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xenn [34]
3 years ago
5

Solve. State the Inverse operation you used. 1. k X 4 = 96 | 2. b = 12 = 12 | 3. 9X n = 5.4 | 4. y X 16 = 48 | 6. 3.9 x m= 19.5

| 5. 25 = t4 8. 2+5 = 1 |7. 40 = x= 2 |10. 330 =rX 3 |9. 7.1 x t= 21.3 |11. 1-0.5 = 2 |12. 11 xg= 55
(Theres a total of 12 equations when there's a | its onto the text question)​
Mathematics
1 answer:
ivolga24 [154]3 years ago
5 0

Answer:

hmu on sn*p and I got u kevinscoolrevi7

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An open box is to be constructed so that the length of the base is 3 times larger than the width of the base. If the cost to con
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Answer:

Step-by-step explanation:

Let assume that the volume = 88 cubic feet

Then:

L = 3w --- (1)volume = l \times w \times h \\ \\ 88 =  (3w)   \times w  \times h \\ \\ 3w^2 h= 88 \\ \\ h = \dfrac{88}{3w^2}--- (2) \\ \\

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Now, to determine the minimum cost:

\dfrac{dC}{dw}= 0  \\ \\ \implies 24 w - \dfrac{176}{3w^2}- \dfrac{176}{w^2}=0 \\ \\ 24 w ^3 = \dfrac{176}{w^2}(\dfrac{1}{3}+1) \\ \\ 24 w ^3 = \dfrac{176(4)}{3} \\ \\ w^3 = \dfrac{88}{3(3)}

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length = 3 ( \dfrac{88}{3(3)})^{1/3} \ feet

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3 years ago
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