<h3>
Answer:</h3>
5/2
<h3>
Step-by-step explanation:</h3>
Start by eliminating parentheses.
... 2n +4 +6 = -9 +8n +4
... 10 = -5 +6n . . . . subtract 2n
... 15 = 6n . . . . . . . add 5
... 15/6 = n = 5/2
_____
<u>Check</u>
(2·5/2 +4) +6 = -9 +4(2·5/2 +1)
5 +4 +6 = -9 +4(5 +1)
15 = -9 +24 . . . . . true, so the answer checks OK
Answer:
180
Step-by-step explanation:
30+60+90
90+90
180
we have add all the angle
Answer:
Daniel has 6,174 pokemon cards:)
We know this because 18 x 343 is 6,174.
(Hope this helps)
Answer:
(-1,-4) & (4,6)
Step-by-step explanation:
Solution is the point(s) (x,y) which lie on both the functions.
(-1,-4) & (4,6) are the points common to both functions
Answer:
5)7:8=180
84:96=180
6)4:5=90
40:50=90
7)a). q=135
p=45
b).a=70
b=110
supplementary angle=sum of two angle 180°
complementary angle=sum of two angle 90°
