Suppose a pair of dice are rolled. Consider the sum of the numbers on the top of the dice and find the probability.
?
8, given that at least one die came up 3
?
A. 
B. 
C. 
D. 
E. 
Answer: D
Mathematics
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Use a calculator to find the sum. Round the result to two decimal places.- 
+ 
A. -1.26 B. -0.64 C. 1.26 D. -8.05
Mathematics
Calculate the arc length of the indicated portion of the curve r(t).r(t) = 11t2i + 10t2j + 2t2k, -1 ? t ? 2
A. 22.5 B. 337.5 C. 675 D. 45
Mathematics
Find the limit using 
= 1.
A. 1 B. -1 C. 0 D. Does not exist
Mathematics
The loudness of a sound of intensity x, measured in watts per square meter, is defined as L(x) = log (
), where xo = 10-3.You have two friends, Jim and Amy. Jim always yells when he speaks, and Amy always whispers. The loudness of Jim's voice is 120 decibels, and the loudness of Amy's voice is 20 decibels. Determine how many times as intense Jim's voice is as compared at Amy's.
What will be an ideal response?
Mathematics