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987654321156
09.03.2021 •
Mathematics
If x= -1 then which of the following equations makes a true statement
4x + 9 = 20
-4x - 5 = -15
-3x + 15 = 18
-5x -15 = -22
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Ответ:
the third one will be it
Step-by-step explanation:
Move all terms that don't contain x to the right side and solve.
Ответ:
d = √((x₂ - x₁)² + (y₂ - y₁)²)
Substituting,
d = √(12 - 3)² + (5 - -1)² = 10.82
Then, we divide this value by 6 which gives us the answer of 1.8.
(point B) d = √(x₃ - 3)² + (y₃ - -1)² = 9
(point Z) d = √(x₃ - 12)² + (y₃ - 5)² = 1.82
The values of x₃ and y₃ in the equations above are 10.5 and 4. Thus, the coordinates are (10.5, 4).