2 years ago

What is 1/2 + 2 1/4?

Mathematics

2 answers:

Bumek [7]2 years ago

4 0

Answer:

2.75 in decimal form

2 3/4 mixed number form

Step-by-step explanation:

ICE Princess25 [194]2 years ago

4 0

Answer:

2 3/4

Step-by-step explanation:

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Which of the following is a true polynomial identity

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Answer:

It's a.

Step-by-step explanation:

(a - 2b)^2 + 8ab

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What is the vertex of g(x) = –3x2 + 18x + 2?

blsea [12.9K]

Answer:

$(3,29)$

Step-by-step explanation:

There is a formula that can be used to find the x-value of the vertex of the parabola. This formula is $x=\frac{-b}{2a}$

We have the function $g(x)=-3x^2+18x+2$

From this function, we can find that

$a=-3\\b=18\\c=2$

We can plug in our know values into the formula to get

$x=\frac{-18}{2(-3)\\} \\x=\frac{-18}{-6} \\\\x=3$

Then we can plug in our x-value to find the y-value of the vertex

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This means that the vertex would be $(3,29)$

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