ssent05 ssent05

02-08-2021
Mathematics

contestada

10.

Define an operation ★ on the set of real numbers as follows:

a ★ b = 0.5ab

If 0.1 ★ b = 10, then evaluate bb.

a. 500

b. 200

c. 20

d. 50

Please explain how you got your answer.

Respuesta :

LammettHash LammettHash

02-08-2021

If a ★ b = 0.5ab, then

0.1 ★ b = 0.5 (0.1) b = 0.05b = 10

==> b = 10/0.05 = 200

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