Solve the problem.In 2008 an outdoor mall was open throughout the year. The number of shoppers averaged 5000 on sunny days, 4000 on cloudy days, 1200 on rainy days, and 3000 on snowy days. The percentage of days of each type in 2008 is given in the following table. Find the average number of average shoppers per day at the mall for 2008. 

A. 3943
B. 3826
C. 3300
D. 2100
E. 1240


Answer: B

Mathematics

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The vector r(t) is the position vector of a particle at time t. Find the angle between the velocity and the acceleration vectors at time t = 0.r(t) = ti + (t + t2)k

A. 0
B.
C.
D. ?

Mathematics

Provide an appropriate response.If the ordered pair (3, 10) belongs to function g, then g() = .

A. 10; 3 B. 3; 10 C. y; 3 D. x; 10

Mathematics

Find all indicated roots. Write your answer in the specified form.Eighth roots of i; trigonometric form

A.  + i,   - i, -  + i, -  - i
B. 1, -1, i, -i
C. 1, -1 , i, -i,  + i,  - i, -  + i, -  - i
D. cis , cis , cis , cis , cis , cis , cis , cis 

Mathematics

Simplify the trigonometric expression by following the indicated direction.Rewrite in terms of sine and cosine: tan x ? cot x

Fill in the blank(s) with the appropriate word(s).

Mathematics