я не знаю что тут написано поэтаму я русский ::3
I didn’t undertand the question... mayb ur attachment isnt added! Plz check!
Answer:
Step-by-step explanation:
The vertex form of a quadratic function f(x) = ax² + bx + c:
Where (h, k) is a vertex.
We have:
Calculate <em>h</em> and <em>k</em>:
Finally:
3(x + 5) = -4x + 8
3x + 15 = -4x + 8
3x + 4x = 8 - 15
7x = - 7
x = -7/7
x = -1
this equation has exactly 1 solution
Answer:
Step-by-step explanation:
El precio original del vestido es,
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