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user100 [1]
3 years ago
10

Chile yall i need HALP

Mathematics
2 answers:
Advocard [28]3 years ago
8 0
Indian Ocean ..............
yanalaym [24]3 years ago
5 0

Answer:

indian ocean

Step-by-step explanation:

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On average, at least 25,000
Anna [14]

98% of 25,000 is 24,500.

So from this, we can make the inequality:

25,000 - 500x

x = 5 days.

May I have brainliest please? :)

7 0
3 years ago
Read 2 more answers
Suppose x has a distribution with μ = 10 and σ = 9. (a) If a random sample of size n = 43 is drawn, find μx, σ x and P(10 ≤ x ≤
JulsSmile [24]

Answer:

P(10 ≤ x ≤ 12) = 0.4274

Step-by-step explanation:

Population mean = u = 10

Population Standard Deviation = \sigma = 9

Sample size = n = 43

Sample mean(\mu_{x}) is equal to the population mean. So,

Sample mean = \mu_{x} = 10

Sample standard deviation(\sigma_{x}) is equal to population standard deviation divided by square root of sample size. So,

Sample standard deviation = \sigma_{x} = \frac{9}{\sqrt{43}}=1.372

We have to find the probability that for a random sample of n = 43, the value lies between 10 and 12 i.e. P(10 ≤ x ≤ 12)

P(10 ≤ x ≤ 12) = P(x ≤ 12) - P( x ≤ 10)

We can find P(x ≤ 12 ) and P(x ≤ 10) by converting these values to z scores.

The formula for z score is:

z=\frac{x-\mu_{x}}{\sigma_{x}}

For x =12, we get:

z=\frac{12-10}{1.3725}=1.457

For x =10, we get:

z=\frac{10-10}{1.3725}=0

So,

P(x ≤ 12) - P( x ≤ 10) = P(z ≤ 1.457) - P(z ≤ 0)

From the z table,

P(z ≤ 1.457) = 0.9274

P(z ≤ 0) = 0.5

So,

P(x ≤ 12) - P( x ≤ 10) = P(z ≤ 1.458) - P(z ≤ 0) = 0.9274 - 0.5 = 0.4274

So,

P(10 ≤ x ≤ 12) = P(x ≤ 12) - P( x ≤ 10) = 0.4274

Therefore,

The probability that for a random sample of size 43, the mean lies between 10 and 12 is 0.4274.

8 0
3 years ago
To buy a car for $36,000 Stacy use your credit card which charges 20% interest and borrowed the restroom and all my bank the cha
alisha [4.7K]

Answer:

12bwwww hey yo

Step-by-step explanation:

lets for a party

3 0
3 years ago
Given the functions f(x) = x2 + 6x − 1, g(x) = –x2 + 2, and h(x) = 2x2 − 4x + 3, rank them from least to greatest based on their
nevsk [136]
Axis of symmetry = x = -b/2a
where y = ax² + bx + c

f(x) = x² + 6x - 1 ⇒ a = 1 ; b = 6 ; c = -1
x = -(6)/2(1) = -6/2 = -3

g(x) = -x² + 2 ⇒ a = -1 ; b = 0 ; c = 2
x = -0/2(-1) = 0/-2 = 0

h(x) = 2x² - 4x + 3 ⇒ a = 2 ; b = -4 ; c = 3
x = -(-4)/2(2) = 4/4 = 1

least :       f(x) = x² + 6x - 1    ; axis of symmetry is -3
middle :    g(x) = -x² + 2         ; axis of symmetry is 0
greatest :  h(x) = 2x² - 4x + 3 ; axis of symmetry is 1
5 0
3 years ago
Read 2 more answers
384/84 = <br> iiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii
Verizon [17]

Answer:

32/7, 4 4/7 or 4.57

Step-by-step explanation:

(384/84) ÷ (12/12) = (32/7)

to mixed number: 4 4/7

to decimal: 4.571429

3 0
3 years ago
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