Answer:
Step-by-step explanation:
Let's start by using change of base property:
So, for
Now, using change of base for
You can express as:
Using reduction of power property:
Therefore:
As you can see the only difference between (1) and (2) is the coefficient :
So:
Answer:
3rd one is no. the others are all yes
Answer: 21/5
Step-by-step explanation:
Complete question :
A bookstore manager marks down the price of older hardcover books, which originally sell for b dollars, by 52%.
a. Write the markdown as a decimal. b. Write an expression for the sale price of the hardcover book.
Answer:
0.52 ; 0.52b
Step-by-step explanation:
The markdown percentage = 52%
Expresaing markdown as a decimal :
52% = 52 / 100 = 0.52
Expression for the sale price of hardcover book:
Original price = b
Price was marked down by 0.52
Hence, sales price becomes ;
Original price * markdown
b * 0.52
0.52b
Answer:
9
Step-by-step explanation:
6+x, when x = 3
6+(3)
6+3=9