Solve.0.7 times the sum of k and 1.1 is equal to 0.41 plus the product of 1.3 and k. Find k.
A. 0.8
B. 0.7
C. 0.5
D. 0.6
Answer: D
Mathematics
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The position vector of a particle is r(t). Find the requested vector.The velocity at t = 
for r(t) = 2sec2(t)i - 2tan(t)j + 9t2k
A. v
= 8i + 4j - 
?k
B. v
= 8i - 4j + 
?k
C. v
= -4j - 
?k
D. v
= -4j + 
?k
Mathematics
Find the range for the set of data given.
A. 1 B. 18 C. 4 D. 17
Mathematics
Insert grouping symbols so that the expression has the desired value.3 + 2 ? 8 - 2 results in 15
Fill in the blank(s) with the appropriate word(s).
Mathematics
Simplify the expression using the order of operations.0 ÷ 8 + 7 ? 4
A. 28 B. 36 C. 60 D. undefined
Mathematics