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Lelechka [254]
3 years ago
7

Y= 8x - 9 y = 8x +1 A. Perpendicular B. Neither C. Parallel

Mathematics
1 answer:
Olin [163]3 years ago
5 0

Answer:

Option C. Parallel

Step-by-step explanation:

we know that

If two lines are parallel, then their slopes are the same

we have

y=8x-9 -----> Line A

y=8x+1 -----> Line B

The slope of both lines is equal to m=8

therefore

Line A and Line B are parallel lines

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Help me please number 7 (please show work)
astra-53 [7]

Answer:

m<H=30 degrees by the Triangle Sum Theorem, so <H=<V. <G=<U, they are right angles. If GH=UV, triangle FGH=triangle TUV by the ASA.

x=3  and y=8

Step-by-step explanation:

H equals 30 by 180-150=30 (getting 150 by adding 60 and 90)

I know this is not much of a answer, but I hope it helps a little.

http://www.somersetkey.com/ourpages/auto/2017/12/13/63309824/geo%20ch%205%20sec%204%20teach.pdf

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12x-9y=36<br> X-intercept is<br> Y- intercept is
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Answer:

x-int is 3

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Step-by-step explanation:

when x is zero, -9y = 36

y = -4

when y = zero 12x = 36

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A $20,000 car depreciates at a rate of 20% per year. How much is the car worth in 5 years.
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If today you can buy more Euros with $100 CAD than yesterday has the euro increased or decreased in value against the CAD?
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What is an equation of the line that passes through the point (-2, -3) and is
mrs_skeptik [129]

Answer: 2y + 5x + 16 = 0

Step-by-step explanation:

To solve this you need to understand the principle/ conditions for parallelism and perpendicularity.

for two lines to be parallel to each other, their gradients or slopes (m) must be equal, that is  m₁ = m₂

Now from the given equation,

5x + 2y = 14 , we need to rearrange it to conform to the equation of a straight line so that the gradient could be established. ie

y = mx + c where m is the gradient

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   y = -5x/2  + 14/2

   y = ⁻⁵ˣ/₂  + 7 , therefore , m₁ = ⁻⁵/₂ and m₂ = ⁻⁵/₂ ( parallelism Rule )

The next step is to find the value of C using the coordinate ( -2, -3 )

  -3 = ⁻⁵/₂ ˣ ⁻² + C,

  -3 =  ¹⁰/₂  + C

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   C = -8.

Now to find the equation of the line that passed through the coordinate

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  y = ⁻⁵ˣ/₂  - 8

  2y = -5x - 16

  2y + 5x + 16 = 0.

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