Find the exact value of the expression.sin 25° cos 35° + cos 25° sin 35°

A.
B.
C.
D.


Answer: B

Mathematics

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Solve the problem.The growth rate of a certain tree (in feet) is given by y =  + e-t2/2 , where t is time in years. Estimate the total growth of the tree through the end of the second year by using Simpson's rule. Use 2 subintervals. Round your answer to the nearest hundredth.

A. 2.34 ft B. 3.41 ft C. 5.11 ft D. 3.68 ft

Mathematics

Solve and graph. Write the answer in set-builder notation. ? 7 

A. {x |x ? 21}
 
B. {x |x > 21}
 
C. {x |x < 21}
 
D. {x |x ? 21}
 

Mathematics

Solve the problem.Barry Newman's savings account has a balance of $1541. After 17 years, what will the amount of interest be at 6% compounded annually?

A. $924.60 B. $2599.56 C. $2613.56 D. $2608.56

Mathematics

Solve the problem.When making a telephone call using a calling card, a call lasting 3 minutes cost $0.65. A call lasting 11 minutes cost $1.45. Let y be the cost of making a call lasting x minutes using a calling card. Write a linear equation that models the cost of a making a call lasting x minutes.

A. y = 10x - 
B. y = -0.1x + 0.95
C. y = 0.1x - 9.55
D. y = 0.1x + 0.35

Mathematics