Answer:
x=3
y=4
Step-by-step explanation:
By moving x to the right-hand side of the first equation we get y=-x+7, which we then substitute for y in the second equation. Solving gives x=3, which we can then put into the first equation and get y=4.
Answer:
36,000 cm or 393.70079 yards
Step-by-step explanation:
Answer:
Square root of -45 is a repeating decimal, 6.70820393
It is a real number and It is an irrational number
Step-by-step explanation:
You can divide 84 and 144 and convert the answer to a fraction.
Correct me if I am wrong.
Answer:
He is correct
Step-by-step explanation:
72 girls and 84 boys
Divide both numbers by 12
6 : 7
He is correct