2 years ago

Round 68.09 to 2 Sf please

Mathematics

1 answer:

marta [7]2 years ago

4 0

68
I hope you understand this

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Is paid an annual salary of $26,000. Find the Pat's weekly salary

elena-s [515]

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Determine the equation for the quadratic relationship graphed below.

kap26 [50]

Answer:

$\large \boxed{\sf \bf \ \ y=3x^2-6x-1 \ \ }$

Step-by-step explanation:

Hello, please consider the following.

We can read from the graph that the vertex is (1,-4) , it means that the equation is, a being a real number.

$y=a(x-1)^2-4$

And the point (0,-1) is on the graph so we can write.

$a\cdot 1^2-4=-1 \\\\a-4+4=-1+4\\\\a = 3$

So the equation is.

$y=3(x-1)^2-4\\\\=3(x^2-2x+1)-4\\\\=3x^2-6x+3-4\\\\=3x^2-6x-1\\\\=\boxed{3}x^2\boxed{-6}x\boxed{-1}$

Hope this helps.

Do not hesitate if you need further explanation.

Thank you

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3 years ago

Helppp !!

marta [7]

Unknown but if u know lmk

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If 5y+3x=4, what is the value of 15y+9x

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it should be 12 because when youmultiply you multiply everything by the same thing

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Answer is C

Step-by-step explanation:

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