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Eduardwww [97]
3 years ago
10

A gardener uses 144 feet of fencing to build a rectangular garden. The function A(w)=24w−w2 can be used to find the area of the

garden for a given width, w. Does the function model the situation over the interval 12

Mathematics
1 answer:
levacccp [35]3 years ago
3 0

Answer:

The graph of the equation is shown in the picture attached below.

We can see w = 12 corresponds to the global maximum of the function, and for any w greater than 12 the value of A(w) decreases.

This means that for any value of the width greater than 12, the function cannot model the situation.

Making the equation only valid for

w ∈ [0,12]

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In circle N, KL ≅ ML.<br><br> What is the measure of ?<br> 77°<br> 90°<br> 132°<br> 154°
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3 years ago
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Time has a total of $28 after spending half of his weekly earnings on a video game and earning $10 additional dollars for mowing
Korolek [52]

Given:

Time has a total of $28 after spending half of his weekly earnings on a video game and earning $10 additional dollars for mowing the lawn.

To find:

Weekly earnings at his part time job.

Solution:

Let x be the weekly earning.

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He earns $10 additional dollars for mowing the lawn.

According to the question,

\dfrac{x}{2}+10=28

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5 0
3 years ago
Will mark brainliest, 60 points
Dominik [7]

Answer:

\boxed{ \bold{ \sf{ \: 1. \:  \:  \:  \:  \: 198}}}

\boxed{ \bold{ \sf{2. \:  \:  \:  \:  \:  - 8}}}

\boxed{ \bold{ \sf{ 3. \:  \:  \:  \:  \: \frac{64}{343} }}}

Step-by-step explanation:

1. Given, u = 20 , x = 4 , y = 7 , z = 10

\sf{ \frac{u}{z}  + x {y}^{2} }

⇒\sf{ \frac{20}{10}  + 4 \times  {7}^{2} }

⇒\sf{ \frac{20}{10}  + 4 \times 49}

⇒\sf{ \frac{20}{10}  + 196}

⇒\sf{ \frac{20 + 196 \times 10}{10} }

⇒\sf{ \frac{20 + 1960}{10} }

⇒\sf{ \frac{1980}{10} }

⇒\sf{198}

2. \sf{4( - 2)}

Multiplying or dividing a positive integer by any negative integer gives a negative integer

= - 8

3. \sf{( \frac{4}{7} ) ^{3} }

⇒\sf{( \frac{ {4}^{3} }{ {7}^{3} } })

⇒\sf{ \frac{4 \times 4 \times 4 }{7 \times 7 \times 7}}

⇒\sf{ \frac{64}{343} }

Hope I helped!

Best regards! :D

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You would use the method:

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That is because since you were not given any angles and only sides of the window you could only prove this with three different sides.


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