3 years ago

A scale on a bike path shows that 3 inches represents 5 miles. How many inches on the map are equal to 30 miles

Mathematics

1 answer:

PtichkaEL [24]3 years ago

8 0

Answer:

18 inches.

Step-by-step explanation:

If the ratio for inches to miles is

$\frac{3}{5}$ ,

then you multiply the top and bottom by 6 to get to 30. This gets the numerator to 18 inches.

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a line with a slope of -1/9 passes through point (9,-1). What is its equation in slope intercept form

Elena L [17]

Answer:

$\huge \orange{y = - \frac{1}{9} x} \\$

Step-by-step explanation:

To find an equation of a line when given the slope and a point we use the formula

$y - y_1 = m(x - x_1)$

From the question we have

$y + 1 = - \frac{1}{9} (x - 9) \\ y + 1 = - \frac{1}{9} x + 1 \\ y = - \frac{1}{9} x + 1 - 1$

We have the final answer as

$y = - \frac{1}{9} x \\$

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The ratio of girls to boys in a lunchroom is 3 to 4. There are 48 boys. How many girls are there?

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Step-by-step explanation:

ratio is 3 to 4

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Y=(x-1)^2-9 standard form

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Find the slope of the line on the graph below:<br> Slope = [ ]

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slope =0

Step-by-step explanation:

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