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Bond [772]
4 years ago
12

The price of a new computer is p dollars. The computer is on sale for 30% off. Which expression shows the savings that are being

offered on the computer?
A.
p - 0.3p
B.
0.7 × p
C.
p ÷ 30
D.
0.3 × p
Mathematics
1 answer:
4vir4ik [10]4 years ago
6 0

Answer:

A. P - 0.3P

Step-by-step explanation:

Given the price of the computer is P dollars and it’s on sale for 30% off.

That’s

30% /100% x P

0.3 x P

0.3P

Savings being offered on the computer is therefore

P - 0.3P

This is because 0.3P is the discounted amount and to get the sale on amount , you subtract the discounted amount from the original price P

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Step-by-step explanation

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Next we should insert x-6 as x in the equation

This is f(x)=12(x-6)-72

But if you look at this that leads to 12x-72 (ignore y-intercept)

That is our first equation  

This means that if you take out -6 from the x

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Solve this system by substitution. y = 3 y = -3x + 6 *Remember to write your answer as a coordinate point (x, y). I​
DochEvi [55]

Answer:

(1, 3)

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>Algebra I</u>

  • Coordinates (x, y)
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Step-by-step explanation:

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

y = 3

y = -3x + 6

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

  1. Substitute in <em>y</em>:                                                                                                 3 = -3x + 6
  2. [Subtraction Property of Equality] Subtract 6 on both sides:                      -3 = -3x
  3. [Division Property of Equality] Divide -3 on both sides:                                1 = x
  4. Rewrite/Rearrange:                                                                                        x = 1

<u>Step 3: Solve for </u><em><u>y</u></em>

  1. Define original equation:                                                                               y = -3(1) + 6
  2. Multiply:                                                                                                           y = -3 + 6
  3. Add:                                                                                                                 y = 3
6 0
3 years ago
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