The sum of twice a number and 5 is less than 17
1 answer:
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Answer:
This simple formula: area = 1/2 x perimeter x apothem.
It means: Perimeter × the sum of the lengths of all the sides.
Hope it helps!<3
Answer:
QR ≈ 16.3
Step-by-step explanation:
Since the figures are similar then the ratios of corresponding sides are equal, that is
=
, substitute values
=
( cross- multiply )
57 QR = 926.9 ( divide both sides by 57 )
QR ≈ 16.3 ( to the nearest tenth )
Answer:
Step-by-step explanation:
Well to start with there is a vertex formula which is ,
Your initial equation is where
. So you would plug in your numbers
we know know that
so plug in h in
which would be (-2)^2+4(-2)+8 = 4-8+8 = 4 which would make the vertex