Answer:
135 meters
Step-by-step explanation:
h = 60t - 5t²
t is in seconds and it says to find out the height after 3 seconds
Sub the value '3' into 't'
h = 60(3) - 5(3)²
h = 180 - 5(9)
h = 180 - 45
h = 135 m
Answer:
i have no idea
Step-by-step explanation:
Answer:
x = 9
Step-by-step explanation:
Distribute
2x+2*5=3x+1
2x+10=3x+1
Subtract 3x from both sides
-x+10=1
Subtract 10 from both sides
-x=-9
Multiply both sides by -1
x=9