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Tanya [424]
3 years ago
11

Witch of the following are categorical data

Mathematics
1 answer:
Alisiya [41]3 years ago
6 0

Step-by-step explanation:

Examples of categorical variables are race, genders, ages, and education levels. While the closing two variables may be considered in a numerical manner by using exact values for age and the high grade completed, it is always informative to put such variables into a relatively small number of groups.

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Given these similar triangles, what is the common ratio of triangle LJK to triangle EFG?
kondaur [170]

Find the corresponding sides of each triangle and divide to find the ratio.

FG = KJ

EF = JL

EG = LK

16.8 / 5.6 = 3

20.1 / 6.7 = 3

The common ratio is 3

4 0
3 years ago
Read 2 more answers
A coin is rolled three times.find the probability of getting 2 heads​
Setler [38]

There are 8 possible outcomes when you throw a coin three times:

HHH,\ HHT,\ HTH,\ HTT,\ THH,\ THT,\ TTH,\ TTT

Out of these combination, the ones with exactly two heads are

HHT,\ HTH,\ THH

So, 3 combinations out of 8 have exactly two heads. This means that the probability of having two heads with three coin throws is 3/8

6 0
3 years ago
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Hey hey hey. help pls
Firdavs [7]

Answer:

Emma spend 8 hours in homework in a week and Jared  spends 16 hours in homework in 2 weeks.

Step-by-step explanation:

Two quantities P and Q are said to be in PROPORTION if and only if for all values of P and q, we get:

\frac{P}{Q}  = k

Here, k : PROPORTIONALITY CONSTANT

Case: 1

5 hour piano practice in 1 week.

So, the piano practice in 2 weeks( 1 x 2) =   2 x  5 = 10 hours

But here, it is given to be 12 hours in 2 weeks.

Hence, NOT PROPORTIONAL.

Case 2:

70 words in 60 seconds.

So, the words typed in 210 seconds ( 60 x 3.5) =   70  x  3.5 = 240 words

But here, it is given to be 280 words in 210 seconds.

Hence, NOT PROPORTIONAL.

Case: 3

8 hour homework in 1 week.

So, the homework done in 2 weeks( 1 x 2) =   2 x 8 = 16 hours

It is given to be 16 hours in 2 weeks.

Hence,  PROPORTIONAL.

Case: 4

15 miles  in 78 minutes.

So, the distance covered in 102 minutes (78 x 1.3) =  15 x 1.3 = 19.6 miles

But here, it is given to be 17 miles in 102 minutes.

Hence, NOT PROPORTIONAL.

Case: 5

18 miles  in 45 minutes.

So, the distance covered in 55 minutes (45 x 1.2) =  18 x 1.2  = 21.6 miles

But here, it is given to be 22 miles in 55 minutes.

Hence, NOT PROPORTIONAL.

Hence, the only proportional case is Emma spend 8 hours in homework in a  week and Jared  spends 16 hours in homework in 2 weeks.

6 0
3 years ago
Read 2 more answers
Find slope of -2,3 and 4,-5
bulgar [2K]
-2,3 is (x1,y1) and (4,-5) is (x2,y2) so you do y2-y1/x2-x1

y2-y1 is -5-3 which is -8 and x2-x1 is 4-(-2) which is 6 so you get

-8/6= -4/3
4 0
2 years ago
The area of a square equals the square of a length of the side of the square. The perimeter equals the sum of the lengths of all
solong [7]

Answer:Each side of x would be 7 and each side of y would be 4.

Step-by-step explanation:

5 0
2 years ago
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