Top answers


4x^2+5x+2=10

x=0.921 x=-2.17
CK
Answered by Charles K. • Maths tutor
3374 Views

How do you solve a set of three similatenous equations with three unknown variables?

You should manipulate the equations into a form where you can eliminate a variable, using two of the equations. From here, you should be left with two new equations and two unknown variables. Repeat the same...
MG
Answered by Matthew G. • Maths tutor
3635 Views

Find x in the following linear equation (5x-3)/4=2

x=11/5
WP
Answered by Will P. • Maths tutor
3686 Views

Explain why DNA replication is considered semi-conservative.

DNA requires one template strand that is conserved, in order for the nitrogenous bases to order themselves correctly in the new polynucleotide chain. This relies on the complimentary base pairing C-G and A-T...
AG
5975 Views

Outline how a student could identify between an aldehyde and a ketone, and state the result they would observe.

There are two possible answers here. 1) Add Tollens reagent - the student would see a silver mirror form in the test tube containing the aldehyde. 2) Add Benedicts reagent - te student would see a brick red ...