3 years ago

Select the margin of error that corresponds to the sample mean that corresponds to each population:

Mathematics

1 answer:

Verdich [7]3 years ago

5 0

Answer:

Step-by-step explanation:

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Factor the polynomial expression 3x² + 2.

mel-nik [20]

Answer:

$\boxed{\left(x+i\sqrt{\frac{2}{3}}i \right)\left(x-i\sqrt{\frac{2}{3}}i \right)}$

Step-by-step explanation:

Setting the expression equal to zero to find the roots,

$3x^2 +2=0\\\\3x^2 =-2\\\\x^2 =-\frac{2}{3}\\\\x=\pm i\sqrt{\frac{2}{3}}$

This means that

$3x^2 +2=\boxed{\left(x+i\sqrt{\frac{2}{3}}i \right)\left(x-i\sqrt{\frac{2}{3}}i \right)}$

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2 years ago

Find the value of x. 3x X + 10 Х 2x x = [?]° Hint: Sum = (n-2)180 Enter

Svet_ta [14]

Answer: i’m confused

Step-by-step explanation:

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3 years ago

I need a lil help, ANSWER QUICKLY!

Valentin [98]

Answer:

yes

Step-by-step explanation:

Counterclockwise is going left, so if you start at the top, 270 degrees left of a clock will result in the same as 90 degrees clockwise.

7 0

3 years ago

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Elevator 1 in a building moved from ground position to a final position of +13 feet. Elevator 2 in the same building moved from

Marina CMI [18]

The correct answer I believe you are looking for is D. Elevator 1 is 13 feet above ground level, and Elevator 2 is 10 feet below ground level.

Explaination:

This is because if you start at (0, 0) Elevator one, will go up 13 on the y axis. Putting it at 13 feet above ground level. If you start Elevator 2 at ground level on (0, 0) and go down 10 it will make it -10 AKA 10 feet below ground level.

I hope this helps! :)

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4 years ago

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Are the linear equations in standard form? sort each equation into the appropriate category.

Sholpan [36]

What equation? You would have to pass a photo, but...
Standard form is: ax+by=c
Slope intercept form is: y=my+b
Point slope for is: y − y1 = m(x − x1)

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4 years ago