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Vlada [557]
3 years ago
6

Two barrels are mathematically similar

Mathematics
1 answer:
Bad White [126]3 years ago
6 0

Answer:

h ≈ 77 cm

Step-by-step explanation:

Let us convert the liters to cm³.

Smaller barrel

0.001 litres = 1 cm³

100 litres = 100000  cm³

Larger barrel

0.001 litres = 1 cm³

160 litres = 160000  cm³

For a similar solid figure the cube of their corresponding sides is equal to the volume ratio.

This means

h³/90³ = 100000/160000

cube root both sides

h/90 =  ∛100000 / ∛160000

h/90 = 46.4158883/54.2883523

cross multiply

54.2883523h = 46.4158883 × 90

54.2883523h = 4177.429947

divide both side by  54.2883523

h = 4177.429947/54.2883523

h = 76.9489175858

h ≈ 77 cm

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FrozenT [24]

Answer:

no, because for x=-3, y would have to be -31

Step-by-step explanation:

boy oh boy (or girl oh girl) - you wrote this in a horrible, horrible format.

I can only guess what your problem and the fitting answer would be.

y = -2×x^2 + 3×x - 4

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8 0
3 years ago
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Vedmedyk [2.9K]

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Step-by-step explanation:

4 0
3 years ago
Rewrite as a simplified fraction.<br> \large{2.1\overline{6} = ?}2.1 <br> 6<br> =?
slamgirl [31]

Answer:

Note that

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Step-by-step explanation:

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denpristay [2]

Answer:

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Step-by-step explanation:

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5 0
3 years ago
In the diagram, m &lt; ACB = 65.<br> m &lt; ECA = <br><br> A. 180<br> B. 115<br> C. 65<br> D. 90
Westkost [7]
<span>m < ACB = 65.
m < ECA = 180 - 65 = 115

answer
</span>m < ECA  = 115

<span>B. 115</span>
3 0
3 years ago
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