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Explain, in terms of atoms, why steel is stronger than iron.

In iron, all the atoms are of the same size so the layers can slide past each other. In steel, there are both carbon and iron atoms which are different sizes, meaning the layers are disrupted and cannot e...

AR
6765 Views

Solve the simultaneous equations 3x +y =11 and 2x+y=8

Equation 1: 3x+y= 11, Equation 2: 2x+y=8. You want to find out what x is and what y is.In both equations there is only 1 unit of y therefore it is easiest to rearrange the first equation so that it equals...

KM
Answered by Kathryn M. Maths tutor
4944 Views

White paint costs £2.80 per litre and blue paint costs £3.50 per litre. White and blue paint are mixed in the ratio 3 : 2. How much does it cost to make 18 litres of this mixture?

18/(3+2)=3.63x3.6=10.8 2x3.6=7.210.8x2.8=30.247.2x3.5=25.230.24+25.2=55.44

DC
Answered by David C. Maths tutor
3392 Views

Vous décrivez votre vie d’adolescent(e) pour votre blog. (vos passe-temps préférés, vos relations familiales, une activité récente avec un(e) ami(e), vos projets pour le week-end prochain)

Je jouais au foot avec mes amis quand j'étais plus jeune très régulièrement. Maintenant j'aime bien faire des courses au centre commercial.Je m'entends bien avec tous les membres de ma famille sauf ma sœu...

MD
Answered by Megan D. French tutor
5732 Views

What were the key reasons for Hitler's rise to power?

Hitler's rise to power was not due to one event but rather, it was the result of a number of factors and events occurring both inside Germany and abroad. This question requires you to define the social an...

SH
Answered by Shenade H. History tutor
5413 Views

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