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There are a total of 50 apples and pears (apples + pears) in a large basket. If the total number of apples was doubled and the total number of pears was tripled, these two numbers would add up to 130. How many apples and pears are in the basket?

Solve this simultaneously. Where a= apples and p= pears, a+p=50 and 2a+3p=130 Multiply a+p=50 by 2 on both sides to get: 2a+2p=100 Then subtract the two equations from each other: 2a+3p=130 2a+2p=100 -------...
CB
Answered by Christopher B. • Maths tutor
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A skydiver is at a height of 10,000 m. Assuming no air resistance, how fast is the skydiver travelling at 9,990 m above the ground?

The skydiver has potential energy at the top of his/her jump, which is transferred to kinetic energy when he/she jumps. The difference in height between the start of the jump and the point at which his/her v...
CB
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How do I go about writing an unseen prose or poetry commentary on Paper 1?

Because it is an unseen commentary Paper 1 seems very daunting but actually the fact that the text is right in front of you to annotate and refer to makes it much easier for some people. What's most importan...
BD
5893 Views

Differentiate implicitly with respect to x the equation x^3*y^5+3x=8y^3+1

3x 2 y 5 +5x 3 y 4 y'+3 = 24y 2 y' 3x 2 y 5 +3 = (24y 2 –5x 3 y 4 )y' y' = (3x 2 y 5 +3) / (24y 2 –5x 3 y 4 )
NG
Answered by Nora G. • Maths tutor
2209 Views

How to tell if the transaction accounts are debit or credit

A common way to answer this question is to think about where the money comes from and where does it go. For example, if the company buys equipment by cheque, then it shows the money comes out from the bank a...
LZ
Answered by Lance Z. • Accounting tutor
3074 Views