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(x + a)(x + 3)(2x+1) = bx^3 + cx^2 + dx -12, find the values of a, b, c and d.

This question is an example of expanding algeba and equating coefficients. If the brackets on the left-hand side are expanded the unknown values can be found from the coefficients on the right-hand side.Step...
JS
Answered by Joe S. • Maths tutor
8071 Views

What are three organelles found in a plant cell not found in prokaryotic cells?

Nucleus - In eukaryotes the nucleus contains most of the DNA and also directs chemical processes of the cell. Prokaryotes do not have nuclei.Mitochondria - Most eukaryotic cells have mitochondria which are t...
MD
Answered by Myles D. • Biology tutor
4513 Views

5 Footballs and 3 tennis balls cost £2.30, 4 Footballs and 2 tennis balls cost £1.80. What is the total cost of 1 football and 1 tennis ball?

(simple algebraic substitution equations) assign each an algebraic term to form equations > footballs = f, tennis balls = tequation 1 > 5f + 3t = £2.30equation 2 > 4f + 2t = £1.80 (you could multipl...
TC
Answered by Troy C. • Maths tutor
4017 Views

How is the simple future tense formed in French?

This tense in French describes events or things that will happen in the future. Though there is a near future tense, this is used when actions are generally closer to happening now. The future tense is forme...
EL
Answered by Emily L. • French tutor
3169 Views

What organelles do plant cells have that animal cells do not? Why do plant cells need these additional organelles?

Animal cells contain a different set of organelles to plant cells in order for them to function. Firstly, plant cells contain chloroplasts that allow them to photosynthesise and produce energy. As animal cel...
HF
Answered by Harriett F. • Biology tutor
25993 Views