exam Maths Puzzle Numerical Ability

Use a graphing calculator to approximate the solutions of the equation in the interval )<_ X < 2(3.14). The equation is: 3 sin x + 5 cos x = 4

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a plane is flying from NYC to SF. It normally flies 300 mph. there is 30 mph wind heading west to east. How long does it take to fly 200 miles to SF and how long does it take to fly 200 miles back to NYC My son has statements that he needs to write the inequality using symbols for each statement. thanks in advance


The sum of -3 and 4 times a number is greater than 5. Please advise