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Alex
3 years ago
7

Determine whether −6x+y=−1 is a function.

Mathematics
1 answer:
kenny6666 [7]3 years ago
7 0

Answer:

 is a function

Step-by-step explanation:

Any linear relation involving both x and y is a function.

__

<em>Additional comment</em>

A line of the form x=constant is the only sort of line that is not a function. As you can see, it does not involve y, which is why I put the restriction in the above statement.

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Given:

In triangle OPQ, o = 700 cm, p = 840 cm and q=620 cm.

To find:

The measure of angle P.

Solution:

According to the Law of Cosines:

\cos A=\dfrac{b^2+c^2-a^2}{2bc}

Using Law of Cosines in triangle OPQ, we get

\cos P=\dfrac{o^2+q^2-p^2}{2oq}

\cos P=\dfrac{(700)^2+(620)^2-(840)^2}{2(700)(620)}

\cos P=\dfrac{490000+384400-705600}{868000}

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On further simplification, we get

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Therefore, the measure of angle P is 79 degrees.

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3 years ago
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6 numbers form an arithmetic sequence with a common difference of 4. THe sum of these numbers equals 12. What are the 6 numbers.
frutty [35]

Answer: See explanation

Step-by-step explanation:

We will use the formula for an arithmetic sequence which will be:

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