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nasty-shy [4]
4 years ago
6

Which number produces a rational number when added to 0.53?

Mathematics
2 answers:
irga5000 [103]4 years ago
7 0

Answer:

D produces a rational number

Step-by-step explanation:

Given: A rational number 0.53

To find : which number produces a rational number when added to 0.53

Solution : Now, we add each number one by one

Sum of any rational number with irrational number is always a irrational number

A. \pi irrational number

\pi+0.53 =3.671393....= irrational number

B. \sqrt{5} irrational number

\sqrt{5}+0.53=2.766...... = irrational number

C. 0.2645751311...... irrational number

0.2645751311......+0.53 =irrational number

D. 5/7 rational number

5/7+0.53=0.71428571428571+0.53 =1.2442857142857142857142857...= rational number  

as repeating numbers are also a rational number

Therefore, A,B,C are irrational number

and D is a rational number



77julia77 [94]4 years ago
3 0
The last one D because it is rational
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3 0
3 years ago
Quick algebra 1 question for 10 points!
Maslowich

The range of the <em>quadratic</em> function y = (2 / 3) · x² - 6 is {- 6, 0, 18, 48}.

<h3>What is the range of a quadratic equation?</h3>

In this case we have a <em>quadratic</em> equation whose domain is stated. The domain of a function is the set of x-values associated to only an element of the range of the function, that is, the set of y-values of the function. We proceed to evaluate the function at each element of the domain and check if the results are in the choices available.

x = - 9

y = (2 / 3) · (- 9)² - 6

y = 48

x = - 6

y = (2 / 3) · (- 6)² - 6

y = 18

x = - 3

y = (2 / 3) · (- 3)² - 6

y = 0

x = 0

y = (2 / 3) · 0² - 6

y = - 6

x = 3

y = (2 / 3) · 3² - 6

y = 0

x = 6

y = (2 / 3) · 6² - 6

y = 18

x = 9

y = (2 / 3) · 9² - 6

y = 48

The range of the <em>quadratic</em> function y = (2 / 3) · x² - 6 is {- 6, 0, 18, 48}.

To learn more on functions: brainly.com/question/12431044

#SPJ1

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