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Inga [223]
2 years ago
5

The sum of one fifth of a number and 3 7/10 is 7. Find the number

Mathematics
1 answer:
ruslelena [56]2 years ago
8 0

Answer:

Step-by-step explanation:

3

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Describe the solutions of 5 <n​
Ainat [17]

Answer:

D

Step-by-step explanation:

All real number less than 5

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Find the distance between (3,7) and (6,5)
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Answer:

square root of five but if it needs to be simplified then 2.24 (rounded)

Step-by-step

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Zach is 15 in a half years old. this is 3 years younger than his brother hunter. how old is hunter?
dlinn [17]

Answer:

18 1/2 years old

Step-by-step explanation:

x-3= 15 1/2

x= 15 1/2 + 3

x= 18 1/2

Hunter is 18 1/2 years old.

4 0
3 years ago
1. What is the median of the data set?
Tamiku [17]

Answer: 1. 7

2. 100

3. 193.8

4. 0.8

5. 90.6

Step-by-step explanation:

1. Given the data  9,3,10,12,4,5,12,2

For finding the median we arrange it in ascending order

2,3,4,5,9, 10,12,12

Since the no of observations are even

∴ median =\frac{n/2 th term + (n/2 + 1)th term}{2}

= \frac{5+9}{2}

=\frac{14}{2}

=7

i.e. Median =7

2. Given the data

23, 95,100,23,100,100

Since the no 100 is repeated thrice i.e. the maximum no of times

∴ Mode=100

3.

Given the data

108, 305,252,113, 191

Mean=\frac{108+305+252+113+191}{5}

=\frac{969}{5}

=193.8

4. Money spent in the first week

= $11.52, $6.48, $5.99, $14.00, and $9.50

Total for the first week

=11.52+6.48+5.99+14.00+9.50

=$47.49

Now she spent $4 more in the second week

i.e.$47.49+4

=51.49$

Increase in mean =\frac{4}{5}

=0.8

5.

Given

2 students scored 100 each

9 students scored 95 each

10 students scored 90 each

3 students scored 80 each

1 student scored 70

Total score of students =2\times100+ 9\times 95+10\times90+3\times80+70\times1

=2265

The average score

=\frac{2265}{25}

=90.6

8 0
3 years ago
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