05/04/19

The length of a rectangle is 6 cm and its width is 5 cm, both correct to the nearest centimetre.What is the smallest possible area the rectangle could have?
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05/04/19

How do you get an area of a shape using a compass?
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05/04/19

Does diagonal of rectangle bisect each other at right angles?
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05/04/19

An element with mass 310 grams decays by 8.9% per minute. How much of the element is remaining after 19 minutes, to the nearest 10th of a gram?
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05/04/19

Accidental spell of 65 g of a radioactive material

An accidental spill of 65 g of radioactive material in a local stream has led to the presence of radioactive debris decaying at a rate of 4% each day. Find how much debris still remains after seven... more
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05/04/19

If the opposite angles of a quadrilateral are each 90° and both pairs of adjacent sides are equal, is it a square?
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05/04/19

Step by step in solving this problem
The length of the rectangle is four times its width. If the perimeter of the rectangle is 70 cm ,find its area
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05/04/19

find the slope of the line containing the following two points: f(1/10)=-4 f(-1/5)=-1/5
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05/04/19

The base of a pyramid has n edges. In terms of n, what is the difference between the number of edges of the pyramid and the number of faces?
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05/04/19

If the line y=mx+a/m is tangent to parabola y^2=4ax, what is the point of contact and tangency?
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05/03/19

Make x the subject of the ³√(x/a) = b?
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05/03/19

The area and perimeter of a square is numerically equal, what could be the length of the side of the square?
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05/03/19

What will be the length and breadth of a rectangle if its perimeter is 20 and the length is twice of the breadth?
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05/03/19

A spherical cake of radius 12 cm is cut into 4 equal pieces. What is the volume of each piece?
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05/03/19

A diagonal of quadrilateral divides it into unique triangles. Will the sum of parameter of them equal to the parameter of quadrilateral or not?
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05/03/19

How do I measure the crank angle of an offset slider crank mechanism for each unit of a slider movement?
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05/03/19

The perimeter of an equilateral triangle is 25, what would be the area of the inscribed circle enveloping the triangle?
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05/03/19

A cone has a radius of 3 feet and a height of 8 feet. What is the volume?
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05/03/19

Consider the equation of two lines 2x+y-4=0 and 3x-y-1=0. What is the co-ordinates of the point which the two lines intersect?
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05/03/19

Solve 8 tan(6𝜃 + 15) = −64.328 , for −90° < 6𝜃 + 15 < 90°
Find 𝜽 in degree measure to three decimal places. SHOW ALL WORK
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05/03/19

Two squares are inscribed in a semicircle. If the area of the smaller square is 100, what is the radius of the semicircle? The point represents the center of the circle.
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05/03/19

Solve the following logarithmic equation
2log(base 3)(x-4)+log(base 3)3=3
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05/03/19

What is the area of triangle OAB if the line y-2=0 intersects the pair of lines x^2 -7xy +2y^2 =0 at A and B? O is the origin.
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05/03/19

Find the equation of the plane determined by the points A (3, - 1, 2), B (5, 2, 4) and C (–1, –1, 6). Also find the distance of the point P (6, 5, 9) from the plane?
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05/03/19

What types of angles are supplementary?
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