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Oduvanchick [21]
3 years ago
13

Classify the real numbers as rational or irrational numbers.

Mathematics
1 answer:
AleksAgata [21]3 years ago
6 1

Answer:a

Step-by-step explanation:

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Acute would be less than 90 degrees, obtuse is greater than 90 degrees and right is 90 degrees
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The figure below shows a rectangle with a diagonal drawn.
Kipish [7]

Answer:

<u>Option B. sin(s) = cos(u)</u>

Step-by-step explanation:

The rest of the question is the attached figure.

Complementary angles - two angles that add to 90 degrees.

The sine of one of them will be equal to the cosine of other angle.

For the attached figure:

The set all complementary angles are:

  1. angle s and angle t
  2. angle u and angle v
  3. angle s and angle u
  4. angle t and angle v

We will check the options:

A. sin(t) = sin(u)  ⇒(<u>wrong</u>) because t and u are not complementary angles

B. sin(s) = cos(u) ⇒ (<u>True</u>) ⇒ s and u are complementary angles and sine of one of them will be equal to the cosine of other angle.

C. cos(s) = sin(v) ⇒(<u>wrong</u>) because t and u are not complementary angles

D. cos(t) = cos(v) ⇒(<u>wrong</u>) because t and v are complementary angles but sine of one of them should be equal to the cosine of other angle.

<u>The answer is option B. sin(s) = cos(u)</u>

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242,628 written in word form
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Two hundred forty two thousand, six hundred twenty eight.
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