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Sophie [7]
3 years ago
6

What is the approximate circumference of a circle with a diameter of 9? Round answer to nearest tenth.​

Mathematics
1 answer:
Grace [21]3 years ago
5 0

Answer:

113.1

Step-by-step explanation:

Write down the equations on the top of your paper; it could help you throughout your homework.

The equation for circumference is 2 times pi, times the radius.

The Radius is the diameter times two.

2 times 9=18, so therefore the radius is 18.

Once you have that done, just put in your calculator 2 times pi times 18.

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Find H <br> Need help please!!!!
icang [17]

Answer:

16

Step-by-step explanation:

use the acroname sohcahtoa

<em><u>sin </u></em><em><u>6</u></em><em><u>0</u></em><em><u>=</u></em><em><u>8</u></em><em><u>√</u></em><em><u>3</u></em><em><u>/</u></em><em><u>h</u></em>

sin60=0.8660 while 8√3=13.8564

divide both side by 0.8660

0.8660/0.8660=13.8564/0.8660

h=16.0

5 0
3 years ago
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Feliz [49]

Answer:

#1 is 3/6 or 1/2

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4 0
3 years ago
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A large brine tank containing a solution of salt and water is being diluted with fresh water.
kirza4 [7]

Answer:

41.04 g/L

Step-by-step explanation:

The relationship is modeled by the following function:

S(t) = 500*e^(-0.25*t)

where t is time elapsed after the dilution begins (in hours) and S(t) the concentration of  salt in the tank (in g/L)

Replacing with t = 10

S(t) = 500*e^(-0.25*10)

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6 0
3 years ago
Antoine works in a restaurant and he is paid his regular hourly rate of 40 hours a week and time and a half for all hours over 4
Inessa05 [86]
560+ 147= 707

14(40)= 560
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21(7)= 147
6 0
2 years ago
Is π^2 greater or less than 7.2?
STatiana [176]

Answer:

less than

Step-by-step explanation:

Well pi divided by 2 is 1.57 and you need to figure out if 7.2 is greater than or less than pi^2 aka 1.57 so theres your ansewr

4 0
2 years ago
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