3 years ago

1 please, (Match to the correct term)

Mathematics

1 answer:

morpeh [17]3 years ago

8 0

U did them right but u erased them

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STatiana [176]

Answer: 52

Step-by-step explanation:

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3 years ago

Is 0.71711... a rational number or irrational?

Dima020 [189]

Answer:

it is an irrational number

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Find the dimension of the subspace of all vectors in set of real numbers R Superscript 4 whose first and third entries are equal

USPshnik [31]

Answer with explanation:

Consider a vector having 4 elements

$\left[\begin{array}{cccc}a_{1}&a_{2}&a_{3}&a_{4}\end{array}\right]$

it's first and third elements are equal.

That is,

$a_{1}=a_{4}$

$\left[\begin{array}{cccc}a_{1}&a_{2}&a_{3}&a_{4}\end{array}\right]\\\\R_{1}\rightarrow R_{1}-R_{3} \\\\\text{or}\\\\R_{3}\rightarrow R_{3}-R_{1}\\\\\left[\begin{array}{cccc}0&a_{2}&a_{3}&a_{4}\end{array}\right]\text{or}\left[\begin{array}{cccc}a_{1}&a_{2}&0&a_{4}\end{array}\right]$

So, Dimension of vector=3

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3 years ago

Which of the following is equal to the rational expressions when x=2or1? (X-1)/(x+5)/(x-2)/(x-1)

dezoksy [38]

Answer:

(x-2)/(x-1)

Step-by-step explanation:

(x-2)/(x-1)

4 0

1 year ago

What is the inverse of the function f of x equals 1/9 x + 2

blsea [12.9K]

Converting an equation into inverse function, we need to interchange x with the y.
f(x) = 1/9x + 2
y = 1/9x + 2
Interchange x and y

x = 1/9y + 2
Get the y.

-1/9y = -x + 2
1/9y = x - 2
y = 1/9x - 2/9

So the final answer is
<span>y = 1/9x - 2/9</span>

3 0

3 years ago