Fractions and Decimals 0.8 x ? =0.0004 0.00005 0.0005 0.05 0.005 0.00005 0.0005 0.05 0.005 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let 0.8y = 0.0004Then,y = 0.0004 / 0.8 = 0.004 / 8= .0005
Fractions and Decimals [(3.537 - .948)² + (3.537 + .948)²] / [(3.537)² + (.948)²] = ? 3 2 1 0 3 2 1 0 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 (.58 x .58 x .58 - .42 x .42 x .42 - 3 x .58 x .42 x .16) = ? 4.096 0.04096 0.4096 0.004096 4.096 0.04096 0.4096 0.004096 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Given Expression = (.53)³ - (.42)³- 3 x .58 x .42 x (.58-.42)= a³-b³ -3ab(a - b) = (a - b)³(where a = .58 and b=.42)= (.58 - .42 )³ = .16 x .16 x .16 = 0.004096
Fractions and Decimals 8.32 x 0.999 = ? 8.31168 831.168 8311.68 83.1168 8.31168 831.168 8311.68 83.1168 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 ( 20 + 8 x 0.5 ) / ( 20 - ? ) = 12 14 16 20 18 14 16 20 18 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let (20 + 8 x 0.5) / ( 20 - y) =12Then, 24 =12 x (20 - y)∴ 12y = 216⇒ y = 18
Fractions and Decimals If 1 / 3.718 = .2689, then the value of 1 / .0003718 is ? 26890 2689 268903 268 26890 2689 268903 268 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 1 / .003718 = 10000 / 3.718 = 10000 x ( 1/3.718)= 10000 x .2689 = 2689.
EXAMIANS