Over a million students use our free study notes to help them with their homework
Let's call the numbers we are looking for a and b. From the question: a-b = 50 and b is 50% of a, which means that b = (50/100)a=0.5 a. Substituting this form of b in the first equation, we obtain: a-...
While this problem could be done simply by inputting the appropriate numbers into the correct formula, it is good practice to draw a diagram of the problem in order to minimise any silly mistakes that may...
The question asks you to calculate 27-3/2.Due to the presence of the negative sign, 27-3/2 is the same as 1/273/2. The fractional power is a little more tricky...
In order to answer this question, we will follow the FOIL procedure. First, Outter, Inner, Last. Using the 'F' we will multiply the first 2 numbers of each bracket. In most cases, these 2 variables will h...
First of all, we must multiply each equation by a suitable number in order to get the same leading coefficient. In simple terms, we must make the coefficient of the x or the y in...
←
309
310
311
312
313
→
Internet Safety
Payment Security
Cyber
Essentials
