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4 years ago

Find the real or imaginary solutions of each equation by factoring ? x^3 - 1000 = 0

Mathematics

1 answer:

Kamila [148]4 years ago

4 0

I hope this helps you

x^3=1000

x^3= 10^3

x=10

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3 years ago

In a school 3/5are boys. In a day 1/6 were absent and 250 boys were present. How many girls are in that school

marysya [2.9K]

Answer:

There are 200 girls in that school

Step-by-step explanation:

The correct and complete question is as folly;

In a school 3/5 pupils are boys. One day 1/6 of the boys were absent when 250 boys were present. How many girls are in the school?

SOLUTION

Let the total number of students in the school be x students

Since 3/5 are boys , then the number of girls in the school would be 1-3/5 = 2/5

The number of boys are 3/5 * x = 3x/5

The number of girls are 2/5 * x = 2x/5

Now on a particular day, 1/6 of the boys were absent and 250 boys were present.

What this means is that the fraction of boys present is 1-1/6 = 5/6

Now, 5/6 of the total boys population were present.

Mathematically;

5/6 * 3x/5 = 250

3x/6 = 250

x/2 = 250

x = 2 * 250 = 500

So there are 590 students in the school.

The number of girls in the school is ;

2x/5 = 2/5 * 500 = 200 girls

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3 years ago