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nirvana33 [79]
3 years ago
8

The following data represents the age of 30 lottery winners.

Mathematics
2 answers:
Ganezh [65]3 years ago
7 0
Ages. ==> Frequencies
20-29 ==> 1
30-39 ==> 9
40-49 ==> 1
50-59 ==> 9
60-69 ==> 4
70-79 ==> 5
80-89 ==> 1
(Total 30)
Veseljchak [2.6K]3 years ago
4 0
Door key nhfsssrtgfrtgbkoooo your name and number of your name on the card number for you and the name is your
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Don't have time for any bs please answer the question or don't do it at all
Serhud [2]

Answer:

1.) (11,  -7/3),   2.) No solution.  3.)  (1, 3)

Step-by-step explanation:

1.)

2x + 3y = 15

x - 3y = 18

Solve...use elimination method

2x + x + 3y - 3y = 15 + 18

3x = 33

x =11

11 - 3y = 18

-3y = 7

y = -7/3

(11,  -7/3)

---------------------------------------

2.) y = 4x + 4

y = 4x - 4

Use substitution.

4x + 4 = 4x - 4

4 = -4  FALSE  NO Solution

3.) y = 5- 2x

4x + 3y = 13

Can use elimination method

2y = 10 - 4x

add it to 4x + 3y = 13

10 + 3y = 2y + 13

y = 3

3 = 5 - 2x

x = 1

(1, 3)

5 0
3 years ago
The slang height of a right circular cone is 9 meters and the radius of the base is 5 meters. What is the surface area of the co
juin [17]

Answer:

So i say C

Step-by-step explanation:

240 = area

7 0
3 years ago
Help me with this question please and thank you!!! :):)
kirill [66]

Answer:

A intersection B = ( elements which are common in both)

= ( 2,4,7,19)

A union B = ( all the elements which are either in A or in B).

= ( 2, 4, 7 , 13, 14, 19, 20 , 3, 5, 6, 10,11, 12 , 15,17 , 18 , 19 )

3 0
2 years ago
5.69÷7 you can round to nearest hundredth
pogonyaev
The answer would be .81 becuase you can't round the 1 up to 2 becuase the number in the thousandths place is not above 5. 
Hope this helps!!
5 0
3 years ago
What is the difference between 4x and x4? Evaluate both of these expressions when X=2
Bezzdna [24]
There is no difference because 4•2 and 2•4 is the same you are going to get the same answer either way
7 0
3 years ago
Read 2 more answers
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