Use a calculator to find the approximate value of the expression rounded to two decimal places.cos 72°
A. 0.36
B. -0.97
C. -0.92
D. 0.31
Answer: D
Mathematics
You might also like to view...
For the supply equation 
, where x is the quantity supplied in units of a thousand and p is the unit price in dollars, determine the price at which the supplier will make 2 units of the commodity available in the market.
?
$__________
Fill in the blank(s) with the appropriate word(s).
Mathematics
Find the product.3(7x)
A. 10x B. 10 C. 21 D. 21x
Mathematics
Subtract.(3.1x3 - 6.1x2 + x - 4) - (8.1x3 - 2.7x2 + x + 1)
A. 11.2x3 - 3.4x2 - 5 B. -5x3 - 3.4x2 - 2x + 5 C. -5x3 - 8.8x2 + 2x - 5 D. -5x3 - 3.4x2 - 5
Mathematics
Solve the given equation by finding the unknown value.? ? 9 = 144
A. 16 B. 9 C. 144 D. 1296
Mathematics