What percent is equivalent to Two-fifths? Possible Answers... 0.4% 2.5% 25% 40%

Mathematics

2 answers:

qaws [65]3 years ago

8 0

Answer:

40%

Step-by-step explanation:

2/5= 4/10

4/10= 40%

DochEvi [55]3 years ago

5 0

40%

two fifths = 2/5. 2 divided by 5 is .4 , make it a percent and it’s 40% :)

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You take a three-question true or false quiz. You guess on all the questions. What is the probability that you will get a perfec

elena-14-01-66 [18.8K]

The probability that you will guess the first answer correctly = 1/2 = 0.5
The probability that you will guess the second answer correctly = 1/2 = 0.5
The probability that you will guess the third answer correctly = 1/2 = 0.5

The probability that you will guess all three answers correctly is

(0.5) x (0.5) x (0.5) = 0.125 = 12.5% .

============================

Here are all the ways your answer sheet could wind up:
(R = a right answer. W = a wrong answer.)

W W W
W W R
W R W
W R R
R W W
R W R
R R W
R R R

Number of possible ways to score 0 right out of 3 questions: 1 way
Number of possible ways to score 1 right out of 3 questions: 3 ways
Number of possible ways to score 2 right out of 3 questions: 3 ways
Number of possible ways to score 3 right out of 3 questions: 1 way

Statistically, if your answers are all pure guesses,
then on the average, the score you expect is

(0 + 33-1/3 + 33-1/3 + 33-1/3 + 66-2/3 + 66-2/3 + 66-2/3 + 100) / 8

= 400 / 8

= 50% .

If you're happy with that score, great !
Go to the movies the night before the test,
and start guessing.

5 0

2 years ago

Is 1/3x-2y=7 a linear function

Ann [662]

Answer:

The equation is not a linear function.

5 0

3 years ago

HELP PLEASE ILL GIVE YOU BRAINLIST !! I DONT UNDERSTAND IT .

inn [45]

Step-by-step explanation:

$35 + 35 = 70$