Answer:
The length of CI is 10 units.
Step-by-step explanation:
It is given that ABCD is a parallelogram and diagonals AC and BD intersect at point I.
The diagonals of a parallelogram bisect each other.


![[\because AI=CI]](https://tex.z-dn.net/?f=%5B%5Cbecause%20AI%3DCI%5D)



The value of x is 12.

Therefore the length of CI is 10 units.
Answer:
Gianna ran 40 miles over the course of 17 weeks.
Step-by-step explanation:
20 miles in the first week.
5% increase each week.
17 weeks.
1 mile increase each week.
17 mile increase over the course of 17 weeks.
37 miles over the course of 17 weeks.
Round 37 to the nearest whole number.
Answer:
no solution
Step-by-step explanation:
Answer:
8 and 14
Step-by-step explanation:
X + Y = 22
X= 22-Y
4X= 7Y
4(22-Y) = 7Y
88-4Y=7Y
88= 11Y
8=Y
X= 22-Y= 22-8=14
Answer:
30
Step-by-step explanation:
You can use the triangle area theorem-
15x4(/2)=30