The answer is x=7/2
Because u have to distribute then subtract and last add 38 to both sides
Answer:
question 2 is B. 3 units down
question 3 is B. 4 units down
Step-by-step explanation:
graphed it again luv <3
Answer:
-10
Step-by-step explanation:
9^-8 x 9^-2 = a^b
We know that x^y * x^z = x^(y+z)
9^-8 x 9^-2 = 9^(-8+-2) = 9^(-10)
a= 9
b = -10
So the question sets the problem with a bunch of different values given but it goes ahead does the work of putting them into an equation, since this equation they made gives us the position, when it is equal to zero the object has impacted the ground. Setting it to zero allows us to solve for t, the time at which it strikes the ground.
0 = -4.9t^2 + 19.6t + 58.8, because this is a quadratic, and a complicated one at that, we will use either a calculator, or the quadratic formula to solve for t.
No matter what way you solve it you will get two values, only the positive value applies because a negative value for time is illogical.
The answer is at t = 6 seconds
So you have to divided 84 divided by 3 to figure out how much kids in each class. when you divide you get 28. So 28 kids in each room.....hope I helped.
