Fill in the blank with one of the words or phrases listed below.
An angle whose measure is between 90° and 180° is called a(n)
angle.
A. right
B. obtuse
C. straight
D. acute
Answer: B
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Solve the problem.An electric company has the following rate schedule for electricity usage in single-family residences:Monthly service charge $4.93Per kilowatt service charge1st 300 kilowatts$0.11589/kWOver 300 kilowatts$0.13321/kWWhat is the charge for using 300 kilowatts in one month?What is the charge for using 375 kilowatts in one month?Construct a function that gives the monthly charge C for x kilowatts of electricity.
What will be an ideal response?
Solve the problem.Hooke's Law for an elastic spring states that the distance a spring stretches variesdirectly as the force applied. If a spring stretches 0.6 m when a 4-kg weight is attached to it, how much will it stretch when a 10-kg weight is attached to it?
A. 4.5 m B. 3.5 m C. 0.5 m D. 1.5 m
Determine the dual in matrix form of the given problem.Minimize [5 -8 -6] 
subject to 
? 
and 
? 
What will be an ideal response?
Use back-substitution to solve the system of linear equations.
?
?
A. ?
B. ?
C. ?
D. ?
E. ?