3 years ago

What is the area of the quadrilateral below?

Mathematics

2 answers:

mestny [16]3 years ago

6 0

Answer:

Step-by-step explanation:

A = Base x height

Base = 15

height = 4

= 60 square meter

Tcecarenko [31]3 years ago

5 0

Answer:

it is c because all I did was algarithims so yes it would be c

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Alex777 [14]

Answer:

The correct option is b) 4.71

Step-by-step explanation:

Consider the provided information.

Test statistic for proportion: $z=\frac{\hat p-p}{\sqrt{\frac{pq}{n}}}$

It is given that the claim is that the proportion of accidental deaths of the elderly attributable to residential falls is more than 0.10, and the sample statistics include n=800 deaths of the elderly with 15 percent of them attribute to residential falls.

Therefore, $\hat p=0.15$ , p = 0.1, q = 1-0.1 = 0.9 and n = 800.

Substitute the respective values in the above formula.

$z=\frac{0.15-0.1}{\sqrt{\frac{0.1\times0.9}{800}}}$

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