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Semenov [28]
3 years ago
7

Evaluate the determinant for the following matrix: Please help !!!

Mathematics
1 answer:
Step2247 [10]3 years ago
5 0
The answer would be A
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So I need help pls show ur work
Ad libitum [116K]

Answer:

x = – ⅓

Step-by-step explanation:

The solution to the expression can be obtained as follow:

–3.1x + 7 – 7.4x = 1.5x – 6(x – 3/2)

Clear bracket

–3.1x + 7 – 7.4x = 1.5x – 6x + 9

–3.1x – 7.4x + 7 = –4.5x + 9

–10.5x + 7 = –4.5x + 9

Collect like terms

–10.5x + 4.5x = 9 – 7

–6x = 2

Divide both side by –6

x = 2 / –6

x = – ⅓

Thus, the solution to the equation is –⅓

7 0
3 years ago
What is 4/20 simplified
frozen [14]
4/20 simplified would be 1/5. You must know what simplify means first. It means to break down a fraction to its simplest form. So, to simplify 4/20, you must divide 4 from the denominator and numerator. A numerator is a number that is the number above the line. A denominator is the number on the bottom of the line. 
Dividing 4 from the denominator and numerator would make it 1/5. Therefore, the answer in simplest form is 1/5. Good luck!
6 0
3 years ago
Read 2 more answers
Please i need help asap
svetlana [45]

Answer:

She spaced them out one block more on each side. She needs to move<em> </em><em>B</em><em> </em>one more block closer to make this illustration genuine:

<em>B</em>(4)

I am joyous to assist you anytime.

5 0
3 years ago
At 8:00, the temperature was -6°. Three hours later, the temperature dropped 13°. What is the temperature at 11:00?
AysviL [449]

Answer:

-19 degrees

Step-by-step explanation:

13+6=19

you would need to add the negative since it said dropped in temperature and the temperature was already negative.

3 0
3 years ago
Find the range of the data set 247, 366, 785, 997
nasty-shy [4]
Range is the difference between the lowest and highest values. 
997- 247= 750
8 0
4 years ago
Read 2 more answers
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