2 years ago

A floor plan is drawing using a scale of 3cm/15ft what is the length is represented by 1 centimeter?

Mathematics

1 answer:

Reptile [31]2 years ago

5 0

Answer:

1cm=5ft

Step-by-step explanation:

divide 15 by three

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Write an equation of the line passing through the points (4,6) and (-2, - 18).

olga_2 [115]

Answer:

y = 4x – 10

Step-by-step explanation:

slope formula: $m = \frac{y_{2}-y_{1} }{x_{2}-x_{1} }$

point-slope formula: $y-y_{1}=m\left(x-x_{1}\right)$

Use slope formula and plug in your numbers: $m = \frac{-18-6}{-2-4 }$
Solve for slope $m = 4$
Use the point-slope formula to solve for the equation: $y-6=4\left(x-4\right)$
Solve and find equation: $y=4x-10$

Note: When given two points you only need to pick one for the point-slope formula! Best to choose the positive one so you don't have to deal with the negatives!

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Answer:

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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If a car makes a trip of 422 miles in 8 hours, what is its average speed per hour?

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Answer:

52.75 miles per hour (MPH)

Step-by-step explanation:

422÷8 is equal to 52.75

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Answer:

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Step-by-step explanation:

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