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kondor19780726 [428]
3 years ago
9

Here it is again. Please help me

Mathematics
1 answer:
igomit [66]3 years ago
7 0

Answer:

First question: A, Second question: B

Step-by-step explanation:

0.5= 1/2

0.25= 1/4

0.4= 2/5

Now, insert these numbers, as fractions, back into the equation:

\frac{1}{4}- \frac{1}{2}+ \frac{1}{2}- \frac{1}{4}+ \frac{3}{5}+ \frac{2}{5}

Following PEMDAS you will get 1 as your answer.

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What is the product?
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Answer:

option C

  15         14

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Step-by-step explanation:

Given in the question a 2x3 and 3x2 matrix

Since, the column of first matrix and row of second matrix is of equal integer, 3, so we can multiply them.

The resultant matrix will be of 2x2

We will use dot product

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-2(2) + 1(3) + 0(4)             -2(-2) + 1(5) + 0(1)  

      15         14

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ivolga24 [154]

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