Cheyenne ran a 4-kilometer race in 40 minutes.what was her speed in kilometers per hour?
1 answer:
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(d) ,
,
(e) 68, 82, 96
(d) note that the terms have a common ratio ( r )
r = =
=
to obtain any term in the sequence, multiply the previous term by
75 × =
×
=
×
=
(e) note that the terms have a common difference (d )
d = 26 - 12 = 40 - 26 = 54 - 40 = 14
to obtain any term in the sequence, add 14 to the previous term
54 + 14 = 68
68 + 14 = 82
82 + 14 = 96