Answer:
Use photomath
Step-by-step explanation:
sorry it doesnt answer your question but just use it it's free and great
Answer: 4
Step-by-step explanation:
Perpendicular lines have reciprocal slopes
Answer:
THE AXIS OF SYMMETRY IS ALWAYS THE X VALUE OF THE VERTEX
Step-by-step explanation:
The vertex is where the graph performs the u shape bend.
The vertex is always -b/2a. so in problem one, it would be 6/2(3) which is 1. That is the x value so the axis of symmetry would be x=1.
Answer:
3
Step-by-step explanation:
make a column of x ,f, fx
then write income in x and no.of workers in f
andthen multiply both just like 100*3 ,100*2, 300*p, 400*2,500*1 write its answer fx
add the all fx and use this formula
mean =fx /n
260=adding total of fx divide by 5
Repeat same formula in no 2