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Solve the simultaneous equations x + y = 2 and x^2 + 2y = 12

x+y=2 (1) x 2 +2y=12 (2) As we are dealing with x 2 we’re going to have to use substitution to solve this set of simultaneous equations. From the first equation, we can rearrange to make y the subject: y=2-x...
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Answered by Ayesha K. Maths tutor
5913 Views

Read the following passage and answer the questions regarding the passage: “我的名字是小明,我每个星期五早上十点上课。我有英文课,历史课,然后是我最喜欢的科目:数学。很多学生不太喜欢数学课因为他们觉得数学老师太严格了。可是我喜欢数学课,虽然有点难,但是我觉得很有趣。” What is Xiao Ming's opinion about Maths?

Translation of the passage from the question above: "My name is Xiao Ming, I go to class every Friday at 10 o'clock in the morning. I have English, History, then my favourite subject: Maths. A lot of st...
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Answered by Sophia L. Mandarin tutor
3539 Views

Explain what is meant by harassment?

Harassment means that there is offensive or intimidating behaviour, sexist language, or racial abuse used against employers or employees. This is used to intimidate, humiliate, undermine or injure the target...
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Answered by Anna W. Law tutor
1841 Views

What do geostationary satellites do?

Geostationary satellites are objects (usually machines) that orbit the Earth at exactly the same velocity as the rotation of the Earth (strictly, the orbital period of the satellite is equal to the rotationa...
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Answered by Bill A. Physics tutor
4048 Views

Explain the difference between an unsaturated and saturated compound.

An Unsaturated compound has a double carbon to carbon bond I.e) C=C where as a saturated compound has a single carbon to carbon bond like this C-C.
Answered by Chemistry tutor
5174 Views