Answer:
X = 9
Step-by-step explanation:
Write Equation: 20(x+1) = 200
Distribute 20: 20x +20 =200
Subtract 20: 20x = 180
Divide by 20x to leave x by itself: X=9
<em>Brainliest?</em>
Answer: 5 friends
Step-by-step explanation:
Khalid has $30 and each ticket is $4.
He needs to buy for both himself and his brother which would reduce the money to:
= 30 - 4 - 4
= $22
If each ticket is $4, the number of friends he can invite is:
= Amount of money he has / Price per ticket
= 22 / 4
= 5.5 friends
You round down as they are human:
= 5 friends
Answer:
56 pentagon.
Step-by-step explanation:
Here is the complete question: Eight point lies on the circle. How many pentagons can you make using five points as vertices?
Given: Five points on vertices.
Using the combination formula to find the number of pentagon.
⇒
⇒
∴
∴ With eight point lies on circle, we can make 56 pentagons using five points as vertices