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Bond [772]
3 years ago
6

20% of a is 11, what is a

Mathematics
1 answer:
KiRa [710]3 years ago
5 0

Answer:

20% of a is 11, what is a

a =55

75% of b is 12, what is b

b = 16

80% of c is 20, what is c

c = 25

200% of d is 18, what is d

d = 9

Step-by-step explanation:

20% of a is 11, what is a

20a = 1100

a =55

75% of b is 12, what is b

75b = 1200

b = 16

80% of c is 20, what is c

80c = 2000

c = 25

200% of d is 18, what is d

200d = 1800

d = 9

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Answer:

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Step-by-step explanation:

3 0
3 years ago
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Perform the indicated operations. Do the root of -48 in terms of i please
lubasha [3.4K]

Answer:

\frac{-5-\sqrt{-48}}{40}  in terms of i is: \frac{-1}{8}-\frac{i\,\sqrt{3}}{10}

Step-by-step explanation:

\frac{-5-\sqrt{-48}}{40}

We know that \sqrt{-1} = i

so,

\frac{-5-\sqrt{48}i}{40}

Now solving:

=\frac{-5}{40}-\frac{i\,\sqrt{48}}{40}\\=\frac{-1}{8}-\frac{i\,\sqrt{2*2*2*2*3}}{40}\\=\frac{-1}{8}-\frac{i\,\sqrt{2^2*2^2*3}}{40}\\=\frac{-1}{8}-\frac{2*2\,i\,\sqrt{3}}{40}\\=\frac{-1}{8}-\frac{4\,i\,\sqrt{3}}{40}\\=\frac{-1}{8}-\frac{i\,\sqrt{3}}{10}

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3 0
4 years ago
Each person plans to take 2 slices of pizza.mark concludes that he would get more pizza by taking 1 slice from each pizza.instea
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Step-by-step explanation:


8 0
3 years ago
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LekaFEV [45]
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avanturin [10]

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Therefore, the domain of the graph is (-∞,∞) and the range of the graph is (-∞,-4].

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