Algebra Answers

Thabi and Senzo are marking 180 scripts for grade 12.

Thabi took 3 minutes to finish 1 paper.

Senzo took 1,5 minutes to finish 1 paper.

How long will it take them to finish 180 scripts?

Tn=5n-4

Drew burnt 1600 cal Friday playing one hour basketball and canoeing for two hours Saturday he spent two hours playing basketball in three hours canoeing in Byron 2700 cal how many calories did you burn per hour when playing basketball how many calories did you burn for our when canoeing canoeing

June at 60 gallons of punch for a party June carries the punch in two different full coolers the bigger cooler is five times as large as the smaller cooler how many gallons can each cooler hold

Reflect on the concept of exponential and logarithm functions. What concepts (only the names) did you need to accommodate these new concepts in your mind? What are the simplest exponential and logarithmic functions with base b ≠ 1 you can imagine? In your day to day, is there any occurring fact that can be interpreted as exponential or logarithmic functions? What strategy are you using to get the graph of exponential or logarithmic functions?

1.2 Explain how and who came up with these algebraic concepts or used these algebraic concepts developed over time:

1.2.1 Decimal Number System

1.2 2 Abstract Symbols

1.2.3 Negative Numbers

Susan plans to invest $400 at 15% annual interest compounded continuously. When will her investment triple in value?

Suppose $200 is invested at 6% annual interest compounded continuously. When will the investment be worth $800?

A printing machine valued at $3000 depreciates at a constant rate of 18% per year. In how many years will the machine be worth $750?