2,575 Answered Questions for the topic Maths

Maths

10/07/18

in a year group there are 100 boys and 120 girls
in a year group there are 100 boys and 120 girls write as a ratio the number of boys to the number of girls. write as a ratio the number of boys to the number of girls. Give your answers in its... more
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Maths

10/07/18

one grain of sand approximately weighs 7 x 10 to the power of -5g how many grains of sand are there in 6300kg of sand give answer in standard form
i don't know how to work it out
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Maths

10/06/18

A hotel 25% off sale. A charge of 20% must be added on at the end. The normal price is £90. How much is it now.
I didn't understand the order of which I was meant to do it in. I need answers because this is important.
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Maths Ratios

10/03/18

What the equivalent ratio of 8:24:32
What is the equivalent of 8:24:32 
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10/02/18

Formula that predicts the location of moving enemy
A rocket that explodes not on impact, but explodes on a timer will be shot from myself to the enemy. The timer can only be inputted at the start of the shot. The rocket can only go straight and has... more
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Maths

10/02/18

Maths- Polynomials
A stone is tossed from a point W into the air. The height Y metres of the stone above ground level at time t seconds is given by y=-t2+4t+5.                  (a) How far is W from the ground... more
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09/30/18

Formula that predicts the location of moving enemy
A rocket that explodes not on impact, but explodes on a timer will be shot from myself to the enemy. The timer can only be inputted at the start of the shot. The rocket can only go straight and has... more
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Maths

09/30/18

Ratio for length, area and volume
the ratio of the volume of cube A to cube B is 512 : 343.  What is the ratio of the side of cube A to cube B? 
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09/30/18

One car travels 10km an hour faster than a second car. The first car travels 320km in the same time that the second car travels 240km. Find the rate of each car
One car travels 10km an hour faster than a second car. The first car travels 320km in the same time that the second car travels 240km. Please help me find the rate of each car.
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Maths

09/29/18

Sine, cosine and tangent of any angle
Cosx— -0.7313537. Find the values of x between 0 degrees and 360 degrees 
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Maths

09/29/18

A ship sails 300km on a bearing of 078 degrees.
How far north has the ship sailed?  How Far East has the ship sailed? 
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09/29/18

differentiation of scalar will be scalar, vector, tensor ?
differentiation of scalar will be scalar, vector, tensor ? similarly what will be derivative of vector
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Maths

09/27/18

will 301 be in the sequence
-9,-5,-1,3,7  
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09/27/18

How do you solve this
x+3y=0 3x+2y=-7
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Maths

09/26/18

Bus a stops every 12 minutes and bus b stops every nine minutes on the same circuit. They stop at the same bus stop at 9:15am. When is the next time this happe
hard maths question 
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Maths

09/26/18

If a square + 9b square = 13 and ab= 2, then find a+3b
 None
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Maths

09/25/18

n = 3 x 5^2 x x^3 write 5n^2 as a product of its prime factors, give your answer in terms of x
Please Help with this question, i have got 1 mark by doing this :  5n² = 5(3² × 5^4 × x^6 )
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Maths Prealgebra

09/25/18

A truck travels 0.72 km on 0.01 litre of fuel. How many km will it travel on 1 litre of fuel
I have a problem in this question so please help meh  
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09/24/18

Home work help
In a fruit punch drink, the 3 ingredients are apple juice, orange juice and cranberry juice. If 1/3 of the drink is apple juice and 1/2 is orange juice then write the ratio of cranberry juice to... more
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Maths

09/24/18

Transition year students school play. Tickets cost €7 adults €3 , children. Write down two equations
I need to write down TWO equations
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Maths Equations

09/24/18

I cycle x Km at 24 Kph and then go a further y Kn at 15 Kph. If my ride takes me 11Km in 35 mins find the value of x and y
equations
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Maths

09/23/18

This is a question for expert tutors only!!!
Two large and 1 small pumps can fill a swimming pool in 4 hours. One large and 3 small pumps can also fill the same swimming pool in 4 hours. How many hours will it take 4 large and 4 small pumps... more
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Maths

09/23/18

what is the product of 32 and 38
i want to know how to get the answer nice and quick
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Maths

09/22/18

the population of a country decreases by 4% every year.
  if the population is 8 million what will it be after 3 year.
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Maths

09/19/18

a jat contains £40 correct to nearest pound. what is the naximum and minimum amount of money can you get
i need help to find  aswer for this question please
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