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How do you form a negative sentence in the present tense?

The negative, meaning 'not', is made up of the two words ne and pas which go either side of the verb in the present tense. For example: 'Je ne vois pas le chien' - 'I don't see the dog'. The ne becomes n' ​ ...
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Answered by Sara L. • French tutor
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How do I form the perfect tense in German?

The perfect tense refers to an action that happened in the past. Eg) I played football. She drank water. We went shopping. In german it is formed using an auxilary verb (haben or sein) and the past participl...
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Answered by Hannah C. • German tutor
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Describe the difference between a covalent and an ionic bond. Give examples.

A covalent bond is formed due to a shared pair of electrons between to atoms. It occurs between two non-metal atoms eg) HClAn ionic bond is formed when there is a strong electrostatic attraction between oppo...
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Answered by Hannah C. • Chemistry tutor
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What is the wavelength of a wave travelling at 20ms^-1 with a time period of 0.2s

v = f x lambdatherefore lamba = v/ff=1/Tf = 1/0.2 = 5Hzlambda = 20/5 = 4m
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Answered by Hannah C. • Physics tutor
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Solve the simultaneous equations (1) 2a - 5b = 11 (2) 3a + 2b = 7

(1)x2 4a - 10b = 22(2)x5 15a + 10b = 35(1) + (2) 19a = 57a = 3sub a = 3 into (1)2(3) - 5b = 116 - 5b = 11-5b = 55b = -5b = -1
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Answered by Hannah C. • Maths tutor
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