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A conditional or "si" clause ALWAYS has two parts: 1) a subordinate clause that contains a condition/hypothesis - this is almost always introduced by the word "if" ("si")2) a...

2x+3y=7 ----(1)x-y=1 -----(2)First, look at how you can eliminate one of the unknowns. Here we can multiply the second equation by 3 to make eliminate the "3y" in the first equation. We will the...

Here we use the ratios given to calculate the answer. First we sum add 7 and 4 to find total parts. 7 + 4 = 11. Then we divide 88 by 11. 88/11 = 8.This means we know that each part in the given ratio is 8...

It's important to take a few minutes to quickly plan your argument in response to a particular question. You do not want to waste too much writing time doing this, but it is crucial to have a rou...

...solid is a pure substance or a mixture.
Firstly, she would need to plot a graph of temperature against time. Temperature remains constant at the melting point. The graph will show whether the sol...