4 years ago

How many pairs of parallel sides does a trapezoid have?

Mathematics

2 answers:

german4 years ago

6 0

The answer is in fact 1 pair.

alexdok [17]4 years ago

3 0

Only one pair. the top and bottom. The sides are not because they will eventually intersect with each other.

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pls hurry what is the area if the parallelogram that has a base of 10 cm longer and a height of 7 inches taller than the paralle

Len [333]

Answer:

Area=bh

10.5 in^2 =(3/4 in) (h in)

h=10.5/(3/4)=10.5/.75=14 in

Height = 14 in.

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3 years ago

The differences between a number and 12 is 20

Alika [10]

X-12=20
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answer is 32

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3 years ago

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ivanzaharov [21]

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3 years ago

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Anika [276]

Answer:

Step-by-step explanation:

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6 0

3 years ago

Read 2 more answers

Given a mean of 61.2 and a standard deviation of 21.4 what is the z score of the value 90 rounded to the nearest tenth?

Nitella [24]

Answer:

The z-score of 90 is 1.35

Step-by-step explanation:

The z-score is calculated using the formula:

$z = \frac{x - \mu}{ \sigma}$

From the question, it was given that the mean is

$\mu = 61.2$

and the standard deviation is

$\sigma = 21.4$

and x=90.

We substitute the given values to obtain:

$z = \frac{90 - 61.2}{21.4}$

$z = \frac{28.8}{21.4} = 1.35$

6 0

3 years ago