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ziro4ka [17]
3 years ago
5

How to work it and solve the problem

Mathematics
1 answer:
jeka943 years ago
8 0
It's quite difficult, almost impossible to write all steps to solve a 3x3 matrix.

However, I will give you te answer that is determinant (Matrix)=54

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Need some help!<br> please be specific on how to do it
Katyanochek1 [597]

Answer:

Your first step in solving the system would be to substitute the value of a variable into one of the equations

Step-by-step explanation:

We know that x = 2y + 2 and y = -1/3x + 4, so we could insert one of these values as the variable in one of the equations

If we were to insert -1/3x + 4 for y, our new equation would be:

x = 2(-1/3x + 4) + 2 (as you can see, the value of y was inserted into the equation)

4 0
2 years ago
Colin and Brian were playing darts. Colin scored 141. Brian scored 154 more than Colin. What was their combined score?
Aliun [14]

Answer:436

Step-by-step explanation:

Since Colin scored 141 and Brian scored 154 more than Colin that would be (154+141). So Brian scored 295, so you add Brian's score and Colin's so 295+141, the total score is 436

3 0
3 years ago
What’s the answer? Please help
blsea [12.9K]

Answer:

B

Step-by-step explanation:

Since you are trying to find out half the number of students in a PE class, dividing would be most appropriate since you would be trying to find half.

4 0
3 years ago
Which lines are perpendicular to the line y - 1 = 1/3 (x+2)? Check all that apply.
ioda

Answer: Options 1, 3, 5

Step-by-step explanation:

Perpendicular lines have slopes that are negative reciprocals, so since the slope of the given line is 1/3, we need to find lines with a slope of -3.

  • Option 1 has a slope of -3.
  • Option 2 has a slope of 3.
  • Option 3 has a slope of -3.
  • Option 4 has a slope of 1/3.
  • If we subtract 3x from both sides, we get y=-3x+7, so option 5 has a slope of -3.
7 0
2 years ago
If your pencils is 20 centimeters long how many millimeters is it
Alex Ar [27]
HI


the answer is 200 millimeters

<333
4 0
3 years ago
Read 2 more answers
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