Atire at the top of a hill starts rolling down the hill. if the diameter of the tire is 36 inches, how many inches has the tire rolled if it has rotated exactly 10 times down the hill? a) 180 b) 360 c) 36π d) 360π

Therefore ,(D)  360π inches.

Step-by-step explanation:

Given: A tire at the top of a hill starts rolling down the hill. If the diameter of the tire is 36 inches.

To find: How many inches has the tire rolled if it has rotated exactly 10 times down the hill.

Solution : We have given that diameter of tire = 36 inches.

 Radius =

  Radius =

 Radius = 18 inches.

Circumference of tire = 2 * π radius

Circumference of tire = 2 *  π 18

                                    = 36π

We need to  rolled the tire 10 times down the hill

then,  10 * 36π = 360π inches.

Therefore ,(D)  360π inches.

step-by-step explanation:

a.   since the profit made in 2012 is equal to the profit made in 2014, the profit is           symmetric about the line y = 120,000.

step-by-step explanation:

given that megan owns a clothing boutique.

the profits of 2010, 11, are recorded and shown as follows:

years since     2010 0     1     2     3       4       5

profits made in 1000's   39       84     111     120   111     84

we find that profit gradually increases form 2010 to 2013 upto 120,   then starts decreasing.

the profits for 2012 and 2014 are the same while that of 2011 and 2015 are also the same.

this shows that there is symmetry about the line profit = 120000

hence answer is:

a.   since the profit made in 2012 is equal to the profit made in 2014, the profit is           symmetric about the line y = 120,000.

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step-by-step explanation: