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zloy xaker [14]
3 years ago
14

pita has 12 coins in her bag there are three £1 coins and nine 50p coins she takes 3 coins from the bag at random work out thepr

obability that she takes exactly £2.50
Mathematics
1 answer:
melisa1 [442]3 years ago
4 0

Answer:

3 x 3/12 x 2/11 x 9/10

Step-by-step explanation:

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oksian1 [2.3K]

Answer:

15 feet by 12 feet or 10 feet by 18 feet

Step-by-step explanation:

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3 years ago
Will give 50 points!!! ASAP!!!!!!!!!!!
Nostrana [21]

Answer:

\frac{1}{4}

Step-by-step explanation:

Since there are a total of 4 colors, and there are 5 of each colors, the total marbles in the bad would be;

5 x 4 = 20

If a color is selected at random the probability would be

\frac{part}{whole}

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so the probability would be;

\frac{5}{20} or \frac{1}{4} when reduced

Hope this helps!

5 0
2 years ago
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Hello how are you today. Question 2(×+-5)+×=×+(-6) ​
andre [41]

Answer:

x = 2

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  

Distributive Property

Equality Properties

  • Multiplication Property of Equality
  • Division Property of Equality
  • Addition Property of Equality
  • Subtraction Property of Equality

<u>Algebra I</u>

  • Terms/Coefficients

Step-by-step explanation:

<u>Step 1: Define</u>

<em>Identify</em>

2(x + -5) + x = x + (-6)

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

  1. [Distributive Property] Distribute 2:                                                                 2x - 10 + x = x - 6
  2. [Addition] Combine like terms (x):                                                                   3x - 10 = x - 6
  3. [Subtraction Property of Equality] Subtract <em>x</em> on both sides:                         2x - 10 = -6
  4. [Addition Property of Equality] Add 10 on both sides:                                   2x = 4
  5. [Division Property of Equality] Divide 2 on both sides:                                  x = 2
6 0
3 years ago
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A rectangle has a length that is 3 units greater than its width. What algebraic expression describes its perimeter
harina [27]
This expression should do

L=3+W
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3 years ago
DUE SOON PLZ HELP BRO
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