dg12300

25.03.2021 • 

Mathematics

18) Solve the equation: (x – 3)(x + 8) = 0 A) x = 0, 3, or -8
B) x = 3 or -8
C) x = -3 or 8
D) x = 0, -3, or 8

19) (x + 3) (5x + 17) = 0. Which values are solutions to this equation? Choose all that apply.
A) 0
B) -3
C) 3
D) 3.4
E) -3.4

20) Solve the equation: 6(2x + 19) = 0
A) 6 or 9.5
B) -9.5
C) 6
D) 6 or -9.5

Ответ:

burners

22.12.2020

Mathematics

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25π square inches or 78.5 sq in

Step-by-step explanation:

circumference = π x diameter

thus

10 π inches= π x d

d = 10 inches

area of circle = π x d x d / 4

= π x 10 x 10 x 4

= 25π sq in

= 78.5 sq in

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