3 years ago

Solve systems of equations algebraically x+4y=3 and 2x-3y=17 what is the system of equations

1 answer:

6 0

Type the equations to a website called maths papa-using their algebra calculator, i highly recommend it, it shows all the working clearly and the answers are always correct

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Ilya [14]

Notice that:

$\cos (\frac{4\pi}{3})=\cos (\pi+\frac{\pi}{3})\text{.}$

Recall that:

$\cos (\pi+x)=-\cos (x)\text{.}$

Therefore:

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Answer:

$cos(\frac{4\pi}{3})=-\frac{1}{2}\text{.}$

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Mariulka [41]

Answer:

Option D $F(x)=150(0.85)^{x}$

Step-by-step explanation:

In this problem we have a exponential function of the form

$F(x)=a(b)^{x}$

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x ----> the number of weeks

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In this problem we have

a=150 rabbits

b=1-r

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b=1-0.15=0.85

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