Translate the sentence into a mathematical equation. Be sure to identify the meaning of all symbols.Speed is measured by distance divided by time.
A. If S represents speed, d distance, and t time, then S = 
.
B. If S represents speed, d distance, and t time, then d = 
.
C. If S represents speed, d distance, and t time, then S = 
.
D. If S represents speed, d distance, and t time, then t = 
.
Answer: A
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Solve the problem.Suppose the sales of a particular brand of appliance satisfy the relationship 
, where S(x) represents the number of sales in year x, with 
corresponding to 1982. Find the number of sales in 
A. 5540 B. 5350 C. 10,890 D. 11,080
Draw a sketch to represent the vector. Refer to the vectors pictured here. 
a + (c + d)
A. 
B. 
If A denotes the area of the sector of a circle of radius r formed by the central angle ?, find the missing quantity. If necessary, round the answer to two decimal places.? = 120°, A = 20 square meters, r = ?
A. 20.93 m B. 4.37 m C. 4.58 m D. 83.73 m
Add or subtract. Write the answer in lowest terms.
- 
A. 
B. 
C. 
D. 