Answer:
12.3 + 0.61 +100= 112.91
Step-by-step explanation:
All you have to do is make all the values have two place values and then add.
Answer:
The simulation tool could be a coin flip, with heads up representing a girl and tails up representing a boy. One trial would require flipping the coin twice. One table would show the outcome of two coin tosses as tally marks, and indicate whether the results were boy-boy, boy-girl, or girl-girl.
Aaron is 11 and Laura is 12.
Step-by-step explanation:
For a quadratic in the form of , the solutions for can be found using the quadratic formula:
(1)
First, let's get the values for :
Next, let's plug them into the quadratic equation:
With this, we know the two solutions for are
(2)
First, let's get the values for :
Next, let's plug them into the quadratic equation:
With this, we know the only solution for is .
Answer:
D(9, 1)
Step-by-step explanation:
A being the midpoint means its coordinates satisfy ...
A = (E + D)/2
Solving for D, we find ...
D = 2A -E
= 2(4, 5) -(-1, 9) = (2·4 +1, 2·5 -9)
D = (9, 1)