exam
Maths Puzzle
Numerical Ability
Simplify;
(27(^-2x) (25^x)^4 (3^6x)^1/2 all over 9^x(625^x-1)^-2
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exam Other Question
Graph the following equations; calculate the slope, x-intercept, and y-intercept, and label the intercepts on the graph.
1)7.1x - 3.9y = 1.4
2)3x = -2
3)4.2x + 3.8
Two jets leave Dallas and fly in opposite directions. One is flying 50 mph faster than the other. After 2 hours they are 2500 miles apart. Find the speed of each jet.