It is 2(3x+4) because you distribute the 2
21x³ - 18x²y + 24xy²
Simplify!
7x³ - 6x²y + 8xy²
Okay, so we have 20x+5y=-15.
To find y, let's plug in 0 for x, that way we have 20(0)+5y=-15.
Now do 20(0) and we have the equation: 5y=-15
divide both sides by 5 and we get y=-3!
Answer:
option D
Step-by-step explanation:
option D is the correct answer of this question.
the length of the mid segment was 42 option A
( previous question ) according to me and it is right so please recheck your previous answer as it was option A not D
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10x = 15y + 5 (by the vertical angle theorem).
8x + 1 + 7y + 10x = 180 ( by triangle sum theorem)
18x + 7y = 179 .............(1)
from first equation :-
10x - 15y = 5.................(2)
Multiply (1) by 10 and (2) by -18:-
180x + 70y = 1790
-180x + 270y = -90
Adding :-
340y = 1700
y = 5
and from first equation
10x = 15(5) + 5 = 80
x = 8
Answer x=8, y = 5.
