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Nuetrik [128]
3 years ago
8

Write an equation perpendicular to x-3y=3 passes through (5,-9)

Mathematics
1 answer:
kherson [118]3 years ago
8 0
3y=x-3
y=1/3x-1
Perpendicular slope: -3
y=-3x+b
Plug in the coordinates in the equation:
-9=-3(5)+b
-9=-15+b
4=b
Equation: y=-3x+4
Also, when finding the perpendicular slope you take the reciprocal of the original slope and make it negative if it is positive and make it positive if it’s negative.
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Answer:

See explanation!

Step-by-step explanation:

The term 9x is comprised of two values: 9 and x. The 9 represents the cost of the general admission tickets. Since the expression is representing the total cost for the group of friends, the number of friends attending must be represented somehow in the equation. Since the $9 is paired with the x, this means that x represents how many of the friends are paying the general admission price. After interpreting both values within the term, the meaning of the term 9x is simply just the total cost of the friends that are paying the general admission price! Hope this helps!

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What is the next fraction in this sequence? Simplify your answer.<br> 1/4, 3/8, 1/2, 5/8...
LekaFEV [45]

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Mary spent half of her allowance going to the movies . She washed the family car and earned seven dollars . What is her weekly a
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If Mary spent half of her allowance the equation will begin with 1/2x or 0.5x where x is her allowance and 0.5 is half of her allowance spent. Mary also earned 7 dollars by washing the car so this will be added to her allowance spent.
The problem says that after Mary has spent half of her allowance at the movies she was left with 18 dollars so that means that the equation must be equal to 18.

The equation you want to set up is

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Thus, Mary has a weekly allowance of 22 dollars.
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2 years ago
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