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Sati [7]
3 years ago
5

(a) An angle measures 31º. What is the measure of its complement?

Mathematics
1 answer:
Sloan [31]3 years ago
7 0

9514 1404 393

Answer:

  (a) 59°

  (b) 98°

Step-by-step explanation:

(a) Complementary angles total 90°.

  31° + a = 90°

  a = 90° -31° = 59°

The complement of 31° is 59°.

__

(b) Supplementary angles total 180°.

  82° +b = 180°

  b = 180° -82° = 98°

The supplement of 82° is 98°.

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How do you know that 21 over 30 is greater than 2 over 3
Bond [772]
The problem deals with fractions comparison, lets do it:
21/30 > 2/3
we begin solving:
21 > (2/3)*30
21 > 2*10
<span>21 > 20
</span>therefore the proposed inequality is true, <span>21/30 > 2/3

You can solve as well getting same denominator for both fractions and comparing directly, in this case we need to get 2/3 to be divided by 30:
2/3 = (10/10)(2/3) = 20/30
So we have:
</span><span>21/30 > 2/3
</span>which is equal to:
<span>21/30 > 20/30
</span>and we compare directly because both fractions are divided by the same number, and we can see that the inequality is true.
7 0
3 years ago
HELPP!!
Brilliant_brown [7]

Answer:

Hope this will help you.

5 0
3 years ago
I need help with 6 + 5× = 44
amm1812
You have to first subtract 6 from 44 then divide it by 5
3 0
3 years ago
Read 2 more answers
PLEASE HELP!
qaws [65]
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6 0
3 years ago
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Help? If you can.<br><br>Questions 5-9 ONLY
galben [10]

Answer:

My answer got deleted for some reason so lemme try again:

Answer:

5. A

6. B

7. 115

8. 97

9. 123

Step-by-step explanation:

5. Corresponding angles are angles that in the same position. Examples of corresponding angles in this diagram would be, <1 and 5, <2 and <6, etc

6. Supplementary angles add up to 180 degrees. Angles < and <3 (answer choice B) are vertical angles (angles who equal each other) so they are not supplementary angles

7. m<7 and m<2 are alternate exterior angles which means that they equal each other. Another example of this angle pair is m<1 and m<8

8. m<5 and m<3 are same side interior angles, which means that they add up to 180 degrees. Another example of this angle pair is <4 and <6

9. m<1 and m<6 add up to 180 degrees.

4 0
3 years ago
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