Answer:
The numbers are -21 and 21
Step-by-step explanation:
Let
x ----> one number
y ----> another number
S----> the sum of their squares
we know that
----> equation A
----> equation B
substitute equation A in equation B
This is the equation of a vertical parabola open upward
The vertex is a minimum
Find the coordinates of the vertex
Using a graphing tool
The vertex is the point (21,882) ----> see the attached figure
we have
x=21
<em>Find the value of y</em>
therefore
The numbers are -21 and 21
Answer:
30 and 50
Step-by-step explanation:
add 10 people that like rice to the 40 and boom 50
Function notation is a way of writing a function. f(x) is written instead of using y. For example, f(x) = 6x + 2
Have a good day!
Answer:
C.7
Step-by-step explanation:
Ang mundo ay gawa sa tuluy-tuloy na dami ng lupa.
Ang mga lupaing ito ay nahahati sa mga rehiyon na tinutukoy namin bilang mga kontinente ng mundo.
Mayroong 7 mga kontinente sa mundo at ang mga ito ay:
1) Asya
2) Africa
3) Hilagang Amerika
4) Timog Amerika
5) Antarctica
6) Europa
7) Australia.
They're both functions because each input has exactly one output