Use an identity to write the expression as a single trigonometric function or as a single number.1 - 2 sin267.5°
A. - 
B. - 
C. 
D. 
Answer: B
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Evaluate the indicated partial derivative at the given point.z = 4xy - x2, 
A. 22 B. -69 C. -26 D. -14
Solve the problem. If the answer is an amount of money, round to the nearest dollar.Brand X copier advertises that its copiers run 19% longer between service calls than its competitor. If Brand X copiers run 55,500 copies between services, how many copies would the competitor run?
A. 30,663 B. 44,955 C. 46,639 D. 66,045
A 10-pound weight is lying on a sit-up bench at the gym. If the bench is inclined at an angle of 
, there are three forces acting on the weight. N is called the normal force and it acts in the direction perpendicular to the bench. F is the force due to friction that holds the weight on the bench. If the weight does not move, then the sum of these three forces is 0.
?
?
Find the magnitude of N and the magnitude of F. Apply the rules regarding the use of significant digits when determining your answers.
?
__________ lb
?
__________ lb
What will be an ideal response?
Change the following binary number to hexadecimal form.
What will be an ideal response?