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Katen [24]
3 years ago
5

Am I right vote you brainiest

Mathematics
1 answer:
ryzh [129]3 years ago
6 0

Answer:

false

Step-by-step explanation:

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EF is a median of trapezoid ABCD. what is the value of x?
goldfiish [28.3K]
Since the given figure is a trapezoid, here is how we are going to find for the value of x. Firstly, the sum of the bases of the trapezoid is always equal to twice of the median. So it would look like this. 2M = A + B.
Plug in the given values above.
2M = (<span>3x+1) + (7x+1)
2(10) = 10x + 2
20 = 10x + 2
20 - 2 = 10x
18 = 10x < divide both sides by 10 and we get,
1.8 = x
Therefore, the value of x in the given trapezoid is 1.8. Hope this is the answer that you are looking for. 

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3 years ago
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Orlov [11]
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natali 33 [55]
Check the picture below.

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3 years ago
The mean score on a biology exam taken by all undergraduate students in a college in a particular year is 67.8 with a standard d
Ket [755]
In this question we simple wish to calculate the standard error and margin of error from the population. This can be done purely using the standard deviation and sample size.

Standard error
= std dev / (SQRT) n
= 11.5 / SQRT of 70
= 11.5 / 8.366
= 1.374

Margin of error is the standard error multiplied by a Z value that correspondence to a confidence percentage. At a 95% confidence the Z value is 1.96. Therefore
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3 years ago
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How to graph this inequalitie X&lt;-4
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