2a + 2b = c
Subtract 2a from both sides
2b = -2a + c
Divide both sides by 2
b = -a + (c/2)
Answer: $18.15
Step-by-step explanation:
$ 4.50 + $13.65 = total amount due
A domain is an input that you put in an equation(x). A range is an output (y) that is the result of a certain input.
Hope this helps and please mark as brainliest!
Because angleCBD+angleBDC+angleC=180
so angleCBD+angleBDC=180-angleC=180-82=98
because BC=DC
so angleCBD=angleBDC
so 2 angleCDB=98
so angleCDB=49
so y=29
by Joy Xu,紫馨雪汐
3000
/ 270
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11.111111111111111111111111r
r = reoccurring