The first number is x
the second number is 2x-4
combine both numbers = 80
x+2x-4=80
3x-4=80
3x=84
x=28
one number is 28 and the other is 52.
4.33333 in simplified fraction form is 4 1/3, and in mathematics a number is considered rational if it can be written as a fraction. So the answer to your question is yes, 4.3333333333............ is a rational number.
Answer:
707 feet above sea level
Step-by-step explanation:
2 hours and 25 minutes is about 2.4167 hours.
Therefore:
y=8.77x+686
y=8.77(2.4167)+686
y=21.1944+686
y=707.1944
So the hiker's elevation will be approximately 707 feet above sea level
I take the second equation <span>x=5y+2
and substitute x in the first one:
means instead of
y = x + 5
y = (5y+2) + 5
I think you have to choose second answer
</span>
Answer:
B. 3(y-5)/2. Once it's multiplied it equals 3y/2 - 15/2
Step-by-step explanation: