Find the exact value of the trigonometric expression without the use of a calculator.If sin ? = 
, 
< ? < ? and cos ? = 
, 0 < ? < 
, find the exact value of sin (? - ?).
A. 
B. 
C. - 
D. 
Answer: A
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The following data show the mass M, in solar masses, and the relative luminosity L (the ratio of a star's luminosity to that of the sun) of various stars. Star Spica Vega Altair Sun 61 Cygni A M 7.3 3.1 1 1 0.17 L 1050 55 1.1 1 0.002? A: Use power regression to model the luminosity as a function of the mass. Use two digits of accuracy for the coefficient and for the power.B: What is the mass of a star with a relative luminosity of 6.43? Round your answer to two decimal places.C: If one star has a mass of 17 times that of another, how do their luminosities compare? Round your answer to two decimal places.
What will be an ideal response?
Use the two steps for solving a linear programming problem to solve the problem.Suppose that Janine desires 46 grams of protein and 38 grams of dietary fiber daily. One serving of kidney beans has 8 grams of protein and 6 grams of dietary fiber. One serving of refried pinto beans has 6 grams of protein and 6 grams of dietary fiber. If a serving of kidney beans costs $0.45 and a serving of refried pinto beans costs $0.35, then how many servings of each should Janine eat to minimize cost and still meet her requirements?
A. 
servings of refried pinto beans and no kidney beans
B. 4 servings of refried pinto beans and 
servings of kidney beans
C. 
servings of kidney beans and no refried pinto beans
D. 
servings of refried pinto beans and 4 servings of kidney beans
Write the series with summation notation.6 + 2 + 
+ 
A. 
B. 
C. 
D. 
Calculate 
.A = 
A. -41 B. 41 C. -29 D. -39