Recent questions in Mathematics

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The first, second and fifth terms of an arithmetic sequence are the first three consecutive terms of a geometric sequence. Find the common ratio

asked Jun 30, 2021 in Mathematics Form 3 by anonymous

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1 answer

The figure below shows a prism ABCDEF with BC=8cm and EB=8cm

asked Jun 30, 2021 in Mathematics Form 1 by anony mous

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1 answer

A contractor intends to transport 1,000 bags of cement using a lorry and a pick up. The lorry can carry a maximum of 80 bags while a pick up can carry a maximum of 20 bags. The pickup has to make more than twice the number of trips the lorry makes and the total number of trips has to be less than 30. The cost per trip is sh. 2,000 for the lorry and sh 900 for the pickup and the contractor wishes to minimize cost. Let x and y be the trips for the lorry and pickup respectively.

asked Jun 30, 2021 in Mathematics Form 3 by anonymous

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ABCD is a regular tetrahedron. AB=BC=CA=AD=BD=CD= 8cm.

asked Jun 30, 2021 in Mathematics Form 2 by anonymous

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A,B and C are three points on a straight line (in that order) on horizontal ground. A and B are on the side of C. At C stands a vertical tower 173.2m high. The distance from A to B is 100m and the angle of elevation of the top of the tower from A is 30°. Find the angle of elevation of the top of the tower from B.

asked Jun 30, 2021 in Mathematics Form 1 by anony mous

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The interior angles of an irregular hexagon are 108°, 162° and 90°. The remaining three angles are all equal. Find the value of the largest exterior angles.

asked Jun 30, 2021 in Mathematics Form 1 by anony mous

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Find the base radius of a cylindrical hole with maximum volume which can be drilled into a cone of height 16 cm and radius 12 cm as shown below.

asked Jun 30, 2021 in Mathematics Form 2 by anonymous

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1 answer

Expand (1+2x/3)8 in ascending powers of x up to the fourth term. Hence use your expansion to evaluate (0.98)8 to three significant figures.

asked Jun 30, 2021 in Mathematics Form 3 by anonymous

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Peter bought a shirt and sold it to Kamau at a profit of 10%. Kamau sold the same shirt to Rony at a price of Kshs 2700/= thus making a loss of 15%. Find the price Kamau bought the shirt from Peter.

asked Jun 30, 2021 in Mathematics Form 1 by anony mous

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The third number of four consecutive odd numbers is 2n+3. Their sum is 1768. Find the numbers.

asked Jun 30, 2021 in Mathematics Form 1 by anony mous

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1 answer

The equation of a circle is given by 2/3 x2 + 2/3 y2 - 4x+ 2 2/3 y - 2 = 0. Determine the centre and the radius of the circle.

asked Jun 30, 2021 in Mathematics Form 2 by anonymous

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1 answer

Evaluate without using a calculator

asked Jun 30, 2021 in Mathematics Form 1 by anony mous

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Given that A (4, -2, 6) and B (-3, 1, -2) and that a point N divides AB in the ratio -2:7. Find the vector ON in terms of i, j and k.

asked Jun 30, 2021 in Mathematics Form 2 by anonymous

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Solve the following equation for 0 ≤ x ≤ 360 2cos⁡x = sin^2 x + 2

asked Jun 30, 2021 in Mathematics Form 2 by anonymous

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In the figure below, the chords CD and AB intersect externally at T. DT = 4 cm, BT = 3 cm and CD = 5 cm. calculate the length AB.

asked Jun 30, 2021 in Mathematics Form 3 by anonymous

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Triangle ABC is such that AB = 8 cm, BC = 11 cm and AC = 15 cm. calculate correct to 2 decimal places the; Angle ABC Radius of the circum circle

asked Jun 30, 2021 in Mathematics Form 3 by anonymous

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1 answer

Express in surd form and simplify by rationalizing the denominator.

asked Jun 30, 2021 in Mathematics Form 3 by anonymous

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1 answer

Make b the subject of the formula.

asked Jun 30, 2021 in Mathematics Form 3 by anonymous

0 votes

1 answer

Form a quadratic equation whose roots are 2.5 + √3 and 2.5 - √3 giving your answer in the form ax2+bx+c=0 where a, b and c are integers

asked Jun 30, 2021 in Mathematics Form 3 by anonymous

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Solve the equation

asked Jun 30, 2021 in Mathematics Form 2 by anonymous

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