Answer:
x = 10°
Step-by-step explanation:
ZA + ZB = 90°
50° + 4x = 90°
4x = 90° - 50°
4x = 40°
x = 10°
I have a very expert technique that is very easy to changed decimal into mixed fraction
All you have to do is nevermind of the integer sign
So we will move on to 30.75
The first is write it in word so 30.75 is thirty and seventy five hundreths
Then analyze so 30 is the whole number and 75 is numerator then 100 is the denominator
So it is 30 75/100 then simplify it to the lowest terms
= 123/4 or 30 3/5
Well since two solid numbers cant make 7 I would do 3.5 x 7
Answer:
one: 9
Two: D
Step-by-step explanation:
One
The symbol used is x≥8 so 8 is included in the function part. That would mean that F(x) = 9
Two
The value you need to use is -4x + 3. That's because -2≤x and the symbol ≤ makes - 2 inclusive.
-4(-2) + 3 = 8 + 3 = 11
3a
The function is decreasing over -4x + 3
It goes from 11 to -29 roughly. That means it's going from a positive to negative number. Definitely decreasing
3b
The function is a constant when x≥8. The value of the function is 9 no matter what x is.
3c
The function is increasing from - 2x to 8 which is going from -9 to 11