3 years ago

Show that the number is rational by writing it as a quotient of two integers--- the number is 1.

Mathematics

1 answer:

wariber [46]3 years ago

8 0

1 is equal to 1 divided by 1.

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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 $\frac{1}{2}$ .

5 0

3 years ago

Find the surface area of the pyramid.

Sphinxa [80]

SA= a+1/2(p)(h)

SA= 18+1/2( 18)(5.2)

SA= 18+46.8

SA=64.8

4 0

3 years ago

Ratio 7:5 end them Page : Date: 6) I If a pair F the supplementary are

elena-14-01-66 [18.8K]

Answer:

7:6

Step-by-step explanation:

yan ng sagot dont forget to heart

3 0

3 years ago

What is the reciprocal of ?8/5

hodyreva [135]

The reciprocal is C. 5/8

Hope this helps:)

5 0

4 years ago

Read 2 more answers

2(3u+8)=40 two times three u plus eight equals forty

densk [106]

Answer:

Given,

2(3u+8)=40

(3u + 8)= 40/2

3u +8= 20

3u = 20-8

u =12/3

u=4

Value of u is 4

5 0

3 years ago