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3 years ago

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Mathematics

2 answers:

Brut [27]3 years ago

5 0

The answer is A, since it is the only answer choice that the test point (0, 0) satisfies.
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Hope this helps!
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lidiya [134]3 years ago

4 0

The answer is Abecause if you plug in the value es for each function A is the only one the makes it trye

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I need help with this problem!!

pychu [463]

C because it has the x variables in the numerator. This is wrong because the x axis represents horizontal movement and slope is rise over run, not run over rise

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3 years ago

light travels at about 186 thousand miles per second and the sun is about 93 million miles from the Earth. how much time does li

zlopas [31]

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4 years ago

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maks197457 [2]

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3 years ago

Read 2 more answers

Identify the value them make the inequality true x >4<br><br> Answers: x=4,x=6,x=10,x= -4

Alika [10]

Answer:

x= -4

Step-by-step explanation:

This is correct because no other options fit.

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3 years ago

Read 2 more answers

A red die and a blue die are rolled. You win or lose money depending on the sum of the values of the two dice. If the sum is 6 o

olganol [36]

Answer:

The expected value of X is $0.0833.

Step-by-step explanation:

A probability is the number of desired outcomes divided by the number of total outcomes.

For each dice, there are 6 possible outcomes(values from 1 to 6). So for 2 dices, there are $6^2 = 36$ desired outcomes.

Desired outcomes:

Sum 5: (1,4), (2,3), (3,2), (4,1).

Sum 6: (1,5),(2,4),(3,3),(4,2),(5,1)

Sum of 9: (3,6), (4,5), (5,4), (6,3)

Sum of 10: (4,6), (5,5), (6,4)

Sum of 12: (6,6)

Probabilities:

5 + 3 = 8 outcomes in which the sum is 6 or 10, that is, 8/36 probability of winning $4.

4 + 4 + 1 = 9 outcomes in which the 5, 9, or 12, that is, 9/36 probability of winning $1.

36 - (8 + 9) = 36 - 17 = 19 remaining outcomes, that is, 19/36 probability of losing $2.

What is the expected value of X?

Multiplication of each outcome by its probability. So

$E(X) = \frac{8}{36}*4 + \frac{9}{36}*1 - \frac{19}{36}*2 = \frac{8*4 + 9*1 - 19*2}{36} = \frac{32 + 9 - 38}{36} = \frac{3}{36} = 0.0833$

The expected value of X is $0.0833.

4 0

3 years ago