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Natali5045456 [20]
3 years ago
8

What is the y-value of the solution of the system of equations below?

Mathematics
1 answer:
ValentinkaMS [17]3 years ago
6 0
Answer=
-15x-12y-92=5. Y=-5x/4-97/12
-12x-2y-10z=3. Y=-3/2-6x-5z
3x+2y+z=0. Y=-3x/2-z/2
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Ratling [72]

Answer:

Choice number one:

\displaystyle \frac{5}{10}\cdot \frac{4}{9}.

Step-by-step explanation:

  • Let A be the event that the number on the first card is even.
  • Let B be the event that the number on the second card is even.

The question is asking for the possibility that event A and B happen at the same time. However, whether A occurs or not will influence the probability of B. In other words, A and B are not independent. The probability that both A and B occur needs to be found as the product of

  • the probability that event A occurs, and
  • the probability that event B occurs given that event A occurs.

5 out of the ten numbers are even. The probability that event A occurs is:

\displaystyle P(A) = \frac{5}{10}.

In case A occurs, there will only be four cards with even numbers out of the nine cards that are still in the bag. The conditional probability of getting a second card with an even number on it, given that the first card is even, will be:

\displaystyle P(B|A) = \frac{4}{9}.

The probability that both A and B occurs will be:

\displaystyle P(A \cap B) = P(B\cap A) =  P(A) \cdot P(B|A) = \frac{5}{10}\cdot \frac{4}{9}.

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3 years ago
, Stevens glass holds 40 milliliters of milk fairs holds 2/5 as much milk. How much milk does fairs hold
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Fairs holds 16 milliliters.

40 * 0.4 = 16
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A jar contains a mixture of 20 black marbles, 16 red marbles, and 4 white marbles, all the same size. Find the probability of dr
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There is a half chance of pulling a red or white marble, 16+4=20 well there's 40 marbles total so 20/40 is simplefyed as 1/2 hope this help's please crown

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3 years ago
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Could someone please help me with this problem and give me an explanation on how to solve it?
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Answer:

B

Step-by-step explanation:

(a^3/2) / a

= a^(1/2)

= √a

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What is the direct variation equation if Y varies directly with X and Y equals negative 12 when X equal 6
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Step-by-step explanation:

y = kx, where k is a real constant.

When x = 6, y = -12:

(-12) = (6)k

Therefore k = -2.

Hence y = -2x.

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3 years ago
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