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daser333 [38]
3 years ago
9

I NEED IT FASSSTTTTTT

Mathematics
2 answers:
Anit [1.1K]3 years ago
7 0

Answer:

1/3 & option 1

Step-by-step explanation:

24) you are given the angle of red, and a circle is 360 degrees in all so:

red/full circle = 120/360 = 1/3

8) option 1 = a^2 + b^2 = c^2

Nezavi [6.7K]3 years ago
6 0

Answer:

24)1/3

8)option 1

Step-by-step explanation:

1○=360°

120°/360°=1/3

a2+b2+=c2

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Answer:

The solutions for the given system of equations are:

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Step-by-step explanation:

Given the equation system:

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We obtain the following matrix:

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<u>Step 2:</u> Sum the first row and the second row.

\left[\begin{array}{cccc}1&\frac{1}{3} &\frac{4}{3}&-1\\0&\frac{4}{3} &\frac{16}{3}&16\end{array}\right]

<u>Step 3:</u> Multiply the second row by 3/4.

\left[\begin{array}{cccc}1&\frac{1}{3} &\frac{4}{3}&-1\\0&1 &4&12\end{array}\right]

<u>Step 4:</u> Multiply the second row by -1/3 and sum the the first row.

\left[\begin{array}{cccc}1&0 &0&-5\\0&1 &4&12\end{array}\right]

The result of the reduced matrix is:

\left \{ {{x=-5} \atop {y+4z=12}} \right.

This is equal to:

\left \{ {{x=-5} \atop {y=12-4z}} \right.

These are the solutions for the system of equations in terms of z, where z can be any number.

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