Fractions and Decimals [(3.537 - .948)² + (3.537 + .948)²] / [(3.537)² + (.948)²] = ? 1 2 0 3 1 2 0 3 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Given expression = [(3.537 - .948)² + (3.537 + .948)²] / [(3.537)² + (.948)²] = [(a - b)² + (a + b)²] / (a²+ b²) (Where a = 3.537 and b = 0.948)= 2(a² +b²) / (a² +b²) = 2
Fractions and Decimals ( .803 x .647 + .803 x .353 ) = ? 8.03 .803 80.3 803 8.03 .803 80.3 803 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Given Expression = ( .803 x .647 + .803 x .353 )= 803 x (.647 + .353)= .803 x 1 = .803
Fractions and Decimals 0.8 x ? =0.0004 0.0005 0.05 0.005 0.00005 0.0005 0.05 0.005 0.00005 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let 0.8y = 0.0004Then,y = 0.0004 / 0.8 = 0.004 / 8= .0005
Fractions and Decimals What will be the vulgar fraction of 0.75 ? 2 1/4 1 3/4 2 1/4 1 3/4 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 0.75 = 75/100 = 3/4
Fractions and Decimals 0.15 / (0.5 / 15) = ? 40.5 None of these 4.5 400.5 40.5 None of these 4.5 400.5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let Y = 0.15 / (0.5 / 15) = (15/100) / [(5/100) / 15) = 4.5
Fractions and Decimals (1.04 x 1.04 + 1.04 x 0.04 + 0.04 x 0.04) / (1.04 x 1.04 x 1.04 - 0.04 x 0.04 x 0.04) = ? 2 0 3 1 2 0 3 1 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Given Expression = (1.04)² + 1.04 x 0.04 + (0.04)² / (1.04)³ - (0.04)³= (a² + ab + b²) / (a³ - b³) = (a² + ab + b²) / [(a-b) (a² + ab + b²)]= 1 / (a - b)= 1/ (1.04 - 0.04) = 1
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