Find the indicated nth partial sum of the arithmetic sequence. 1.5, 3.1, 4.7, 6.3, ...., n = 40

a. 1,234
b. 1,308.1
c. 1,308
d. 1,307.9


c. 1,308

Mathematics

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Provide an appropriate response.Which kind of graph should be used with one set of data?

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Solve the problem.The area of a circle is found by the equation A = ?r2. If the area A of a certain circle is 144? square centimeters, find its radius r.

A. r = ± 12 cm
B. r = 12 cm
C. r = 12? cm
D. r = 12 cm

Mathematics

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Mathematics

The problem refers to a vector V with magnitude  that forms an angle with the positive x-axis. Give the magnitude of the horizontal and vertical vector components of V, namely  and 

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?

?

A. ?
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C. ?
D. ?
E.

Mathematics