Provide an appropriate response.Solve the word problem using a system of equations with two unknowns:On one job, 3 master electricians and 5 apprentices earned $1,900. On a second job, 4 master electricians and 3 apprentices earned $1,800. How much did each master electrician and each apprentice earn per job?
Fill in the blank(s) with the appropriate word(s).
M = $300, A = $200
Mathematics
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Suppose you have the following project digraph. (The numbers in parentheses represent hours.)
The length of the critical path from B is
A. 13 hours. B. 18 hours. C. 21 hours. D. 5 hours. E. none of these
Mathematics
Solve the problem.The gravitational attraction A between two masses varies inversely as the square of the distance between them. The force of attraction is 4 lb when the masses are 3 ft apart, what is the attraction when the masses are 6 ft apart?
A. 1 lb B. 3 lb C. 2 lb D. 4 lb
Mathematics
Simplify the radical.
A. - 
B. -6
C. - 
D. 
Mathematics
Use the fundamental identities and appropriate algebraic operations to simplify the expression.1 - 
A. cot x B. tan x C. 0 D. sin x
Mathematics