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laiz [17]
3 years ago
11

What is the mean for this data. Plz explain

Mathematics
1 answer:
stepan [7]3 years ago
4 0

Answer:

18

Step-by-step explanation:

Mean is the average of the data.

There is one 7.

Three 9's.

Two 10's

7+9+9+9+10+10=54

There are only 3 numbers with actual data so 6 and 8 don't matter.

54÷3=18

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6x-y=-23 8x+3y=-9 Substition method (Show it step by step please!)
Tanya [424]

Answer:

solution is (- 3, 5 )

Step-by-step explanation:

given the 2 equations

6x - y = - 23 → (1)

8x + 3y = - 9 → (2)

rearrange (1) expressing y in terms of x

y = 6x + 23 → (3)

Substitute y = 6x + 23 into (2)

8x + 3(6x + 23 ) = - 9

8x + 18x + 69 = - 9

26x + 69 = - 9 ( subtract 69 from both sides )

26x = - 78 ( divide both sides by 26 )

x = - 3

substitute x = - 3 into (3)

y = (6 × - 3 ) + 23 = - 18 + 23 = 5

solution is (- 3, 5 )


5 0
3 years ago
4xi + 5yi^8+ 6xi^3 + 2yi^4
Ad libitum [116K]

Answer:

The correct answer is,

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5 0
3 years ago
Extra point brainllyest plz answer asap 4 2/5 + 5 2/6
g100num [7]
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5 0
3 years ago
Read 2 more answers
Can someone please help me
Ymorist [56]

Answer:

The mode is 31

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7 0
2 years ago
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abraham has 16 blue marbles and 18 rwd marbles. if he wamts to place them in identical groups without any marbles left over
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Answer:

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Step-by-step explanation:

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