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DerKrebs [107]
3 years ago
7

Calvin bought 20 pencils at 0.45 each how many change did he get from a 10 dollar bill

Mathematics
2 answers:
ehidna [41]3 years ago
4 0
To get the answer, multiple 20 by 0.45= $9 than subtract 9$ from $10 which equals $1.
-Dominant- [34]3 years ago
3 0

Answer:

1 dollar

Step-by-step explanation:

This is simple you multiply 20 by how much money

20 x .45 = 9 then we will take how much money you SPENT and minus it from what you gave the cashier

10 - 9 = 1 you got 1 dollar in change

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Sergio039 [100]

Answer:

The correct answer is B.) (4x - 7 + 5x + 5) and (9x + 12).

5 0
3 years ago
Let f(x)=3x+5 and g(x)=x^2 find (f-g)(x)
dlinn [17]

Answer:

(f - g)(x) = -x² + 3x + 5

General Formulas and Concepts:

<u>Pre-Algebra</u>

  • Equality Properties

<u>Algebra I</u>

  • Function Notation
  • Combining Like Terms

Step-by-step explanation:

<u>Step 1: Define</u>

f(x) = 3x + 5

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<u>Step 2: Find (f - g)(x)</u>

  1. Substitute:                   (f - g)(x) = 3x + 5 - x²
  2. Rewrite:                       (f - g)(x) = -x² + 3x + 5
7 0
3 years ago
What is the estimate of 90/7 divided by 1 3/4​
attashe74 [19]

Answer:

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steposvetlana [31]
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