Fractions and Decimals 3420 / 19 = ( ? / 0.01) x 7 9/35 9/45 9/30 9/40 9/35 9/45 9/30 9/40 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let 3420 / 19 = (y / 0.01) x 7Then , y = ( 3420 / 19) x (0.01 / 7) = 180 / 700 = 9/35
Fractions and Decimals Evaluate : [(2.39)² - (1.61)²] / [2.39 - 1.61] 3 4 2 6 3 4 2 6 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Given Expression=(a² - b²) / (a - b)=[(a + b)(a - b)] / (a - b)= (a + b)= (2.39 + 1.61)= 4
Fractions and Decimals (.58 x .58 x .58 - .42 x .42 x .42 - 3 x .58 x .42 x .16) = ? 0.04096 4.096 0.004096 0.4096 0.04096 4.096 0.004096 0.4096 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 Change 75/100 into decimal number. 750 75 0.75 7.5 750 75 0.75 7.5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 75/100 = 0.75
Fractions and Decimals When .36 is written in simplest fractional form, the sum of the numerator and the denominator is : 34 37 29 23 34 37 29 23 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 0.36 = 36 / 100 = 9 / 25. Sum of Numerator and Denominator = 9 + 25 = 34.
Fractions and Decimals If √0.05 x 0.5 x a = 0.5 x 0.05 x √b, then a/b = ? .025 25 .00025 .0025 .025 25 .00025 .0025 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Given expression = √0.5 x .5 x a = .5 x .05 x √ b⇒ √.025 x a = 0.25 x ⇒ b⇒ 0.025a = 0.25 x .025 x b∴ a/b = (.025 x .025) /.025 = .025
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