200
Hope it’s right
Best luck with your studying
Answer:x=-8
Step-by-step explanation:subtract 21 from both sides then simplify 31-21 to -8
Corresponding measures have the same ratio.
.. (x -1)/4 = (2x +1)/10
.. 5(x -1) = 2(2x +1) . . . . . . multiply by 20
.. 5x -5 = 4x +2 . . . . . . . . eliminate parentheses
.. x = 7 . . . . . . . . . . . . . . . add 5 -4x
x = 7
Answer:
10
Step-by-step explanation:
Hope it helps! :D
Answer:
-1/5
Step-by-step explanation:
(10 ,9) .....(40 , 3)
(9-3)/(10-40)=6/-30=-1/5