagram below
MA_775_DIABLO [31]

Answer:

x = 35

General Formulas and Concepts:

<u>Pre-Algebra</u>

  • Order of Operations: BPEMDAS
  • Equality Properties

<u>Geometry</u>

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Step-by-step explanation:

<u>Step 1: Set up equation</u>

40° + (2x + 30)° + 40° = 180°

<u>Step 2: Solve for </u><em><u>x</u></em>

  1. Combine like terms:                    2x + 110 = 180
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3 years ago
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Answer: Option a.

Step-by-step explanation:

 Make the denominator equal to zero and solve for x:

Factor the quadratic equation. Find two number whose sum is -1 and whose product is -2. Then:

x^{2}-x-2=0\\(x-2)(x+1)=0\\x=2\\x=-1

Then, as you can see the value x=2 makes the denominator equal to zero and the division by zero does not exist. Therefore you can conclude that the function shown in the problem is not defined at x=2

The answer is the option a.

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