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3 years ago

12

Tyler looks at a map on his phone. He zooms in until the map scale for centimeters to kilometers is 0.3 to 1/5. How many centime

ters does the map use to show 1 kilometer?

1 answer:

lutik1710 [3]3 years ago

5 0

one kilometer is equal to a hundred thousand centimeters

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3 hours

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What is constant of Proportionality in the equation y = 2.5x ?

Tpy6a [65]

Answer:

<em>2.5</em>

Step-by-step explanation:

A direct variation equation has the form y = kx, where k is the constant of proportionality.

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3 years ago

( this is my summer math homework, please help!)

Ilia_Sergeevich [38]

Using proportions, the selling prices are given as follows:

1. $46.92.

2. $15.29.

3. $17.16.

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<h3>What is a proportion?</h3>

A proportion is a fraction of a total amount, and the measures are related using a rule of three.

To find the selling prices, we have to multiply the original prices by either 1.02(2% sales tax) or 1.04(4% sales tax), hence they are given as follows:

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2. 14.99 x 1.02 = $15.29.

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1 year ago

What is the 2nd term when −3f3 + 9f + 6f4 − 2f2 is arranged in descending order?

Brilliant_brown [7]

For this case we have the following polynomial:

$-3f ^ 3 + 9f + 6f ^ 4 - 2f ^ 2$

To answer the question, what we must do is rewrite the polynomial in its standard form.

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$6f ^ 4 - 3f ^ 3 - 2f ^ 2 + 9f$

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3 years ago

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loris [4]

Given:

The area model.

The area of the shape is 82 square units.

To find:

The correct equation for the given situation.

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We know that, area of a rectangle is

$Area=Length \times Width$

The figure is divided into 3 rectangles. Using this formula, the area of each rectangle is

$A_1=(x)\times (3x)=3x^2$

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$A_3=(3)\times (3x)=9x$

Now, the total area is equation to 82 square units.

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3 years ago