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Solve this simultaneous equation: 6x+2y = 26 and 8x + 3y = 32

If 6x + 2y = 26 then 26 - 6x = 2yy = 13 - 3xSo, using the substitution method.... into 8x + 3y = 328x + 3(13 - 3x) = 328x + 39 - 9x = 32-x + 39 = 3232 + x = 39x = 39 - 32 = 7Sub x = 7 into 6x + 2y = 266(7) +...
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Answered by Samuel W. • Maths tutor
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What is heredity? How is it related to inheritance?

Heredity is the process of genetic inheritance, where genetic information is passed from parents to their offspring. This information is in the form of de-oxyribonucleic acid (DNA), which is stored in the nu...
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Answered by Samuel W. • Biology tutor
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Describe how living plants are involved in the carbon cycle. (4 marks)

Living plants take in carbon dioxide for photosynthesis. They take in this carbon to make protein. They respire which releases carbon dioxide. they provide food for animals. They store/lock up carbon.
Answered by • Biology tutor
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How do I differentiate the use of "el imperfecto" from "el pretérito" when describing actions in the past?

This is a tricky grammatical question that is asked a lot by students, but there are several differences between the two. Perhaps the most important difference is that el pretérito is used to refer to single...
Answered by • Spanish tutor
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How is DNA linked to protein synthesis? Why does mutations in DNA have serious implications on protein synthesis?

DNA is the genetic code of an individual, this has been assembled from the contributions of your maternal and paternal gamete genomes. When a gene is being expressed, a polymerase transcribes a copy in the f...
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Answered by Samuel W. • Biology tutor
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