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SSSSS [86.1K]
3 years ago
15

What is the value of the expression “eight more than three time the difference of four and a number” when n=3?

Mathematics
1 answer:
Kamila [148]3 years ago
3 0

Hey there!!

Let's take the number as ' n '

Three times the difference of a four and number.

... 3 ( 4 - n )

Eight more than the expression.

... 8 + 3 ( 4 - n )

' n ' is given as ' 3 '.

Plugging in :

... 8 + 3 ( 4 - 3 )

... 8 + 3 ( 1 )

... 8 + 3

... 11

The required answer is 11.

Hope my answer helps!!  

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max2010maxim [7]

Answer:

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Step-by-step explanation:

We know that the total area of a cone is:

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Replacing:

A = 3.14 * (6) * (6 + g) = 113.04 (6 + g) square feet.

To know the total number of tiles package, we must divide the area of the cone by the area occupied by a package. So:

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The problem statement does not have a height or the value of the generatrix therefore it is not possible to calculate the number of packages.

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3 years ago
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3 years ago
The ratio of boys to girls in a group is 2:1. If there are 18 more boys than girls, work out how many girls there are.
Alborosie

Answer:

I think its 18, because if there's 2 boys to 1 girl then if there's 18 girls then there is an equivalent 18 boys to match, plus another 18, which would put the ratio of boy to girl at 2:1

Step-by-step explanation:

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Step-by-step explanation

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Step-by-step explanation:

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