25m+20m is 45
so do 90-45 and you’ll get 45
to check your answer you can do 45+25+20 which gives you 90
Answer:
A=(5D-5h)/4
Step-by-step explanation:
So you need to get <em>a</em> on one side so you subtract <em>h</em> on both sides to eliminate the <em>h</em> on the right side: <em>D-h=4/5 a</em>
now you need to multiply 5/4 on both sides in order to make 4/5 <em>a</em> just <em>a</em>
A=(5D-5h)/4
Hope this helps!
Answer:
i think 88
Step-by-step explanation:
(it's been a while since I've done this so I'm not too sure it's correct)
The formula we need to use is
2πr(angle/360)
we need the radius (r)
To get r we need angle AES
180-80= 100
using the equation from before
88=2πr*(100/360)
raidus: 50.42
Then to get the length CD we need angle DEC
180-80=100
2π*50.42*(100/360)=88
there probably was some kind of shortcut we could've used to figure this out faster but whatever
95.7942857 pie form hope this is right got it off the internet so yeah
13 bikes
You would do 65 divided by 5 because there are 5 times as many new bikes compared to used ones
