Answer:
60n seconds
Step-by-step explanation:
In 1 min, there are 60 seconds
So,
1 min = 60 secs
For n minutes, it becomes:
=> 60n seconds
Answer:
Step-by-step explanation:
If you reverse the distributive property you would get something like this. You can double check if you want.
Answer:
The ratio is or
Step-by-step explanation:
Let
x -----> the number of girls who chose blue as their favorite
y ------> the number of girls who chose green as their favorite
z ------> the number of girls who chose pink as their favorite
w ------> the number of girls who chose red as their favorite
see the attached figure to better understand the problem
we have
x=4
y=2
z=5
w=1
we know that
The ratio of the number of girls who chose blue or green as their favorite to the number of girls who chose pink or red as their favorite is
substitute the values
Simplify
Answer:
10x + 18
Step-by-step explanation:
First, we need to add like terms. Like terms are terms that are alike. For instance 8x and 2x are like terms. 15 and 3 are also like terms.
So, we have to add 8x plus 2x and 15 plus 3. That’s comes out to 10x plus 18.
Therefore, this expression is equivalent to 10x + 18.