Order these numbers from least to greatest. 7.7 , −71517 , 49 , 18724

1 answer:

4 0

To answer the question above, it must be noted that for negative numbers, the higher the numerical value without considering the negative sign, the smaller is the true value of the number. The order from least to greatest of the numbers is: -71517, 7.7, 49, and 18724.

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MAXImum [283]

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4 years ago

Im very confused on finding y<br>

Fed [463]

Answer:

In this case, you can use the concept of cosine to calculate y, and things are even easier when you have one of the special angles which is a 45° angle.

So we know that: cos45° = √2/2

This fact will always be true. In our case, we have:

cos45° = 7/y

Therefore, we have the equation:

7/y = √2/2

⇔ 14 = y√2

⇔ y = 14/√2

⇔ y = √196/√2 = √(196/2) = √98 = 7√2

So y is equal to 7√2

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3 years ago

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