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Korolek [52]
3 years ago
5

Solve the following system of equation using gaussionelimination methodx + 3y - 2z= 0​

Mathematics
1 answer:
Elenna [48]3 years ago
8 0

Answer:

(−3y+2z,y,z)

Step-by-step explanation:

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Please do 3 & 4 and show work
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Answer:

3. A=B=70°; C=D=110°

4. A=90°; C=48°

Step-by-step explanation:

Same-side angles of a trapezoid add to 180°.

___

3. (2x) +(x+15) = 180

3x + 15 = 180 . . . . simplify

x +5 = 60 . . . . . . . divide by 3

x = 55

A=B=(x+15)° = (55+15)° = 70°

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3 years ago
The local newspaper has letters to the editor from 70 people. If this number represents 5% of all of the​ newspaper's readers, h
Alex Ar [27]

Answer:

This shows us that there are 1400 readers.

Step-by-step explanation:

To work this out you would first need to find how many times 5% goes into 100%, You can do this by dividing 100 by 5, this gives you 20. This is because the whole amount  is equivalent to 100%.

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convert the feet to inches

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3 years ago
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