Express the sum or difference as a product of sines and/or cosines.cos (6?) + cos (4?)
A. 2 cos (5?) cos ?
B. 2 cos (5?)
C. 2 sin (5?) sin ?
D. 2 cos (5?) sin ?
Answer: A
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Compute r, the linear coefficient of correlation, for the given data.Two separate tests are designed to measure a student's ability to solve problems. Several students are randomly selected to take both tests and the results are shown below.
A. 0.109 B. 0.867 C. 0.548 D. 0.714
Decide whether the relation is a function.?
A. Function B. Not a function
Write the number in standard form.Six hundred thirty-eight thousand, nine hundred ninety-seven
A. 638,997,000 B. 638,977 C. 638,000 D. 638,997
Solve.The nutrition chart on a bag of flavored pretzels says that each serving contains 2.6 grams of saturated fat. The chart also says that there are 5 servings in the bag. How many grams of saturated fat are in the entire bag of pretzels?
A. 12.9 g B. 13 g C. 12.5 g D. 7.6 g