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Ne4ueva [31]
3 years ago
5

Is the following true for all positive values of a and b: If a^2>b^2, then a>b

Mathematics
2 answers:
Dominik [7]3 years ago
4 0

Answer:

Yes, that is correct.

Step-by-step explanation:

a would always have to be greater than b since you're just multiplying each variable by itself.

zysi [14]3 years ago
3 0

Answer:

Yes

Step-by-step explanation:

a^2>b^2 means a^2-b^2>0.

Factoring the left hand side gives me:

(a-b)(a+b)>0

Since a,b are positive then a+b is positive so dividing both sides by this will not effect the direction of the inequality:

a-b>0

Adding b on both sides gives:

a>b

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What is the answer for x
alexandr402 [8]

Answer:

x = 8.5

Step-by-step explanation:

I got this answer by assuming the triangles were congurent, if they are not, the answer may vary.  

first, make an equation:

x + 8 = 3x - 9

bring 3x to the other side, by subtracting it

-2x + 8 = -9

Subtract 8

-2x = -17

divide by -2

x = 8.5

Then, just sub x into the formulas

5 0
2 years ago
If f(x) = 3x^0 - 2x^-1 +4 then f(2)=
Assoli18 [71]

Answer:

try this link

Step-by-step explanation:

https://www3.nd.edu › WorkPDF

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MATH 10550, EXAM 1 SOLUTIONS 1. If f(2) = 5, f(3) = 2, f(4) = 5, g(2 ...

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3 years ago
Apply the distributive property to factor out the greatest common factor 22c+33d
Tems11 [23]
What you need to do is find a common multiple which is 11, Then you divide 22c and 33d by 11 so you get 2c and 3d Then since there is an addition sign you put 2c and 3d is () 
The Final answer is
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5 0
3 years ago
Eli packed 1,920 peanuts into 8 sacks. He packed an equal number of peanuts in each sack. How many peanuts did he pack into each
svlad2 [7]
D because one thousand nine hundred twenty divided by 8 equals two hundred and forty
8 0
2 years ago
Read 2 more answers
I don’t understand. and someone please help?
givi [52]

Solution:

<u>Note that:</u>

  • 6x + 26 = 92 (Vertically opposite angle)
  • 92 + 92 + z + z = 360

<u>Finding x.</u>

  • 6x + 26 = 92
  • => 6x = 92 - 26
  • => 6x = 66
  • => x = 11

<u>Finding z.</u>

  • 92 + 92 + z + z = 360
  • => 184 + 2z = 360
  • => 2z = 360 - 184
  • => 2z = 176
  • => z = 176/2 = 88
3 0
2 years ago
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