Answer:
D. 5 cm and 16 cm
Step-by-step explanation:
In a triangle, the sum of the lengths of any two sides must be greater than the length of the third side.
The sum of the two lengths given must be greater than 19 cm.
A.
7 cm + 11 cm = 18 cm
18 cm < 19 cm
No triangle
B.
8 cm + 8 cm = 16 cm
16 cm < 19 cm
No triangle
C.
7 cm + 12 cm = 19 cm
19 cm = 19 cm
No triangle
D.
5 cm + 16 cm = 21 cm
21 cm > 19 cm
There is a triangle.
Step-by-step explanation:
the common binomial factor is (x-y).
hope this helps you.
Answer:
niwebfasfbjsdfb
Step-by-step explanation:
jsdfhsdbfjhadsjbdsfhb
Answer:
It is a function.
Step-by-step explanation:
Functions are relations in which one domain value is assigned to exactly one range value. The x-value must not repeat in the relation set for it to be a function.
{(2,3), (4,3), (6,3), (5,9), (3,9)}
There are no repeating x-values given.
The relation should be a function.
Hope this helps.
Answer:
Discriminant is 60
Step-by-step explanation:
the discriminant of 
To find discriminant , first we write the equation in the form of


Subtract 2 on both sides

a=3, b=6, c=-2
Formula for discriminant is 
Plug in the values

Discriminant is 60