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bonufazy [111]
3 years ago
11

? + ? =8+ +? - ? =6= =13 8

Mathematics
1 answer:
natta225 [31]3 years ago
8 0
3.5 + 4.5 = 8 
+       +      
9.5  - 3.5 = 6 
=      =  
13       8

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Express x^2y^2+x^2+y^2+1
Hitman42 [59]

Answer:

( y^2 +1) ( x^2+1)

Step-by-step explanation:

Step 1 ) Factor out x^2 from the expression

x^2 (y^2+1)+y^2+1

Step 2) Factor out y^2 from the expression

(y^2+1) (x^2+1)

Solution is ( y^2 +1) ( x^2+1)

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2 years ago
A spruce tree is approximately the shape of a cone with a slant height of 20 ft. The angle formed by the tree with the ground me
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The answer is 16 feet.
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In Exercises 23–36, solve the system using either Gaussian elimina- tion with back-substitution or Gauss-Jordan elimination. 23.
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Answer:

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Step-by-step explanation:

For the first system(23), it goes like this

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[1 2   | 7]

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So, now we have:

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[2 -4| 3]

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[-1 2 | 1.5]

[0 0| 0]

So there are infinite solutions for this system. The solution for this system will be each (x,y) pair where x = 1.5 - 2y.

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Answer:

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