Answer:
B
Step-by-step explanation:
25% of 800 is 200, so 800-200 is 600
Answer:
C
Step-by-step explanation:
related equation
-16t^2 + 32t + 20 = 0
-4t^2 + 8t + 5 = 0
Δ/4 = 16 + 20 = 36
t1 = (-4 + 6)/-4 = -1/2
t2 = (-4 - 6)/-4 = 5/2
-16(t+1/2)(t-5/2)
-16(2t+1/2)(2t-5/2)
-4(2t+1)(2t-5)
Answer:
that's right
Step-by-step explanation:
Answer:

Using this condition we got:

And solving for b we got:

So then our linear function is given by:

Where y is the amount of fluid left and x the number of hours ellapsing
Step-by-step explanation:
We want to set up a linear function like this one:

Where y is the amount of fluid left, m the slope and b the initial amount. From the info given we know thatm = -300. And we also have the following condition:

Using this condition we got:

And solving for b we got:

So then our linear function is given by:

Where y is the amount of fluid left and x the number of hours ellapsing
Answer: b
Step-by-step explanation: