A cereal box has a length of 8 inches, a width of 2.5 inches and a height of 12 inches. The cereal box is made completely of car dboard. What is the least amount of cardboard needed to make the cereal box?
1 answer:
We know thatthe answer is the least amount of cardboard needed to make the cereal box is 292 in </span>²
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D) (10 x 55) + (10 x 55) + (10 x 55) + (10 x 55)
Answer:
48 cm²
Explanation:
Let the breadth be b, then the length is 3b
P = 2(Length + Breadth)
32 = 2(3b + b)
32 = 2(4b)
8b = 32
b = 4
Breadth is 4 cm
Length: 3b = 3(4) = 12 cm
Area of rectangle:
Length × Breadth
12 × 4
48 cm²
Answer: σ: 2.76
Step-by-step explanation:
Count, N: 5
Sum, Σx: 125
Mean, μ: 25
Variance, σ2: 7.6
Steps
look at attached pic for formula
σ^2 =
⇒
⇒ 7.6
σ =
⇒ 2.756809750418
⇒ or 2.76
1- 0.25= 0.75 (multiplier)
