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vivado [14]
2 years ago
8

I need help pls pls pls

Mathematics
1 answer:
morpeh [17]2 years ago
8 0

Answer:

there is no picture??????????

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The population mean annual salary for environmental compliance specialists is about ​$63 comma 500. A random sample of 31 specia
Nat2105 [25]

Answer:

0.0035289

Step-by-step explanation:

From the question;

mean annual salary = $63,500

n = sample size = 31

Standard deviation = $6,200

Firstly, we calculate the z-score of $60,500

Mathematically;

z-score = x-mean/SD/√n = (60500-63500)/6200/√(31) = -2.6941

So we want to find the probability that P(z < -2.6941)

We can get this from the standard normal table

P( z < -2.6941) = 0.0035289

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3 years ago
Dr.Lee's dentist practices is open for 7 hours each day. His receptionist schedules appointments, allowing 1/2 hour for a cleani
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Step-by-step explanation:

Below is an attachment containing the solution.

4 0
3 years ago
A bank offers a loan for $8,000 which earns 4.25% interest compounded annually. What is the correct formula to determine how muc
Kisachek [45]

Answer:

C, A = 8,000(0.0425)5

7 0
3 years ago
How can an expression written in either radical form or rational exponent form be rewritten to fit the other form?
adell [148]
When dealing with radicals and exponents, one must realize that fractional exponents deals directly with radicals. In that sense, sqrt(x) = x^1/2
Now, how to go about doing this: 

In a fractional exponent, the numerator represents the actual exponent of the number. So, for x^2/3, the x is being squared. 

For the denominator, that deals with the radical. The index, to be exact. The index describes what KIND of radical (or root) is being taken: square, cube, fourth, fifth, and so on. So, for our example x^2/3, x is squared, and that quantity is under a cube root (or a radical with a 3). Here are some more examples to help you understand a bit more:
x^6/5 = Fifth root of x^6
x^3/1 = x^3
^^^Exponential fractions still follow the same rules of simplifying, so...
x^2/4 = x^1/2 = sqrt(x)

Hope this helps!
8 0
3 years ago
The equation x squared + y squared = r squared
WITCHER [35]
(5-0)^2+(-2+0)^2=r^2\\&#10;25+4=r^2\\&#10;29=r^2\\\\&#10;\boxed{x^2+y^2=\sqrt{29}}
5 0
3 years ago
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