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3 years ago

Evaluate the determinant for the following matrix: 144 522 155 A. 125 B. 200 C. 0 D. –96

Mathematics

1 answer:

babymother [125]3 years ago

4 0

Edit: Answer is 0. If you are still confused, let me know

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(-3 - 5i )(-3 + 5i ) = -16 34 34 - 30

Virty [35]

You can use:

$(a-b)(a+b)=a^2-b^2$

We know:

$i=\sqrt{-1}\to i^2=-1$

Calculate:

$(-3-5i)(-3+5i)=(-3)^2-(5i)^2=9-25i^2=9-25(-1)=9+25=34$

6 0

3 years ago

Whats they answer for they question 10+20

Olegator [25]

Answer:

Step-by-step explanation:

jk it's 19

7 0

3 years ago

Read 2 more answers

Write the first four terms in the multiplication pattern given by the formula 10*5n

lukranit [14]

Thay are:-
10*5^1, 10*5^2 , 10*5^3, 10*5^4

= 50, 250, 1250 and 6250 answer

4 0

4 years ago

How do I explain 1.82 divided by 140.14

denpristay [2]

Answer:

0.012987...(6-digit repeat)

Step-by-step explanation:

You explain it the same way you explain any division of decimal numbers.

The usual procedure is to adjust both numbers so that the divisor is an integer. Here, that is accomplished by multiplying each number by 100. This makes the problem ...

1.82/140.14 = 182/14014

Now, division proceeds in the usual way. The first non-zero quotient digit will appear in the hundredths place. The quotient is a repeating decimal with a 6-digit repeat. You recognize the repeat as soon as you see 182 as a remainder.

<em>Additional comment</em>

The ratio reduces to ...

$\dfrac{1.82}{140.14}=\dfrac{182}{14014}=\dfrac{1}{77}=0.\overline{012987}$

4 0

3 years ago

What would the angle number be

OLga [1]

The number would be 4

5 0

3 years ago