Answer: The letter "x" is often used in algebra to mean a value that is not yet known. It is called a "variable" or sometimes an "unknown". In x + 2 = 7, x is a variable, but we can work out its value if we try!
Step-by-step explanation:
Answer:
Circumference of wheel=πd
Circumference of wheel =22*2.1/7
Circumference of wheel =6.6 Mrs
It coveres 6.6mtrs in one round
Then in 100 rounds it will take 6.6*100=660mtrs
I think that it
I’m so sorry I need points but I’m gonna manifest that someone smarter will see this and answer
Hi there!
Find the y-intercept by substituting in 0 for x:
f(0) = 0² + 2(0) + 3
Simplify:
f(0) = 3
