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How to solve this simultaneous equations question - with reasons for why?

Science & Mathematics by Anonymous 2018-06-24 09:04:30

Social Science

How to solve this simultaneous equations question - with reasons for why?

4 answers

x² + y² = 1 x + 2y = 1

Science help?

Science & Mathematics by Anonymous 2018-06-24 09:03:47

Social Science

Science help?

5 answers

True or False: Epigenetics is a process of gene expression modification by changing the DNA sequence. True False

So I be worried about hard skin that has developed over a mole?

Health by Anonymous 2018-06-24 09:02:11

Social Science

So I be worried about hard skin that has developed over a mole?

4 answers

I have a raised mole on the ball of my foot with a diameter of about 1cm. Recently I have developed hard skin across the ball of my foot, which also covers the mole entirely. Should this be a cause for concern?

Is this some kind of secret code?

Science & Mathematics by Anonymous 2018-06-24 08:33:18

Social Science

Is this some kind of secret code?

12 answers

How many times do I have to pay for college tuition?

Education & Reference by Anonymous 2018-06-24 08:32:24

Social Science

How many times do I have to pay for college tuition?

1 answer

I heard that you can pay college tuition by year or semester. I don’t know how many semester are there in a year of college. So if I pay in full by year, does that mean throughout college I will have to pay 4 times bc there are 4 years of college?