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tigry1 [53]
2 years ago
5

PLEASE help me answer this!!!

Mathematics
1 answer:
tia_tia [17]2 years ago
8 0

Check the picture below.

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What is the determinant of m= {5 8 -5 4} ? 20 40 60 80
likoan [24]

Answer:

60

Step-by-step explanation:

We have been given the matrix;

\left[\begin{array}{ccc}5&8\\-5&4\end{array}\right]

For a 2-by-2 matrix, the determinant is calculated as;

( product of elements in the leading diagonal) - (product of elements in the other diagonal)

determinant = ( 5*4) - (8*-5)

                     = 20 - (-40) = 60

3 0
3 years ago
A square window has an area of x2 + 22x + 121 square feet. Find the length of one side of the square.
Aloiza [94]
The answer is A(x+11)
6 0
3 years ago
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Whats the answer for 10x+5>25
jok3333 [9.3K]

Answer:

3 (or x > 2)

Step-by-step explanation:

If your answer is only taking integers, then the first integer that would make this statement true would be 3. If it's for any numerical value, then the inequality would be true for any value above 2.

6 0
2 years ago
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Need help ASAP.<br> 50×50+60-105=?
Mandarinka [93]

Answer:

2,455

Step-by-step explanation:

Use PEMDAS to solve

First multiply 50x50, which is 2,500

50 x 50 + 60 - 105   becomes

2,500 + 60 - 105

Now to the addition or subtraction from left to right

2,560 - 105

  2,455

4 0
3 years ago
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Help me please , I need to turn this in by midnight
meriva

Answer:

Step-by-step explanation:

for IV you do 40^2+30^2=c, or 1600+ 900=c. c= 2500 and unsquare that you get 50

8 0
3 years ago
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