A die is rolled twice. Write the indicated event in set notation.The sum of the rolls is either 3 or 4.
A. {(1, 2), (2, 1), (1, 3), (3, 1), (2, 2)}
B. {(1, 2), (2, 2)}
C. {(1, 2), (1, 3), (2, 2)}
D. {(2, 1), (3, 1), (2, 2)}
Answer: A
You might also like to view...
Find the sample standard deviation.15, 15, 15, 18, 21, 21, 21
A. 3 B. 7.7 C. 9.0 D. 2.8
Find area of figure. Round to the nearest hundredth if necessary.
A. 25
cm2
B. 11 cm2
C. 22 cm2
D. 30
cm2
Multiply and simplify any radicals in your answer. Assume that all variables represent positive real numbers.
(
- 
)
A. 3
+ 3
B. 
C. 12
D. 
- 
Solve the problem.Ken is 6 feet tall and is walking away from a streetlight. The streetlight has its light bulb 14 feet above the ground, and Ken is walking at the rate of 4.8 feet per second. Find a function, d(t), which gives the distance Ken is from the streetlight in terms of time. Find a function, 
, which gives the length of Ken's shadow in terms of d. Then find 
. What is the meaning of 
?
A. (S ? d)(t) gives the time in terms of Ken's distance from the streetlight. B. (S ? d)(t) gives the length of Ken's shadow in terms of time. C. (S ? d)(t) gives the distance Ken is from the streetlight in terms of time. D. (S ? d)(t) gives the length of Ken's shadow in terms of his distance from the streetlight.