The percent error in the speeds are 7.1428. Hope this helps!
If y
y
varies directly as x
x
and y=15
y
=
15
when x=24
x
=
24
, find x
x
when y=25
y
=
25
.
Find the constant of variation.
k=yx=1524=58y=58x k=
y
x
=
15
24
=
5
8
y=
5
8
x
To find x
x
, substitute 25
25
for y
y
.
25=58xx=40
Answer:
a= 1
b= 0
Step-by-Step Explanation:
I am not 100% sure on part A, however part B is correct because the difference between -2 and -1 is 1, so if you add 1 to -1 you get 0. Hence B= 0.
Again I am not 100% sure on part A, so you may need a second opinion.