Fractions and Decimals [(0.87)³ + (0.13)³] / [(0.87)² - 0.87 x 0.13 + (0.13)²] = ? 1 3 2 4 1 3 2 4 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Given Expression = ( a³ + b³ )/ (a² + b² - ab) where = 0.87 and b = 0.13= [(a + b ) (a² + b² - ab)] / (a² + b² - ab) = a + b = 0.87 + 0.13= 1
Fractions and Decimals The greatest fraction out of 2/5, 5/6, 11/12 and 7/8 is ? 2/5 7/8 5/6 11/12 2/5 7/8 5/6 11/12 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 2/5 = 0.4 , 5/6 = 0.833, 11/12 = 0.916 and 7/8 = 0.875Clearly, the greatest fraction is 0.916, i, e . 11/12.
Fractions and Decimals [12 / (0.09 of 0.3)] x 2=? 8000/9 800/90 800/9 8000/90 8000/9 800/90 800/9 8000/90 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Given expression = ( 12/ 0.027) x 2= ( 12 / 0.027) x 2 = 24000/27 = 8000/9
Fractions and Decimals The number 0.127 is how much greater than 1/8 ? 1/300 1/800 1/500 1/1000 1/300 1/800 1/500 1/1000 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 0.127 expressed as a fraction = 127/10001/8 can also be expressed as (1 x 125) / (8 x 125) = 125/1000The difference is 2/1000, which is 1/500
Fractions and Decimals (0.16)² - (0.12)² = ? 1.12 11.2 0.0112 .112 1.12 11.2 0.0112 .112 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = a² - b² = (a + b)(a - b)Hence, (0.16)² - (0.12)²= (0.16 + 0.12)(0.16 - 0.12)= 0.28 x 0.04 = 0.0112
Fractions and Decimals When .36 is written in simplest fractional form, the sum of the numerator and the denominator is : 29 23 34 37 29 23 34 37 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 0.36 = 36 / 100 = 9 / 25. Sum of Numerator and Denominator = 9 + 25 = 34.
EXAMIANS