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2 years ago

PLEASE HELP!!!!

Mathematics

2 answers:

Alecsey [184]2 years ago

7 0

If i’m being honest probably sales job you would make more money but you should check it x

erica [24]2 years ago

6 0

Answer:

5:8

10:16

you get the idea

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What is the standard form of (7-5i)(2+3i)?<br> A.-29+11i<br> B.29+11i<br> C. 11-29i<br> D.-11+29i

Lubov Fominskaja [6]

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2 years ago

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2 years ago

12. The sales tax in Marvin's city is 7.33%. He bought a video game system for $299 and 2 games at $49 apiece. What was his tota

katen-ka-za [31]

Answer:

$426

Step-by-step explanation:

Step one:

given data

He bought a video game system for $299

2 games at $49 apiece= 2*49= $98

total cost = 299+98=$397

tax= 7.33%

=7.33/100*397

=0.0733*397

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total cost = 29.1001+397

=$426

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2 years ago

The following six independent length measurements were made (in feet) for a line: 736.352, 736.363, 736.375, 736.324, 736.358, a

horrorfan [7]

Answer:

Assuming population data

$\sigma = \sqrt{0.000354}=0.0188$

Assuming sample data

$s = \sqrt{0.000425}=0.0206$

Step-by-step explanation:

For this case we have the following data given:

736.352, 736.363, 736.375, 736.324, 736.358, and 736.383.

The first step in order to calculate the standard deviation is calculate the mean.

Assuming population data

$\mu = \frac{\sum_{i=1}^6 X_i}{6}$

The value for the mean would be:

$\mu = \frac{736.352+736.363+736.375+736.324+736.358+736.383}{6}=736.359$

And the population variance would be given by:

$\sigma^2 = \frac{\sum_{i=1}^6 (x_i-\bar x)}{6}$

And we got $\sigma^2 =0.000354$

And the deviation would be just the square root of the variance:

$\sigma = \sqrt{0.000354}=0.0188$

Assuming sample data

$\bar X = \frac{\sum_{i=1}^6 X_i}{6}$

The value for the mean would be:

$\bar X = \frac{736.352+736.363+736.375+736.324+736.358+736.383}{6}=736.359$

And the population variance would be given by:

$s^2 = \frac{\sum_{i=1}^6 (x_i-\bar x)}{6-1}$

And we got $s^2 =0.000425$

And the deviation would be just the square root of the variance:

$s = \sqrt{0.000425}=0.0206$

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2 years ago

If you are thankful for your family write a paragragh why you are thankful for your family:)

nata0808 [166]

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2 years ago