-3
1. Add -1.4 to each side.
2. Divide by 0.7 on each side.
Hope this helps
Answer:
See below
Step-by-step explanation:
Three lengths will be a triangle only if the sum of two sides is greater than the third side.

This is a triangle.

This is not a triangle.

This is not a triangle.

This is a triangle.
Answer: 1
Step-by-step explanation:
Answer:
1. 75
Step-by-step explanation:
take boths numbers add them up then divide but by 2
Answer:
k = 12
Step-by-step explanation:
Given:
The equation 
To find:
Value of
for which the given equation has one distinct real solution.
Solution:
The given equation is a quadratic equation.
There are always two solutions of a quadratic equation.
For the equation:
to have one distinct solution:

Here,
a = 2,
b = -k and
c = 18
Putting the values, we get:

The equation becomes:

And the one root is:
