Answer:
x = 0
axis of symmbery = -b/2a or x vertex on quadratic equation
0/4=0
x=0
Step-by-step explanation:
The equation of a circle is (x - h)² + (y - k)² = radius² where (h, k) is the center.
If the diameter is 16, then the radius is 8.
Your equation is:
(x - 7)² + (y + 5)² = 64
Answer:
C
Step-by-step explanation:
the area of a triangle is
baseline × height / 2
so, we know in our case
b(b+12) = 189 cm²
b² + 12b - 189 = 0
let's try to solve this by completing the square.
that means we try to find the expression
(b + k)² + c
that is equal to
b² + 12b - 189
(b + k)² + c = b² + 2kb + k² + c = b² + 12b - 189
so,
2k = 12
k = 6
and then
k² + c = -189
6² + c = -189
36 + c = -189
c = -225
(b + 6)² - 225 = 0
(b + 6)² = 225
b + 6 = 15
b = 9
so, the baseline b = 9 cm.
the height b+12 = 9+12 = 21 cm.
It’s 9,831.5, nine thousand height hundred thirty one point five
Its hourly rate of Jillian is 12 hours.
Here we have to find the hourly rate.
Let h be the hourly rate. As it is given that overtime is a time and a half rate.
So the overtime hour is 1.5h.
The total amount Jillian get is $516.
So from this, we get an equation:
40h + 2(1.5h) = 516
40h + 3h = 516
43h = 516
h = 12
Therefore we get the hourly rate as 12.
To know more about the equation refer to the link given below:
brainly.com/question/14107099
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