Answer:
0.4 or 
Step-by-step explanation:
James spun the arrow 30 times which means 30 is the total. In other words, it's your denominator (
). It landed on the blue section 12 times which means 12 is the part of the whole. In other words, it's your numerator (
). Plug in the entire fraction and you get 
. Divide 12 by 30 and you get 0.4 or if you divide both the numerator & denominator by 6, you get . Either one works, depending on what your question asks for.
Answer:
Label: About 527.9 square centimeters
Aluminum: About 835.7 square centimeters
Step-by-step explanation:
Amount of paper needed for the label:
You can imagine taking off the label and unrolling it, forming a rectangle. The height of this rectangle will be the height of the cylinder, while the length of the rectangle will be the circumference of the cylinder. Therefore, the area of that rectangle will be 
.
Amount of aluminum needed for the can:
This time, you need to add in the top and bottom of the can as well, which each have area 
. Together, they have area 
. Adding this to the area of the sides, you get a total of about 835.7 square centimeters.
Hope this helps!
Answer:
She must work at least 7 hours. All possible values are 7, 8, 9, 10
Step-by-step explanation:
14 - 4 = 10
4($7)=$28
$130-$28=$102
$102÷$15=6.8
$15x7=$105
$105+$28=$133
$15x8=$120
$120+$28=$148
$15x9=$135
$135+$28=$163
$15x10=$150
$150+$28=$178
Ur not dumb!!! i graphed the line for u here. i suggest watching some khan academy videos for extra practice!
