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olga2289 [7]
3 years ago
9

Whích two of the following expressions is equivalent

Mathematics
1 answer:
kobusy [5.1K]3 years ago
7 0
I cant see the other number your mouse is blocking it
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H e l p p l e a s e ; - ;
irina1246 [14]

Answer:

9/4

Step-by-step explanation:

if you use cross multiplication you can see that it would cross eachother out and becom one plz vote brainliest

5 0
3 years ago
Calculate the mean, median, mode, range, and 5 Number Summary of the following data set: 5,6,8,4,7,5,4,2,5,6,5,2,1,4
Artist 52 [7]

Answer:

mean = 4.57, median = 5 , mode = 5, range =7 ,

five number summary: Minimum value= 1 , First Quartile = 4, Median = 5

Third Quartile  = 6, Maximum value = 8

Step-by-step explanation:

First arrange the data in ascending order.

1,2,2,4,4,4,5,5,5,5,6,6,7,8

Mean = sum of all numbers / total numbers

         = 1+2+2+4+4+4+5+5+5+5+6+6+7+8 / 14

         = 64 / 14

         = 4.57

Median:

Since the given data is even number so, we can find median by taking mean of 2 middle numbers.

so the middle numbers are 7th and 8th  data i.e, 5 and 5

Median =(5+5)/2

           = 5

Mode:

The most repetitive number in the data set is mode

So Mode = 5

Range:

Range can be found by subtracting smallest number from largest number in the data set.

Smallest number  = 1, Largest number = 8

Range= Largest number - Smallest number

        = 8-1 = 7

Five no Summary

Minimum value= 1

First Quartile ( 25 % mark )= 4

Median = 5

Third Quartile (75 % mark) = 6

Maximum value = 8

First quartile can be found by : consider the data on left of the median and find median among them

Third quartile can be found by:  consider the data on right of the median and find median among them

7 0
3 years ago
Evaluate cos 25o to four decimal places.
Firdavs [7]

\tt \cos(25)  = 0.991203 \: or \: 0.99

8 0
2 years ago
Please help this is due today.
alex41 [277]

Answer:

b = 90

c=80

d =100

Step-by-step explanation:

Given

See attachment

Required

Find b, c and d

First, we solve for b using:

b + 10 + b - 10 = 180 --- base angles of a parallelogram

Collect like terms

b + b =180+10-10

2b = 180

Solve for b

b = 180/2

b = 90

Then, we have:

d =b + 10

c = b - 10 --- opposite angles

So, we have:

d =90 + 10

d =100

c = 90 - 10

c=80

6 0
3 years ago
The transportation department is resurfacing 12.75 miles of roadways in Narvarro Country. The crew completes work on a 1/8-mile
steposvetlana [31]

Answer:

102 hours

Step-by-step explanation:

That would be 12 3/4 divided by 1/8   hours

= 51/4 / 1/8

= 51 * 8 / 4

= 408 /   4

= 102 hours


3 0
3 years ago
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