Answer:
7 seconds
Step-by-step explanation:
Distance of the coin above the water is modeled by the equation
where is time taken to cover the distance
Now equating with zero.
So, time taken by the coin to hit the water is 7 seconds.
Answer: 1.02
Step-by-step explanation:
5x+7y=105
There are four variants are possible
1. You sold 15 adult tickets
2. You sold 7 student tickets and 10 adult tickets
3. You sold 14 student tickets and 5 adult tickets
4. You sold 21 student tickets.
Answer:
x=1/2. y=4
Step-by-step explanation:
4(2x+3y=13)=8x+12y=52
2(4x-y=-2)=8x-2y=-4
subtract equation one from equation two to get
14y=56 then u will divide bothe sides by 14. for x u substitute y in equation one