Top answers

Describe the differences between mitosis and meiosis- 3 marks

Mitosis and meiosis are ways in which a cell divides mitosis begins with diploid body cells whereas meiosis begins with diploid cells in a sex organ in mitosis, the cells divide to replace cells so clone a b...
JS
Answered by Jessica S. • Biology tutor
4303 Views

Solve the simultaneous equations: 5x + y = 21 and x - 3y = 9

x = 4.5y = -1.5To answer this question, first, rearrange the first equation to make y the subject: 5x + y = 21 --> y = 21 - 5xYou can now substitute this value of y into the second equation: x - 3(21 - 5x...
SA
Answered by Sophie A. • Maths tutor
4185 Views

Factorise 100-x^2

Via inspection, one can factorise this via the difference of squares; since a^2-b^2 = (a+b)(a-b), therefore:100-x^2 = (10-x)(10+x)
HM
Answered by Howard M. • Maths tutor
7686 Views

1) Translate the English into Spanish

Yesterday, I went to my friends house and we watched tv - Ayer, fui a la casa de mi amiga y vimos la televisión Next year, we are going to Spain together - El próximo año, vamos a España juntos
GF
Answered by Georgia F. • Spanish tutor
2239 Views

Solve the simultaneous equations: 3y + 2x = 10, 4x - y + 3 = 2

The first step whenever you are given an equation is to group like terms. By this I mean put all the terms with the same letter next to it together and, in this case, the numbers without a letter. For the eq...
TM
Answered by Tom M. • Maths tutor
4169 Views