4 years ago

What is .65% of 160? show your work?

Mathematics

1 answer:

photoshop1234 [79]4 years ago

7 0

65/100 ×160 =104 is the answer

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When a system of linear equations has a

yKpoI14uk [10]

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You are finding the intersection point of the system of linear equations.

Step-by-step explanation:

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3 years ago

Use the equation g = 10 - 8t to find g when t = 2.

nydimaria [60]

G = 10 - 8(2)
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3 years ago

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The volume of a sphere is 28/3 times it surface area, find the surface area

pentagon [3]

Answer:

615.44 units squared

Step-by-step explanation:

Let the volume and surface area of the sphere be V and S respectively.

$\therefore V = \frac{28}{3} \times S\\\\\therefore \frac{4}{3} \pi {r}^{3} = \frac{28}{3} \pi {r}^{2} \\ \\ \frac{ {r}^{3} }{ {r}^{2} } = \frac{28\pi}{3} \times \frac{3}{4\pi} \\ \\ r = 7 \: units \\ \\ \because S = 4\pi {r}^{2} \\ \\ \therefore \: S = 4 \times 3.14 \times {7}^{2} \\ \\ \therefore \: S = 12.56 \times 49 \\ \\ \therefore \: S =615.44 \: {units}^{2}$