2,563 Answered Questions for the topic Maths

Maths

02/01/16

Give three solutions of the inequaity 6-11x < 61
Give three solutions of the inequaity 6-11x < 61
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Maths

01/30/16

What is (12x0.97)x2
please answer I need it really bad someone please help I need it by Tuesday 
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01/30/16

how i can take equal quarters of an half imperial size sheet ????
as i am an civil engineering student engineering drawing is an important subject for me i got an assignment in which i have to draw circumscribed and inscribed figures but befor drawing this i have... more
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01/26/16

"Is there any other way to find the right most digit of a number, other than getting the remainder of the number when divided by 10."
Any arithmetic operator can be used but not %10..
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Maths

01/26/16

help find the distance travelled
Bronwyn walks one lap of an oval at 2.5km/h and then jogs another eight laps of the oval at 5km/h. If it takes her 30 minutes total, how long in metres is each lap?
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01/25/16

Inequality question
Inequality questionFind the complete set of inequation 2x+3 < √(-2-3x-x^2)   Please give the full answer 
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01/21/16

How does one come to the answer 0.12 from (0.045 + x * 0.504) / (0.003 + x * 0.0105) = 25. What rules are involved to solve this equation?
How does one come to the answer 0.12 from (0.045 + x * 0.504) / (0.003 + x * 0.0105) = 25. What rules are involved to solve this equation?
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01/19/16

Maths worded problem on Lower bounds
Sophie estimated that the distance between Bristol and Newcastle is about 290 miles and that her average driving speed would be 60 mph.She estimated the distance to the nearest 10 miles and the... more
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Maths

01/16/16

Maths question need answer urgently please help much aprpreciated
A radio ham places an aerial mast where it gives the best reception on the roof of his rectangular garage. He then fixes wire supports from the top of the mast to each corner of the roof. The... more
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Maths

01/14/16

Convert n(n-1)(n-2) into a factorial.
Please show the method.
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Maths

01/13/16

maths logs
1. Write each of the following more simply (i.e. not involving logs)loga a20.1logx b).solve the following equations for x, giving your answers to 4 significant figures:x-1.73 = 4.822-x = 0.1 2. In... more
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Maths

01/10/16

prove that (1+sinx-cosx/1+sinx+cosx)+(1+sinx+cosx/1+sinx-cosx)=2cosecx
prove that (1+sinx-cosx/1+sinx+cosx)+(1+sinx+cosx/1+sinx-cosx)=2cosecx  how to solve this in limited steps?
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Maths

01/03/16

standard form
1.2 x 10150  − 8 x 10149 . find the value in standard form
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01/03/16

Maths Trig identities
Exact value of Sin pi/12   I got this answer to be  (√6 - √2 )/4 (part a)   I then done the half angled identity to be  √(2 - √3)/2 (part b)   Both these expressions are equivalent and I need... more
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Maths Trigonometry

01/03/16

maths trig solutions
Find all the solutions between −2π and 2π of the equationcos θ = −1/√2
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12/28/15

What happens when a cone is immersed in a cylinder?
A cylindrical container of base radius 8 cm is filled with water to a depth of 10 cm. (The height of the container is more than 10 cm). A solid right circular cone of base radius 6 cm and height h... more
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Maths

12/28/15

Please help!
A right circular cone is embedded inside a sphere such that the rim of the base and the vertex of the cone are on the surface of the sphere. Given that the cone has a height of 8 cm and a base... more
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12/28/15

Maths, inverse proportions
Hello, could I receive an explanation  of how to solve questions that involve inverse proportions and ask for formulas.   The question is:   'y is inversely proportional to the square of... more
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Maths

12/28/15

Maths, surds
Hello, I would like to receive help with surds question:   '5√5 can be written in the form 5^k   Find the value of k.'   Thank you in advance.
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Maths

12/28/15

Maths (finding value)
Could I receive help with questions like below, because I have encountered with many of these and I don't know how to solve them.   'Solve n^2-n-90=0 to find the value of n'   Thank you in... more
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Maths

12/28/15

A builder has been asked to lay an octagonal patio using square paving slabs.he cuts some bricks in half diagonally. Each paving slab is 1m wide. What is the pe
Maths question
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12/27/15

Maths, word problems
I would like to receive an explanation how to solve word questions like the one below, because they confuse me and I get lost when I'm trying to find something.   'Gary's motorbike uses... more
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12/27/15

Maths word problems
Rectangular floor measurements:  Length= 9m Width= 4.5   'Toji is going to cover the floor with floor boards. Each floor board is 0.1 wide, and 1.5m long.   Work out the smallest number of... more
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12/27/15

Maths, probability
'Milly has a biased coin. When she throws the coin once, the probability of getting heads is 0.2. The probability of getting tails is 0.8.   Milly throws the coin 200 times.   Work out the... more
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12/27/15

Maths, working out the unknown
Hello, I would like to know how to solve such problems:   'Fred is making two rectangular flower beds. The dimensions of the larger rectangle will be three times the dimensions of the smaller... more
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