Look at the picture.
The angle y° and 71° are Supplementary Angles. Therefore y° + 71° = 180°.

The sum of measures of these three angles of any triangle is invariably equal to 180°.
Therefore we have the equation:

Answer:
Y=- 6
3(y-5)+2=5
multiply
3y-15+2=5
add
3y-13=5
add pos 13 to the neg 13 to
cancel it out and add +13 to 5
3y=18
divide -3 to pos 3 and 18 to cancel it out
y= -6
We want the seconds to be converted in hours to work out the speed, so:
7200Seconds /60 / 60 =2 Hours
150 / 2 = 75
Therefore the car travels at 75kmh.
Answer: 12.57
Step-by-step explanation:
Answer:
The factor form of given expression is (x-4)(x-2i)(x+2i).
Step-by-step explanation:
The given expression is

It can be written as

According to the rational root theorem, all possible rational roots are in the form of

Where, a₀ is constant term and
is leading coefficient.

Since the value of f(x) is 0 at x=4, therefore 4 is a root of the function and (x-4) is a factor of given expression.
Use synthetic method to find the remaining factors.



Therefore the factor form of given expression is (x-4)(x-2i)(x+2i).