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Delvig [45]
3 years ago
13

In EFGH find the measure of GFH !!!! PLEASE HELP!!!!

Mathematics
1 answer:
stich3 [128]3 years ago
6 0

Answer:

C

Step-by-step explanation:

Since EF and GH are parallel lines then

∠EGF = ∠GFH = 60° ( Alternate angles )

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HELP I WILL GIVE BRAINLIEST!!!
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2 years ago
1/6 and 3/8 rewrite them to get common denominators and whole number numerators
bagirrra123 [75]
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Find the volume of the pentagonal prism?<br><br> please help me
NikAS [45]

Answer:

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Step-by-step explanation:

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3 years ago
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igor_vitrenko [27]

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7 0
2 years ago
Show in fact that 1=9m + 20n for some integers m and n
marta [7]

Answer:

1=9\cdot 9+20\cdpt (-4)=81-80

Step-by-step explanation:

The greatest common divisor between 9 and 20 is 1, so we know the equation 1=9m+20n has a solution. A solution can be found either by inspection, or by applying Euclidean algorithm.

By inspection we just list some multiples of 9:

9, 18, 27, 36, 45, 54, 63, 72, 81, 90, 99

and also list some mutiples of 20:

20, 40, 60, 80, 100, 120

And so we see that we can find a multiple of 9 (81) which is 1 away from a multiple of 20 (80). Which is the solution given at the start.

For the Euclidean algorithm, we should divide the greatest of the two numbers, by the smallest one, and keep track of the remainder:

20 = 9 * 2 + 2

Then we divide 9 by the remainder we got, which is 2:

9 =  2 * 4 + 1

we would continue doing this until getting a remainder of 1 (which we just did). Finally we "solve" for 1, from the last equation:

9 - 2*4 = 1

And then we solve for 2 from the first equation, and plug that in into the previous equation:

20 - 9*2 =2

9 - ( 20 - 9*2)*4 = 1

which does give us the same solution: 9\cdot 9 +20\cdot (-4)=1

5 0
3 years ago
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