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Karo-lina-s [1.5K]
3 years ago
8

What is the equation of a vertical line passing through the point (−4, 7)? y = 7 y = −4 x = 7 x = −4

Mathematics
2 answers:
Katen [24]3 years ago
8 0
The equation of the vertical line passing through point -4,7 would be X = -4.
BartSMP [9]3 years ago
5 0

Answer:  The correct option is

(D) x=-4.

Step-by-step explanation:  We are given to find the equation of a vertical line passing through the point (-4, 7).

We now that

a vertical line is always parallel to the y-axis and is of the form

x=k~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~(i)

Since the given vertical line passes through the point (-4, 7) so from equation (i), we have

-4=k\\\\\Rightarrow k=-4.

Substituting the value of k in equation (i), we get

x=-4.

Thus, the required equation of the line is x=-4.

Option (D) is CORRECT.

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Answer:

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Therefore the error

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3 years ago
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Determine the x and y intercepts
kakasveta [241]
Answer:
x-intercepts: (2,0), (4,0)
y-intercepts: (0,-8)

Explanation:
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5 0
3 years ago
PLSSSSSS!!!! HELP ME I WILL MARK YOU!!!!!!!!!!
joja [24]

Answer:

2.25

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5 0
3 years ago
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Please help me with these questions and please show the work or something... and yep, 30 points so you better answer with an exp
Aleks04 [339]
Part 1:

You have the correct answer. You multiply the probability of getting red (6/15) by the probailitiy of getting red (6/15) to get 36/225 which reduces to 4/25

--------------------------------

Part 2: 

This is also correct. Nice work. You multiply the probability of getting black (9/15) with the probability of getting red (6/15) to get 54/225 = 6/25

--------------------------------

Part 3:

The probability of picking a black checker is 9/15. If a replacement is made, then the probability of picking another black checker is also 9/15. So, 

(9/15)*(9/15) = 81/225 = 9/25

Answer: 9/25

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Part 4:

The probability of rolling a 6 is 1/6. The probability of rolling a 3 is 1/6 as well. This is because there is only one side with this label out of 6 total. Multiply the probabilities

(1/6)*(1/6) = 1/36

Answer: 1/36

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Part 5:

It is impossible to roll a 7 on the six sided cube because the highest number is 6. Therefore the overall probability is 0

Answer: 0

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Part 6:

There are 3 outcomes we want (rolling a 1,2, or 3) out of 6 total. So the probability of rolling a 1,2 or 3 is 3/6 = 1/2. Similarly, the probability of rolling a 4, 5 or 6 is 3/6 = 1/2 as well.

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3 years ago
Line L has equation 2x - 3y = 5.
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