mariahramdath
mariahramdath mariahramdath
  • 21-02-2020
  • Mathematics
contestada

XZ=n, WZ=2x-5, and the perimeter of ΔXWZ is 20. What is the value of n?
a.5
b.7
c.3
d.6

XZn WZ2x5 and the perimeter of ΔXWZ is 20 What is the value of n a5 b7 c3 d6 class=

Respuesta :

amna04352
amna04352 amna04352
  • 21-02-2020

Answer:

d.

Step-by-step explanation:

Since it's an isosceles triangle, WX=WZ= 2n-5

Perimeter = n + (2n-5) + (2n-5)

= 5n - 10

The Perimeter is given to be 20

5n - 10 = 20

5n = 30

n = 6

Answer Link

Otras preguntas

What kinds of changes and reforms did muckraking journalists contribute towards? Give two examples.
any two ways to reduce sound pollution
HELP ME PLEASE IM SO CONFUSED!
Find CF in parallelogram CDEF (TAKE THE POINT HELP PLEASE)
When a bat strikes a ball, the force exerted can send the bat backwards. The force exerted on the bat is due to Newton's ??????? law.
what two integer are closest to negative 20​
Need help with khan.
PLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLEASE ANSWER
Giving brainliest!!!!!!!!!!!!
Do defense teams have the ability to mount a defense against evidence? What affects their ability?