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AlekseyPX
3 years ago
13

Think about the numbers -10 and 10. How could you describe these numbers? What is the same and what is different about these num

bers
Mathematics
1 answer:
Sveta_85 [38]3 years ago
6 0

Answer:

1. The two numbers are the additive inverse of each other.

2. The two numbers are real numbers but the signs before them show that they are the opposite of each other.

Step-by-step explanation:

The Additive inverse of a number is that number which is added to it to give the result, 0. The number bears the opposite sign. To obtain the additive inverse of a number, simply multiply it by -1. For example, the additive inverse of 10 is;

10 * -1 = -10

The numbers 10 and -10 are real numbers, because real numbers tend to bear the opposite sign.

Addition of 10 and -10 will yield zero. This is characteristic of additive inverse.

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Answer:

The length of BC is needed because it is the side opposite ∠A.

Step-by-step explanation:

Given the right angles triangle as shown in the attachment, we can get sin(A) without using Pythagoras theorem. Instead we will use SOH CAH TOA trigonometry identity.

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