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vekshin1
3 years ago
11

Will mark brainliest !!! Which matrix multiplication is defined?

Mathematics
2 answers:
german3 years ago
7 0

Answer:

B

Step-by-step explanation:

Correct  me if Im wrong

GenaCL600 [577]3 years ago
7 0

Answer:

b is the correct answer means option b a b is the correct answer because I am which use shown in the picture at that man I think the bi is a correct option if I am wrong please tell me the what is the correct answer and how

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Can someone please help me with this!!!
Volgvan

Step-by-step explanation:

I am not fully sure what your teacher is aiming for. it friends very much on what you were just discussing in class (which I don't know).

but the first thing coming to mind is a minus sign ("-"). squaring a negative number removed the minus and makes the result equal to squaring the same positive number.

just for the undoing the 1/2 :

that is, because a fraction as exponent specifies in its denominator the root to be calculated for the basic value or expression.

so, 1/2 means square root. and yes, square is the inverse function of a square root, and it "undoes" the square root.

in exponent calculation it just means that for exponent 1 to the power of exponent 2 we simply multiply both exponents. and so, 1/2 × 2 = 1

FYI - the numerator still represents an original "to the power of" operation.

so, e.g. 3/2 would mean put the basis to the power of 3 and then do the square root of that result. or the other way around. these operations are commutative (the sequence does not matter).

4 0
3 years ago
Charles and his brother are sharing the cost of a video game. The video game costs $30.70. If Charles saved $20 to buy the game
lapo4ka [179]

Answer:


Step-by-step explanation$10.70

4 0
3 years ago
Is (5x+6)/2=3-(4x+12) equivalent to 5/2x+3=3-(4x+12) ?
strojnjashka [21]

Answer:

-24/13, yes

Step-by-step explanation:

4 0
3 years ago
How do i write proofs like this?
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3 years ago
A dentist wants to find out how often her patients floss their teeth. Which samples are biased? Check all that apply.
professor190 [17]

Answer:

Answers 2,3, and 4 are all biased.

Step-by-step explanation:

She has to check ALL her patients to be unbiased. Otherwise she is showing favoritism and bias.

5 0
2 years ago
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