Top answers

All subjects
All levels

Please solve (x+3)(x+4)=20 for x

Expand the double bracket (x+3)(x+4) first: 1) (x)(x)= x^2, 2) (x)(4)=4x ,3) (3)(x)=3x, 4) (3)(4)=12write expanded equation:x^2+4x+3x+12=20simplify and equate the right hand side to zero:x^2+7x-8=0solve f...

CM
Answered by Caitilin M. Maths tutor
2572 Views

Identify and explain two social factors that affect conformity to majority influence.

Asch's extensive studies found a number of factors affecting conformity rates. One was task difficulty. As the task gets more difficult, with the lines in Asch's study getting closer together in size, peo...

RB
Answered by Rose B. Psychology tutor
8187 Views

Photosynthesis occurs in the guard cells but not the epidermal cells. Explain why this is important in the control of the rate of transpiration in the plant

Need to figure out what the question is actually askingEssentially the question is explain how guard cells work and what their role isGuard cells will have more sugar than epidermal cells as epidermal cel...

LB
Answered by Lucy B. Biology tutor
8681 Views

Please expand this equation and simplify: (2x + 5)(9x -4)

There are 4 multiplication equations that need to be done:1) (2x) x (9x) = 18x22) (2x) x (-4) = -8x3) (5) x (9x) = 45x4) (5) x (-4) = -20Write this out as an equation: 18x2 - 8x + 45...

LO
Answered by Lizkerry O. Maths tutor
3087 Views

Describe and explain the lock and key model of enzyme action, and how denaturation affects this.

The lock and key model of enzyme action describes how enzymes are specific for their substrates. The enzyme is the lock and the substrate is the key. Much how every key is specific for a lock, every enzy...

CF
Answered by Chloe F. Biology tutor
6420 Views

We're here to help

contact us iconContact ustelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

MyTutor is part of the IXL family of brands:

© 2025 by IXL Learning