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Sunny_sXe [5.5K]
3 years ago
10

46 + 1) + y = 5(y - 1) +9 Solve

Mathematics
1 answer:
Radda [10]3 years ago
7 0

Answer:

y=10.75

Step-by-step explanation:

46 + 1) + y = 5(y - 1) +9

47+y=5y-5+9

47+y=5y+4

Collect like terms

47-4=5y-y

43=4y

Divide by 4

43/4=4y/4

43/4=y

y=10.75

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The computation of the index shows that the value of 9 × 10² will be 900.

<h3>How to calculate the indices?</h3>

From the information given, we are told to calculate the value of 9 × 10². This will be calculated thus:

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the cylinder has radius 4√3 and hight h. the total surface area of the cylinder is 56π√6. find the exact value of h giving the a
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The area of the cylinder is a function of its height (h) and radius, (\mathbf{4\sqrt 3})

The exact value of h is: \mathbf{7\sqrt 2- 4\sqrt 3}

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\mathbf{Area =56\pi\sqrt 6}

\mathbf{r=4\sqrt 3}

The surface area of a cylinder is calculated as:

\mathbf{Area = 2\pi rh + 2\pi r^2}

Substitute values for Area

\mathbf{56\pi\sqrt 6= 2\pi rh + 2\pi r^2}

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\mathbf{56\sqrt 6= 2 rh + 2r^2}

Substitute value for r

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Collect like terms

\mathbf{8h\sqrt 3 = 56\sqrt 6- 96}

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Rationalize

\mathbf{h = 7\sqrt 2- \frac{12\sqrt 3}{3}}

\mathbf{h = 7\sqrt 2- 4\sqrt 3}

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