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Yakvenalex [24]
3 years ago
7

Erin is making fruit salad.For each bowl of fruit salad,she needs 2/3 cup of strawberries.How many cups will she use if she make

s 18 bowls of fruit salad?
Mathematics
2 answers:
SCORPION-xisa [38]3 years ago
8 0
Multiply 2/3 by the total of 18 cups.

=2/3 cups per bowl * 18 bowls
=(2*18)/3
=36/3
=12 cups

ANSWER: 12 cups are needed

Hope this helps! :)
grigory [225]3 years ago
5 0
She needs 18 times of 2/3 cup, this is

18\cdot \frac{2}{3}=12 cups
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A cardboard box without a lid is to be made with a volume of 4 ft 3 . Find the dimensions of the box that requires the least amo
Blababa [14]

Answer:

<h2><em>2ft by 2ft by 1 ft</em></h2>

Step-by-step explanation:

Total surface of the cardboard box is expressed as S = 2LW + 2WH + 2LH where L is the length of the box, W is the width and H is the height of the box. Since the cardboard box is without a lid, then the total surface area will be expressed as;

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h = 4/lw

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S = lw + 2w(4/lw)+ 2l(4/lw)

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Differentiating the resulting equation with respect to w and l will give;

dS/dw = l + (-8w⁻²)

dS/dw = l - 8/w²

Similarly,

dS/dl = w  + (-8l⁻²)

dS/dw = w - 8/l²

At turning point, ds/dw = 0 and ds/dl = 0

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l = 8/w²  and w =8/l²

l = 8/(8/l² )²

l = 8/(64/I⁴)

l = 8*l⁴/64

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2 = 8/w²

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w² = 4

w = 2 ft

width of the cardboard is 2 ft

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4 = 2(2)h

4 = 4h

h = 1 ft

Height of the cardboard is 1 ft

<em>The dimensions of the box that requires the least amount of cardboard is 2ft by 2ft by 1 ft</em>

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3 years ago
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Step-by-step explanation:

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Soloha48 [4]

Answer:

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Answer:

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