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The distance from the Earth to the Sun is 93 million miles. Assume: it takes 365 days for the Earth to travel once around the Sun and the Earth travels in a circle with the Sun at the centre. Work out the average speed of the Earth in miles per hour.

This question is testing your understanding of speed, distance and time and sounds much more complicated than it actually is. For a question like this one, it is best to draw a picture to help you get a bett...
JH
Answered by Jack H. • Maths tutor
22371 Views

Que te gusta hacer en tu tiempo libre?

Normalmente, me gusta salir al cine con mis amigas durante el fin de semana. A veces voy a dar una vuelta con mi perro en el parque porque hay que decir que es importante que cuidemos de nuestra salud y el e...
FK
Answered by Feruz K. • Spanish tutor
3623 Views

Solve the following, (3/4 + 2/5)^2

Firstly, get both fractions to the same demonimator 3/4 X 5/5 = 15/20. 2/5 X 4/4 = 8/20 This makes the question become (15/20 + 8/20) 2 15/20 + 8/20 = 23/20 Therefore (23/20) 2 So finaly square both top and ...
AB
Answered by Adam B. • Maths tutor
4336 Views

Outline the limestone cycle including the relevant equations.

Calcium carbonate undergoes thermal decomposition to form calcium oxide and carbon dioxide. Calcium Oxide (CaO) can undergo an exothermique réaction with water to product Calcium Hydroxide, also known as sla...
PM
8264 Views

How do you find the gradient of a straight line?

The gradient of a straight line is the number before the x if it is in the form y=mx+c. So for y=6x+2 the gradient is 6. If the y has a factor, like 2y=6x+2, then you have to divide everything by the factor ...
HW
Answered by Hebe W. • Maths tutor
27568 Views