Fractions and Decimals (.125 + .027) / (.5 x .5 - 1.5 + .09) = ? 0.8 80 800 8 0.8 80 800 8 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Given expression = [(0.5)³ + (0.3)³] / [(0.5)² - 0.5 x 0.3 + (0.3)²]= [a³ + b³] / [a² - ab + b²]=[(a + b)(a² - ab + b²)]/ [a² -ab + b²]= a+b = 0.5 + 0.3 = 0.8
Fractions and Decimals [(0.87)³ + (0.13)³] / [(0.87)² - 0.87 x 0.13 + (0.13)²] = ? 1 3 4 2 1 3 4 2 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 16.001 x 11.999 x 99.989 x 0.9 = ? 19347 18764 20924 17280 19347 18764 20924 17280 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 16 x 12 x 100 x 0.9 ? = 17280
Fractions and Decimals 6 x 0.6 x 0.06 x 0.006 x 60 = ? 0.07776 0.7776 7.776 77.76 0.07776 0.7776 7.776 77.76 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 6 x 6/10 x 6/100 x 6/1000 x 60 = 77760/1000000 = 7776/100000 = 0.07776
Fractions and Decimals 8.32 x 0.999 = ? 83.1168 8311.68 831.168 8.31168 83.1168 8311.68 831.168 8.31168 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Given expression = 8.32 x 0.999= 8.32 x (1-0.001) = 8.32 - 8.32 x 0.001=8.32 - .00832 = 8.31168
Fractions and Decimals 3889 + 12.952 - ? = 3854.002 4.795 4795 47.95 479.5 4.795 4795 47.95 479.5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let 3889 + 12.952 - x = 3854.002.Then x = (3889 + 12.952) - 3854.002 = 3901.952 - 3854.002 = 47.95.
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