Top answers

Describe and explain the three main factors affecting the rate of photosynthesis

The rate of photosynthesis is affected by: Light intensity - without enough light, cells cannot photosynthesize even if there is an excess of carbon dioxide and water Carbon dioxide concentration - without e...
BM
25132 Views

Solve algebraically: 6a+b = 16 and 5a - 2b = 19

6a + b = 16 (1) 5a - 2b = 19 (2) (1) x 2: 12a + 2b =32 (1) + (2): 12a + 2b + 5a - 2b = 32 + 19 = 51 17a = 51 a = 51 / 17 = 3 Substitue a = 3 back into (1): (6 x 3) + b = 16 18 + b = 16 b = 16 - 18 = - 2 Subs...
NR
Answered by Niva R. • Maths tutor
3654 Views

When do I use être in the perfect tense?

The most popular and useful way of remembering when to use être in the perfect tense, is the MRS VANDERTRAMP list: Monter, Retourner, Sortir, Venir, Arriver, Naitre, Descendre, Entrer, Rester, Tomber, Rentre...
KB
Answered by Kiah B. • French tutor
3016 Views

You read this comment in a magazine. 'Oggi mi rendo conto che, in realtà, il problema più grosso è che ci sono troppe macchine in centro. Non c’è una zona pedonale e l’aria è molto inquinata.' Which problem is mentioned?

A. Traffic accidents B. Noise pollution C. Air pollution - C is the correct answer.
RD
Answered by Riccardo D. • Italian tutor
3305 Views

Solve 0=X^2 +5x +4

0= (x + 4)(x + 1) x= - 4 x= - 1
RW
Answered by Rebecca W. • Maths tutor
3356 Views