Answer:
x+3y+z=21
Step-by-step explanation:
x+3y+z
4+3(5)+2
4+15+2
21
Expanded form is a way to write numbers by adding the value of its digits.
Answer:
-16
Step-by-step explanation:
-32.3 - (-16.3).
we know:
-*- =+
-32.3 + 16.3
-16
Answer:
6.28
Step-by-step explanation:
Find the diameter by multiplying the radius by 2, then multiply the diameter by Pi, which in your case is 3.14
R times 2= diameter
D time Pi= area
Area = 6.28
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