Answer:
C
Step-by-step explanation:
The trick to solving this problem is to know and remember that the sum of all the interior angles of a triangle is always 180 degrees.
Thus, (6x+1) + (5x-17) + (9x-24) = 180.
20x = -40, so x = -2 (answer)
part of the whole painting is gold colored.
<u>Solution:</u>
Given that , In art class, Arthur has created a triangle painting
of his painting is purple.
He decided he wants to Paint
of the purple area gold
We have to find what fraction of the whole painting will be painting?
Now,
part of whole painting is purple
And,
part of the purple area is gold ⇒
part of the
part of whole painting is gold

Hence,
part of the whole painting is gold colored.
Answer:
(d) 0.8736
Step-by-step explanation:
Unless you have a table of the normal distribution available, this is a calculator problem. Your calculator, or any spreadsheet, can tell you the probability is ...
P(-1.23 ≤ z ≤ 2.12) ≈ 0.8736