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Vlad1618 [11]
2 years ago
10

The figure below shows a circular lawn. Its diameter is 26ft. 26ft (a) Use the calculator to find the area and circumference of

the lawn. Use 3.14 for π in your calculations, and do not round your answers. Make sure to include the correct units. Area: Circumference: (b) Fertilizer will be applied to the lawn. Which measure would be used in finding the amount of fertilizer needed? Circumference Area (c) The lawn will be surrounded by tape. Which measure would be used in finding the amount of tape needed? Circumference Area

Mathematics
1 answer:
attashe74 [19]2 years ago
7 0

The area and the circumference of the circle are 530.93 square ft and 81.68 ft. If fertilizer will be applied to the lawn. Then the area is used. If the lawn will be surrounded by tape. Then the circumference is used.

<h3>What is a circle?</h3>

It is the centre of an equidistant point drawn from the centre. The radius of a circle is the distance between the centre and the circumference.

The figure below shows a circular lawn. Its diameter is 26 ft.

Then the area of the circle will be

\rm A = \dfrac{\pi }{4} d^2\\\\A = \dfrac{\pi }{4}  \times 26^2\\\\A = 530.93 \ \ ft^2

Then the circumference of the circle will be

Circumference = π d

Circumference = π × 26

Circumference = 81.68 ft

If fertilizer will be applied to the lawn. Then the area is used.

If the lawn will be surrounded by tape. Then the circumference is used.

More about the circle link is given below.

brainly.com/question/11833983

#SPJ1

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The chi-squared test statistic will be 3.11. The test statistic is contrasted with a predicted value based on the Chi-square distribution.

<h3>What is the chi-squared test statistic?</h3>

Finding the squared difference between the actual and anticipated data values, then dividing that difference by the expected data values, constitutes the test statistic.

The formula for the chi-squared test statistic is;

\sum \frac{(O_i-E_i)^2}{E_i } \\\\

Where,

\rm O_i is the observed value

\rm E_i is the expected value

The chi-square test statics is;

\rm( \frac{18-18}{18} )^2 +( \frac{14-18}{18} )^2 + (\frac{24-18}{18} )^2+( \frac{16-18}{18} )^2 \\\\ 0+ \frac{16}{18}+ \frac{36}{18} +\frac{4}{18}\\\\ \frac{56}{18} \\\\ 3.11

Hence, the chi-squared test statistic will be 3.11.

To learn more about the chi-squared test statistic refer;

brainly.com/question/14082240

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5 0
2 years ago
Craig made a mobile using geometric shapes including triangles shaped as shown. For what value of X and Y can you use a triangle
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Answer:

x = 3

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8x - 12 = 12

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Three different equations that have x=5 as a solution
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For example

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Damon and Eddie each had an equal amount of money. Each day Damon spent $18 and Eddie spent $24. When Eddie used up all his mone
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D = $18
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