3.5 belongs to which number sets

Answers

Answer 1
Answer:

3.5 belongs to Rational number sets mainly and also belongs to Real Numbers.

Step-by-step explanation:

Number Sets are nothing but group of number classified into groups.

They are Natural, Whole, Integers, Rational, Irrational and Real numbers.

Natural number set = {1,2,3...},

Whole number set= {0,1,2,3...},

Integers = { ....-2, -1, 0, 1, 2, ....},

Rational numbers = { Integers, Decimals, Fractions},

Irrational numbers = { non fractional numbers eg: π,√(2) etc.}

Real = { Natural, Whole, Integers, Rational, Irrational }.

Any number which is a fraction resulting in a decimal value is Rational Number sets.

3.5 is a decimal number so it can be Rational Number sets also Real Number sets.


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What is a 5% increase from $79?

Answers

We can use the rule of three to figure out what's 5% of 79:

100/79=5/x

x= (79*5/100)=3.95
Let's add said 5% to 79:
79+3.95=82.95

a restaurant has 60 plates one night, 9 groups of 6 people ate dinner at the same restaurant at the same time. how many plates were not used?

Answers

Plates used = 54
Plates not used = 6

Final answer:

The solution to the problem is obtained by multiplying the number of groups by people per group to calculate used plates, then subtracting this result from the total number of plates to get the unused plates. The answer is 6.

Explanation:

The problem you're dealing with is part of the arithmetic subject in mathematics. The question wants to know the amount of unused plates in a restaurant under certain conditions. You need to multiply the number of groups (9) by the number of people per group (6) to estimate the amount of plates used. So, 9 groups * 6 plates = 54 plates. This is how many plates got used. You then subtract this from the total plates available (60). Therefore, 60 total plates - 54 used plates = 6 unused plates.

Learn more about Arithmetic here:

brainly.com/question/32830972

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in a recent year one United States dollar was equal to about 82 Japanese yen how many Japanese yen are equal to $1,00 $1,000 $10,000

Answers

In a recent year, one United States dollar was equal to about 82 Japanese. How many Japanese yen are equal $100?$1,000?$10,000 
Given is: 

1 USD = 82 Japanese Yen   

Conversion: 

1.  100 USD x 82 JY / 1 USD = 8, 200 Japanese Yen
 
2.  1000 USD x 82 JY / 1 USD = 82, 000 Japanese Yen
 
3.  10, 000 USD x 82 JY / 1 USD = 820, 000 Japanese Yen
 

Three terms of an arithmetic sequence are shown below. Which recursive formula defines the sequence? f(1) = 6, f(4) = 12, f(7) = 18

Answers

Answer:

The recursive formula defines the sequence is f(n)=f(n-1)+2.

Step-by-step explanation:

Three terms of an arithmetic sequence are

f(1) = 6

f(4) = 12

f(7) = 18

It means first term is 6, fourth term is 12 and seventh term is 18.

The formula for nth term of an arithmetic sequence is

a_n=a+(n-1)d

where n is number of term, a is first term and d is common difference.

4th term of the AP is

a_n=6+(4-1)d

12=6+3d                  [\because a_4=f(4)=12]

Subtract 6 from both sides.

12-6=3d

6=3d

Divide both sides by 3.

2=d

The common difference is 2.

The recursive formula for an AP is

a_n=a_(n-1)+d

Substitute d=2 in the above equation.

a_n=a_(n-1)+2

It can be written as

f(n)=f(n-1)+2

Therefore the recursive formula defines the sequence is f(n)=f(n-1)+2.

f(n) = 2(n+2)

can also be written as
f(n) = 2n + 4

The table shows values for points on the graph of a linear function. x −2 1 2 4 y 13 1 −3 −11 What is the slope of the graph of this linear function?

Answers

You can find the slope of a linear function by taking two points and finding the change in y over change in x.

Hm, but the values you gave for the tables don't make sense for a linear function/relationship. But let's just pick two points as an example.

So two points you can pick are (-2, 13) and (1, -3).
The slope, change in y over change in x is in other words (y2 - y1 / x2 - x1), where (x1, y1) is one point and (x2, y2) is another.

(-3 - 13) / (1 - -2) = -16/3 = -(16/3)

Or you could have switched up the order of those coordinates but you still get the same answer.
(13 - -3) / (-2 - 1) = 16 / (-3) = -(16/3)

HURRY!! WILL MARK BRAINLIEST!! In which of the number line does the plotted point represent a number greater than -1^1/2?? check all that apply HURRY!!cash app you 15 bucks as well ​

Answers

Answer:

2, the second number line.

Step-by-step explanation:

-1 x 1/2 = -0.5