Provide an appropriate response.A = ?r2 is the formula for the area A of a circle with radius r. A circular tablecloth has an area A. What is its radius?
Fill in the blank(s) with the appropriate word(s).
r = sqrt((A/?))
Mathematics
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Provide an appropriate response.Solve +
=
for b.
A. b =
B. b =
C. b =
D. b =
Mathematics
Find a formula for a n for the arithmetic sequence if a 1 = 4 and d = 7.
a. a n = –7n + 11 b. a n = 7n – 3 c. a n = 7n + 3 d. a n = –7n + 3
Mathematics
Solve the equation by completing the square.a2 - 8a = 20
A. {±}
B. {10, -2}
C. {-10, 2}
D. {-18, -2}
Mathematics
Solve the equation.-4b = 48
A. {-52} B. {52} C. {1} D. {-12}
Mathematics