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Alja [10]
3 years ago
5

What fraction is equivalent to 7 over 15

Mathematics
1 answer:
nikitadnepr [17]3 years ago
6 0
There are lots of them I know but I will only give you a few of them.

14/30    56/120
21/45    63/135
28/60    70/150
35/75    77/165
42/90    84/180
49/105  91/195


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13 inches.

Step-by-step explanation:

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A heap of grain is shaped as a cone ADCF with height 5 m and base radius 2 m, as shown on the diagram. A and C are points on the
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Step-by-step explanation:

The given parameters are;

The height of the cone = 5 m

The base radius of the cone  = 2 m

The angle which the A\hat OC = 120°

Therefore, we have;

The angle between [A_F] and the base of the cone = The angle between [CF]  and the base of the cone

The angle between [CF]  and the base of the cone = tan⁻¹(5/2) = tan⁻¹(2.5) ≈ 68.2°  

∴ The angle between [A_F] and the base of the cone = The angle between [CF]  and the base of the cone = 68.2°

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The area of the base of the cone = π × r² = π × 2² = 4·π ≈ 12.57

The area of the base of the cone ≈ 12.57 m².

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