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Leona [35]
2 years ago
11

A round cake has a diameter of 30 cm. What is the circumference of the cake?

Mathematics
2 answers:
andre [41]2 years ago
8 0

Answer: 56

Step-by-step explanation:

Just trust me I had this question on a quiz

Nonamiya [84]2 years ago
3 0

Answer:

The circumference of cake board is 35π cm

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Which is the best first step and explanation for solving this system of equations?
Volgvan

Answer:

x=-4/9, y=10/3. (-4/9, 10/3).

Step-by-step explanation:

3x+4y=12

3x=2y-8

--------------

2y-8+4y=12

6y-8=12

6y=12+8

6y=20

y=20/6

simplify,

y=10/3

3x=2(10/3)-8

3x=20/3-8

3x=20/3-24/3

3x=-4/3

x=(-4/3)/3

x=(-4/3)(1/3)=-4/9

x=-4/9, y=10/3. (-4/9, 10/3).

7 0
3 years ago
How much is 10 minus 2??
Arlecino [84]
10-2=8
Hope that helps!
5 0
3 years ago
You discovered 1000 grams of an unknown element called Coolium 23 that has a half life 23 days. How long will it take for you to
Trava [24]

Answer:

13.8 days

Step-by-step explanation:

In this case we can solve it by means of a rule of three, knowing the amount of life for 1000 grams, it must be proportional for 600 grams, like this:

grams   days

 1000     23

 600        x

x = 600 * 23/1000

x = 13.8

which means that for the 600 grams it would be an average life of 13.8 days.

4 0
3 years ago
2.943÷2.7 any help???
Zinaida [17]

The answer will be 1.09. Hope this will help you!

6 0
3 years ago
Read 2 more answers
Could someone explain this?
77julia77 [94]

9514 1404 393

Answer:

  2

Step-by-step explanation:

The curve's highest value is -1.

The curve's lowest value is -5.

For a symmetrical wave like this*, the amplitude is half the difference between the highest and lowest values:

  1/2(-1 -(-5)) = 2

The amplitude is 2.

_____

* There is no general agreement as to how to compute the amplitude when the wave is asymmetrical. Some authors use the same formula. Some consider the amplitude to be the maximum deviation from average. Some define only a "peak-to-peak" amplitude in those cases. The meaning of "amplitude" in those cases depends on the context in which the question is asked.

8 0
3 years ago
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