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4 years ago

What is 1/8 times 4/7 written in simplest form

Mathematics

2 answers:

Pepsi [2]4 years ago

7 0

Your answer is 1/14.

pantera1 [17]4 years ago

3 0

I hope this helps you

1/8×4/7=1/14

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5 1/4 divided by 1/3 =

shepuryov [24]

I think it's 1 3/4. I had one similar earlier.

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3 years ago

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8 + 3 + 2a = -1 + 3a + 4

otez555 [7]

Answer:

a = 8

Step-by-step explanation:

8 + 3 + 1 - 4 = 3a - 2a

8 = a

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I hope this helps a little bit.

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3 years ago

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If there are 22 red cards and 28 black card, what is the probability you would draw a red card?

morpeh [17]

it would be 22/50 or 11/25

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3 years ago

Question number 8. Prove that 3 + √5 is an irrational number.

Marina86 [1]

Answer :

Let's assume the opposite of the statement i.e., 3 + √5 is a rational number.

$\\ \sf \: 3 + \sqrt{5} = \frac{a}{b} \\ \\ \qquad \: \tiny \sf{(where \: \: a \: \: and \: \: b \: \: are \: \: integers \: \: and \: \: b \: \neq \: 0)} \\$

$\\ \sf \: \sqrt{5} = \frac{a}{b} - 3 = \frac{a - 3b}{b} \\$

Since, a, b and 3 are integers. So,

$\\ \sf \: \frac{p - 3b}{b} \\ \\ \qquad \tiny \sf{ \: (is \: \: a \: \: rational \: \: number \:) } \\$

Here, it contradicts that √5 is an irrational number.

because of the wrong assumption that 3 + √5 is a rational number.

$\\$

Hence, 3 + √5 is an irrational number.

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4 years ago

Which one of the relationships described is not proportional?

ivann1987 [24]

Answer:

Marianne is 15 years old and her brother is 5 years old; is the relationship between their ages proportional?

Step-by-step explanation:

i just did it

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3 years ago