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Goshia [24]
2 years ago
8

Help please, very confused

Mathematics
1 answer:
Fynjy0 [20]2 years ago
6 0

57°

Step-by-step explanation:

angle of RAD is the double of RBD

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Strike441 [17]

Answer:

What do you want your answer in? Exact or decimal form?

Exact form: 212/3

Decimal form 70.6

Step-by-step explanation:

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3 years ago
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Angelina_Jolie [31]

Answer:

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Step-by-step explanation:

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4 0
3 years ago
2x + y - z = -8
Andreyy89

Answer:

Multiply row 1 by \frac{1}{2}.

Step-by-step explanation:

The augmented matrix of the system of linear equation is described below:

\left[\begin{array}{cccc}2&1&-1&-8\\0&2&3&-6\\-\frac{1}{2} &1&1&-4\end{array}\right]

Where a_{11} = 2, if we need to create a_{11} = 1, we need to multiply row 1 by \frac{1}{2}, that is to say:

\left[\begin{array}{cccc}1&\frac{1}{2} &-\frac{1}{2} &-4\\0&2&3&-6\\-\frac{1}{2} &1&1&-4\end{array}\right]

Hence, the correct answer is: Multiply row 1 by \frac{1}{2}.

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The most probable answer if you pull one out would be you pull a green marble.
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