3 years ago

What is the answer to this problem

Mathematics

1 answer:

Nutka1998 [239]3 years ago

8 0

The correct answer is 2

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Please please please help!! i need this asap and i have no where else to go!

nadezda [96]

1   1   1       2
2 -3   1 -11 -2R1 + R2 → R2
-1 2 -1 8 R1 + R3 → R3

1 1 1 2
0 -5 -1   -15    R2 ⇔ R3
0 3 0    10

1 1 1 2
0 3 0     10    -R3
0   -5   -1 -15

1 1 1 2
0 3 0     10    1/3 R2
0    5    1    15

1 1 1 2    -R2 + R1
0 1 0     10/3    -5R2 + R3
0    5    1    15

1 0 1 -4/3
0 1 0     10/3    -R3 + R1
0    0    1     -5/3

1 0 0    1/3
0 1 0     10/3
0    0    1     -5/3

Therefore, x = 1/3, y = 10/3, z = -5/3

7 0

3 years ago

Read 2 more answers

HELP GEOMETRY PLEASE

Alexandra [31]

For each of the problems, twice the angle formed by the chords is equal to half the sum of the angles of the arcs.

So, for the first problem, we have $94 \cdot 2 = x+103$ , so $x = 188 - 103 = 85$ .

For the second, $102 \cdot 2 = x + 118$ , so $x = 204 - 118 = 86$ .

For the last problem, $106 \cdot 2 = x + 88$ , so $x = 212 - 88 = 124$ .

Feel free to comment below if you have any questions!

4 0

2 years ago

If a bracelet takes 5/6 foot of string how much string will it take to make 12 bracelets

const2013 [10]

5/6 x 12

60 / 6 = 10

It takes 10 feet of string to make 12 bracelets.