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Zigmanuir [339]
3 years ago
13

What is the determinant of

Mathematics
2 answers:
arsen [322]3 years ago
6 0

the determinant of [5 6] [1 9] is 39

Free_Kalibri [48]3 years ago
3 0
The determinant of [5 6]
[1 9]


=39
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What is the slope of a line perpendicular to the line whose equation is 2x-y=5 ?
mariarad [96]

Answer:

-1/2

Step-by-step explanation:

the slope of the line 2x-y=5 is 2

a perpendicular line has the negative reciprocal of the slope of the other line

hopefully this helps :)

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Which set of equations is enough information to prove that lines c and d are parallel lines cut by transversal p?
ikadub [295]

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56

Step-by-step explanation:

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Giving brainlist for the correct answer
Reptile [31]

Answer:

NO, YES, YES, NO

Step-by-step explanation:

Subsitute the number they give you and then solve. Finally, see if the equation is true.

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6 0
2 years ago
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Demi’s last 5 bowling scores were 68, 75, 90, 80. What was Femi’s mean score? A.72 B.75 C.77 D.79 D.
-Dominant- [34]

Complete Question:

Femi's last 5 bowling scores were 68, 75, 72, 90, and 80.  What was Femi's mean score?

Answer:

Step-by-step explanation:

Given

Scores: 68, 75, 72, 90, and 80

Required

Determine the mean

The mean (M) of a data is calculated as thus:

M = \frac{\sum x}{n}

Where

n = number of data.

In this case,

n = 5

and

\sum x = sum of data

So, the formula becomes

M = \frac{68 + 75 + 72 + 90 + 80}{5}

M = \frac{385}{5}

M = 77

<em>Hence, the mean is 77</em>

5 0
2 years ago
Hi! Can you please help me and explain?
vazorg [7]

Divide it into 1 rectangle and 3 triangles.

Rectangle : 3 x 8 = 24

Triangle 1: 1/2 x 8 x 2 = 8

Triangle 2: 1/2 x 4x3 = 6

Triangle 3: 1/2 x 4x3= 6

Total area = 24 + 8 + 6 + 6 = 44 square units.

7 0
2 years ago
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