All categories

3 years ago

If 3 · N = 1, then N is the _____.

Mathematics

2 answers:

Svetlanka [38]3 years ago

7 0

Answer:

C. Multiplicative inverse.

Step-by-step explanation:

We have been given an equation $3\cdot N=1$ . We are asked to find the name of N.

We can see that N is multiplied by 3 and the result is 1.

We know that a number is known as multiplicative inverse of another number, when the product of both numbers equal to 1.

Since product of 3 and N is 1, therefore, N is multiplicative inverse for our given equation.

Savatey [412]3 years ago

6 0

ANSWER

Multiplicative Inverse

EXPLANATION

If we multiply any number by its multiplicative inverse, the result is 1.

So for the given equation

$3\times N=1$

$N$ is the multiplicative inverse of $3$ . That is why the result is $1$

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3 years ago

Given that f(x) = 19x2 + 152, solve the equation f(x) = 0

telo118 [61]

Option A

The solution is:

$x = \pm 2i \sqrt{2}$

Solution:

$f(x) = 19x^2+152$

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Let f(x) = 0

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$\mathrm{Subtract\:}152\mathrm{\:from\:both\:sides}\\\\19x^2+152-152=0-152\\\\Simplify\ the\ above\ equation\\\\19x^2 = -152\\\\\mathrm{Divide\:both\:sides\:by\:}19\\\\\frac{19x^2}{19} = \frac{-152}{19}\\\\x^2 = -8$

Take square root on both sides

$x = \pm \sqrt{-8}\\\\x = \pm \sqrt{-1}\sqrt{8}\\\\\mathrm{Apply\:imaginary\:number\:rule}:\quad \sqrt{-1}=i\\\\x = \pm i\sqrt{8}\\\\x = \pm i \sqrt{2 \times 2 \times 2}\\\\x = \pm 2i\sqrt{2}$

Thus the solution is found

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3 years ago

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3 years ago

Read 2 more answers

Mariner Middle School has 550 students the height of each student is measured and recorded at the beginning of the year . A scho

tatiyna

Answer:

C) A histogram because the class organizes the data into different ranges or intervals.

Step-by-step explanation:

A histogram is a graphical representation of numerical data. It is an approximate approach that groups a set of data into ranges on the x axis and having their match frequencies on the y axis.

A histogram makes it possible to represent a large amount of data and frequency in just one graph because of the interval/range option.

Because Mariner Middle school has a large number of students (550) and their height organized into equal intervals, the histogram is the best option.

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3 years ago