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docker41 [41]
3 years ago
15

A bag contains 18 blue marbles and 12 red marbles. If 2 marbles were removed without being replaced, what is the probability tha

t the first marble will be blue and the second will be red
Mathematics
1 answer:
Vika [28.1K]3 years ago
4 0
Blue- 18/30 or 9/15
red- 12/30 or 2/5
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Which of the following statements shows the inverse property of addition?
Olin [163]

Answer:

Statements  y + (-y) = 0 shows the inverse property of addition ⇒ 1st answer

Step-by-step explanation:

Let us revise some important notes

  • The purpose of the inverse property of addition is to get a result of zero (any number added to its opposite will equal zero)
  • The purpose of the inverse property of multiplication is to get a result of 1 (any number multiplied by its reciprocal will equal 1)
  • The additive identity is zero
  • The multiplicative identity is 1
  • The difference between the additive identity and the inverse property of addition that additive identity states that a number plus zero equals that number, and the inverse property states that the sum of a number and its additive Inverse is zero

In → y + (-y) = 0

∵ -y is the additive inverse of y

∵ The sum of y and its additive inverse = 0

- By using the definition of the inverse property of addition up

∴ Statements  y + (-y) = 0 shows the inverse property of addition

7 0
3 years ago
How do you make 4/3 and 3/3 have a denominator of 5
bagirrra123 [75]

Answer:

Step-by-step explanation:

Actually, you can't.  You could multiply the numerator and denominator of each 4/3 and 3/3 by 5, obtaining:

5(4)          5(3)

------ and --------

5(3)           5(3)

but this result has little practical value.  4/3 and 3/3 could be combined immediately, obtaining 7/3, if that's what you want to do, as the fractions already have the same denominator (3).

6 0
3 years ago
A rectangle has a height of and a width of 7x-4.
Mars2501 [29]

Answer: (7x - 4)(7x - 4) = 49x^2 - 28x - 28x + 16 = 49x^2 - 56x + 16

Step-by-step explanation:

7 0
2 years ago
Three different fraction equivalent 1
olga nikolaevna [1]

Answer:

3/3, 9/9, 12/12

Step-by-step explanation:

Equivilant fractions are only the ssame number on top of each other OR a number on top of a 1

7 0
3 years ago
Pls help I need help!!!! Please
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So 1 would be 5r+20 and then the second one would be
6 0
3 years ago
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