Search our library of homework questions

Top answers

All subjects

All levels

Describe the process of therapeutic cloning.

Therapeutic cloning produces stem cells which are genetically identical to the parent cell. Nucleus is removed and discarded from the donor egg cell = enucleated egg. Nucleus is removed f...

Answered by Ottilie W. • Biology tutor

22640 Views

What is the definition of a moment?

A moment is the product of force and the perpendicular distance from the pivot to the line of action of the force.

Answered by Odin G. • Physics tutor

1929 Views

What is the objection from the problem of evil to the existence of God?

The problem of evil attacks the principle that God is an omniscient, benevolent and omnipotent being. If God were omniscient, he would know that evil exists and he would know how to prevent it. A frequent...

Answered by Charlotte G. • Philosophy tutor

2116 Views

Write cosx - 3sinx in the form Rcos(x + a)

Rcos(x + a) = Rcosxcosa - Rsinxsina
By comparing cosx - 3sinx to the new expression, we can see that:
Rsina = 3 and Rcosa = 1
If we square both and add them, we can see R = √(1²

Answered by Odin G. • Maths tutor

8649 Views

Samuel had 3 piles of coins, I, II and III. Altogether there was 72p. Pile II had twice as much as pile I. Pile III had three times as much as pile II. How much money was in Pile III?

First let coins in pile I equal x. Then we the question tells us II has twice pile A so we can now write this as 2x. Finally, we can write pile III as 6x - reason is that III has three times pile II...

Answered by Syed R. • Maths tutor

2694 Views