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Alexus [3.1K]
2 years ago
14

Rewrite each radian measure in degrees. 5л/2

Mathematics
1 answer:
Alex_Xolod [135]2 years ago
7 0

\frac{5\pi}{2}  \times  \frac{180}{\pi}  =  \frac{900\pi}{2\pi}  = 450 \: degrees

ok done. Thank to me :>

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3 years ago
Which of the following points satisfies the inequality y>1/3x-2 which side should be shaded
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Step-by-step explanation:

4 0
3 years ago
suppose that the distribution for total amounts spent by students vacationing for a week in florida is normally distributed with
pentagon [3]

The probability that the SRS of 10 students will spend an average of between 600 and 700 dollars is 0.8132.

Let x be the total amount spent by students.

x follows normal distribution with mean μ = 650,

                                  standard deviation δ = 120

We take a simple random sample of size n = 10

We are asked to find average spending of 10 students ( x ) is between 600 and 700

We have to find P( 600 <= x <= 700)

According to the sampling distribution of the sample mean x, it follows an approximately normal distribution with mean μ{x} = μ and standard deviation  δ{x} = {δ}/{√n}

Therefore here mean of x,( μ{x} ) = 650 and

standard deviation of x, δ{x} = {120}/{√10} = 37.9473

The probability that the SRS of 10 students will spend an average of between 600 and 700 dollars is,

Let Z= x - μ / δ

Z₁ = 600 - 650 / 37.9473 = -1.32 similarly

Z₂ = 700 - 650 / 37.9473 = 1.32

From standard normal distribution table, P( -1.32 <  x  <  1.32) = 0.8132

The probability that the SRS of 10 students will spend an average of between 600 and 700 dollars is 0.8132

To learn more about Normal distribution click here:

brainly.com/question/15103234

#SPJ4

3 0
1 year ago
F(x) = x + 7<br> and<br> g(x) = x2<br> What is g( f(-9))
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Answer:

4

Step-by-step explanation:

6 0
2 years ago
Read 2 more answers
Which explanation best describes how to solve this problem? Marcia covered her kitchen floor with twice as much tile as her bath
erica [24]

Answer:

54 ft^2

Step-by-step explanation:

Bathroom area is 15 ft^2

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Front door: 9ft^2

The total is all the areas added together

Total = bathroom + kitchen + front door

         = 15 ft^2     + 30 ft^2  + 9 ft^2

         = 54  ft^2

7 0
3 years ago
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