zoeyanai1
04.02.2021 •
Mathematics
HELP ASAP !!
Select all expressions that are TRUE.
A) - 5 + 6x + 9x = 3x + 5
B)9x - 5 - 6x = 3x + 5
C)5 - 6x + 9x = 3x + 5
D)- 6x + 9x - 5 = 3x + 5
E)9x - 6x + 5 = 3x + 5
Solved
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Ответ:
Step-by-step explanation:
(x)7 steak(dependent variable) = $44.10
(y)11 steak(independant variable)=$69.30
y=kx
11/7=1.57142857143
reduce that to 3 decimal spaces
y=1.57x
y=1.57(7)
11=1.57(7)
or
cross multiply
7 × $69.30 and 11 × $44.10
and get 485.1 for both