A classmate says that 0.285714 repeating is not a rational number because it does not terminate. Explain her error.
2 answers:
A number that is repeated periodically is an irrational number! <span>Error lies in the fact that if we have a decimal value and a string repeat it (at some time) it is an irrational number, that is, it can not be represented as a fraction. It is scientifically proven.</span>
It is a rational number because it can be put into a fraction using ordinary whole numbers.
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Answer:
C
Step-by-step explanation:
2^4 is total possibilities, 2^4 = 16
Correct outcomes HHHH THHH HTHH HHTH HHHT which is 5
The probability of getting tails at most once is 5/16 which is about 0.31
Answer:
Step-by-step explanation:
X + X + 96 = 180 {SUM OF ANGLES OF TRIANGLE}
2X + 96 = 180
2X = 180 -96
2X =84
X = 84/2
X = 42
There are no values of X that equation true .
Answer:
3x + 6 = 2x
Solving for x gives x = -6.
Step-by-step explanation:
Let the number be x, then:
3x + 6 = 2x
3x - 2x = -6
x = -6.
Answer:
Step-by-step explanation:
pythagorean theorum: a^2 + b^2 = c^2
40 x40 = 1600
30 x 30=900
1600+900= 2500
Square root of 2500 =50
