ty12590
ty12590 ty12590
  • 21-05-2020
  • Mathematics
contestada

What is the value of x and the length of segment DE?
Ε
F
5
9
9
2x + 3
2. 10x + 15 = 9(9)
9
2x + 3
X =
Length of DE =
units
D
5
C

What is the value of x and the length of segment DE Ε F 5 9 9 2x 3 2 10x 15 99 9 2x 3 X Length of DE units D 5 C class=

Respuesta :

igoldo10 igoldo10
  • 18-07-2020

Answer:

x=6.6

DE=16.2

Step-by-step explanation:

Answer Link

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Background Info:The standard enthalpy of formation (ΔH∘f) is the enthalpy change that occurs when exactly1 mol of a compound is formed from its constituent elem