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vladimir2022 [97]
3 years ago
7

What is the simplified form of 3.2g^2+5.7d-2.7d+5.7g^2-4.2d

Mathematics
2 answers:
svp [43]3 years ago
8 0
I think the answer is:
Answer: 8.9g^2-1.2d
I hope this helps!
mr_godi [17]3 years ago
6 0
You would want to start by putting like terms together. 
3.2g² + 5.7g² + 5.7d - 2.7d - 4.2d
Now just simplify the terms
3.2g² + 5.7g² = 8.9g²
5.7d - 2.7d - 4.2d = 3d - 4.2d = -1.2d
Now you are left with 8.9g² - 1.2d which cant be simplified more.
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Answer:

The length of the third side of given triangle lies between 6.5 and 19.9.

Step-by-step explanation:

The law of cosine is as follows

 c^{2} =a^{2}+b^{2}+2abcos\alpha---------------1

⇒ a and b are the given sides of the triangle and c is the third side, and \alpha is the angle between a and b .

In equation 1 , the maximum and minimum values of cos\alpha are 1 and -1.

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⇒ \sqrt{a^{2}+b^{2}-2ab   } and  \sqrt{a^{2}+b^{2}+2ab  }   = |a-b| and |a+b|

Given a=13.2 and b=6.7 so the the side lies in between  |13.2-6.7| and |13.2+6.7|

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3 0
3 years ago
Help with the step by step
Nataliya [291]

Step-by-step explanation:

First, distribute the -4 to the parenthesis:

24a-22=-4+24a

Add 22 to both sides:

24a-22+22=-4+22+24a

Simplify:

24a=18+24a

Subtract 24a from both sides:

24a-24a=18+24a-24a

Simplify:

0=18

hope this helps :)

4 0
3 years ago
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Note that "miles" cancels.  So does "hours."  Finish this work.

Then convert   4.4 ft/sec into yards per minute.

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2+2+2+2+2+2+(2x9x9x9x9xx9x9)=?
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Answer:

50000000

Step-by-step explanation:

Do it yourself

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