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Solve the following simultaneous equations: x^2 + y^2 = 29 and y - x =3

This question is slightly trickier than normal simultaneous equations, because we have values to the power of 2. What we can do is make either y or x the subject of the 2nd equation (y-x = 3). For this ex...

TD
Answered by Trushna D. Maths tutor
3898 Views

You receive the following figures: Sales 85000, Cost of Sales 15000, Rent 5000, Advertising Expenses 7000. Calculate the Net Profit.

Net Profit is the money left over from sales after expenses have been accounted for.First, we need to calculate the Gross Profit. This is Sales - Cost of Sales,

GM
2061 Views

Identify and explain one advantage and one disadvantage of using text (SMS) messages as a method of internal communication.

Internal communication is communication used within the organisation to employees and ranges from emails to face to face discussions. An...

GM
7828 Views

There are 48 girls in a large cheerleading squad. The ratio of girls to boys in this squad is 8:3. How many boys are in the squad?

There are (48/8)*3=18 boys. Since the ratio of boys to girls is 8:3 you divide the number of girls by 8 which gives 6 and then multiply by 3 to give the number of boys.

GH
Answered by George H. Maths tutor
3160 Views

what are the two main differences between the formation and use of the perfect tense (passe compose) and the imperfect tense (imparfait)

Firstly; the perfect tense is a compound formation, meaning there are two parts to its formation. This includes the auxiliary verb, namely 'avoir' or 'être' plus the past participle which is the conjugate...

CH
Answered by Charlotte H. French tutor
2328 Views

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