<span>3x = y + 7
</span><span> y =3x-7
</span>
<span>8x = 2y + 5
</span><span>8x = 2(3x-7) + 5
8x=6x-14+5
8x-6x=-9
2x=-9
x=-4.5
</span><span>8x = 2y + 5
</span>8(4.5)=2y+5
36=2y+5
2y=31
y=15.5
Answer:
Concurrent as my perception
Answer:
true
Step-by-step explanation:
sinA² + cosA²=1
⇔(1/2)² + cosA²=1
⇔cosA=±(√3/2)
Answer:
CKAG are the coplanar points given, as they all fall on the closest triangular face.
90-25 = 65
65/2 = 32.5
32.5+25 = 57.5
C is 32.5 degree.
D is 57.5 degree.
