The measure of an exterior angle of triangle is equal to the sum of measures of two interior angles of triangle that are not supplementary with this exterior angles.
In the case of this question this fact sounds as
m∠XBC = m∠BAC + m∠BCA (option 1).
Now if
- m∠XBC=(3p-6)°
- m∠BAC=(p+4)°
- m∠BCA=84°,
then
3p-6=p+4+84 (option 2),
3p-6=p+88 (option 3),
3p-p-6=p-p+88,
2p-6=88 (option 4),
2p-6+6=88+6,
2p=94 (option 5),
p=47.
Then m∠XBC=(3p-6)°=(3·47-6)°=135°.
Answer: m∠XBC=135°.
y = -7x - 13
y = -8x - 14 Subtracting:-
0 = x + 1
x = -1
From fisrst equation y = -7(-1) - 13 = -6
answer is x = -1 and y = -6
Answer:
E
Step-by-step explanation:
71 is a prime numberrrrrrr
Answer:
24
Step-by-step explanation:
There are 4 cups in one US quart, 4*6 is 24.
Answer:9 rooms
Step-by-step explanation: 63 ÷7= 9
