Which expression represents the calculation “add 5 and 6, then multiply by 3"?
1 answer:
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Answer:
Option A. -6.5
Step-by-step explanation:
we have
Solve for r
That means ---> isolate the variable r
Combine like terns left side of the equation
Divide by 0.5 both sides
Answer:
Step-by-step explanation:
a + b = + 2 = 2
=
, thus
(a + b)² = ( )² =
×
=
=