Answer:
6.32
Step-by-step explanation:
:|
Work shown above! x = 7
To solve use the supplementary angle next to the unknown angle to find an expression for that unknown angle and use that with the expressions inside the triangle to set equal to 180 and solve for x.
hope this helps c:
Answer:

Step-by-step explanation:
You can use these Cramer's formulas to solve for x and y:

where

So,

There are 13 total hearts in the deck, which leaves 39 non-hearts. You're drawing a hand of five cards, so the probability of getting exactly 3 hearts is

as required.
Answer:123 degrees
Step-by-step explanation:
360-54-97-86=123