Answer:
2n - 9
Step-by-step explanation:
Let the number be n. Then "a number multiply by two then subtract 9" yields
2n - 9
The other diagonal would be 13 feet as well because it is a rectangle.
Answer: y = 2x - 20
1. y + 18 = 2(x - 1)
2. y + 18 = 2x - 2
3. y + 20 = 2x
4. y = 2x - 20
Answer:
y=10x-2x ................
Answer:
<h2>See below</h2>
Step-by-step explanation:
first thing you didn't give any quadratic equation and also didn't allude which method you indeed however I'll give you two methods
- factoring
- quadratic formula
to get elaborately factoring method
see this question which is answered by me
quadratic formula:
by using this formula we can solve quadratic very early
we just need to substitute the value of a,b and c and simply to get x