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Sunny_sXe [5.5K]
3 years ago
7

Jill is factoring the expression 13XY -52y. Her work is shown below

Mathematics
1 answer:
Sunny_sXe [5.5K]3 years ago
3 0

Answer:13y(x-4)

Step-by-step explanation:

13xy-52y =13y(x-4)

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X=10
-3 on both sides
Then -6(x+4)+3 to the other side
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The Diluent Corp. maintained in circulation during 2020 the following values: 200,000 common shares ($ 2,000,000 of legal capita
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What is the answer to 3x –7 = -16
Anni [7]

Answer:

x = -3

Step-by-step explanation:

3x –7 = -16

3x = -16 + 7

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Many manufacturers have quality control programs that include inspection of incoming materials for defects. Suppose a computer m
Readme [11.4K]

Answer:

a) (1,2), (1,3), (1,4), (1,5), (2,3), (2,4),(2,5),(3,4), (3,5) and (4,5)

b)

PX(0) = 0.3

PX(1) = 0.6

PX(2) = 0.1

c)

  • F(x) = 0 if x<0
  • F(x) = 0.3 if 0 ≤ x < 1
  • F(x) = 0.9 if 1 ≤ x < 2
  • F(x) = 1 if x ≥2

Step-by-step explanation:

Lets call the boards 1,2,3,4 and 5

a) There are {5 \choose 2} = 10 possible outcomes: (1,2), (1,3), (1,4), (1,5), (2,3), (2,4),(2,5),(3,4), (3,5) and (4,5).

b) X is 0 if the selected boards doesnt contain 1 or 2. There are {3 \choose 2} = 3 possibilities for this, in concrete, (3,4), (3,5) and (4,5).

PX(0) = 3/10 = 0.3

There is only 1 possibility so that X = 2, which is (1,2), therefore

PX(2) = 1/10 = 0.1

In any other case (there are 6 remaining), X will be equal to 1, so

PX(1) = 6/10 = 0.6

Therefore, X has the following distribution

PX(0) = 0.3

PX(1) = 0.6

PX(2) = 0.1

c) F(0) = 0.3

F(1) = 0.3+0.6 = 0.9

F(2) = 1

We have, as a consequence

  • F(x) = 0 if x<0
  • F(x) = 0.3 if 0 ≤ x < 1
  • F(x) = 0.9 if 1 ≤ x < 2
  • F(x) = 1 if x ≥2

3 0
3 years ago
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