Answer:
SA = <em>41.</em>
Step-by-step explanation:
Add up everything and you get <em>41 </em>as the SA.
Answer:
6.5
Step-by-step explanation:
5.1+7.9=13
13 divided by 2
= 6.5
Because logarithms were a lot less time-consuming than other methods of finding roots. They were also more accurate in the sense that it was harder to make a mistake.
Answer:
20 dollars
Step-by-step explanation:
1449 Rs ÷ 72.45 Rs (the exchange rate) = 20 dollars.
Answer:
x=3
Step-by-step explanation:
6 10
---------- = ------------
6+x 15
using cross products
6 * 15 = 10 * (6+x)
90 = 60+10x
subtract 60 from each side
90-60 = 60+10x-60
30 = 10x
divide by 10
30/10 = 10x/10
3=x
