Is 11.5 rational or irrational
2 answers:
Answer:
11.5 is a rational number
Step-by-step explanation:
First let's see the definition of rational and irrational.
Rational number is a number that can be written in the form of , where q≠0.
There rational numbers have the terminating or non terminating decimals with repeating the pattern.
For example:
You can see that 3 is repeating non terminating decimals.
Irrational number is a number with non repeating decimals.
For example:
The given number is 11.5 which is terminating decimal number.
Therefore, 11.5 is a rational number.
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Answer:
Equation is;
q/sin 105 = 15/sin 30
Step-by-step explanation:
We are given;
Angle Q = 105°
Angle S = 30°
s = 15
From sine rule we know that;
a/sin A = b/sin B = c/sin C.
Thus, applying that to this question, we can find side q.
Thus;. q/Sin Q = s/Sin S
Plugging in the relevant values to obtain ;
q/sin 105 = 15/sin 30
