3 years ago

I need help with number 19 thanks

Mathematics

1 answer:

marissa [1.9K]3 years ago

8 0

You were correct with answering Letter B.

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The net of a solid figure is shown below: Four squares are shown side by side in a row. The second square has a square above it

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There are 6 squares so u multiply 6x3=18 is the total surface area

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3 years ago

What is the equation of a parabola that opens left with a vertex of (-1,1)

xeze [42]

I think it is not possible to find a certain equation from just a given points, it must have more given information because there is a lot of parabola pass throw (-1,1).

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2 years ago

Someone pls help me with this question

Degger [83]

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Step-by-step explanation:

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2 years ago

Find the value of:<br>7- (1/2)3

WITCHER [35]

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Step-by-step explanation:

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3 years ago

If SS= 162 from a sample of 15 data, find s^2

Genrish500 [490]

Answer:

11.57

Step-by-step explanation:

We have a simple formula to solve this:

$s^2=\frac{SS}{n-1}$

where

SS is sum of squares

s^2 is the variance, and

n is the number of data points

We are given all the info to find out s^2. Hence,

$s^2=\frac{SS}{n-1}\\s^2=\frac{162}{15-1}\\s^2=\frac{162}{14}=11.57$

8 0

3 years ago