3 years ago

Can someone PLEASE help me!:(

Mathematics

1 answer:

Murljashka [212]3 years ago

5 0

Answer:

The focus of the pic is kinda bad

Step-by-step explanation:

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4x^2 - 24x + 7 = 3 I don't understand how to get to the final answer of x= 3 ± 2sqrt2

sergey [27]

4x² - 24x +7-3 =0
4x² - 24x + 4=0 /:4
x² - 6x +1=0
Use formula

$x = \frac{-b+/- \sqrt{ b^{2}-4ac } }{2a} 

For our equation a=1, b= - 6, c = 1

x= (6+/- \sqrt{36-4)}/2 = \frac{-6+/- \sqrt{32} }{2} = \frac{-6+/- \sqrt{16*2} }{2} = \frac{-6+/-4 \sqrt{2} }{2} 

= -3 +/- 2\sqrt{2} 
$

8 0

3 years ago

88, 92, 76, 42, 88, 90, 100, 110, 115, 5, 88, 92, 95

salantis [7]

Answer:

Mean = 83.15

Median = 90

Mode = 88

Range = 110

Outlier = 5

Step-by-step explanation:

Mean - (88+92+76+42+88+90+100+110+115+5+88+92+95)/2 = 83.15

Median - 5, 42, 76, 88, 88, 88, 90, 92, 92, 95, 100, 110, 115 = 90

Mode - 88, 92, 76, 42, 88, 90, 100, 110, 115, 5, 88, 92, 95 = 88

Range - 115 - 5 = 110.

Outlier - 88, 92, 76, 42, 88, 90, 100, 110, 115, 5, 88, 92, 95 = 5

hope it helps :)

please mark brainliest!!! (took a lot effort!)

8 0

4 years ago

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Write an expression equivalent to e+e+e+e+e that is a sum of two terms.

slamgirl [31]

Answer:

5(e)

Step-by-step explanation:

please mark this answer as brainliest

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3 years ago

Splve for n-8=-4+3n

grandymaker [24]

Answer: n=-2

Step-by-step explanation:

there you go

7 0

4 years ago

????????????????????

Veronika [31]

It seems like u are correct, smart man

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3 years ago

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