Answer:Don't really understand the first part of your question but I'll answer it the way I see it
Example of a cube would be, 2^3=8
And the cubed root fo 2 would be 1.260
Step-by-step explanation:
Step-by-step explanation:
Answer:
You can not write an equation then because it would just be a vertical line, ex: x=4 or x=-4. I hope this helps!
Step-by-step explanation:
Answer:
18.75%
Step-by-step explanation:
percent increase = 
× 100%
Increase in cost = $38 - $32 = $6
percent increase = 
× 100% = 
= 18.75%
Step-by-step explanation:
The easiest approach is to realise that one hour is 3 times longer than
20
minutes. The longer the time, the more they will pave.
2
15
of a mile, in 20 minutes, how much in 60 minutes?#
They will pave 3 times more.
2
15
×
3
1
=
6
15
of a mile
6
15
=
2
5
of a mile
You could also use the 'unitary method' where you find out how much they pave in ONE minute (divide by
20
) and them multiply by
60
to find how much in one hour.
Look at what happens:
2
15
÷
20
×
60
=
2
15
×
1
20
×
60
3
=
2
15
×
3
←
exactly the same maths.
=
2
5
