Answer:
Step-by-step explanation:
see the attached figure , to better understand the problem
we have
where
A(b) ---> is the trapezoid's area
b ---> is the other base value
Solve the equation for b
That means ----> isolate the variable b
Divide 12 by 2 right side
Divide by 6 both sides
subtract 9 both sides
Rewrite
Convert to function notation
Ivy and Andrey were asked to find an explicit formula for the sequence -100,-50,0,50,...−100,−50,0,50,...minus, 100, comma, minu
Arturiano [62]
Answer:
C. Both Ivy and Andrey is the correct answer.
Step-by-step explanation:
Answer:
I think AAS can be used
Step-by-step explanation:
Answer:
534. 75
Step-by-step explanation:
let the income of kellys sister be x
kellys income=x+15% of x
=23x over 20
x+23x/20=999. 75
or, x=465
kellys income=23×465/20
=534. 75
