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NECTA Basic MathematicsTanzania

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Question 41

Simplify the expression: 2x - 3 + 4x + 7.
AlgebraAlgebraic Expressionseasy

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Question 42

Calculate the volume of a cylinder with radius 3 cm and height 10 cm. (Use π ≈ 3.14)
MensurationMensurationmedium

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Question 43

If sin θ = 0.6, what is cos θ for θ in the first quadrant?
TrigonometryTrigonometrymedium

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Question 44

What is the value of 7 × (3 + 5) - 4?
Number operationsNumber operationseasy

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Question 45

Simplify the algebraic expression: 3x + 5x - 2 + 7.
AlgebraAlgebraeasy

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Question 46

Solve for x: 2x - 7 = 3x + 5.
Linear equationsLinear equationsmedium

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Question 47

What is the midpoint of the line segment joining points A(2, 3) and B(6, 7)?
Coordinate geometryCoordinate geometryeasy

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Question 48

Calculate the surface area of a cylinder with radius 3 cm and height 7 cm. (Use π = 3.14)
MensurationMensurationmedium

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Question 49

A bag contains 4 red balls and 6 green balls. What is the probability of drawing a red ball?
Statistics and probabilityStatistics and probabilityeasy

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Question 50

The set of numbers {2, 4, 6, 8, 10} represents the number of students attending a class over five days. What is the mean number of students?
Statistics and probabilityStatistics and probabilityeasy

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