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slavikrds [6]
2 years ago
9

What is it’s determinant? Does the determinant depend on the variables? Make a conjecture.

Mathematics
2 answers:
Marianna [84]2 years ago
7 0

Answer: The determinant is 8. The determinant does not depend on the variables in the matrix. When there are zeros below the main diagonal, the determinant is the product of the diagonal.

Step-by-step explanation:

ololo11 [35]2 years ago
6 0

Answer:

det = 8

Step-by-step explanation:

1(8 - 0) - x(0 - 0) + y(0 - 0)

= 8

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An equilateral triangle has a semiperimeter of 6 meters.
guapka [62]

Answer:

7

Step-by-step explanation:

An equilateral triangle has a semiperimeter of 6 meters.

Heron’s formula: Area = StartRoot s (s minus a) (s minus b) (s minus c) EndRoot

An equilateral triangle has a semiperimeter of 6 meters. What is the area of the triangle? Round to the nearest square meter.

2 square meters

7 square meters

20 square meters

78 square meters

7 0
2 years ago
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If you know that a < b, and both a and b are positive numbers, then what must be true about the relationship between the oppo
Ymorist [56]

Answer:

The number further left on a number line is the smaller number. For positive numbers, the number closest to zero is smaller. For negative numbers, the number closest to zero is larger. If a is less than b, and they are both positive, then a is closer to 0 than b. The opposite of a is also closer to zero than the opposite of b, so the opposite of a must be larger than the opposite of b.

Step-by-step explanation:

6 0
2 years ago
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Find x in the given figure if m∠AOC = 124°.
Nastasia [14]

Answer:

A) 8

Step-by-step explanation:

Add angles AOB and BOC to get angle AOC.

Since we know the value of AOC is 124 and AOB+BOC=AO

Then (8x+25)+(6x-13)=124.

Combine like terms to get 14x+12= 124.

Solve for x by subtracting 12 from 124, then divide the answer by 14.

3 0
2 years ago
P Josh wants to determine the number of loaves of bread he can bake using the 13 and one-third cups of flour he has. If each loa
ruslelena [56]

Answer:

the 13 and one-third cups of flour he has. If each loaf requires 3 and four-fifths cups of flour, how many loaves can Josh bake?

3 loaves of bread

4 loaves of bread

50 loaves of bread

51 loaves of bread

Step-by-step explanation:

4 0
2 years ago
Please help me with this question #8
MA_775_DIABLO [31]
Think of sqrt(2) as a variable.

3x - x = 2x

If x = sqrt(2), then answer is 2sqrt(2)
6 0
1 year ago
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