Answer:
Step-by-step explanation:
Let
x ----> the number of minutes
y ----> the total charge in dollars
we know that
For x>700 min
so
For y=48.10
substitute
Multiply by 100 both sides
----> equation without decimals
solve for x
To find out the total minutes we need to sum
Answer:
x = 1
y = 1
Step-by-step explanation:
3x + 2y = 5
3x - 2y = 1 (subtract these equations)
––––––––––––
4y = 4
divide by two
y = 1
input y = 1 the other equations
3x + 2 = 5
simplify
3x = 3
x = 1
2. 3/2x²
-1/2x²
1/4x²
5. -4x²-5 moves in 5 up on the y axis
6. I'm cant remember the trick to this one
7. This one should be D.
Hope This Helps!
Answer:
Step-by-step explanation:
Driving 55mph for two hours, he would travel 110 miles
Driving 70mph for one hour, he would travel 70 miles.
Driving 50mph for two hours, he would travel 100 miles.
Total Distance would be 280 miles.
Average speed would be (55+70+50)/3 = 58mph
If he drove 280 miles at 70mph, it would take 4 hours
Distance = Rate X Time
Answer:1/3
Step-by-step explanation:
It’s 4/12 so divide both numbers by 4 is 1/3