3 years ago

I need this answer for number 5. someone help please

Mathematics

1 answer:

KIM [24]3 years ago

3 0

The answer to 6 is point Q

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Find the standard deviation of the data, 12, 19, 9.

jek_recluse [69]

Answer:

4.19

Step-by-step explanation:

Find the mean:

$\text{Mean}=\frac{12+19+9}{3}=\frac{40}{3}$

Find the standard deviation:

$\text{Standard Deviation}=\sqrt{\frac{(12-\frac{40}{3})^2+(19-\frac{40}{3})^2+(9-\frac{40}{3})^2}{3}}=\sqrt{\frac{158}{9}}\approx4.19$

4 0

3 years ago

HELP ASAP!!!!!! BRAINLIEST

lutik1710 [3]

Answer:

Step-by-step explanation:

you add 12 to y side and 2 to the x side

4 0

3 years ago

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Which statements are true for the following expression?

snow_tiger [21]

Step-by-step explanation:

(39 + 33) - 94

39 + 33 = 72

94 - 72 =22

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4 years ago

Masada sold his radio to Agouti at sh 63,000 making a loss of 10%.

Viefleur [7K]

Given:

Selling price of radio for Masada = 63,000

Loss = 10%

To find:

The amount of money Masada paid for the radio?

Solution:

Let x be the amount of money Masada paid for the radio.

According to the question,

$x-10\%\text{ of }x=63000$

$x-\dfrac{10}{100}x=63000$

$x-0.1x=63000$

$0.9x=63000$

Divide both sides by 0.9.

$x=\dfrac{63000}{0.9}$

$x=70000$

Therefore, Masada paid 70,000 for the radio.

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3 years ago

Please HELP<br><br> PICTURE SHOWN

Umnica [9.8K]

Answer:

x<−3+√1012 or x>−3−√1012

Step-by-step explanation:

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4 years ago