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olya-2409 [2.1K]
2 years ago
9

What is the solution of the system of equations​

Mathematics
1 answer:
Alona [7]2 years ago
5 0

Answer:

A solution to a system of equations means the point must work in both equations in the system. So, we test the point in both equations. It must be a solution for both to be a solution to the system.

Step-by-step explanation:

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Answer:

Step-by-step explanation:

Use SOH CAH TOA to recall how the trig functions fit on a triangle

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7)

now decide which parts we know and what we want to slove for and pick the function that has those in it

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where x is the angle at that sharp point on the triangle

I want to use that 15° angle in one of the above formulas as it's Opposite of that side we want to know, and also adjcent to that side we know , so i'll pick TOA  since it's got all of those in it.  Opp = x for this triangle

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8)

the angle is 43° and we know the adjacent side and we want the Hypotenuse , now i'll pic  CAH  since it's got those pieces in it

Cos(43)= 31 / Hyp

some algebra just to switch Hyp out of the denominator

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:)

8 0
3 years ago
A salesperson earns a commission of $589 for selling $3100 in merchandise. Find the commission rate. Write your answer as a perc
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Answer:

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Step-by-step explanation:

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