Answer:
x > 3
Step-by-step explanation:
-7x < -21
Divide each side by -7, remembering to flip the inequality
-7x/-7 > -21/-7
x > 3
Step-by-step explanation:







• Find S7.






The answer is B.
Answer:
3y+7
Step-by-step explanation:
6+7.2y+−4.2y+1
(7.2y+−4.2y)+(6+1)
3y+7
Answer:
<h2>
Explanation:</h2>
In this exercise we have the following equation of a parabola:

So our goal is to find the x-intercepts. We can find this setting
, so:

Taking 2 as common factor:

Hence this is a Non-perfect Square Trinomial. To factor out this, let's choose two numbers such that:
- The sum is -6
- The product is 5
Those two numbers are:
Because:
So this equation can be written as:

<h2>Learn more:</h2>
Solutions to quadratic equation: brainly.com/question/13742278#
#LearnWithBrainly