(4,-5) let me know if im wrong if im right plzeee give me brainliestt
Answer:
The answer would be...5(x + 2y minus 3)
(2,3) is your answer for the equation
It is already in identity.
cos (x - y) - cos (x + y) = 2 sin(x) sin (y)
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
