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Ket [755]
3 years ago
6

A circle has a radius of 4.2 cm which measurement is closest to the area of the circle in square cm

Mathematics
2 answers:
3241004551 [841]3 years ago
4 0

Answer:

4.2 times 2 then times 3.14= 26.376 but the closest is c

Step-by-step explanation:

Triss [41]3 years ago
4 0

Answer:

c. 26.39cm

Step-by-step explanation:

A= πr²

A= 3.14(4.2)²

A= 26.39 cm²

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You draw a card from a deck. If you get a diamond, you win nothing. You lose $2 if getting a heart. If you got a spade, you win
tino4ka555 [31]

Answer:

Step-by-step explanation:

Let  X = amount you can win at this game (# of dollars you can win)

x = (0, -2, 6, 10, 15)

  • P(X=0) = P(probability of picking a diamond) = 13/52 = .25
  • P(X=-2) = P(probability of picking a heart) = 13/52 = .25
  • P (X= 6) = P(probability of picking a spade) = 13/52 = .25
  • P(X=10) = P(probability of picking a club) = 12/52 ≈ .231
  • P(X=20) = P(probability of picking the ace of clubs) = 1/52 ≈ .019

Probability Distribution of X

x p(X = x) Decimal

0 13/52 0.25

-2 13/52 0.25

6      13/52       0.25

10 12/52 0.231

15 1/52         0.019

Total  52/52   1.00

3 0
3 years ago
What is the exponential notation for 262,144
7nadin3 [17]

since there is always a decimal at the end of every value so :

           = 262144.0 

        you move the decimal backwards if there is no decimal between the value. you place the decimal after the 1st digit, you will also count the digits you have passed : 

         = 2.62144 X 10^5 

you passed 5 values so you put 5 in exponent form.


7 0
3 years ago
Read 2 more answers
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Komok [63]

Answer:

d

Step-by-step explanation:

you just get the same anwser

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Step-by-step explanation:

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