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Anarel [89]
3 years ago
13

If the bases of a trapezoid have lengths of 19 and 38, what is the length if the median?

Mathematics
1 answer:
Feliz [49]3 years ago
7 0
Length of the median would be: a+b / 2 = 19+38 / 2 = 57/2 = 28.5
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Three friends grow groups of sunflowers. Some think that Anna’s flowers are the tallest because the mean height of her flowers i
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We have to find the graph where the mean of the flower heights is higher and the median is lower.

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2st graph
M = ( 2 + 6 + 2 + 1 + 1 + 3 ) / 6
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Hope this helps, good studies.
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8 0
3 years ago
John’s father is 5 times older than John and John is twice as old as his sister Alice. In two years time, the sum of their ages
oksano4ka [1.4K]

Answer:

John’s age is 8 years

Step-by-step explanation:

Let

x -----> John’s father's age

y -----> John’s age

z -----> John’s sister's age

we know that

x=5y -----> equation A

y=2z

z=y/2 -----> equation B

(x+2)+(y+2)+(z+2)=58

x+y+z+6=58

x+y+z=52  -----> equation C

Substitute equation A and equation B in equation C and solve for y

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Multiply by 2 both sides to remove the fraction

10y+2y+y=104

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<em>Find the value of x</em>

x=5(8)=40

<em>Find the value of z</em>

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therefore

John’s father's age is 40 years

John’s age is 8 years

John’s sister's age is 4 years

7 0
3 years ago
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