5x ≥-50
The answer is: x<span>≥-10</span>
Answer:
I think c?
Step-by-step explanation:
Answer:
D is the correct answer :)
It's 1000% accurate
Hello,
A nickel is $0.05
A dime is $0.10
Let's x the number of dimes
44-x the number of nickels
0.10*x+0.05*(44-x)=3.10
==>10x+5*(44-x)=310
==>10x-5x=310-5*44
==>5x=90
==>x=18
There are 18 dimes and 44-18=26 nickels having a value of 26*$0.05=$1.30
Answer B
Answer:
0
Step-by-step explanation:
Hello, please consider the following.
For any a and b real numbers we can write.
We apply this formula two times here, as below.
We have the coefficient of 1 for 
and the constant term is -1, so the sum of the coefficients is 0.
Thank you.
