3 years ago

Could I have some help with number 12?

Mathematics

1 answer:

Alex787 [66]3 years ago

8 0

Answer:city b because it would coast less for a car and more in city a

Step-by-step explanation:

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m_a_m_a [10]

Answer:

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Step-by-step explanation:

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3 years ago

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The radius of a circle with an area of 60 square centimeters is represented by the expression √60/π centimeters. What is another

monitta

Answer:

r= 2 √(15/π)

Step-by-step explanation:

Given that :

Area of circle =60sq cm

radius=√60/π

$Area=\pi r^2\\60=\pi r^2\\\\\sqrt{\frac{60}{\pi}}=r\\\\\sqrt{\frac{15\times 4}{\pi}}=r\\2\sqrt{\frac{15}{\pi}}=r$

Hence the radius can be written as 2 √(15/π)

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3 years ago

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larisa86 [58]

Answer:

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Step-by-step explanation:

Ball B: diameter in mm = 9.5 * 10 = 95 mm

Ratio of Ball A to Ball B = 40 : 95

= 8:19 answer

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Rzqust [24]

Answer:

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Step-by-step explanation:

$\frac{3}{4}\times\:14\\\\\mathrm{Convert\:element\:to\:fraction}:\quad \:14=\frac{14}{1}\\=\frac{3}{4}\times\frac{14}{1}\\\\\mathrm{Cross-cancel\:common\:factor:}\:2\\=\frac{3}{2}\times\frac{7}{1}\\\\=\frac{3\times\:7}{2\times\:1}\\\\=\frac{21}{2}$

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32 sides of a polygon has 20 triangles.

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