Here you go, hope it helped you out
Answer:
15
Step-by-step explanation:
3x+2y=33
2x+3y=42
Add the two equations together:
5x+5y=75
Divide both sides by 5:
x+y=15
Hope this helps!
Answer:
NO.
Step-by-step explanation:
If the 2 prime numbers are odd then the product cannot be a square number because the only factors are the original prime numbers. If one of the prime numbers is 2 then the product will be an even number , but again the only factors will be 2 and the other prime number.
So the answer is No.
Answer:
7%
Step-by-step explanation:
(15/220) x 100 = 6. 8182 = 7%
to convert to percentage multiply by 100
To convert to the nearest whole number, look at the first number after the decimal. If it is greater or equal to 5, add 1 to the number after the decimal. 8 is greater than 5, so add one to 6