Answer:
Dori:3x+3y=11.25
Nemo:4x+2y=10
Step-by-step explanation:
Let x and y represent tacos and double Deckers respectively.
For three tacos and three double Deckers, Dori pays $11.25
Writing an equation the statement, we obtain
3x+3y=11.25
Also,for four tacos and two double Deckers, Nemo pays $10
This implies
4x+2y=10
The mean is the average.
i’ve found this a helpful way to remember:
the medians the middle
the mean old average
Answer:
Step-by-step explanation:
It must end in 
(divisible by 2 rule) and the digits must sum to a multiple of 9(divisible by 9 rule).
The digit sum is 
.
We want to make 
as low as possible because it's a higher digit than 
.
If is as low as possible, we have that the sum is 
. Uh-oh. has to be even! So 
doesn't work.
If 
, we have that the sum is 
. Yay!
So, the answer is 
Answer:
10a+b+9c
Step-by-step explanation:
first you have to join the like terms then you add them then you write the answer, I hope you understood
9c+5a+5a+b
9c+10a+b
10a+b+9c
Answer: C 1 - 5i
Step-by-step explanation:
1 is real part graphed sideways
- 5i is imaginary part (that’s what the i means)
And is graphed up and down
