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2 years ago

What is the difference between renewable and non-renewable resources? (Select all that apply).

Mathematics

1 answer:

gtnhenbr [62]2 years ago

4 0

Answer:

non renewable you can't renew what you already bought and renewable you can renew what you bought

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Rewrite 2+(1/b-2) = (3b/b+2) as a proportion. Which of these proportions is equivalent to the original equation?

lorasvet [3.4K]

Answer: c for the first part

1,6 for the second

nether for the third

Step-by-step explanation:

all on edg

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2 years ago

Read 2 more answers

What is the cube root of 1024?

allochka39001 [22]

3√1024<span>= 10.079368399159
That's your answer.

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2 years ago

[10] In the following given system, determine a matrix A and vector b so that the system can be represented as a matrix equation

irina1246 [14]

Answer:

$y=-\frac{158}{579}$

Step-by-step explanation:

To find the matrix A, took all the numeric coefficient of the variables, the first column is for x, the second column for y, the third column for z and the last column for w:

$A=\left[\begin{array}{cccc}1&1&2&2\\-7&-3&5&-8\\4&1&1&1\\3&7&-1&1\end{array}\right]$

And the vector B is formed with the solution of each equation of the system: $b=\left[\begin{array}{c}3\\-3\\6\\1\end{array}\right]$

To apply the Cramer's rule, take the matrix A and replace the column assigned to the variable that you need to solve with the vector b, in this case, that would be the second column. This new matrix is going to be called $A_{2}$ .

$A_{2}=\left[\begin{array}{cccc}1&3&2&2\\-7&-3&5&-8\\4&6&1&1\\3&1&-1&1\end{array}\right]$

The value of y using Cramer's rule is:

$y=\frac{det(A_{2}) }{det(A)}$

Find the value of the determinant of each matrix, and divide:

$y==\frac{\left|\begin{array}{cccc}1&3&2&2\\-7&-3&5&-8\\4&6&1&1\\3&1&-1&1\end{array}\right|}{\left|\begin{array}{cccc}1&1&2&2\\-7&-3&5&-8\\4&1&1&1\\3&7&-1&1\end{array}\right|} =\frac{158}{-579}$

$y=-\frac{158}{579}$

7 0

3 years ago

13. Simplify –3√ 2 + 3√ 8 A. 0 B. 3√ 2 C. 9√ 2 D. –3√ 2

valina [46]

Answer:

B. 3√2.

Step-by-step explanation:

-3√2 + 3√4x2
-3√2 + 6√2
3√2

These are all of the steps to completely, find the correct answer to your question.

Hope this helps!!!

Kyle.

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2 years ago

I)3 by x-1=4 by x+1<br>ii)X by 2-Xby3=2

Lena [83]

Answer:

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2 years ago