3 years ago

Need help ASAP What is the mean of the values in the dot plot

Mathematics

1 answer:

rusak2 [61]3 years ago

8 0

Answer:

19.5

Step-by-step explanation:

You need to add all the numbers and then divide.

If you add all the numbers you should get 273.

You count all the numbers which is 14 and divide it by 273.

**Check me if I am wrong**

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Find the equation of the axis of symmetry and the coordinates of vertex of the functions =2x^2+4x-3

SVEN [57.7K]

Hello,

Find the equation of the axis of symmetry is like find the maximum or minimum point of this function.

$f(x)=2x^2+4x-3\\\\\alpha=-\dfrac{b}{2a}=-\dfrac{4}{4}=-1\\\\$

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$\beta=f(\alpha)=2(-1)^2+4(-1)-3=2-4-3=-5$

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2 years ago

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uysha [10]

Answer:

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Step-by-step explanation:

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3 years ago

Read 2 more answers

Evaluate 3^-2, please help

Marrrta [24]

Answer:

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Exact form: 1/9

Decimal form: 0.1

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