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zlopas [31]
3 years ago
6

suppose a normal distribution has a mean of 120 and a standard deviation of 10. What is P( x>= 100)?

Mathematics
1 answer:
fredd [130]3 years ago
3 0

Answer: The answer is D

Step-by-step explanation:

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3 years ago
The tuition costs, c, for a local community college are modeled by c(h) = 250 200h, where h represents the number of credit hour
user100 [1]

The number of credit hours a student have to take for the two tuition costs to be equal is 2.5 hours. Option A

<h3>Equation</h3>

  • local community college;

c(h) = 250 + 200h

  • local state University;

s(h) = 300 + 180h

Where,

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To have equal tuition in both schools,

equate both function

250 + 200h = 300 + 180h

200h - 180h = 300 - 250

20h = 50

h = 50/20

h = 2.5 hours.

The number of credit hours a student have to take for the two tuition costs to be equal is 2.5 hours.

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4 0
2 years ago
Is 2x+5=10 an example of an expression? Why or why not? If not, what would you call it instead?
serg [7]

Answer:

No; equation

Step-by-step explanation:

2x+5 = 10 is not an expression rather it's an equation because it has an equal sign. An expression is a number, a variable, or a combination of numbers and variables and operation symbols. An equation is made up of two expressions connected by an equal sign.

4 0
3 years ago
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