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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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Aleks04 [339]

Answer:

Technically Andrew since his sum is technically "higher" than the rest of the negative numbers.

4 0
3 years ago
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The equation y= 1/2 x +4 is graphed below.which equation would intersect this line at (4, 6)?
Anton [14]

Answer:

we have the equation y = (1/2)*x + 4.

now, any equation that passes through the point (4, 6) will intersect this line, so if we have an equation f(x), we must see if:

f(4) = 6.

if f(4) = 6, then f(x) intersects the equation y = (1/2)*x + 4 in the point (4, 6).

If we want to construct f(x), an easy example can be:

f(x) = y = k*x.

such that:

6 = k*4

k = 6/4 = 3/2.

then the function

f(x) = y= (3/2)*x intersects the equation  y = (1/2)*x + 4 in the point (4, 6)

5 0
3 years ago
A dog owner records the weight of her dog. She finds that from the age of 20 weeks to the age of 48 weeks, the dog’s weight can b
SpyIntel [72]

Answer:

See explanation

Step-by-step explanation:

A dog owner records the weight of her dog. She finds that from the age of 20 weeks to the age of 48 weeks, the dog’s weight can be modelled by the equation

w = 0.92t-0.15\ \ \ (20\le t\le 48)

where

w = weight

t = number of week from 20 weeks to 48 weeks

If we want to extend this model to the dog's weight at birth, then find the dog's weigth when it was born.

At t = 0,

w=0.92\cdot 0-0.15\\ \\w=-0.15\ kg

We get the dog's weight -0.15 kilograms at the day the dog was born. But this is impossible, because the dog's weight cannot be negative.

8 0
3 years ago
What is the surface area of the following Rectangular prism? Express your answer in Square millimeters.
Svet_ta [14]

Answer:

8784 mm²

Step-by-step explanation:

15 cm = 150 mm

Surface area

= 2( 150 x 12) + 2(150 + 12)x16

= 3600 + 5184

= 8784 mm²

5 0
3 years ago
Julie swam, biked, and ran in a 22.2 mile triathlon. She completed the race in
Akimi4 [234]
<h2>Average speed of biking is greater than average speed for the entire race.</h2>

Step-by-step explanation:

Total distance Julie traveled in triathlon = 22.2 miles

Total time taken = 2.15 hours.

We have

             Total distance = Average speed x Time taken

             22.2 = Average speed x 2.15

             Average speed = 10.33 miles per hour.

We also have the function m = 13.8h represents the miles m Julie biked in h hours. This is also similar to

                    Total distance = Average speed x Time taken

                     m = 13.8 h

             Average speed of biking = 13.8 miles per hour.

Average speed of biking > Average speed for the entire race

Average speed of biking is greater than average speed for the entire race.

8 0
3 years ago
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