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Sholpan [36]
3 years ago
10

A number is 4 hundreds more than 399what is the number

Mathematics
2 answers:
storchak [24]3 years ago
7 0
799 is the answer to this
soldi70 [24.7K]3 years ago
3 0
The answer would be 799
399 + 400 = 799
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VladimirAG [237]
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2 years ago
Which is the following number has a prime factorization of 2 x 5x5? 50. 20. 30. 15.​
dybincka [34]
AnsweR = 50
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3 years ago
A company invests $32000. after 4 years of growth at the same rate each year, the investment is worth $42692. find the annual gr
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that is the solution above

6 0
1 year 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

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3 0
11 months ago
What the hell is this they didn’t teach me this help me
Rudik [331]

Answer:

C

Step-by-step explanation:

Area = πr^{2}

r means radius

radius = d/2

d = diameter

8 /2 = 4

4 is radius

4^{2} = 16

^ ( its 4 x 4 ) ^

so then,

Area = 16π

4 0
2 years ago
Read 2 more answers
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