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MakcuM [25]
3 years ago
15

Hector is dividing students into groups for an HR wants to divide the boys and girls so that each group has the same number of t

he boys and girls their 21 boys and 56 girls signed up for the hike to how many groups can the students be divided how many boys and how many girls will be in each group.​
Mathematics
1 answer:
Roman55 [17]3 years ago
6 0

Answer:

7 groups, 3 boys and 8 girls

Step-by-step explanation:

Let total number of groups be x

and total hikers in one group be y

if number of girls and boys in every group is same, then

\frac{21}{x} + \frac{56}{x} = y

\frac{21 + 56}{x} = y\\x*y = 77 ....(1)

from (1) x will either be 11 or 7

for x = 11 the values won't be real.

For x = 7\\y = \frac{77}{7} \\y = 11

so there will be 7 groups with 11 hikers in each groups and every group will have \frac{21}{7} = 3 boys and \frac{56}{7} = 8 girls

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X equal 7 so 49=x7 that is what I would do at least
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HELP ASAP PLEASE <br> Not understanding and need answers asap
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2 years ago
Simplify (2+3)squared-16 divided by 2
seraphim [82]

Answer:

it would be 4.5

Step-by-step explanation:

basic explantion

step 1.    3+2 =5

step 2     5x5=25

step 3      25-16=9

step 4       9 divde by 2= 4.5

simplifyed it would be  25-16 ÷ 2

more deatialed explanation.

I added 3+2 to get 5 and i sqaured the 5 to get 25 becasue 5x5 is 25 then i took away 16 and got 9 then i divde 9 by 2 to get 4.5.  hope this helped!

4 0
2 years ago
What do outliers, mean, median, mode, and range tell you PLEASE SHOW EXAMPLES!!!!!!
Zanzabum

Hello there!

Outlier is a value in a data set that varies significantly from the rest of the data.

Example: Way too low: 1, 45, 58, 60, 63, 75

<u><em>Outlier = 1</em></u>

Way too high: 4, 3, 2, 21, 7

The number should be the order from least to greatest are: 2, 3, 4, 7, 21.

<u><em>Outlier = 21</em></u>

It impact the mean and the median in different ways.

Data with no outlier: 4, 5, 7, 11, 12, 15

54÷6=9

<u><em>Mean = 9</em></u>

Data with an outlier: 4, 5, 7, 11, 12, 15, 58

112÷7=16

<em><u>Mean = 16</u></em>

Median is the middle value in an ordered list of numbers.

Example:

Numbers already in order:

1, 5, 8, 10, 13

Numbers not already in order:

13, 1, 5, 10, 8

1, 5,<u> 8, 10,</u> 13, 15

8+10=18 or 18÷2=9

<u><em>Median =9</em></u>

Range is a difference between the maximum (highest) and minimum (lowest) values. It has one type of measure of spread.

Example:

Data in order: <u>23</u>, 27, 39, 53, 62, <u>84</u>

84-23<u>=61</u>

Data not in order: 272, 52, 67, 201, 43, 256

272-43<u>=229</u>

Hope this helps! Thank you for posting your question at here on Brainly.

-Charlie

3 0
3 years ago
Given that y = 6 + 4x-x^2express y in the form a.-(x + b)^2, where a and b are
Y_Kistochka [10]

Answer:

6 + 4x − x² = 10 − (x − 2)²

the turning point : (2 , 10)

Step-by-step explanation:

6 + 4x − x² =  − x² + 4x + 6

                 = − (x² − 4x) + 6

                 = − (x² − 4x + 4 − 4) + 6

                 = − [(x − 2)² − 4] + 6

                 = − (x − 2)² + 4 + 6

                 = − (x − 2)² + 10

                 = 10 − (x − 2)²

Then the turning point of y is (2 , 10)

4 0
1 year ago
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