3 years ago

What is the meaning of sigma/sqrt n? σ/√n? o/sqrt n?

1 answer:

3 0

Answer:

sigma means the sum of all values then the sqrt of n I presume to be the amount of number.(I am not sure if this answer your question as it is very vague.

Step-by-step explanation:

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Need help ASAP

Margarita [4]

<span>Angle T = Angle C, let them equal x

So x + x + 140 = 180

2x = 40

x = 20

So Angle T = 20 degrees </span>

6 0

4 years ago

Which could be the graph of f(x) = |x -h| + k if h and k are both positive?

Nesterboy [21]

Step-by-step explanation:

The graph of the function y=|x| is as shown in the attached diagram. The only possible translation of this graph right and up is option A. (In option B graph is translated right and down, in option C- left and up and in option D - left and down). Answer: correct choice is A.

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3 years ago

A shoreline is eroding at a rate of 1/3 foot per 3 months . How many feet are eroding per year?

Tatiana [17]

There are 12 months in a yr so 12/3=4 then 1/3x4=4/3 so 1ft and 1/3 erode each yr. C is the correct answer<span />

4 0

3 years ago

A number line has marks A question mark, negative 2, B question mark, 0, 1, C-2, 3, D question mark, 5, E 6.

slavikrds [6]

Answer:

What number is represented by point B = -1

Which point represents the number 2? = C