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3 years ago

1,927 is a ....

Mathematics

2 answers:

Arisa [49]3 years ago

5 0

Answer: Choice D

Natural Numbers, Whole Numbers, Integers, Rational Numbers

Step-by-step explanation:

As a positive whole number, it is a Natural Number.

Integers include all the positive and negative whole numbers, and zero.

It can be written as 1972/1 As such it is a rational number. (irrational are values like pi, √3, ∛4 which cannot be expressed as fractions where the numerator and denominator must be integers.

choli [55]3 years ago

4 0

Your answer is A, since 1,927 is not a fraction or decimal

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Suppose you want to organize a community watch, one from each street. you have 5 volunteers from maple street and 3 volunteers f

Lyrx [107]

There would be 15 different options for the community watch.

One one side there are 5 volunteers and on the other side there are 3 volunteers. You just have to multiply 5 by 3 and you get 15 different options.

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3 years ago

Christine sleep form 11pm until 9am what fraction of a day does Christine sleep

Natalija [7]

10/24 = 5/12 = 2.5/6

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3 years ago

the equation is -2x² = 4-3 (x + 1) and the question is justify that it is a 2nd degree equation with the unknown x complete.

Serggg [28]

Answer:

Please check the explanation.

Step-by-step explanation:

Given the equation

-2x² = 4-3 (x + 1)

-2x² = 4-3x-3

-2x² = -3x -7

0 = 2x² -3x -7

We know that the degree of the equation is the highest power of x variable in the given equation.

In the equation 0 = 2x² -3x -7 the highest power of x variable in the given equation is 2.

Thus, the degree of the equation is 2.

Also in the equation 0 = 2x² -3x -7, the unknown variable is 'x'.

Let us determine the value 'x'

2x² -3x -7 = 0

Add 7 to both sides

$2x^2-3x-7+7=0+7$

$2x^2-3x=7$

Divide both sides by 2

$\frac{2x^2-3x}{2}=\frac{7}{2}$

$x^2-\frac{3x}{2}=\frac{7}{2}$

Add (-3/4)² to both sides

$x^2-\frac{3x}{2}+\left(-\frac{3}{4}\right)^2=\frac{7}{2}+\left(-\frac{3}{4}\right)^2$

$x^2-\frac{3x}{2}+\left(-\frac{3}{4}\right)^2=\frac{65}{16}$

$\left(x-\frac{3}{4}\right)^2=\frac{65}{16}$

$\mathrm{For\:}f^2\left(x\right)=a\mathrm{\:the\:solutions\:are\:}f\left(x\right)=\sqrt{a},\:-\sqrt{a}$

solving

$x-\frac{3}{4}=\sqrt{\frac{65}{16}}$

$x-\frac{3}{4}=\frac{\sqrt{65}}{\sqrt{16}}$

$x-\frac{3}{4}=\frac{\sqrt{65}}{4}$

Add 3/4 to both sides

$x-\frac{3}{4}+\frac{3}{4}=\frac{\sqrt{65}}{4}+\frac{3}{4}$

$x=\frac{\sqrt{65}+3}{4}$

similarly solving

$x-\frac{3}{4}=-\sqrt{\frac{65}{16}}$

$x=\frac{-\sqrt{65}+3}{4}$

So the solution of the equation will have the values of x such as:

$x=\frac{\sqrt{65}+3}{4},\:x=\frac{-\sqrt{65}+3}{4}$

6 0

3 years ago

2 and one fifth is 11% of what number?

adell [148]

The required number of the given question is 20.

Step-by-step explanation:

Given:

2 $\frac{2}{5}$ is 11% of a given number.

To find:

The given number

Let, the number be "x"

According to the problem,

2 $\frac{2}{5}$ = 11% of x

or, 2 $\frac{2}{5}$ = x × $\frac{11}{100}$

or, $\frac{11}{5}$ = $\frac{11x}{100}$

or, 11 ×5x = 100×11 [ by cross multiplication]

or, x = 20

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4 years ago

Read 2 more answers

A landscaper is planting some marigolds in a row. The row is 2 yards long. The flowers must be spaced 1/3 yard apart so that the

vagabundo [1.1K]

Answer:

(0, 1/3, 2/3, 1, 1 1/3, 1 2/3, 2)

Step-by-step explanation:

Given :. Length of row = yards

Spacing = 1/3 yard

Startibg point = 0

0 ;

0+1/3 = 1/3

1/3 + 1/3 = 2/3

2/3 + 1/3 = 2/3 = 1

1 + 1/3 = 1 1/3

1 1/3 + 1/3 = 1 2/3

1 2/3 + 1/3

(0, 1/3, 2/3, 1, 1 1/3, 1 2/3, 2)

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3 years ago