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Vladimir79 [104]
3 years ago
12

Rationalise the denominator 6/3√7​

Mathematics
1 answer:
Alexeev081 [22]3 years ago
5 0

Answer:

Step-by-step explanation:

=6/3\sqrt{7} *3\sqrt{7}/3\sqrt{7}

=6*3\sqrt{7}/(3\sqrt{7})^2

=18\sqrt{7}/9*7

=18\sqrt{7}/63

=2\sqrt{7}/7

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Help, please; and hurry
alina1380 [7]

Answer:

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Step-by-step explanation:

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3 years ago
Write the following as an inequality.
Dimas [21]
Answer:
-9 < w ≤ 5

Explanation:
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3 years ago
A shirt that cost $420 was discounted 20% for Bloomingdale's one day sale. When the sale was over, the shirt was marked up 20%.
Maurinko [17]

Answer:

$504

Step-by-step explanation:

Step one:

given data

A shirt that cost $420

we are told that the shirt was on a discount sale of 20%, so when the discount is over the price will return to $420, we are then told that the shirt was marked up 20%.

Step two:

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3 years ago
Raymond's age plus two times Melanie's age equals 75. Raymond is 3 years older than Melanie. How old is Melanie? ?​
Norma-Jean [14]

Answer:

Melanie = 24 years old

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Step-by-step explanation:

Please let me know if you want me to add an explanation as to why this is the answer. I can definitely do that, I just wouldn’t want to write it if you don’t want me to :)

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3 years ago
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4 years ago
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