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SpyIntel [72]
3 years ago
14

Can u guys help me on this?

Mathematics
1 answer:
Nadusha1986 [10]3 years ago
7 0

Answer:

r = 6 m

Step-by-step explanation:

The circumference of a circle is given by

C = 2 * pi *r

Substitute in what we know

37.68 = 2 * 3.14 * r

37.68 = 6.28 r

Divide each side by 6.28

37.68/6.28 = 6.28 r/6.28

6 = r

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64/143 - 21/208 what does it equal to and how?
Arlecino [84]
2 11/78 you just have to simply multiply 64/143 x2 because since it can't be subtracted. And after you multiply 64/143, you just have to subtract normally which is 128-21 and 286-208. Then since your answer came out to an improper fraction, so you have to simplify by dividing 107 divided by 78. Then you will get your answer which is 2 11/78.

5 0
2 years ago
Is this relation a function?
Sliva [168]

Answer:

True

Step-by-step explanation:

First two points are inverse of last two points, all points reflects each other over y = -x

3 0
3 years ago
Triangle X Y Z is shown. Angle X Y Z is 51 degrees and angle Y Z X is 76 degrees. The length of X Z is 2.6, the length of X Y is
Novay_Z [31]

Answer:

3.2 units

Step-by-step explanation:

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4 0
2 years ago
If D varies directly with t and D is 105 when t is 3, find D when t is 8.
Jet001 [13]
D varies directly with t means
d=kt

105=3k
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B
7 0
2 years ago
Read 2 more answers
PLEASE HELP!!!!
Nadya [2.5K]

Answer:

(-1,1,3)

Step-by-step explanation:

midpoint = (x1+x2/2, y1+y2/2, z1+z2/2)

midpoint = ( (-6+4)/2, (3+-1)/2, (4+2)/2 )

midpoint = (-2/2, 2/2, 6/2)

midpoint = (-1, 1, 3)

6 0
3 years ago
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