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solong [7]
3 years ago
7

I am finding the mean of 13, 14 , 0, 36, 18 ,12. I got an answer of 15r3 how is the answer 15.5 and not 15.3

Mathematics
2 answers:
Y_Kistochka [10]3 years ago
5 0
Mean = 13 + 14 + 0 + 36 + 18 + 12 / 6
Mean = 93/6
Mean = 15.5

So, yeah answer would be 15.5
Karolina [17]3 years ago
3 0
13+14+0+36+18+12=6 \\ 93=6x \\ x=15.5

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Find the common ratio 27,9,3,1,1/3
LenKa [72]

Answer:

1/3

Step-by-step explanation:

To find the common ratio, take the second term and divide by the first term

9/27 = 1/3

Check by dividing the third term by the second

3/9 = 1/3

and so forth

1/3 = 1/3

etc

The common ratio is 1/3

8 0
3 years ago
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Lindsey is considering purchasing an item that costs $860 and has a discount of 15 % . What is the amount of discount on
Blizzard [7]

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$129

Step-by-step explanation:

We need to find 15% of $860.

15% of $860 =

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4 0
4 years ago
Work out the value of each expression, when r= 2.5 and t = 6.
Usimov [2.4K]

Answer:

a)  4(t - r) = 4(6 - 2.5) = 4 x 3.5 = 14

b)  4t - r = (4 x 6) - 2.5 = 24 - 2.5 = 21.5

c)  2(3t - 10) = 2(3 x 6 - 10) = 2(18 - 10) = 2 x 8 = 16

d)  (t - 2)² = (6 - 2)² = 4² = 4 x 4 = 16

e) cannot decipher the equation

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8 0
3 years ago
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I need help on this question
Kitty [74]
What is the question? i think that’s important
8 0
3 years ago
If y varies directly as x and x=2 when y=−4, find y when x=−6.
kakasveta [241]

Answer:

Equation: x × -2 = y

Solution: y = 12

Step-by-step explanation:

if (x = 2) is (y = -4) then (x = 1) is (y = -2) so if (x = -6) is (y = 12) if we follow the equation [x × -2 = y] which was found using the first set of variables and dividing each by 2.

4 0
3 years ago
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