There are 180 students in the gym for an assembly. if 5% of them are girls, how many girls are there

Mathematics

2 answers:

Furkat [3]4 years ago

3 0

There are 9 girls in the gym assembly

ahrayia [7]4 years ago

3 0

180 x 5% = 180 x 0.05 = 9 THUS 9 girls of the 180 students are at the assembly

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The number 3456 is divisible by wich single-digit number?

Gnesinka [82]

I'm assuming what you mean is what can you divide 3456 by to get a natural number.

First of all every number is divisible by 1.

Every even number is divisible by 2, so since 3456 is an even number, it can be divided by 2. That would equal 1728.

2456 can also be divided by 3, to get 1782.

You can also divide it by 4, to get 865.

Divided by 6, it's 576.

Divided by 8, it's 432.

And lastly, 3456 divided by 9 is 384.

So, there isn't just one single-digit number you can divide 3456 by to get a natural number. You can divide it by 1,2,3,4,6,8, and 9.

Hope that helps!

6 0

3 years ago

The mean amount of water in 5 containers is 620 ml the total amount of water in 4 q of the containers is 2750 what is the amount

EleoNora [17]

The correct answer is:

350 ml.

Explanation:

Let x be the amount in the fifth container.

The mean is found by adding all of the amounts together and dividing by the number of containers (in this problem, 5). We know that the total from the other 4 containers is 2750; add this to x, our unknown number. Then we divide by 5 to arrive at our answer of 620.

Algebraically,
 $\frac{2750+x}{5}=620$ 

To solve, multiply both sides by 5:
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Subtract 2750 from both sides:
2750+x-2750=3100-2750
x=350.

There are 350 ml in the fifth container.

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