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3 years ago

6

What is the square root of 36

1 answer:

Ainat [17]3 years ago

7 0

Answer:

its 6

Step-by-step explanation:

hope it helps......

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Find the reduced echelon form of [1, 2, 4; 0, 3, 6; 0, 2, 4]

taurus [48]

Answer:

$\begin{pmatrix}1&0&0\\0&3&6\\0&0&0 \end{pmatrix}$

Step-by-step explanation:

Given:

$\begin{pmatrix}1&2&4\\0&3&6\\0&2&4 \end{pmatrix}$

We need to reduce the given matrix to reduced echelon form.

Solution:

Make zeroes in column 1 except the entry at row 1, column 1. As we can see all elements in column are already zero. Make zeroes in column 2 except the entry at row 2, column 2.

$\begin{pmatrix}1&2&4\\0&3&6\\0&2&4 \end{pmatrix}\\R_3\rightarrow R_3-\frac{2}{3}R_2\\\begin{pmatrix}1&2&4\\0&3&6\\0&0&0 \end{pmatrix}\\R_2\rightarrow \frac{R_2}{3}\\\begin{pmatrix}1&2&4\\0&1&2\\0&0&0 \end{pmatrix}\\R_1\rightarrow R_1-2R_2\\\begin{pmatrix}1&0&0\\0&3&6\\0&0&0 \end{pmatrix}\\$

So, $\begin{pmatrix}1&2&4\\0&3&6\\0&2&4 \end{pmatrix}$ in reduce echelon form is $\begin{pmatrix}1&0&0\\0&3&6\\0&0&0 \end{pmatrix}$

8 0

3 years ago

in the adjoining fig ABCD is a square and PQRS is a circle if ab=14cm.find the area of shaded portion

Maslowich

Answer:

Area of shaded proton =42cm²

3 0

2 years ago

Which of the following has no solution?

Anna11 [10]

What kind of homework is this???
acience or math??

5 0

4 years ago

Lara found the volume of a sphere with a diameter of 10.

Paraphin [41]

Answer:

No, she used the diameter instead of the radius measure.

Step-by-step explanation:

we know that

The volume of the sphere is equal to

$V=\frac{4}{3}\pi r^{3}$

we have

$r=10/2=5\ units$ ----> the radius is half the diameter

substitute

$V=\frac{4}{3}\pi (5)^{3}$

$V=\frac{500}{3}\pi\ units^{3}$

3 0

3 years ago

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Mrs. Bailey has a flower garden 56 are pink, and 121 are blue. ½ of the pink flowers are blooming. ⅓ of the blue flowers are blo

Kobotan [32]

Answer:

a

Step-by-step explanation:

5 0

3 years ago

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