Answer:
12.3-7.9x
Step-by-step explanation:
8.9+3.4=12.3
-1.4x+(-6.5x)=-7.9x
Both charms are "similar".
And notice one diameter is 1, the other is 4, the diameters are on a ratio of 1:4 then, and so both figures are on a ratio of 1:4.
so, if another unit, like the circumference is at 3.14 on the small one, then the large one will have a circumference 4 times that much, because the circumferences are also on a 1:4 ratio.
Answer:
Quinn is a contestant on a quiz show. Quinn's score changes by -15 points for 4 questions in a row. ) What is the total change in Quinn's score?
Answer:
4.5miles
Step-by-step explanation:
divide 28 by 3 to get 9.333 minutes each mile
then divide 42 by 9.333 to get 4.50 miles
Answer:
- Reduction of Gasoline Consumption
- Increase in Miles Per Gallon by 3.
Step-by-step explanation:
Previous Rate of Gasoline Consumption = 15 miles per gallon
Rate of Gasoline consumption after Tune Up = 18 miles per gallon
The difference in Gasoline Consumption = 18-15 =3 miles per gallon
Since the difference is positive, Lisa noticed she got 3 extra miles for every gallon of gasoline. That is, her gasoline consumption reduced.