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Allisa [31]
3 years ago
5

Is 0.8 a rationol number

Mathematics
2 answers:
olga55 [171]3 years ago
6 0

Hello.

The answer is: yes

A rational number is any number that can be repesented as a fraction. So every integer is also a rational number (because it can be written as a fraction with the denominator 1)

Have  a nice day

vlabodo [156]3 years ago
4 0
Yes because (i) it’s decimal number with a finite number of decimals and (ii) you can write it as a fraction, see pic.

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Which of the following best describes the term induction?
tatiyna

Answer:

C. Starting with a given set of rules and figuring out what must be  true . TRUE

Step by step explanation:

Mathematical Induction

Mathematical Induction is a mathematical technique which we can use to prove any given mathematical statement, result, theorem or corollary with help of induction.

Here, we assume the statement to be true for a smaller natural number            (Usually 1) and then prove the statement to be true for ANY ARBITRARY NUMBER say k.

Now, from the given options:

A. Writing down the steps to solve a complicated math problem .

FALSE as the induction method is based on ASSUMPTION and INDUCTION.

B. Forming rules based upon observations and experiences .

FALSE as the induction method is based on ASSUMPTION and INDUCTION.  We need to induce the needed  statement or Result.

C. Starting with a given set of rules and figuring out what must be  true .

TRUE as the induction method is based on ASSUMPTION and INDUCTION.

We try and find out  the result with the given existing data.

D. Reducing the solution to a problem in lowest terms.

FALSE as the induction method is based on ASSUMPTION and INDUCTION.  

7 0
3 years ago
Simplify the linear expression. −2x+3(−5x+1) Enter your answer in the box.
valina [46]

Answer:

3/17

Step-by-step explanation:

-2x + 3(-5x + 1)

-2x -15x +3

-17x + 3

17x = 3

x = 3/17

6 0
3 years ago
The sales tax in the town where Amanda lives is 7%. Amanda paid $28 in sales tax on a new stereo. What was the price of the ster
Vinil7 [7]

Answer:

$400

Step-by-step explanation:

Question = 28 dollars = 7% of what?

Formula = 28/7% = ? which is equal to 28/0.07 = 400

400 should be the answer so I hope this helps!

6 0
3 years ago
3 x 7/12 do not simplify pls
Vesna [10]
Hi I am here to help :). I think the answer would be 7/4. Good luck!
3 0
2 years ago
Read 2 more answers
On September 4, Nita Darmati signed a $5,350 promissory note to purchase furniture for her home office. The note had a simple in
snow_lady [41]
The maturity value is the principal value together with interest due.
.. mv = P +Prt
.. = 5350*(1 +0.085*120/360) . . . . . . year is 360 days for "ordinary interest"
.. ≈ 5501.58

The maturity value is $5501.58.
3 0
4 years ago
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