a = 6, b = 4, and c = 5. Using the Law of Cosines, solve for angle A.
a. 55.77ø
b. 82.82ø
c. 53.13ø
d. 41.40ø
e. 75.30ø
b. 82.82ø
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A certain type of battery cost $1.50, and another battery cost $4.00. A recent shipment contained 2200 batteries, and the bill totaled $5050. How many of the cheaper batteries were in the shipment?
What will be an ideal response?
Translate the statement into an inequality. Use x as the variable.You must be at least 49 inches tall to ride this roller coaster.
A. x ? 49 B. x ? 49 C. x > 49 D. x < 49
Provide an appropriate response.What is the graph of an equation in three variables?
A. A plane B. A pyramid C. A line D. A triangle
Solve the problem.A wheel with a 36-inch radius is marked at two points on the rim. The distance between the marks along the wheel is found to be 9 inches. What is the angle (to the nearest tenth of a degree) between the radii to the two marks?
A. 12.3° B. 14.3° C. 10.3° D. 16.3°