Answer:
Step-by-step explanation:
Dentist's Office = 5/6 of an hour. An hours is 60 minutes
therefore he spent 5/6 x 60 = 50 minutes at the Dentist
1/10 of those 50 minutes were spent in the waiting room that is 1/10 x 50 = 5 minutes
Therefore Sam Spent 45 minutes at the Dentist office
I think the second part of your question is missing
Answer:
0.25
Step-by-step explanation:
-5x - 10x = -15x
-15x = -60
x = 0.25

Ok so first, let's combine the like terms on the right side by adding them

Now we look at them put back together

Now you have to move all your y's to one side and numbers without a variable to the other. So, for this we're going to add 6y to 7y on the right so the left side cancels out.

On the other side we subtract 6 from 19

and now to get the answer for y we divide 13 by 13 to get your answer of 1 :)
Answer:
C
Step-by-step explanation:
U need to use the distributive property ok? The u have to add or subtract the number on both sides bring it down and the you have to divide