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Andrews [41]
3 years ago
10

Discs of radius 4cm are cut from a rectangular plastic sheet of length 84cm and width 24cm.How many complete discs can be cut ou

t???
a)Find total area of the discs cut

b)The area of the sheet wasted
Mathematics
1 answer:
Ymorist [56]3 years ago
5 0
A is the answer nnnjjjjhgddjhdbcjtz
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X+y when x=13 and y=−74. Write your answer as a fractionin simplest form.
slamgirl [31]

Answer:

-61

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

Step-by-step explanation:

<u>Step 1: Define</u>

x + y

x = 13

y = -74

<u>Step 2: Evaluate</u>

  1. Substitute:                     13 - 74
  2. Subtract:                        -61
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3 years ago
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Simplify each expression<br><br> 1. 5 + 3 (x - 5) + 7 <br><br> 2. 1/2+2/3(y- 6)
exis [7]

Answer:

3(x-1)

Step-by-step explanation:

12+3x-15

-3+3x

3(x-1)

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