Answer:
CSA of cylinder= 2πr(h+r)
=2 π×9 (21)
= 378π cm²
now
CSA of hole= 2πr
12π cm²
Answer:
x=20
Step-by-step explanation:
1-reoder the terms
2-Move constant to the right
3-dive both sides
just hit the image and you will get a representation on how to do it
Answer:
x = 80
y = 100
Step-by-step explanation:
180-80 = 100
Use knowledge on transversals to plug in the 80 and 100 throughout the transversal diagram.
You have 1 out of 5 chances to get a A in the spinner
<span>You have a 1 out of 6 chances to get a 4 </span>
<span>1/5 times (x) 1/6 = 1/30</span>
The answer is x= 23/9 or you can write it as x= 2 5/9 or x= 2.5