4-2=2
3.85 rounded to the nearest one is 4
2.17 rounded to the nearest one is 2
Answer:
X=17
Step-by-step explanation:
7x-1+5x-23=180
12x-24=180
12x=204
x=17
Answer:
104
Step-by-step explanation:
2x^2+8x−5=0
This is written in the form
ax^2 + bx+c
a =2 b = 8 c=-5
The discriminant is
b^2 -4ac
8^2 - 4(2)(-5)
64 + 40
104
The discriminant is 104
Answer:
x = 6
Step-by-step explanation:
5 sides all the same length
s = 22.5/5
s = 4.5
--------------------
x - 1.5 = 4.5
Add 1.5 to both sides
x = 6
Answer: it is D (1,-5) I think