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olchik [2.2K]
2 years ago
5

surface area of a cone is 320 surface meters. another cone has a surface area of 20 square meters. what is the scale factor used

to create the smaller cone
Mathematics
2 answers:
Serjik [45]2 years ago
7 0
I believe that the answer is 16, i believe that is the answer.
aliya0001 [1]2 years ago
6 0

The surface area of first cone is 320 square meters.

The surface area of second cone is 20 square meters.

Now scale factor can be found by dividing the surface area of bigger or first cone by that of surface area of second or smaller cone.

So if we divide 320 by 20 , we will get 16.

So we can say that the scale factor is 16

Answer : The scale factor that is used to create the smaller cone from bigger cone is 16.

Hope this helps !!!

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6 0
3 years ago
Look at the relation below.
Mariana [72]

Answer:

If we remove one ordered pair (1, -2) then the set of points would represent a function.

Hence, option C i.e. (1, -2) is correct.

Step-by-step explanation:

We know that a function is a relation where each input or x-value of the X set has a unique y-value or output of the Y set.

In other words, we can not have duplicated inputs as there should be only 1 output for each input.

Given the relation

{(-2,4), (4,-2), (1,1), (1,-2), (0,1), (6,4)}

If we closely check, we can observe that the input x = 1 is repeated twice.

In other words, there are two ordered pairs (1, 1) and (1, -2) with the same input x = 1. So, x = 1 is duplicated here.

We know that we can not have duplicated inputs as there should be only 1 output for each input.

Therefore, if we remove one ordered pair (1, -2) then the set of points would represent a function.

Hence, option C i.e. (1, -2) is correct.

3 0
2 years ago
Help pls! this is due tonight. thanks!
erma4kov [3.2K]

Answer:

Neon: 0

Oxide:  -2

Copper:   2

Tin:  0

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6 0
2 years ago
Read 2 more answers
How to find the LCM OF two numbers
svet-max [94.6K]
You list the multiples of both numbers and see which number they share that is on each table For example, 3,6,9,(12),15,18,21,(24) 4,8,(12),16,20,(24) 12 is the least common multiple of the numbers 3 and 4
6 0
3 years ago
A musician spends 90 minutes practicing piano and guitar the time spent is 30 minute less than twice the same time spent on guit
11111nata11111 [884]

Answer:

The which spends on the piano is( 50 minutes )

The which spends on the guitar is( 40 minutes )

Step-by-step explanation:

The steps of the solution in the above photo

I hope that is useful for you :)

8 0
3 years ago
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