Answer:
It's totally correct with no doubt
Answer:
121,6
Step-by-step explanation:
Since the only difference between the triangles are the letters and a few missing numbers, just replace the letters to get your answer. A and D are the same B and E are the same and C and F are the same. So the measurement of angle A is 121 degrees and the length of AB is 6
Answer:
The parabolic equation does not intersect the linear equation.
Explanation:
Given equation's:
To solve , use substitution method by inserting 2nd equation into 1st

when substituted y = -2x

collect terms

simplify

Find discriminant:



As the discriminant is negative, it tell us that they both does not intersect each other.
<h3>
Hello!</h3>

In order to find the vertex of a parabola, we use the following formula:

Remember, a parabola looks like so:

Now we know what a and b stand for.
In this case, b is -4, and a is -1:

Simplify:

Divide:


<h3>Notes:</h3>
- Hope everything is clear.
- Let me know if you have any questions!
- Enjoy your day!
- Always remember: Knowledge is power!
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