Answer:
the two angles are 78 and 102 degrees
Step-by-step explanation:
included in the picture is the explanation. Use simultaneous equation to solve. hope this helps :)
Is this a multiple choice question? If so...what are the options?
Answer:
a + b =1
Step-by-step explanation:
Write the given quadratic as x^2 – 1x – 90 = 0. This factors into
(x - 10)(x + 9) = 0, and so the roots/solutions are {-9, 10}.
If we call -9 "a" and 10 "b," then the sum a + b is -9 + 10, or a + b =1.
You first have to distribute correctly so it simplifies is 15+3n
