There were 50 dogs and 30 of them died how many is left
1 answer:
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rate of change is the slope
slope = (y2-y1)/(x2-x1)
m= (180-120)/(3-2)
m = 60/1
m = 60
b. point slope form
y-y1 = m(x-x1)
y-120 = 60 (x-2)
c see attached graph. x>=0 since it is hours
d the y intercept is
y -120 = 60x-120
add 120 to each side
y = 60x
Answer:
See explanation
Step-by-step explanation:
Paul has three cube-shaped boxes. Each box is a different size and they are stacked from the largest to the smallest. Some information about the boxes is given below.
- The combined volume of the three boxes is 1,197 cubic inches.
- The area of one face of the medium box is 49 square inches.
- The volume of the smallest box is 218 cubic inches less than the volume of the medium box.
1. The medium box has the area of one face of 49 square inches, then
is the side length.
The volume of the medium box is
2. The volume of the smallest box is 218 cubic inches less than the volume of the medium box, then the volume of the smallest box is
Ib is the side length, then
The area of one face is
3. The volume of the largest box is
then if c is the side length,
4. The total height of the stack is the sum of all sides lengths:
5. Find the surface area of each box:
- small
- medium
- large
In total, Paul needs
of wrapping paper. He has 1,000 square inches, so Paul has enough paper to wrap all 3 boxes.