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RSB [31]
3 years ago
6

What is the f? f/5 - (-13) = 12

Mathematics
2 answers:
Annette [7]3 years ago
8 0

Step-by-step explanation:

\frac{f}{5}  - ( - 13) = 12

\frac{f}{5}  + 13 = 12

\frac{f}{5}   = 12 - 13

\frac{f}{5} =  - 1

Now cross multiply

Therefore f = -5

Zanzabum3 years ago
8 0

Answer:

f= -5

Step-by-step explanation:

f/5-(-13)=12

remove the parenthesis and replace the negative with a positive.

f/5+13=12

multiply all by 5

f+65=60

move constant to the right

f=60-65

subtract 60 to 65

-----------------

f= -5

-----------------

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so it’s C.
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3 years ago
At short company has initial costs of $800 per month and it costs them $1.50 per shirt. Let y represent the cost to run the comp
adelina 88 [10]

Answer:

A. y = $800 + $1.50x

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C. The initial cost ($800) plus the cost of each t-shirt ($1.50) and the number of t-shirts (x)

Step-by-step explanation:

I hope this helps :)

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2 years ago
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3 years ago
What is the value of b in the equation (y Superscript negative 9 Baseline) Superscript b Baseline = y Superscript 45?
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Step-by-step explanation:

5 0
3 years ago
Y= - 2x + 4<br> 2x + y = 4
Tomtit [17]

Answer:

Infinite amount of solutions

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right  

Equality Properties

  • Multiplication Property of Equality
  • Division Property of Equality
  • Addition Property of Equality
  • Subtraction Property of Equality<u> </u>

<u>Algebra I</u>

  • Terms/Coefficients
  • Coordinates (x, y)
  • Solving systems of equations using substitution/elimination

Step-by-step explanation:

<u>Step 1: Define Systems</u>

y = -2x + 4

2x + y = 4

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

<em>Substitution</em>

  1. Substitute in <em>y</em>:                                                                                                  2x + (-2x + 4) = 4
  2. Combine like terms:                                                                                         4 = 4

Here we see that 4 does indeed equal 4.

∴ the systems of equations has an infinite amount of solutions.

7 0
2 years ago
Read 2 more answers
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