Answer:
1/4)(32 - 4 1/2) = (1/4)*27.5 = 6.875 min
The mean per quarter is 6.875 min.
Step-by-step explanation:
Hello!
If I understood your question correctly, then we must find the volumes of the smaller and larger rectangular boxes, and we must subtract the smaller box's volume from the larger box's volume.
We must use a formula to find the volume of a rectangular prism. The formula is:
V = l × w × h
SMALLER BOX VOLUME:
V = l × w × h
V = 9 × 7 × 12
V = 63 in^2 × 12
V = 756 in^3
So, the volume of the smaller box is 756 cubic inches.
LARGER BOX VOLUME:
V = l × w × h
V = 10 × 10 × 15
V = 100 in^2 × 15
V = 1,500 in^3
So, the volume of the larger box is 1,500 cubic inches.
Now, subtract the volume of the smaller box from the volume of the larger box.
1,500 - 756 = 744
ANSWER:
The space between the two boxes that we contain Styrofoam peanuts will be 744 cubic inches.
Answer:
750kmph
Step-by-step explanation:
Average is sum of all parts divided by the number of parts.
Let Stot be average speed for total trip (800kmph).
Let S1 be speed for first quarter of trip (950kmph).
Let S2, S3, and S4 be the speeds of each of the remaining quarters respectively.
Let Sans be the average speed for the remaining three quarters of the trip (a.k.a. The Answer!).
Stot = (S1 + S2 + S3 + S4) / 4
800kmph = (950kmph + S2 + S3 + S4) / 4
3200kmph = 950kmph + S2 + S3 + S4
3200kmph - 950kmph = 2250kmph = S2 + S3 + S4
Divide both sides by 3.
2250kmph / 3 = (S2 + S3 + S4) / 3 = Sans
Sans = 750kmph
The best option here is option B.
Step-by-step explanation:
1+ -2/3 -9/2
1+ -4-27/6
1+ -31/6
1-31/6
6-31 /6
-25/6
-4.166