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shepuryov [24]
2 years ago
12

Help its due in 15 mins ​

Mathematics
1 answer:
Anton [14]2 years ago
8 0

Answer:

\sqrt{44} = 2\sqrt{11}

Step-by-step explanation:

Apply pythagorean theorem:

ABD is a right triangle with angle ADB = 90

hence AD = \sqrt{AB^{2} - BD^{2}  } where BD = 10 because it is half of BC

AD = \sqrt{12^{2}-10^{2}  } = \sqrt{44} = 2\sqrt{11}

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Answer:

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Step-by-step explanation:

6 0
2 years ago
The sum of the digits of a two-digit number is 8. The difference between the number and the reversed number is 10 more than the
Vesna [10]

Answer:

The number is 62

Step-by-step explanation:

Let the digits of the number be T and U;

A 2 digit number is represented as: 10T + U

So,

T + U = 8

10T + U - (10U + T) = 10 + 10U + T

Required

Find the digit

Make U the subject in the first equation

U = 8 - T

Substitute 8 - T for U in the second

10T + U - (10U + T) = 10 + 10U + T

10T + 8 - T - (10*(8-T) + T) = 10 + 10(8 - T) + T

10T + 8 - T - (80-10T + T) = 10 + 80 - 10T+ T

10T + 8 - T -80+10T - T = 10 + 80 - 10T+ T

Collect Like Terms

10T + 10T - T- T + 8  -80 = 10 + 80 - 10T+ T

18T -72 = 90 - 9T

9T + 18T  = 90 + 72

27T  = 162

T = 162/27

T = 6

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U = 8 - T

U = 8 - 6

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<em>Hence, the number is 62</em>

5 0
3 years ago
In the figure below, m
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Oh ok but I have a few questions. First what
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If the volume of the cylinder is 502.4 in?, what is the radius of
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Step-by-step explanation:

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6 0
3 years ago
Read 2 more answers
4
8090 [49]

Answer:

im guessing it is 6

Step-by-step explanation:

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3 years ago
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