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Gennadij [26K]
3 years ago
6

Use slopes to determine if the lines y= -x/3- 9 and 6x – 2y = -5 are perpendicular.

Mathematics
1 answer:
WARRIOR [948]3 years ago
8 0

Answer:

They are perpendicular.

Step-by-step explanation:

When we convert the equation 6x-2y=-5 into y=mx+b form, it changes into y=3x-5/2. Since we know that perpendicular slopes are opposite reciprocal, the opposite reciprocal of -x/3 is 3. So, we know that these 2 slopes are perpendicular.

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Given g(x)=-2x-3, then what is g(2m+7)
Whitepunk [10]

Answer:

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Step-by-step explanation:

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= -4m -14 -3

= -4m -17

8 0
2 years ago
Pls send answer and show work pls
I am Lyosha [343]
For question 7, if we add all votes for tiger and eagle, we get

tiger = 14 + 13 + 8 + 5 = 40
eagle = 6 + 7 + 12 + 15 = 40

so choices A and B are wrong.
C is also wrong because fifth and sixth grade votes for eagle are 6 + 7 = 13 and the 5th and 6th grade votes for tiger are 14 + 13 = 27. clearly 5th + 6th like tiger more.

D is the answer for question 7

question 8

rolling a cube does not affect the other cube so it is all independent probability.
cube: 1 2 3 4 5 6
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so probability of rolling an even number is

1/6 + 1/6 + 1/6 = 3/6 = 1/2

multiplying by total number of rolls, she will get even numberss

300 * 1/2 = 150

about 150 time.
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choice C is answer for question 8
4 0
3 years ago
Which ordered pair is in Quadrant III?
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3 years ago
Which expression is equivalent to the following expression? 10x + 3(8 - 7x)
Paladinen [302]
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weqwewe [10]
Its not 576 because i got it wrong 

6 0
3 years ago
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