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charle [14.2K]
3 years ago
8

PLEASE HELP! :( What is the surface area of the right cone below?

Mathematics
2 answers:
AleksandrR [38]3 years ago
6 0

Answer:

<em>A≈606.32</em>

Step-by-step explanation:

you need to use this equation: A=πr(r+h^2+r^2) to figure it out...

just plug your length, height, and radius in, and u have ur answer!!

ur answer shud be <em>A≈606.32</em>

<em />

Hope this helps!!

DaniilM [7]3 years ago
3 0

The surface area of the right cone is 176π sq unit. Option C.

Step-by-step explanation:

Given,

The radius (r) of the cone = 8 unit

Slant height (l) = 14 unit

To find the surface area of the right cone.

Formula

The surface area of the right cone = πrl+πr² sq unit

Now,

The surface area of the right cone = π×8×14+π×8² sq unit

= 112π+64π = 176π sq unit.

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3 years ago
Find an equation for the line that passes through the point (-4, 10) and (16, -2)
Crank

Answer:

y = 3/5x + 62/5

Step-by-step explanation:

Equation of a line with two points is

m = y - y_1 / x - x _1

m = y_2 - y_1 / x_2 - x _1

Equating both

y - y_1 / x - x_1 = y_2 - y_1 / x_2 - x_1

Using what we are provided with

(-4 , 10)(16 , -2)

x_1 = -4

y_1 = 40

x_2 = 16

y_2 = -2

Imputing the values

10 - (-2) / 16 - (-4) = y - 10 / x - (-4)

10 + 2 /16 + 4 = y - 10 / x + 4

12 / 20 = y - 10 / x + 4

Lets cross multiply

12 ( x + 4) = 20(y - 10)

Open the brackets

12x + 48 = 20y - 200

12x + 48 + 200 = 20y

12x + 248 = 20y

Following this equation of line

y = mx + C

20y = 12x + 248

Let's divide through by 20 to get y.

20y / 20 = 12x + 248 / 20

y = 12x + 248 / 20

We can separate it by

y = 12x / 20 + 248 / 20

y = 3/5x + 62/5

Therefore, the equation of the line is

y = 3/5x + 62/5

3 0
3 years ago
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jek_recluse [69]

Answer:

i√17 ≈ 4.123106i

Step-by-step explanation:

The square root of a negative number is "i" times the square root of its absolute value. It is an imaginary number.

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i is generally the symbol used for √(-1). In some fields, such as electrical engineering, where i has a different meaning, the symbol j may be used instead.

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3 years ago
Which is greater 1 2/4 or 1 3/4
elixir [45]

Answer:

this is simple... 1 3/4

Step-by-step explanation:

5 0
2 years ago
Read 2 more answers
(0.1296)^3/4 of law of indices plz step by step​
Serjik [45]

Answer:

\boxed {\frac{27}{125}}

Step-by-step explanation:

Solve the following expression:

(0.1296)^{\frac{3}{4}}

-Calculate 0.1296 to the power of \frac{3}{4}:

(0.1296)^{\frac{3}{4}}

\boxed {\frac{27}{125}}

Therefore, the final answer is \frac{27}{125}.

3 0
3 years ago
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