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IRISSAK [1]
3 years ago
11

Which statement is correct regarding the measurements of the parallelogram?

Mathematics
2 answers:
Mekhanik [1.2K]3 years ago
8 0

Answer:

The base is 8 and the height is 3, so the area is 8 (3) = 24 square units.

Step-by-step explanation:

The area of the parallelogram is given by the following expression:

A = \|\vec u\times \vec v\|

The vectors are, respectively:

\vec u = (10-2, 1 - 1,0-0)

\vec u = (8,0,0)

The base of the parallelogram is 8 units.

\vec v = (8-2, 4-1,0-0)

\vec v = (6,3,0)

The height of the parallelogram is 3 units.

The cross product of both vectors is:

\vec u \times \vec v = (0,0,24)

The area of the parallelogram is given by the norm of the resulting vector:

\|\vec u \times \vec v\| = 24

Ksivusya [100]3 years ago
3 0

Answer:

<h2>B. The base is 8 and the height is 3, so the area is 8 (3) = 24 square units.</h2>

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suppose that incomes of families in Newport Harbor are normally distributed with a mean of $750,000 and a standard deviation of
denis23 [38]

Answer: 0.345

Step-by-step explanation:

Given : The incomes of families in Newport Harbor are normally distributed with Mean : \mu=\$ 750,000 and Standard deviation : \sigma= $250,000

Samples size : n=4

Let x be the random variable that represents the incomes of families in Newport Harbor.

The z-statistic :-

z=\dfrac{x-\mu}{\dfrac{\sigma}{\sqrt{n}}}

For x= $800,000

z=\dfrac{800000-750000}{\dfrac{250000}{\sqrt{4}}}=0.4

By using the standard normal distribution table , we have

The probability that the average income of these 4 families exceeds $800,000 :-

P(x>80,000)=P(z>0.4)=1-P(z\leq0.4)\\\\=1-0.6554217=0.3445783\approx0.345

Hence, the probability that the average income of these 4 families exceeds $800,000 =0.345

6 0
4 years ago
Which property of addition is shown in the equation below?
andrezito [222]

Answer:

i think its identity

Step-by-step explanation:

because ur adding zero

i might be wrong, i dont know

7 0
3 years ago
Read 2 more answers
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Tju [1.3M]
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Which is greater 12.5 or 1.25
lisov135 [29]
Hello,

Your answer would be 12.5. If you notice. 1.25 is more little than 12 flat. So sense 12.5 is almost 12,isn't 12 bigger than 1. So your final answer to this question would be 12.5.


Hope this helps
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3 years ago
Share £480 in the ratio 2:3:7
aleksandr82 [10.1K]
£480

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