2,563 Answered Questions for the topic Maths

04/24/15

Maths linear equation
A club has to buy x gold medals, y silver medals and z bronze medals for an event. When the prices of gold, silver and bronze medals are $30, $20 and $10 each respectively, the total cost is $410.... more
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Maths

04/21/15

How much energy does a pitcher transfer to a 0.15 kg baseball while throwing it at a speed of 40 m/s
How much energy does a pitcher transfer to a 0.15 kg baseball while throwing it at a speed of 40 m/s? T
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04/21/15

What must you score in the 2nd exam to get an overall 40% in the module.
There are 2 exams in one module. One exam is worth 30% the other is worth 70% of the overall grade.You score 60% in the exam worth 30%.What must you score in the 2nd exam to get an overall 40% in... more
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Maths Math Math Help

04/20/15

Separation of variables help please!
The temperature distribution in a semi-infinite rod follows the diffusion equation k(∂2u/∂x2)= ∂u/∂t The temperature of the rod at x=0 is varied (relative to temperature T0) as u(0,t) = ΔTsin(wt)... more
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Maths

04/18/15

An Insect crawls up 5cm every second on a 60cm vertical rod and then fell down 2cm over the next second. How many seconds will it take to climb the rod.?
 An Insect crawls up 5cm every second on a 60cm vertical rod and then fell down 2cm over the next second. How many seconds will it take to climb the rod.?
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Maths

04/17/15

A point (x, y) is on the unit circle. If its y-coordinate is 1/2 and the point lies in Quadrant I, what is the other coordinate?
A point (x, y) is on the unit circle. If its y-coordinate is 1/2 and the point lies in Quadrant I, what is the other coordinate? Express your answer as a fraction, NO DECIMALS!
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Maths

04/17/15

The point (x,y) is found on the unit circle. In which quadrant would you find this point if x > 0 and y > 0? Use Roman numerals for your answers.
The point (x,y) is found on the unit circle. In which quadrant would you find this point if x > 0 and y > 0? Use Roman numerals for your answers.Point (x,y) is in Quadrant
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Maths

04/17/15

The point (sqrt(40)/11,9/11) is found on the unit circle. In which quadrant is this point found? Point (sqrt(40)/11,9/11) is in Quadrant
The point (sqrt(40)/11,9/11) is found on the unit circle. In which quadrant is this point found? Use Roman numerals for your answer.Point (sqrt(40)/11,9/11) is in Quadrant
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Maths

04/16/15

This is equations 2 multi step question what is z/7-6=1
It a maths question 
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Maths

04/14/15

Mathematics
A plant seed germinates and produces five seeds. Each of those seeds is planted and germinates to produce five seeds of its own. How many total seeds will there be after seven germinations?  
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Maths

04/13/15

growth rate
The number of male students at the local college increased by 250 more male students than the year before. Given that the number of males students that attended college the year before was 25,000,... more
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Maths

04/11/15

A box contains 220 matches and weighs 45 grams and the box itself weighs 12 grams, how much does one match weigh?
answer please
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Maths

04/07/15

Maths problem
A fitness fanatic walks at 4 km/h for time t1, and then runs at 7 km/h for time t2. He travels a total of 26 km. If he had run for the same time that he had walked (t1) and walked for the same time... more
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Maths

04/06/15

Word problem
A fitness fanatic walks at 4 km/h for time t1, and then runs at 7 km/h for time t2. He travels a total of 26 km. If he had run for the same time that he had walked (t1) and walked for the same time... more
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04/06/15

solve by elimination method
8x-y=67 x+7y=44   determine the solution of the system. select the correct choice below and, if necessary, fill in the answer box to complete your choice.   a) _ (type ordered pair) b) there... more
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Maths

04/06/15

word problem
A river is flowing downstream at a rate of 1 km/h. In still water Michael can swim at a rate of 2 km/h. Michael dives into the river and swims downstream then turns around and swims back to the... more
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Maths

03/30/15

share £28 in the ratio of 13:12:10
United kingdom 
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Maths

03/30/15

A piece of wood is of length 45 cm the length is divided in the ratio 7:2 work out the length of each part
United kingdom 
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03/30/15

A farmer has x pigs and y chickens. Write an expression for how many head? Write an expression for how many legs?
Can someone please explain the method for getting the answer to the second one and what the answer is? Thanks
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Maths

03/25/15

Solving linear equations
one hundred and ninety students go on a tour. They go on minibuses that carry 14passengers each and In buses that carry 40 passengers each. There were eight vehicles used in full. How many of each... more
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Maths

03/25/15

Solving problems using linear equations
A pet shop have rabbits and gerbils for sale. They have 20 animals altogether. They sell two rabbits. Then one of the gerbils has twins. The shopn now has three times as many gerbils as rabbits.... more
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03/25/15

Singular points help
For the differential equation:2(1-x)y''-3y'+(y/x)=0What are the singular points and determine whether they are regular or irregular? Then find the roots of the indicial equationThank you to whoever... more
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Maths

03/23/15

Calculate the lineal metres of timber (150mm x 45mm) required to form up the edge of a concrete slab 6.0m x 2.5m x 150mm (no allowance for waste)
I need Help Please 
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Maths

03/19/15

The ratio of a triangle is 1:2:3 what is the size of the largest angle?
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03/17/15

Complicated integral
The question has to do with the Schrodinger equation in one dimension and using the propagator. I have gotten an integral but it has to be solved to get the final solution which I can't get. The... more
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