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nikitadnepr [17]
3 years ago
8

Find the mean and median from the following data: 4,28,30,35,55,42,37,35,58

Mathematics
1 answer:
tino4ka555 [31]3 years ago
8 0

Answer:

Median is 35 the one in the middle 36 zMean

Step-by-step explanation:

4+28+30+45+45+37+42+55+58 then /9= 36 is MEAN

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What is the greatest common factor of 14 and 35
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Find the shortest side of a triangle whose perimeter is 64 if the ratio of two of its sides is 4:3 and the third side is 20 less
Sergio039 [100]

Answer:

The shortest side of the triangle is 18

Step-by-step explanation:

Let the sides the triangle be x, y and z.

From the question, the perimeter of the rectangle is 64, that is

x + y + z = 64 ...... (1)

Also, the ratio of two of its sides is 4:3, that is x:y = 4:3, then we can write that x/y = 4/3 ⇒ 3x = 4y ...... (2)

The third side, z, is 20 less than the sum of the other two, that is

z + 20 = x + y ...... (3)

Substitute equation (3) into (1)

Then,

z + 20 + z = 64

2z +20 = 64

2z = 64 - 20

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z = 44/2 k

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From equation (3)

z + 20 = x + y

Then, k

22 + 20 = x +y

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x = 42 - y ...... (4)

Substitute this into equation 2

3x = 4y

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x = 42 - y

x = 42 - 18

x = 24

∴ x = 24, y = 18 and z = 22

Hence, the shortest side of the triangle is 18.

4 0
2 years ago
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6 0
2 years ago
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