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Nezavi [6.7K]
3 years ago
6

Find the value of x so that the ratios are equivalent 9:x and 54:8

Mathematics
1 answer:
Margarita [4]3 years ago
8 0

Answer:

The answer is 48

Step-by-step explanation:

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Which of the following points might be on the graph of f(x)
BaLLatris [955]
Where’s the equation
8 0
3 years ago
uppose we want to build a rectangular storage container with open top whose volume is $$ cubic meters. Assume that the cost of m
Ainat [17]

Answer:

a = length of the base = 2.172 m

b = width of the base = 1.357 m

c = height = 4.072 m

Step-by-step explanation:

Suppose we want to build a rectangular storage container with open top whose volume is 12 cubic meters. Assume that the cost of materials for the base is 12 dollars per square meter, and the cost of materials for the sides is 8 dollars per square meter. The height of the box is three times the width of the base. What’s the least amount of money we can spend to build such a container?

lets call a = length of the base

b = width of the base

c = height

V = a.b.c = 12

Area without the top:

Area = ab + 2bc + 2ac

Cost  = 12ab + 8.2bc + 8.2ac

Cost = 12ab + 16bc + 16ac

height = 3.width

c = 3b

Cost = 12ab + 16b.3b + 16a.3b = 12ab + 48b² + 48ab = 48b² + 60ab

abc = 12 → ab.3b = 12 → 3ab² = 12 → ab² = 4 → a = 4/b²

Cost = 48b² + 60ab = 48b² + 60b.4/b² = 48b² + 240/b

C(b) = 48b² + 240/b

C'(b) = 96b - 240/b²

Minimum cost: C'(b) = 0

96b - 240/b² = 0

(96b³ - 240)/b² = 0

96b³ - 240 = 0

96b³ = 240

b³ = 240/96

b³ = 2.5

b = 1.357m

c = 3b = 3*1.357 = 4.072m

a = 4/b² = 2.172m

6 0
3 years ago
HELPPPPPPP me with #7
Anna007 [38]
(10x+y)(100x^2-10xy+y^2)

5 0
3 years ago
Read 2 more answers
A number rounded to the nearset thousand is 47000 which number could be the number that was rounded?
Orlov [11]

Answer:

47000+100

Step-by-step explanation:

the anwer is 47100

3 0
3 years ago
I have 97 pieces of candy that I would like to put into plastic Easter eggs to hide for my kids.
Svetach [21]

Answer:

17 blue eggs and 23 purple

Step-by-step explanation:

what we do is very simple

2 eggs one of each = 5

Then we distribute 97  

b = (90/2 + 1 + 1) /3        p = (90/2 + 1) /2  

b = 47/2                          p= 46 /2

b = 17                              p = 23

3 0
3 years ago
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