Answer:
Y=21
Step-by-step explanation:
add 13 on both sides you get Y=21
6km is 3/4 of her morning speed so 6/(3/4)=6×4/3=8km. Total distance=6+8=14km.
X+y=23
X-y=7.4
X+y=23
y=23-X
X-y=7.4
(23-y)-y=7.4
23-2y=7.4
-2y=-15.6
Y=7.8
X+y=23
X+7.8=23
X=15.2
Therefore the two numbers are 7.8 & 15.2
<span><span>x=<span><span>21</span><span>/8
</span></span></span><span>Decimal Form: 2.625
</span>Hope that helped!!</span>
Answer:
It is pi/2
Step-by-step explanation: