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zhannawk [14.2K]
3 years ago
6

the amount of sales tax on a clothing purchase is directly proportional to the purchase price of the clothing. the sale tax on a

$60 sweater is $4.20. determine the constant variation (sales tax percentage).
Mathematics
1 answer:
salantis [7]3 years ago
6 0

9514 1404 393

Answer:

  7%

Step-by-step explanation:

The tax rate is the ratio of tax to pre-tax cost:

  $4.20/$60.00 = 0.07 = 7%

The constant of variation (tax rate) is 7%.

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5 0
3 years ago
Consider the triangle.<br> 45°<br> 80°<br> Find the measure of the unknown third angle.
Elina [12.6K]

Answer:

55 \degree

Step-by-step explanation:

Let the unknown angle be x

As the interior angles in a triangle are added up to 180°

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Hope this helps you.

Let me know if you have any other questions:-)

6 0
3 years ago
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Ganezh [65]

Answer:

These numbers are - parameters.

Step-by-step explanation:

A study of all the students at a small college showed a mean age of 20.9 and a standard deviation of 2.9 years.

These numbers are - parameters.

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7 0
3 years ago
refer to the graphic novel frame below. seth traveled 1 mile in 57.1 seconds. about how fast does seth travel in miles per hour?
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3 0
3 years ago
below are two different functions f(x) and g(x). what can be determined about their y-interceptions f(x)=2x-1
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Since g(x) is not given, we cannot determine its y-intercept.


3 0
3 years ago
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