4 feet? 20/5=4? Not too sure
Answer:
There are 30 students in the class
Step-by-step explanation:
we can write a ratio as:
8:10 as 24:x
Writing this as an equation gives:
8
10
=
24
x
We can now solve for
x
while keeping the equation balanced:
10
x
×
8
10
=
10
x
×
24
x
10
x
×
8
10
=
10
x
×
24
x
x
×
8
=
10
×
24
8
x
=
240
8
x
8
=
240
8
8
x
8
=
30
x = 30
Answer:
A. x=-15 and x=3
Step-by-step explanation:
|x+6|+8=17
|x+6|=9
-1(x+6)=9 x+6=9
-x-6=9 x=3
-x=15
x=-15
