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pshichka [43]
3 years ago
9

In a park, a sidewalk is built around the edge of a circular garden as shown below. The sidewalk is 5 feet wide, and the garden

measures 20 feet across. Which measurement is closest to the circumference of the outer edge of the sidewalk?
A.
75ft

B.
90ft

C.
30ft

D.
700ft
Mathematics
1 answer:
andrey2020 [161]3 years ago
4 0

Answer:

B.  90ft

Step-by-step explanation:

-The diameter of the outer edge will be equivalent to the garden's diameter plus twice the sidewalk's width:

D=D_g+2W_s\\\\=20+2\times5\\\\=30\ ft

#The outer circumference can then be calculated as:

C=\pi D\\\\=30\PI\\\\=94.25\ ft

Hence, the measurement closest to this circumference value is 90 ft

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Answer: 8 1/4g/cm³

Step-by-step explanation:

Given the graph :

The rate of change in the mass of copper with respect to volume :

To obtain this, we find the slope or gradient of the graph:

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Drawing a right angled triangle on the anybpart of the line of best fit:

y2 = 40 ; x2 = 4.75 ; y1 = 16 ; x1 = 2

(y2 - y1) / (x2 - x1)

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= 24 / 2.75

= 2400/275

= 8.727 g/cm^3

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6 0
3 years ago
A town's employment statistics show that 855 of its residents were unemployed last month. This is a decrease of 25% from the pre
Leona [35]
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1 year ago
Please help me please!!!!!!!
Alex787 [66]
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8_murik_8 [283]
If you would like to solve the inequality 12 * p + 7 > 139, you can do this using the following steps:

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Easy one....
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