Dolls : teddy bears
6 : 7
if 120 dolls are equal to 6 portions,
7 portions,
(120/6) * 7
140 teddy bears
Answer:
sin A = 40/41
tan A = 40/9
cos A = 9/41
Step-by-step explanation:
sin theta = opp/ hyp
tan theta = opp/ adj
cos theta = adj/ hyp
We want to find the measures for angle A
sin A = 40/41
tan A = 40/9
cos A = 9/41
Answer:
and this Z-score is “unusual.”
Step-by-step explanation:
To calculate the Z score use the following formula
Where
μ is the average
is the standard deviation
x is the data to which we will calculate the z-score
In this case
So
A z-score is unusual if 
or 
Finally
and this Z-score is “unusual.”
Answer:
400
Step-by-step explanation:
1.4 times by 240 is 400
Step-by-step explanation:
supplentary means they add to 180
so you can make the formula 180 = 10x + 80
then solve for x
