Not in all languages. In Spanish it can represent [h] as in Mexico, in Greek (as chi) it can represent [kh] as in Xristos, in Nahuatl transliterated into Latin characters it can represent [sh] as in Tlaxcala, in Mandarin transliterated into Latin characters it can represent something between [s] and [th] as in xiao.
Yes, the grapheme "x" can represent the phonemes /k/ and /s/ in English. Examples include words like "box" (/bɒks/) and "tax" (/tæks/).
There are three phonemes in the word "two": /t/, /w/, and /u/.
Two phonemes: /t/ and /æ/
There are two phonemes in the word "know": /n/, /oʊ/.
The word "it" contains two phonemes: the "i" sound and the "t" sound.
There are three phonemes in the word "the": /ð/ /ə/.
Two such words are grapheme and graphite.
There are three phonemes in the word "two": /t/, /w/, and /u/.
Phonemes are speech sounds, and in the word "it" there are just two phonemes - i / t.
There are three phonemes in the word "the": /ð/ /ə/.
3
I'm not aware of a concept known as the "phoneme tent", but if you are asking which phonemes (distinct sound units) constitute the word 'tent', then the answer would be 4 -- the consonant 't', the vowel 'e' and the constonants 'n' and 't'. In this case, as with many others, the number of letters in the word happens to match the number of phonemes, but in reality spelling does not in any way determine the number of phonemes, because certain phonemes, for instance, consist of two letters, such as 'sh' or 'th', when in fact they both represent only one phoneme between the two of them.
There are just two phonemes in the word 'tow': t / ow
The word "it" contains two phonemes: the "i" sound and the "t" sound.
Two phonemes: the "sh" and the "e". "Sh" is just one sound, despite being spelled with two letters.
The word "she" consists of two phonemes: /ʃ/ (sh sound) and /iː/ (long e sound).
There are three phonemes in the word "tie": /t/, /aɪ/, and /ɪ/.
TWO