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3 years ago

Eee help meee it’s due today

Mathematics

1 answer:

wolverine [178]3 years ago

5 0

2) 2/7 divided 1/3 = 6/7

3) 4/9 times 3/8 = 1/6

4) 5/8 times 2/15 = 1/12

5) 1 divided 3/4 = 1 1/3

6) 1/8 times 8 =1/64

7) 2 1/4 times 1/6 = 3/8

8) 5/8 times 2 2/3 = 1 2/3

9) 1 1/8 times 4 = 4 1/2

10) 2 1/5 divided 11 = 1/5

11) 4 1/2 times 1 1/3 =6

12) 2 1/7 divided 3 3/7

13) 2 2/9 times 7 = 16

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A survey of 140 freshmen business students at a local university produced the results listed below. How many students took only

Hunter-Best [27]

15

A total of 39 took psychology. 12 of those took that and science and another 10 of those took that and history. 2 people took all three. 12+10+2 = 24 students who took psychology along with another class. To find the number of students who took ONLY psychology, you would take 39 and subtract 24, which leaves you with 15.

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2 years ago

Let W be a random variable giving the number of heads minus the number of tails in three tosses of a coin. List the elements of

Levart [38]

Answer:

HHH, W = 3-0 = 3

HHT, W= 2-1=1

HTH, W= 2-1=1

THH, W=2-1 =1

HTT, W= 1-2=-1

THT, W= 1-2=-1

TTH, W=1-2=-1

TTT, W=0-3 = -3

So then the sample space for W is:

$S= [-3,-1,1,3]$

Just 4 possible values from 8 possible combinations for the 3 random tosses

Step-by-step explanation:

For this case we define W as the random variable who represent the number of heads minus the number of tails in three tosses of a coin.

W= # heads- # coins

Since we toss a coin 3 times we have 2*2*2= 8 possible results. We can list the results and the corresponding values for W like this:

HHH, W = 3-0 = 3

HHT, W= 2-1=1

HTH, W= 2-1=1

THH, W=2-1 =1

HTT, W= 1-2=-1

THT, W= 1-2=-1

TTH, W=1-2=-1

TTT, W=0-3 = -3

So then the sample space for W is:

$S= [-3,-1,1,3]$

Just 4 possible values from 8 possible combinations for the 3 random tosses

8 0

3 years ago

12 times the square root of 2 equals ?

Nitella [24]

$\sqrt{2}$ ≈1.41
12 x 1.41=<span>16.92</span>

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3 years ago

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Bradbury scar caught 35 fish with his net 20 percent of the fish had to be thrown back into the sea because they were too small

Lerok [7]

7 fish were thrown back

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3 years ago

jasmine took four 20 points quizzes in her math class. if her scores were,18,15,20,15, what was her mean quiz score

g100num [7]

Answer: 17

Step-by-step explanation: ok so first to find the mean you add all the numbers then divide by how many numbers there is so basically 18 plus 15 plus 20 plus 15 then divide by 4 because there is 4 numbers and once you do that it is 17

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3 years ago

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