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4 years ago

6

How many prime numbers between 8 and 60 leave a remainder of 2 when divided by 6?

1 answer:

dedylja [7]4 years ago

3 0

Hey there!! :D

Prime Number: Is a natural number greater than 1 that cannot be formed by multiplying two smaller natural numbers.

If you list out all of the prime numbers between 8 and 60 and divide each one by 6, you will notice that the remainder ends with either 1or 5 and not 2.

So your answer would be A) 0

Hope this helps!!

Have A Fantastic Weekend!!

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Step-by-step explanation:

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3 years ago

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3 years ago

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Aleksandr [31]

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3 years ago

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3 years ago

Use the fact that 2 1/2 divide 1/8 =20 to find 2 1/2 divide 5/8

Tasya [4]

Answer:

4

Step-by-step explanation:

Given that $2\frac 1 2 \div \frac 1 8 =20$

$\Rightarrow \frac 5 2 \div \frac 1 8 =20$

$\Rightarrow \frac 5 2 \times 8 1 =20 \cdots(i)$

Now, $2\frac 1 2 \div \frac 5 8$ $= \frac 5 2 \div \frac 5 8$ $=\frac 5 2 \times \frac 8 5$

This can be written as

$\frac 5 2 \times \frac 8 5=\frac 5 2 \times \left( \frac 8 1 \times \frac 1 5\right)$ [as $\frac 8 5=\frac 8 1 \times \frac 1 5$ ]

$=\left(\frac 5 2 \times \frac 8 1 \right)\times \frac 1 5$

$=20 \times \frac 1 5$ [ by using equation (i)]

=4

Hence, $2\frac 1 2 \div \frac 5 8=4$

7 0

2 years ago