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mestny [16]
3 years ago
13

Please help me ! I really need it rn ! plzz !! ill mark you brainliest :3

Mathematics
2 answers:
Nikolay [14]3 years ago
8 0

Answer:

diameter x pi = circumference

22xpi=69.115

radius squared x pi = area

11 x 11 = 121 x pi = 380.1327

Step-by-step explanation:

Elenna [48]3 years ago
4 0

Answer:

Circumference= 69.08

Area = 380.13

Step-by-step explanation:

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ser-zykov [4K]
#1 shop A would be cheaper
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How do I fill out this form please help!
Aleks04 [339]

Answer:

what form?

Step-by-step explanation:

5 0
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A ship has a circular
alisha [4.7K]

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4 0
3 years ago
Using the quadratic formula to solve x2 = 5 - X, what are the values of X?
sdas [7]

Answer:

The answer is

<h3>x =  \frac{ - 1 +  \sqrt{21} }{2}  \:  \:  \: or \:  \:  \: x =  \frac{ - 1 -  \sqrt{21} }{2}</h3>

Step-by-step explanation:

x² + x - 5 = 0

Using the quadratic formula

That's

<h3>x =  \frac{  - b\pm \sqrt{ {b}^{2} - 4ac } }{2a}</h3>

From the question

a = 1 , b = 1 , c = - 5

Substitute the values into the above formula and solve

We have

<h3>x =  \frac{ - 1\pm \sqrt{ {1}^{2} - 4(1)( - 5) } }{2(1)}  \\ x =  \frac{ - 1\pm \sqrt{1  + 20 } }{2}  \\ x =   \frac{ - 1\pm \sqrt{21} }{2}</h3>

We have the final answer as

<h3>x =  \frac{ - 1 +  \sqrt{21} }{2}  \:  \:  \: or \:  \:  \: x =  \frac{ - 1 -  \sqrt{21} }{2}</h3>

Hope this helps you

3 0
3 years ago
Help me plssssssss!!!!!!!
ExtremeBDS [4]

Answer:

44 degrees

Step-by-step explanation:

there's two ways u could do this. One is all triangles add up to 180 degrees. u simply ignore the outside angle of 136 degrees, and add 62 and 74, and u get 136. take 180-136, and u get 44.

Another way is all strait angles add up to 180 degrees. take 180-136, and u get 44 degrees

Hope this helps and have a nice day :) :) :)

8 0
3 years ago
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