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ziro4ka [17]
3 years ago
10

Can you ever use a calculator to determine if a number is rational or irrational

Mathematics
1 answer:
Tcecarenko [31]3 years ago
4 0
By definition and according to Google:

"Irrational numbers<span> cannot be represented as terminating or repeating decimals."

So the answer to your question would have to be 'no' as calculators were designed to give us approximate answers when dealing with irrational numbers.

It would be hard to guess whether a large number produced by a calculator is irrational or not given that fact that many rational numbers can be incredibly long.
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sarah invests £9600 at a simple interest rate of 8% per year. Work out the value of the investment after 3 years
andre [41]

Answer:

the value of the investment after 3 years=  £11,904

Step-by-step explanation:

sarah invests £9600 at a simple interest rate of 8% per year

number of years = 3

Formula for simple interest

I = P*n* r

P is the initial amount invested= 9600

r is the rate of interest = 8% = 0.08

n = number of years = 3

Now we find interest using formula

I = 9600 * 0.08 * 3= 2304

Interest amount is 2,304

Now we add the interest with the initial amount to get the value of investment after 3 years

9600 + 2304= 11904

6 0
3 years ago
-4/4- (-8/4)<br><br> Write answer as a decimal
olga_2 [115]
-4/4 can be reduced to -2.
(-8/4) can be reduced to -1.
What you have to do next is to add -1-(-2).
The final answer is 1.
Hope that helps!!!.
8 0
3 years ago
Help asap please.. Brainliest to correct!
vovikov84 [41]

Answer:

Step-by-step explanation:

  x + 6 I x³ + 2x²  - 10x + 84   I   x² - 4x + 14

              x³ + 6x²

            <u> -     -       </u>

                     -4x² - 10x

                    -4x²  - 24x

                    <u> +       +     </u>

                               14x + 84

                                14x + 84

                               <u> -      -       </u>

                                     0

P(x)  =(x +6)* ( x² - 4x + 14) + 0

5 0
3 years ago
Based on the survey, what is the probability that a person chosen at random is a diabetic patient or an eye patient
KonstantinChe [14]

First, you must find the total number of people. Add together 32, 54, 78, 112, and 96 to get 372. Next, add the number of diabetic patients with the number of patients with eye problems (54 + 112 = 166).

Your fraction is now 116/372. Simplify this to get your answer, 29/93 or 0.31.

6 0
3 years ago
Will give brainliest PLEASE HELP!!! :D
marshall27 [118]

Answer:

a

Step-by-step explanation:

hope this helps

;)

5 0
3 years ago
Read 2 more answers
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