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PSYCHO15rus [73]
4 years ago
5

Prove that if b is a square matrix then b+b^t is symmetric

Mathematics
1 answer:
WARRIOR [948]4 years ago
6 0
A matrix \mathbf X is symmetric if \mathbf X=\mathbf X^\top. We have

(\mathbf B+\mathbf B^\top)^\top=\mathbf B^\top+(\mathbf B^\top)^\top=\mathbf B^\top+\mathbf B=\mathbf B+\mathbf B^\top

and so \mathbf B+\mathbf B^\top is indeed symmetric.
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A company famous for its nacho-flavored corn chips has developed two new formulas, A and B, which they hope their customers will
kifflom [539]

flavored nachos, so as to deliver it with proper mentioned reason.Hence,

Hence,  This study is not well designed because formulas A and B are not compared with the original formula.

Step-by-step explanation:

As mentioned above, the cmpany needs to check the new upcoming flavors of nachos i.e., A and B and is said that it should meeet the requirement of getting better from their regular ones as well. For this, the company must release the two new nachos flavors A and B, irrespective of quantity and let the customers compare it with along the regular nachos.This demands for a fact that the 50 nachos been tasted should be compared with the regular flavored nachos so as to meet the demand getting better than the usual ones. For this to happen,the above mentioned study describes it the best.

This is the correct explanation for the above question

3 0
3 years ago
NEED THIS IS 30 MIN!!! DUE NOW!!! HELPPPPPPPP! PLEASEEEE!
laiz [17]

Answer:

I'm just guessing but 30 minutes

Step-by-step explanation:

2.5 minutes per mile.

Don't know if you get it wrong srry not that much of a math wiz just trying to help out.This  is only for a.I have my own physics that needs to be submitted pretty soon to so sorry if I am not helpful.Srry?:)

7 0
4 years ago
Read 2 more answers
Which is a correct first step in solving 5 – 2x < 8x – 3?
Elenna [48]

Answer:

5 < 10x - 3

Step-by-step explanation:

5 - 2x < 8x - 3

Add '2x' to both the sides

5 - 2x + 2x < 8x + 2x - 3

5 < 10x - 3

3 0
3 years ago
What are the solutions to the quadratic equation x^2-25=0
Xelga [282]
X² -25 = 0 
We can use formula a² -b² =(a-b)(a+b)

x² - 5² =0
(x-5)(x+5)=0

x+5 =0 or x-5 = 0
x=-5 or x=5

Answer is x=-5, x=5
4 0
3 years ago
An article bought for rs.800 is sold for 5/4 of the cost price. Find the profit percentage​
irina [24]

Answer:

the answer is 25% :D

3 0
3 years ago
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