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Explain what an external style sheet (CSS document) is for in a HTML document and write a line of HTML code to import one

Information about how the browser should render HTML elements (such as font styles, sizes and colours) can be specified using CSS in an external document, rather than within the HTML tags. This means the HTM...
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Given the two curves y1 and y2, verify the two curves intersect at (-5,0) and (2,0)

y 1 = -3x 2 - 9x + 30 , y 2 = x 2 + 3x - 10Equate two curves ( y 1 = y 2 )Obtain following simplified quadratic: x 2 + 3x + 10 = 0Factorise to obtain ( x + 5 ) ( x - 2 ) = 0 and correct x values x = -5 , x =...
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Answered by James P. • Maths tutor
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Using an example, explain what a subordinating conjunction is and what effect it has on the sentence it's used in

Subordinating conjunctions are words which connect one or more clauses to form a sentence, for example "dass" (that), "obwohl" (although), "ob" (whether). They must be preceded ...
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Answered by Thomas B. • German tutor
1924 Views

Solve simultaneously x + y = 1, 2x + 3y =9

To solve this problem I would begin by rearranging the first equation to equal X.1) x + y = 1 -> x = 1 - yI would then substitute this into the second equation.2) 2x + 3y = 9 -> 2(1-y) + 3y = 9Then mul...
IC
Answered by Isabel C. • Maths tutor
3795 Views

Explain what is meant by "volatile" and "non-volatility" memory, their uses, and the difference between them

The contents of volatile memory, also known as flash memory, is not preserved when the device is turned off, unlike non-volatility memory, also known as persistent memory, which can be used for long term dat...
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Answered by Thomas B. • Computing tutor
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