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3 years ago

7

Café Noir charges a 1% levy on the bill for trading on Sundays. If the final bill is $55.55, what was the original price, taking

into account that the 10% GST has been added and then the levy?

1 answer:

svetoff [14.1K]3 years ago

7 0

As I guess I think its 5

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What is the sum of all the positive integers from <br> √<br> 24<br> to <br> √<br> 102<br> ?

Eva8 [605]

Answer:

The sum of all positive integers is

5 + 6 + 7 + 8 + 9 + 10

= <em>45</em>

Step-by-step explanation:

Because $\sqrt{24} = 4.89$ and $\sqrt{102} = 10.09$

So positive numbers between 4.9 and 10.09 are

<em>5+6+7+8+9+10 = 45</em>

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3 years ago

There is a bag filled with 5 blue and 4 red marbles.

PtichkaEL [24]

Answer:

<h2>8/9</h2>

Step-by-step explanation:

9 in total 4 blue

4/9 x 2

8/9

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2 years ago

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Alik [6]

Answer: c)

Step-by-step explanation:

This can be done through trial-and-error. Use the pythagoreas' theorem $a^{2} +b^{2} =c^{2}$ and if the left side of the equation is equal to the right, that is the answer.

(Do take note that c is the longest side.)

a)

$0.07^{2} +2.4^{2} =5.7649$

$2.5^{2}=6.25$

Since $2.5^{2} \neq 5.7649$ , a) is wrong.

b)

$17^{2} +30^{2} =1189\\
34^{2} =1156$

Since $34^{2}\neq1189$ , b) is wrong.

c) (answer)

$5^{2} +12^{2} =169\\13^{2} =169$

Since $13^{2} =169$ , c) is correct.

d)

$(7x)^{2} +(12x)^{2} =193x^{2}\\(13x)^{2} =169x^{2}$

Since $(13x)^{2} \neq193x^{2}$ , d) is wrong.

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2 years ago

Hey guys please help me oleaseee

saul85 [17]

Answer:

8'2

Step-by-step explanation:

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3 years ago

Read 2 more answers

In addition to oxygen, several gasses are in air. Carbon dioxide makes up 0.00039 of air. What is 0.00039 written as a percent ?

Simora [160]

0.00039 x 100 = 0.039%

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4 years ago