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alexira [117]
3 years ago
12

Identify the number that does not belong with the other three. Explain your reasoning. negative 10 over 2, negative 13.4, square

root 18, 22.7 repeating 7
Mathematics
2 answers:
11111nata11111 [884]3 years ago
8 0
Sqrt 18 I believe :)
Anna35 [415]3 years ago
3 0

Answer: √18

Step-by-step explanation:

The numbers in the list are:

-10/2  

-13.4

√18

22.777....

First, let's define two groups:

Rational numbers: Are those with a finite number of decimals after the decimal point, or with a pattern that repeats infinitely after the decimal point (like in the 22.77... with the 7 repeatings)

These types of numbers can be written as the quotient of two integer numbers.

Irrational numbers: Have infinite decimals after the decimal point and there is no pattern at all, they can not be written as the quotient between two integer numbers. Square roots of numbers that are not perfect squares (the solution is an integer) are irrational numbers.

Here, with that definition, we can see that: -10/2, -13.4 and 22.77...

are rational numbers, now let's see √18

We know that 4*4 = 16, and 5*5 = 25

so there are no integer X such x*x = 18

Then √18 is an irrational number and is the one that does not belong in the list.

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4x=x+18 solve for x
Flura [38]

Answer:

X = 6

Step-by-step explanation:

Subtract 1 x from both sides so the equation will be 3x = 18.  Then divide 3x by 3 and 18 by 3 to get 6

8 0
3 years ago
Read 2 more answers
Find the 100th term for the sequence. -9,-4, 1, 6, 11, .......
Paraphin [41]

Answer:

486

Step-by-step explanation:

for the 2nd term, add 5 to -9

for the 3rd, add 5 × 2 to -9

for the 4th, add 5 × 3 to -9

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for the 100th, add 5 × (100 - 1) to -9

=> 5 × 99 + (-9)

=> 486

8 0
2 years ago
A continuous random variable may assume :
vova2212 [387]

Answer:

Option A) any numerical value in an interval or collection of intervals

Step-by-step explanation:

Continuous Random Variable:

  • A continuous random variable can take any value within an interval.
  • Thus, it can take infinite values since there are infinite numbers in an interval.
  • A continuous variable is a variable whose value is obtained by measuring.
  • Examples: height of students in class , weight of students in class, time it takes to get to school, distance traveled between classes.
  • Thus, the correct meaning of continuous random variable is explained by Option A)

Option A) any numerical value in an interval or collection of intervals

6 0
3 years ago
Jessica grows two types of tomato plants in her garden. For each type, she records the heights, in inches, of five plants.
Artyom0805 [142]
The answer is D 
Type 1 Type 2 plants have somewhat similar height distributions 
5 0
2 years ago
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What is the length of the hypotenuse?
gayaneshka [121]

Answer:

Hello! answer: 5

Step-by-step explanation:

What you do to find the answer for these is do a^2+b^2=c^2 Basically meaning 4 × 4 + 3 × 3 will equal a number that you then find the suare root of square root just meaning a number multiplied by itself to equals that number so...

4 × 4 = 16

3 × 3 = 9

16 + 9 = 25

√25 = 5

5 × 5 = 25 therefore c = 5 hope that helps!

5 0
3 years ago
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