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kotegsom [21]
4 years ago
11

I have this question and I need it done bad... Help please? Picture included I was never taught matrix

Mathematics
1 answer:
____ [38]4 years ago
6 0
Multiply the numbers on the major axis which are 2 and -9 to get -18.  Subtract from that 3*4 = 12.  So -18-12 = -30.  That's the determinant.
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⦁ The following table shows the amount of money his friend Carl earns for different numbers of hours worked.
Vaselesa [24]

Answer:

416 the answer is that I hope it is Right

8 0
3 years ago
Read 2 more answers
Joe says that the following statement is true. Do you agree? Explain. 4×3)3+5-10=4×3+5-10​
Shkiper50 [21]

Answer:

The answer is True.   Hope this helps. :)

Step-by-step explanation:

( 4 x 3 ) 3 + 5 - 10 = 4 x 3 + 5 - 10

  1. (4x3) = 12
  2. 3 + 5 = 8

  1. 4 x 3 = 12
  2. 3 + 5 = 8

This is basically an example of PEMDAS.

Perimeter

Equation

Multiplication

Division

Addition

Subtraction

(Multiplication is ahead of Addition, you multiply first)

4 0
3 years ago
The formula for the density of an object is d = my, where m is the mass and V is the
denis23 [38]

Answer:

V = D/M

Step-by-step explanation:

divide both sides by M to isolate V

6 0
3 years ago
In a company's first year in operation, it made an annual profit of $140,000. The profit of the company increased at a constant
allochka39001 [22]

Answer:

  $8,287,429

Step-by-step explanation:

The total profit will be the sum of a geometric series. The formula for that sum is ...

  Sn = a1 × (r^n -1)/(r -1)

where a1 is the first term, r is the common ratio, and n is the number of terms.

__

Here, the series has first term $140,000, common ratio 1+0.20 = 1.2, and we want the total of 14 terms. The total profit is ...

  S14 = ($140,000) × (1.2^14 -1)/(1.2 -1) ≈ $8,287,429

In the first 14 years of operation, the total profit would be $8,287,429.

7 0
2 years ago
The sum of a rational number and an irrational number is_____number.
hjlf

Answer:

The sum of a rational number and an irrational number is <u>ir</u><u>rational</u> number.

5 0
3 years ago
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