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The area of a rectangle is 8cm^2. It has a length of (3x+1)cm and a width of (2x+5)cm. Work out the value of x.

We know that the equation of the area of a rectangle is width times by length. Therefore:

8=(3x+1)(2x+5)

If we multiply out the brackets we get:

8=(6x2+2x+15x+5), thus, 8=6...

OC
Answered by Oliver C. Maths tutor
12301 Views

What is an enzyme and explain the effect of two environmental factors on their efficiency?

Enzymes act as biological catalysts for reaction that occur in organisms such as animals and plants. This means that they help to speed up reactions, or allow them to take place at lower ...

OC
Answered by Oliver C. Biology tutor
4554 Views

Finding the length of the side opposite a known angle while having the hypotenuse length known

Sin x is equal to the length of the opposite side divided by the length of the hypotenuse. So, the length of the opposite side is Sin x multiplied by the length of the hypotenuse

AA
Answered by Amer A. Maths tutor
3916 Views

How many historians' opinions do I need to get an A*?

Your history exam is less about collecting the opinions of other historians and listing them, rather more about your ability to construct an argument whilst analysing alternative opinions. You should read...

RV
Answered by Robyn V. History tutor
2128 Views

Describe the role of RuBISCO in photosynthesis.

RuBISCO is an enzyme that is involved in the light independent reactions of photosynthesis, specifically, in the Calvin Cycle. This reaction takes place in the stroma. It catalyses the reaction of carbon ...

CD
Answered by Claudia D. Biology tutor
28221 Views

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