Answer:

Step-by-step explanation:
⟾Collect like terms
⟾Move the variable to the left
⟾Collect like terms again
⟾Divide both sides by -3
⟾ x = 45 ÷ 3
Hope it's helps you
Answer:
160002 feet
Step-by-step explanation:
y(t)=-16t^2+3200t+2
We need y’ to find a maximum
y’(t)=-32t+3200
y’(t)=0 if t=100
Notes that y’(t)>0 if t<100, and fot t>100 y’(t)<0. Now we can conclude that y(t) has maximum in t=100
Y(100)=-16*10000+3200*100+2
Y(100)=160002 feet
Answer:
x=7.5
Step-by-step explanation:
To solve this, cross multiply
3/4=x/10
4*x=3*10
4x=30
Divide by 4 on both sides
x=7.5
Hope this helps! :)
Answer:
Hope this helps :) If it doesn't I can see what I can do
Answer:
4x-y=-9
Step-by-step explanation: