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r-ruslan [8.4K]
3 years ago
11

If you add or subtract two rational numbers, is the result sometimes, always, or never rational?

Mathematics
1 answer:
lawyer [7]3 years ago
8 0

Answer:

Always

Step-by-step explanation:

8 - 9 = -1

1/3 - 1/6 = 1/6   are 2 examples

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What is 43 percent of 84
Misha Larkins [42]

Answer:

36.12

Step-by-step explanation:

43% of 84 can be rewritten to 43% * 84 or 43/100 * 84.

43/100 * 84/1 = 3612/100

3612/100 = 36.12

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Step-by-step explanation:

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∠A and ∠B are complementary. m∠A=29°. find m∠B.
Georgia [21]

Answer:

55 degrees

Step-by-step explanation:

Add the expressions up and set up an equation.

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3 years ago
a 20-m ladder is leaning against the wall of a building which is 16m high.how far is the foot of the ladder to the building?​
mrs_skeptik [129]

Answer:

12 m

Step-by-step explanation:

This can be solved using the Pythagorean theorem

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