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Illusion [34]
3 years ago
12

Is 9.99 rational or irrational

Mathematics
1 answer:
aleksley [76]3 years ago
6 0

Answer:

Rational

Step-by-step explanation:

A rational number can be written as a fraction of the form.

\frac{a}{b}  \: where \: b \ne0

and a and b are integers.

9.99 =  \frac{999}{100}

Hence in this case a=999 and b=100.

Since both are integers with b being a non-zero integer, we conclude that 9.99 is a rational number.

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Identify which type of sampling is​ used: random,​ systematic, convenience,​ stratified, or cluster. To determine customer opini
azamat

Answer:

This is cluster sampling.

Step-by-step explanation:

American Airlines randomly selects 110 flights during a certain week and surveys all passengers on the flights.

This is a type of cluster sampling.

This type of sampling is done by dividing the population into different groups and a simple random sample of clusters is selected from the population.

8 0
3 years ago
8(x+2) Evaluate when x=3
Burka [1]

When the value of x is 3, evaluate;

8(x+2)

Substitute for the value of x into the parenthesis;

\begin{gathered} 8(x+2)=8(3+2) \\ 8(x+2)=8(5) \\ 8(x+2)=40 \end{gathered}

ANSWER:

The expression equals 40 (when x = 3)

6 0
10 months ago
Is the fraction 1/3 equivalent to a terminating decimal or a decimal that does not terminate?
bezimeni [28]
It is a decimal that does not terminate. 1/3 is equivalent to .3333333333 and so on. it never ends
4 0
3 years ago
Jacob received a new salary of 45900 this is 8% more of his former salary what is his former salary
Brrunno [24]
$42,500 because 45900 dividede by 1.08 is 42500

4 0
3 years ago
Find the quotients<br><br> Thank you
svlad2 [7]

Answer:

The answer to your question is below

Step-by-step explanation:

5)                                2x² -7x + 34

                       x + 5   2x³ + 3x² - x + 1

                                 -2x³ -10x²

                                   0   - 7x² - x

                                        +7x² +35x

                                           0   +34x + 1

                                                 -34x - 170

                                                    0   - 160

Quotient = 2x² - 7x + 34

Remainder = -160

6)                                       2x² - 3x  + 1

                             3x + 1   6x³ - 7x² + 0x + 2

                                         -6x³ -2x²

                                          0    -9x² + 0x

                                                +9x² +3x

                                                   0   +3x + 2

                                                        - 3x - 1

                                                           0  + 1

Quotient = 2x² - 3x + 1

Remainder = 1

7 0
2 years ago
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