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If we take x to be the total heights of the all the boys (1.58 * 12) be x and y to be the total height of all the students (1.52 * 28) then we may define the total heights of the girls, z, as y – x. If we...

£600 includes 20% VAT Therefore £600 is 100% of original price + 20% from VAT, meaning £600 is a 120% price increase in accordance to original price.120% as a decimal is 1.2 - simply divide by 100 to get ...

First multiply out the bracket.x^2 = 4(x - 3)^2 then becomes x^2 = 4(x^2 - 6x + 9)Expand the right hand side further. x^2 = 4x^2 - 24x + 36Collect like terms. 3x^2 - 24x + 36 = 0The number 3 is a common f...

To form the perfect tense (which translates in English to 'I have been/eaten/visited') you must first conjugate the verb 'haber'. The correct conjugation for this verb is yo he, tu has, el/ella ha, nos he...

Большой телевизор should be declined in the genitive singular as negative possessive constructions in Russian trigger the genitive. The correct answer would be: "У меня нет большого телевизора"....