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By taking the formula F=m*a, and rearranging the make a the subject, we get a=F/m. Then by substituting in the values given we can work out that a=30/10=3. The units of acceleration are ms-2 so...
By factorising the expression, (x-5)(x-4)=0. This means that either (x-5)=0 or (x-4)=0. By solving these equations we can work out the solutions to be x=4,5.
I would then go through with the student and explain that an alkane is a hydrocarbon made up of single carbon-carbon bonds only. This is why butane ends in -ane, it begins with but- due to the number of c...
Je m'appelle Marie, j'ai 19 ans. ma date de naissance est le 18 mai 1998 J'ai un frère et une soeur. Je suis né à Paris et je suis française. Je suis une étudiante à l’université de Bristol, j’étudie la Z...
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