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3 years ago

Every natural number is a whole number true or false

Mathematics

2 answers:

Papessa [141]3 years ago

7 0

That answer is true.....

bija089 [108]3 years ago

5 0

Answer:

true

Step-by-step explanation:

it is what it is

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Which relationship is a direct variation?

Setler79 [48]

Option A is the relationship which shows a direct variation.

Step-by-step explanation:

The direct variation is a relationship between two variables in which one is the multiple of the other. It is given by the relation

$\frac{y}{x}=k$

Option A:

For $x=2$ and $y=1$ ,

$\frac{y}{x}=\frac{1}{2}$

For $x=4$ and $y=2$ ,

$\frac{y}{x}=\frac{2}{4}= \frac{1}{2}$

Since, the constant k is equal for all the values of x and y in the table, this relationship is a direct variation.

Option B:

For $x=2$ and $y=4$ ,

$\frac{y}{x}=\frac{4}{2}= 2$

For $x=4$ and $y=16$ ,

$\frac{y}{x}=\frac{16}{4} =4$

Since, the values of constant k is not equal for all the values of x and y in the table, this relationship is not a direct variation.

Option C:

For $x=1$ and $y=3$

$\frac{y}{x} =\frac{3}{1} =3$

For $x=2$ and $y=5$

$\frac{y}{x} =\frac{5}{2}$

Since, the values of constant k is not equal for all the values of x and y in the table, this relationship is not a direct variation.

Option D:

For $x=1$ and $y=-1$

$\frac{y}{x} =\frac{-1}{1} =-1$

For $x=2$ and $y=2$

$\frac{y}{x} =\frac{2}{2} =1$

Since, the values of constant k is not equal for all the values of x and y in the table, this relationship is not a direct variation.

Thus, Option A is the relationship which shows direct variation.

7 0

4 years ago

M plain candies come in various colors. According to the MM/Mars Department of Consumer Affairs, the distribution of colors for

ioda

Given that the distribution of colors for plain MM andies is as follows:

<span>Colors - Purple Yellow Red Orange Green Blue Brown
Percentage - 20% 20% 20% 10% 10% 10% 10%

Suppose one candy is taken at random from a large bag of plain MM candies, the probability that the candy is purple of orange is given by:

P(purple candy or orange candy) = P(purple candy) + P(orange candy) = 20% + 10% = 30%
</span>

4 0

4 years ago

1. −2x + 6 = -16<br> 2. -10 + 5x = -45<br> Can you help me?

torisob [31]

I just know that 2 is X = 6

8 0

3 years ago

Read 2 more answers

What mathematicians helped to discover alternatives to euclidean geometry in the nineteenth century

Likurg_2 [28]

Answer:

Nikolai Lobachevsky and Bernhard Riemann

Step-by-step explanation:

Nikolai Lobachevsky (A russian mathematician born in 1792) and Bernhard Riemann (A german mathematician born in 1826) are the mathematicians that helped to discover alternatives to euclidean geometry in the nineteenth century.

7 0

4 years ago

There were 400 lb of coal at a factory. Every day, 50 pounds were used. Express by a formula the dependence of the quantity of c

Arturiano [62]

T=p divided by 50 or 8 days 400/50= 8

6 0

3 years ago

Every natural number is a whole number true or false​

Every natural number is a whole number true or false