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alex41 [277]
3 years ago
8

Please help me on this one question! (10th grade level)

Mathematics
2 answers:
Semmy [17]3 years ago
3 0
Make an inequality representing both constraints.
0.5x+y<20
x+y≥24
for a
Doss [256]3 years ago
3 0

 Let x represent the number of magnets and y represent the number of key chains.

She must purchase at least 24 gifts but has to spend less than $20.


x + y >= 24

0.5x + y < 20


An appropriate solution is x=20 and y=5.  They satisfy both inequalities:


x + y = 25 so it is more than 24.

0.5x + y = 15 so it is less than 20.


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Answer:

D. \frac{525\pi}{8} m²

Step-by-step explanation:

Area of the sector = ½*r²∅

Where,

Radius (r) = 15 m

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Plug in the values into the equation

Area of sector = \frac{1}{2} * 15^2 * \frac{7\pi}{12}

Area of sector = \frac{1}{2} * 225 * \frac{7\pi}{12}

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Area of sector = \frac{1,575\pi}{24}

Simplify

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grigory [225]
<h3>Answer:  23.13 square meters</h3>

===============================================================

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This area is approximate because pi = 3.14 is approximate. Use more decimal digits in pi to get a more accurate area. However, your teacher wants you to use this specific value so it's best to stick with 23.13

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