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Cerrena [4.2K]
3 years ago
7

.......................

Mathematics
1 answer:
Minchanka [31]3 years ago
8 0

Answer:

46

Step-by-step explanation:

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Harlp needed ok thanks dudes
Ivanshal [37]

Solution:

<u>A few definitions...</u>

  • Rational number - Any integer, fraction, terminating decimal, or repeating decimal is classified as a rational number
  • Irrational number - All the real numbers which are not rational numbers.

<u>Option A - Rational or Irrational?</u>

  • 1/2 + 1/3

Since both are known as fractions, they are rational numbers.

<u>Option B - Rational or Irrational?</u>

  • √2 + 5/2

√2 is classified as an Irrational number because if it is simplified, it does not result in any integer, fraction, terminating decimal, or repeating decimal.

<u>Option C - Rational or Irrational?</u>

  • 1/√4 + 7/2
  • => 1/2 + 7/2
  • => 8/2 = 4

Since this is an integer, this is rational.

<u>Option D - Rational or Irrational?</u>

  • √9 + √4
  • => √3 x 3 + √2 x 2
  • => 3 + 2 = 5

Since this is an integer, this is rational.

In conclusion...

Option B is correct.

8 0
2 years ago
Find the nonpermissable replacement for the variable in this expression 3x over 5x+2
kotegsom [21]
5x + 2 is a denominator.
A denominator cannot equal zero since division by zero is undefined.
Set the denominator equal to zero and solve for x to find which value of x makes the denominator zero.

5x + 2 = 0

5x = -2

x = -2/5

The non-permissible replacement for the variable is -2/5.
5 0
4 years ago
What situation could be modeled with the equation of 40 devided by 8 equals 5
Irina-Kira [14]

Answer:

Go to explanation

Step-by-step explanation:

You can say: At your birthday party, you have 7 friends who were there with you. There are 40 cookies to be shared with all of you, and you want it to be split equally. How many cookies does each person get?

6 0
3 years ago
For which pair of points can you use this number line to find the distance? (0, 3) and (3, 0) (1, 0) and (–1, 3) (2, 0) and (2,
aliya0001 [1]

Answer:

D (-1,0) and (-1,3)Step-by-step explanation:see attach. ... For which pair of points can you use this number line to find the distance?

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Raymond used 36 cubes to build the first layer of a rectangular prism. The edge length of each cube was 1 inch. The finished pri
zhuklara [117]

Answer:

Volume = 288in^3

Step-by-step explanation:

Given

Base\ Cubes = 36

Layers = 8

Required

The volume of the prism

The number of base cubes represents the base area and the number of layers represents the height of the prism.

So, the volume is calculated as:

Volume = Base\ Cubes * Layers i.e Base Area * Heights

Volume = 36 * 8

Volume = 36in^2 * 8in

Volume = 288in^3

6 0
3 years ago
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