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PtichkaEL [24]
3 years ago
8

What is the approximate circumference of a circle with a radius of 8.5 meters? Use π ≈ 3.14.

Mathematics
1 answer:
vovangra [49]3 years ago
4 0
Circumference = 2 pi r
Circumference = 2 x 3.15 x 8.5 m
Circumference = 53.4 metres
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Choose all of the following relationships that represent functions. please help!!
ser-zykov [4K]
The rule of a function is:
You CANNOT have one x-value with multiple different y values in the same function. You can however have different x values with the same y value.
Also for reference: independent means x value and dependent means y- value.

The first answer is not a function because as you can see there is one x-value with multiple y values.

second answer IS a function because as I said before you can have different x values with the same y value

third answer is a function again because you can have different x values with same y value

number four isn't a function bc again the -2 x value has 2 different y Values.
4 0
3 years ago
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? x 3= 192 answer the question
Zepler [3.9K]

Answer: 64

Step-by-step explanation:

i simply divided 192 by 3, because it's just the opposite of multiplying. it's a simple and easy way to get the missing number! :)

192 / 3 = 64

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2 years ago
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andreyandreev [35.5K]

You can drag in the first empty box ∡3 and get ∡2≅∡3.

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In the third empy box you can drag ∡1 and get ∡1≅∡3.

At last empy box you can drag ''transitive property of congruence''

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3 years ago
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Five students, adriana, ben, chandra, diana, and ernesto, would each like one of the four spots at the regional science fair. Th
krok68 [10]

The theoretical probability that Chandra will be chosen as one of the science fair participants is 0.8 or 80%.

<h3>What is theoretical probability?</h3>

Theoretical probability of an event is the ratio of number of favourable outcome to the total expected number of outcome of that event.

Five students, Adriana, Ben, Chandra, Diana, and Ernesto, would each like one of the four spots at the regional science fair.

Their names are placed in a hat, and four names are chosen at random to decide who attends the fair.

  • The total number of names are 5.
  • The total number of names chosen are 4.

The total number of ways 4 names can be taken out from 5 names is,

^5C_4.

Here one spot needs to be fixed for Chandra. Now the total number of outcome remain 4 and favourable outcome remain 3.

Thus, the number of ways 4 names can be taken out such that it contains the name Chandra is

^4C_3.

The theoretical probability that Chandra will be chosen as one of the science fair participants is,

P=\dfrac{^4C3}{^5C4}\\P=\dfrac{4}{5}\\P=0.8\\P=80\%

Thus, the theoretical probability that Chandra will be chosen as one of the science fair participants is 0.8 or 80%.

Learn more about the theoretical probability here;

brainly.com/question/8652467

#SPJ1

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2 years ago
Help with my math &lt;3
denpristay [2]
4. 1st option
5. 2nd option
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3 years ago
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