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3 years ago

Which of these graphs represents a rate of change of 4?

Mathematics

1 answer:

mamaluj [8]3 years ago

7 0

<h2><em>The last graph because the slope is 40. </em></h2><h2><em> </em></h2><h2><em>Slope equals rise over run </em></h2><h2><em> </em></h2><h2><em>Rise is 4/ Run is 1 </em></h2><h2><em> </em></h2><h2><em>4/1=4 </em></h2><h2><em> </em></h2><h2><em>Slope (rate of change)=4</em></h2><h2><u><em>C</em></u></h2>

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yanalaym [24]

Answer:

Sn = n/2[2a + (n-1)d]

n=11

a=2

d=3

Sn= 11/2[2(2) + (11-1)3]

Sn= 11/2(34)

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3 years ago

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Angelina_Jolie [31]

Answer:

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Step-by-step explanation:

Reference angle = 47°

Opp = 25 ft

Adj = x

Apply trigonometry ratio TOA:

Tan 47 = Opp/Adj

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x*Tan 47 = 25

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3 years ago

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3 years ago

A water sprinkler sends water out in a circular pattern. How many feet away from the sprinkler can it spread water if the area f

otez555 [7]

Answer:

The sprinkler can spread water 18 feet away.

Step-by-step explanation:

We are given the following in the question:

Area formed by watering pattern = 1,017.36 square feet

We have to find the how far the sprinkler spread the water.

The sprinkler covers a circular area. We need to find the radius of this circular area to find the how far the sprinkler spread the water.

Area of circle = $A = \pi r^2$

Putting values, we get:

$1017.36 = 3.14 r^2\\\\r^2 = \dfrac{1017.36}{3.14}\\\\r^2 = 324\\r = \sqrt{324} = 18\text{ feet}$

Therefore, the sprinkler can spread water 18 feet away.

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3 years ago