Answer:
∠B ≈ 56.25°
Step-by-step explanation:
Since the triangle is right use the cosine ratio to solve for B
cosB = 
= 
= 
, thus
B = 
( ) ≈ 56.25°
Answer:
60
Step-by-step explanation:
180-140=40, 180-(80+40)=60
Answer:
They would have about $2500 after one year
Step-by-step explanation:
Answer:
4y
Step-by-step explanation:
A coefficient is a number with a variable and no sign in between them.
Answer:
3/6 or 1/2
Step-by-step explanation:
If there is 1 green, 2 yellow, and 3 red marbles in the bag then there are 6 marbles total. She can only pull out 3 red ones seeming there are only 3 in the bag. Therefor the probability of her choosing a red marble is 3/6 or reduced to 1/2
