Fractions and Decimals 13.065 x 13.065 - 3.065 x 3.065 =? 1613 1.613 161.3 16.13 1613 1.613 161.3 16.13 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Given expression =(13.065)²-(3.065)² =(13.065 + 3.065) x (13.065 - 3.065)=16.13 x 10 = 161.3
Fractions and Decimals Find the value of 1/3 + 1/15 + 1/35 + 1/63 + 1/99 . 5/11 9/11 10/11 7/11 5/11 9/11 10/11 7/11 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 1/3 + 1/15 + 1/35 + 1/63 + 1/99= [1/3 + 1/15] + 1/35 + 1/63 + 1/99 = [6/15 + 1/35] + 1/63 + 1/99= 45/105 + 1/63 + 1/99 = [3/7 + 1/63] + 1/99= 28/63 + 1/99 = 4/9 + 1/99= 44 + 1/99 = 45/99 = 5/11
Fractions and Decimals ? / .0025 = 800 3 2 4 1 3 2 4 1 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let k / .0025=800 Then, k = 800 x .0025= ( 800 x 25 ) / 10000 = 2
Fractions and Decimals By how much is 12% of 24.2 more than 10% of 14.2 ? 1.284 1.484 1.684 1.884 1.284 1.484 1.684 1.884 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Required difference = (12 x 24.2) / 100 - (10 x 14.2) / 100= 2.904 -1.42 = 1.484
Fractions and Decimals 617 + 6.017 + 0.617 + 6.0017 = ? 629.6357 529.6357 329.6357 429.6357 629.6357 529.6357 329.6357 429.6357 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 617.00 6.017 0.617 + 6.0017 -------- 629.6357 ---------
Fractions and Decimals If 1.5x = 0.04y, then the value of ( (y - x) / (y+x) ) is : 65/67 61/63 73/77 71/74 65/67 61/63 73/77 71/74 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x / y = 0.04 / 1.5 = 4 / 150 = 2 / 75.= > ( (y - x) / (y+x) ) = (1 - (x / y)) / ( 1 + ( x / y)) = (1 - 2/75) / (1 + 2/75) = 73/77.
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