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Morgarella [4.7K]
3 years ago
8

Which set or sets does the number 15 belong to

Mathematics
2 answers:
8_murik_8 [283]3 years ago
4 0
Rational,whole,integer,real
Andrews [41]3 years ago
4 0

The <em>correct answers</em> are:

Real; rational; integer; whole; natural

Explanation:

Real numbers cover most of the numbers we work with; they contain everything except complex (imaginary) numbers.

Rational numbers are any numbers that can be written as a fraction. 15 can be written as 15/1, which is a fraction, so it is a rational number.

Integers include positive and negative numbers, but no decimals or fractions. 15 is a positive number with no decimal, so it is an integer.

Whole numbers are positive numbers from 0 up, with no fractions or decimals. 15 is a positive number with no decimal, so it is a whole number.

Natural (counting) numbers are positive numbers from 1 up, with no fractions or decimals. 15 is a positive number with no decimal, so it is a natural number.

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A bookshelf is 45 inches wide. How many 1 &amp; 1/2 inch wide books will fit on the bookshelf? *
andriy [413]

Answer:

30 books

Step-by-step explanation:

bookshelf is 45 inches

each book is 1 1/2 inches

45 / 1 1/2 = 30

30 books can fit on the shelf

7 0
2 years ago
Why is circle 1 similar to circle 2?
Artemon [7]
Circle 2 is a dial at ion of circle 1
3 0
2 years ago
One stack has 6 cups, and its height is 15 cm. The other one has 12 cups, and its height is 23 cm. How many cups are needed for
Ronch [10]

Answer:

Given

Number of stacks = 2

Stack 1 = 6 cups; h1 = 15cm

Stack 2 = 12 cups; h2 = 23cm

Let's first find the average:

With an average of 4/3, to obtain the number of cups needed to obtain a height of 50m, we have:

50 / (4/3)

= 50 * 3/4

= 150/4

= 37.5

From the answer, we can see that the number of cups is not really proportional to the height of the stack, because the average of stack one and stack 2 are different.

Step-by-step explanation:

7 0
3 years ago
If one gallon of water is approximately 75,000 drops of water, how many gallons is 1 million drops of water
andreev551 [17]
1000000/75000 = 13.33333...
6 0
3 years ago
Read 2 more answers
Which shows the terms of the series? 4 12 48 192 4 12 36 3 12 48 192 3 12 48
Stells [14]

The value of the term in the series will be equal to 3 + 12 +48 + 192 after calculation.

<h3>What is summation?</h3>

In mathematics, the summation is the addition of a sequence of any kind of numbers, called addends or summands.

Now we have a given term

\sum_{n=1}^{4} 3(4)^{n-1}

By solving the above term;

\sum_{n=1}^{4} 3(4)^{n-1}=3(4)^{1-1}+3(4)^{2-1}+3(4)^{3-1}+3(4)^{4-1}

\sum_{n=1}^{4} 3(4)^{n-1}=3(4)^0+3(4)^1+3(4)^2+3(4)^3

\sum_{n=1}^{4} 3(4)^{n-1}=3 + 12 +48 + 192

Hence the value of the term in the series will be equal to 3 + 12 +48 + 192 after calculation.

To know more about Summation follow

brainly.com/question/2767605

5 0
2 years ago
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