Answer:
x = 2
Step-by-step explanation:
4x +4=12
-4. -4
4x.= 8
divide both saide by 4
x. = 2
1) we calculte the driver´s unit rate of speed.
s=speed
d=distance
t=time.
s=d/t
45 miles------------------3/4 hour
x----------------------------- 1 hour
x=(45 miles * 1 hour) / (3/4 hour)=60 miles.
speed or rate=60 miles / 1 hour.
2)we calculate the distance traveled at 1.25 hour.
distance=rate * time
distance=(60 miles /1 hour) * 1.25 hour=75 miles.
Answer: the driver would´t go late, because, the distance is 65 miles, and he can travel 75 miles if he drive with that speed .
Answer:
Step by step explanation:
first we will change the terms with negative superscrips to the other side of the fraction
then we will distribute the superscripts
as when multiplying two powers that have the same base, we can add the exponents and, to divide podes with the same base, we can subtract the exponents
then we will change again the terms with negative superscrips to the other side of the fraction
Answer:
Length: 10 inches
Step-by-step explanation:
Because we know that the total perimeter of the rectangle is 40, we can just divide the perimeter by the width, which gets us 10 inches (length).
40/4=10 inches
Answer:
75/2 or 37.5
Not sure if this is what you're looking for but i hope it helps anyway.
