Step-by-step explanation:
For the quadratic equation to have 1 repeated real solution, the discriminant b² - 4ac must be zero.
=> (-z)² - 4(z - 5)(5) = 0
=> z² - 20(z - 5) = 0
=> z² - 20z + 100 = 0
=> (z - 10)² = 0
Therefore z = 10.
6 sets of birds were in a brown crate and 2 sets of birds were in a green crate? How many birds altogether were in those crates.
Well first you need to show the rest of the problems before i can truely help you sorry.
The answer is D because , 4x176 = 704 which you divide by 60 because thats how many minutes are in an hour which should come out to 11 hours
Answer:
Step-by-step explanation:
The not simplified form is 
you know that 
is true a and b are both positive or one of it is negative (not both of them).
You can write -44 as -1 × 4 × 11 inside square root.
So, 
(
)
(NOTE : You must know that 
is written as 
)
