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Fudgin [204]
3 years ago
7

What's 2/4 x 1/3? And pls provide work on how u got the answer.

Mathematics
2 answers:
igomit [66]3 years ago
8 0
Just multiply the top number by the top number and the bottom numbers by the bottom numbers so


2/4 times 1/3=(2 times 1)/(4 times 3)=2/12

so to simplify, we find the ones exg 4/8=1/2 because 1/2 times 4/4=4/8 and 4/4 cancels out so

2/12=2/2 times 1/6
=1/6
Law Incorporation [45]3 years ago
7 0
\frac{2}{4}=\frac{2:2}{4:2}=\frac{1}{2}\\\\\frac{2}{4}\times\frac{1}{3}=\frac{1}{2}\times\frac{1}{3}=\frac{1\times1}{2\times3}=\boxed{\frac{1}{6}}
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marin [14]
R*t =
17 mile per hr x 4 hours =68
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3 years ago
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What is the total amount of square miles in europe?
Tems11 [23]
I believe the answer would be about 3.931 million square miles. 
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3 years ago
Suppose that the probabilities are 0.4, 0.3, 0.2, and 0.1, respectively, that 0, 1, 2, or 3 power failures will strike a certain
defon

Answer:

mean = 1 power failure

variance = 1 (power failure)²

Step-by-step explanation:

Since the mean is computed as

mean = E(x) = ∑ x * p(x) for all x

then for the random variable x=power failures , we have

mean = ∑ x * p(x) = 0 * 0.4 + 1* 0.3 + 2*0.2 + 3* 0.1 = 1 power failure

since the variance can be calculated through

variance =  ∑[x-E(x)]² * p(x) for all x

but easily in this way

variance = E(x²) -  [E(x)]² , then

E(x²) = ∑ x² * p(x) = 0² * 0.4 + 1²* 0.3 + 2²*0.2 + 3²* 0.1 = 2 power failure²

then

variance = 2 power failure² - (1 power failure)² = 1 power failure²

therefore

mean = 1 power failure

variance = 1 power failure²

7 0
3 years ago
Why is 3 x 1/10 less than 3 x 10
DIA [1.3K]

Answer:

Why is 3 x 1/10 less than 3 x 10

Since is 3 x 1/10 = 3/10 and

3 × 10 = 30, and

30 > 3/10

Step-by-step explanation:

4 0
3 years ago
Write three equations whose solution is x=3.5
My name is Ann [436]

Answer:

  • 1. 2x + 23 = 30
  • 2. 3x + 19.5 = 30
  • 3. (10x - 20)/ 5 = 3

Explanation:

Work backward:

1. 2x + 23 = 30

Start:

  • x = 3.5

Multiply the equation by 2:

  • 2x = 2 (3.5)
  • 2x = 7

Subtract 30 from both sides

  • 2x - 30 = 7 - 30
  • 2x - 30 = -23

Add 23 and 30 to both sides:

  • 2x + 23 = 30

2. 3x + 19.5 = 30

Start:

  • x = 3.5

Add 6.5 to both sides:

  • x + 6.5 = 10

Multiply by 3:

  • 3(x + 6.5) = 30

Distributive property:

  • 3x + 19.5 = 30

3. (10x - 20)/ 5 = 3

Start:

  • x=3.5

Multiply by 10:

  • 10x = 35

Subtract 20:

  • 10x - 20 = 15

Divide by 5:

  • (10x - 20)/ 5 = 15/5

  • (10x - 20) / 5 = 3
3 0
3 years ago
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