Answer:
it's 70°
Step-by-step explanation:
well first by vertical angles we know that
( I don't know how to put the symbol xd)
and given we know that
solving for x
we know that
and now for
Gina has 500 minutes of talk time on her cellphone. She uses 30 minutes every time she makes a call. Write an
2 answers:
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Answer:
x=13 feet
Step-by-step explanation:
A ramp is between 1.96 and 1.80 feet, we will take 1.96
and R(x)=1.96 feet: we apply quadratic formula;
, where a=-0.05, b=0.8 and c=-1.96, so
solving
; we take the highest value of x, x=13