Answer:
Rational numbers are numbers that can be written as fractions, unlike π, which never ends and cannot be expressed as a fraction.
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Answer:
g=7
Step-by-step explanation:
-2=g-9
switch sides
g-9= -2
add 9 to both sides
g-9+9= -2+9
simplify
g=7
Answer:
Refer to the picture above
Set up the following equations:
x represents car A's speed, and y represents car B's speed.
We'll use elimination to solve this system of equations. Multiply the first equation by 7:
Combine both equations:
Divide both sides by 28 to get x by itself:
The speed of car A is
80 mph.Since we now know the value of one of the variables, we can plug it into the first equation:
Subtract 160 from both sides.
Divide both sides by 2 to get y by itself:
The speed of car B is
60 mph.
The answer is B don’t ask how I got the answer because it’s really long and complicated