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katrin2010 [14]
3 years ago
15

Am I doing this right I’m trying to help my little brother with his math homework but I don’t remember how to do this and he wan

ts me to use the “cake method” (LCM stands for least common multiple)

Mathematics
1 answer:
NeX [460]3 years ago
5 0

Answer:

The least common multiple is 30. Hope that helps!!

Step-by-step explanation:

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F(t)=t^2+19t+60<br> What are the zeros of the function and what is the vertex of the parabola?
SVEN [57.7K]

Answer: -4,-15;\ \left(-\dfrac{19}{2},-\dfrac{121}{4}\right)

Step-by-step explanation:

Given

Function is F(t)=t^2+19+60

Zeroes of the function are

t^2+19t+60=0\\\\\Rightarrow t=\dfrac{-19\pm\sqrt{19^2-4\times 1\times 60}}{2\times 1}\\\\\Rightarrow t=\dfrac{-19\pm \sqrt{121}}{2}\\\\\Rightarrow t=\dfrac{-19\pm 11}{2}\\\\\Rightarrow t=-4,-15

Using completing the square method

y=t^2+2\times \dfrac{19}{2}t+\dfrac{19^2}{2^2}-\dfrac{19^2}{2^2}+60\\\\y=\left(t+\dfrac{19}{2}\right)^2+60-\dfrac{361}{4}\\\\y=\left(t+\dfrac{19}{2}\right)^2-\dfrac{121}{4}\\\\y+\dfrac{121}{4}=\left(t+\dfrac{19}{2}\right)^2\\\\\left(y-(-\dfrac{121}{4}\right)=\left(t-(-\dfrac{19}{2})\right)^2\\\\\text{The vertex is }\left(-\dfrac{19}{2},-\dfrac{121}{4}\right)

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3 years ago
In a translation, the y-coordinates of the pre-image increase by 8. What was the translation?
djyliett [7]

Answer:

8 up

Step-by-step explanation:

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2 years ago
Help me find the answer show me the steps too​
Lelechka [254]
I’m sorry I don’t know the answer to that but maybe if you go in quizlet you can find the answer.
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Step-by-step explanation:

The distance is 12 - (-6) = 12 + 6 = 18

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Step-by-step explanation:

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