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olga2289 [7]
3 years ago
8

-5 1/4 - (-7 1/2) Simplify, help asap

Mathematics
2 answers:
Aleks04 [339]3 years ago
8 0

Answer:

2.25

Step-by-step explanation:

Ivenika [448]3 years ago
6 0

Answer:

2 1/4

Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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3 years ago
Solve for x in the equation X2-8x+41 = 0 -
djverab [1.8K]

Answer:

The value of x fro the given equation is ( 4 + 2 i ) , ( 4 - 2 i )

I.e option D  

Step-by-step explanation:

Given equation as :

x² - 8 x + 41 = 0

For quadratic equation  ax² + b x + c = 0

The value of x = \frac{-b\pm \sqrt{b^{2}-4\times a\times c}}{2\times a}

∴ For equation x² - 8 x + 41 = 0

Or,                x = \frac{8\pm \sqrt{-8^{2}-4\times 1\times 41}}{2\times 1}

Or,                x = \frac{8\pm \sqrt{-100}}{2}

Or,                x = \frac{8\pm 10i}{2}

∴                  x = ( 4 + 2 i ) , ( 4 - 2 i )

Hence The value of x fro the given equation is ( 4 + 2 i ) , ( 4 - 2 i )

I.e option D     Answer

7 0
3 years ago
find the average of the numbers 5/8, 9/10, 2 3/4 write the solution as a mixed number or fraction in lowest terms.​
oksano4ka [1.4K]

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Step-by-step explanation:

3 0
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Step-by-step explanation:

It is always good to draw a picture to help you.  In this case

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Arte-miy333 [17]
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