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lubasha [3.4K]
3 years ago
15

X + y is rational, must x and y each be rational

Mathematics
2 answers:
iren [92.7K]3 years ago
7 0
The rationals are closed under addition, so if x,y are rational then x+y must be rational since Q is a group under addition.
timofeeve [1]3 years ago
3 0
Yes because x and y must be integers
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3 years ago
HELP ITS REALLY URGENT
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Answer/Step-by-step explanation:

a. m<h = x°

Two angles to use in finding x are <h and 55°

Angle pair formed: linear pair angles

b. x° + 55° = 180° (linear pair)

Subtract 55° from each side

x + 55 - 55 = 180 - 55

x = 125°

c. Given: m<n = y°

Two angles to use in solving for y are: <h and <n

Angle pair formed: alternate exterior angles

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5 0
3 years ago
Line JM intersects line GK at point N.
mylen [45]

The statements that are true are angle MNL is complementary to angle KNL and angle GNM is supplementary to angle JNK. Option B and E

<h3>How to determine the statements</h3>

Ray NL creates two angles in the lower right quadrant.

The two angles created form a total of  90°, so the two angles formed are complementary. The relation is given as;

∠MNL + ∠KNL = ∠MNK = 90°

Hence ∠MNL and ∠KNL are complementary

∠GNM and ∠JNK are both right angles (and also vertical angles). They sum up to180°. They can be said to be supplementary.

∠GNM and ∠JNK are supplementary

Thus, the statements that are true are angle MNL is complementary to angle KNL and angle GNM is supplementary to angle JNK

Learn more about supplementary angles here:

brainly.com/question/2046046

#SPJ1

4 0
2 years ago
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