Answer:
10
Step-by-step explanation:
Fill in what A and B equals
(2+3)2
solve for inside the parentheses
(5)2
then multiply
5×2=10
therefore the answer is 10
It will take 30 minutes more for remaining grass.
As he mowed 40% in 20 minutes, it shows that he mows twice percentage of grass in the time calculated in minutes.
So it will take 30 minutes for remaining 60% grass.
Answer:
Because Douglas Adams said that it was the answer to life, the galaxy, the universe and everything in the Hitchhiker's Guide to the Galaxy, and it was just a joke, but now people are obsessed over it.
Step-by-step explanation:
Answer:
Solution
Step-by-step explanation:
Rewrite logx729= 3 is an exponential form using the definition of a logarithm. If x and b are positive real numbers and b≠1, then logb(x)= y is equivalent to b^y = x.
X^3 = 729
Take cube root on both side and we get
x= 3√729
now we firstly simplify the 3√729
Rewrite 729 as 9^3
x = 3√9^3
pull terms out from under the redical, assuming positive real numbers
x=9
verify each of the solution by substituting them into logx729=3 and solving.
x= 9
