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swat32
3 years ago
14

What is 1+1-15x15................................

Mathematics
2 answers:
Stels [109]3 years ago
5 0

Answer:

223

Step-by-step explanation:

Fittoniya [83]3 years ago
4 0

Answer:

ur answer 223

Step-by-step explanation:

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MrMuchimi
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7 0
2 years ago
Share 4000 in a ratio 3:4:1​
muminat

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3/8 x 4000 = 1500

4/8 x 4000 = 2000

1/8 x 4000 =500

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5 0
3 years ago
Add the following using the common denominator method. Show all of your work. <br><br> 2/3 + 2/9
Alekssandra [29.7K]

Answer:

8/9

Step-by-step explanation:

First we need to get both of the fractions to the same denominator.

1. 2/3 + 2/9 = 6/9 + 2/9

Next, we simply just add the fractions.

2. 6/9 + 2/9 = 8/9

8 0
3 years ago
01:49:1
Keith_Richards [23]

Answer:

The correct option is C:

C) The representative sample contained more girls than boys.

Step-by-step explanation:

It is given that a random sample is chosen from a total students of 160 students. The sample can be of 10,15 or any small numbers of students as compared to 160. However, a sample cannot be of 160 students as it is defined as a population in this case.

A random sample is always unbiased. Which means that the sample chosen should have around the same proportion of girls to boys as it is in the population of 160.

We know that:

Total boys in 160 = 65

Total girls in 160 = 95

Proportion of girls to boys = 95/65 = 1.462

Which means that for every 1 boy, there are 1.462 of girls.

The same ratio is held in a random sample, hence the total number of girls will be greater than boys

6 0
3 years ago
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