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Bess [88]
2 years ago
8

NEED HELP ASAP!!

Mathematics
1 answer:
lesya [120]2 years ago
6 0
B)50.97....................
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A calculus exam has a mean of µ = 73 and a standard deviation of σ = 4. Trina's score on the exam was 79, giving her a z-score o
kirza4 [7]

Answer:

I get z = +1.8

x= 79

m= 73;s= 4;z= (x-m)/s= 1.5

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7 0
3 years ago
If 40% of a number is 80 what is 25% of that number?
olga2289 [7]

Answer:

25% of 200 is 50

Step-by-step explanation

40% of a number is 80

.40 * n = 80

Divide each side by .4

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n = 200

The number is 200

Now lets find 25 percent of that number

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3 years ago
Write two inequalities to compare -6 and 7
adell [148]
Here are 3 inequalities:

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3 years ago
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mr Goodwill [35]

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3 years ago
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