Convert the numeral to the requested form.Some enumeration systems in the past were repetitive. If you want to represent three of something, you repeat the symbol for 1 three times. If you want to represent 30 things, you write the symbol for 10 three times, and so on. In ancient Egypt, the symbol for 1 was 
and the symbol for 10 was 
. How would you write the numeral for 40 in the Egyptian system?
A. 
B. 
C. 
D. 
Answer: B
Mathematics
You might also like to view...
Write as a decimal number rounded as indicated.0.
; Round to the nearest thousandth.
A. 0.949 B. 0.95 C. 0.950 D. 0.944
Mathematics
Solve the problem.Suppose a cost-benefit model is given by y = 
, where y is the cost in thousands of dollars for removing x percent of a given pollutant. Find the cost of removing 40% to the nearest dollar.
A. $1867 B. $2800 C. $1120 D. $666
Mathematics
Use a graphical method to solve the equation over the interval [0, 2?). Round results to the nearest hundredth.sin 4x + sin 2x = 2cos x
A. {1.57, 4.71} B. {1.57, 3.67, 4.71, 5.76} C. {0.52, 1.57, 2.62, 4.71} D. {1.57, 4.01, 4.71, 5.42}
Mathematics
Multiply.(3r + 9s)(3r - 9s)
A. 9r2 + 54rs - 81s2 B. 9r2 - 54rs - 81s2 C. 9r2 - 81s2 D. 3r2 - 54rs - 81s2
Mathematics