Question 291
Find the range of the function f(x) = -2x^2 + 8x - 3.FunctionsFunctions and Graphsmedium
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NSC Mathematics – South Africa
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Question 292
Calculate the probability of drawing an ace or a king from a standard deck of 52 cards.ProbabilityProbability Conceptseasy
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Question 293
A circle has a radius of 7 cm. What is the length of an arc subtending an angle of 60° at the center?GeometryCirclesmedium
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Question 294
The mean of five numbers is 12. If one number is removed, the mean of the remaining numbers is 10. What is the removed number?StatisticsMeasures of Central Tendencymedium
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Question 295
Differentiate y = ln(x^2 + 1) with respect to x.CalculusDifferentiationhard
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Question 296
In triangle ABC, AB=AC=5 cm and BC=6 cm. What is the measure of angle BAC?GeometryTriangles and Cosine Rulehard
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Question 297
What is the solution to the equation 2x - 5 = 9?AlgebraAlgebra - Linear equationseasy
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Question 298
If f(x) = 3x^2 - 2x + 5, what is f'(x), the derivative of f(x)?CalculusDifferentiation - Basic rulesmedium
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Question 299
In triangle ABC, if angle A = 30°, side BC = 10 cm, and angle B = 45°, what is the length of side AC? (Use Law of Sines)TrigonometryTrigonometric ratios and laws - Law of Sinesmedium
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Question 300
A box contains 5 red, 4 blue, and 3 green balls. If one ball is drawn at random, what is the probability that it is not green?ProbabilityProbability - Basic probability conceptseasy
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