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Solve: x^2-7x+6=0

Factorise the equation and then equate each set of brackets to 0 to obtain both possible solutions. 

By factorising: (x-6)(x-1)=0 

Therefore: x=6 or x=1

PG
Answered by Phoebe G. Maths tutor
6429 Views

Line AB has equation 4x+5y+2=0. If the point P=(p, p+5) lies on AB, find P . The point A has coordinates (1, 2). The point C(5, k) is such that AC is perpendicular to AB. Find the value of k.

i) Well, if point P lies in AB, then the value of its x and y coordinates have to fulfill the condition imposed by equation AB. Therefore, substituting the x value p for x and the y value p+5 for y:

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JL
Answered by Javier L. Maths tutor
4992 Views

Explain why the activity of amylase rapidly decreases above pH 7.

pH 7 is the optimum pH for amylase. This means it performs best and has maximum activity at this pH. Above pH 7, the activity of amylase rapidly decreases beacuse the concentration of H+ ions (or protons)...

ER
Answered by Emilia R. Biology tutor
55389 Views

Cosa ti piacerebbe fare la prossima estate?

Mi piacerebbe molto andare in Francia. Non ci sono mai stato, e vorrei vedere in particolare Parigi. Mi hanno detto che i dolci sono buoni.

CM
Answered by Chiara M. Italian tutor
2563 Views

Che ruolo ha l'educazione per la crescita personale di una persona?

L'educazione ha un ruolo molto importante, perché aumenta la capacità di pensare e riflettere. Questo è utilissimo per le decisioni fondamentali che la vita presenta. Studiare, inoltre, apre la mente e pe...

CM
Answered by Chiara M. Italian tutor
2052 Views

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