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Ne4ueva [31]
2 years ago
5

Nolan is: x- 2, 8, 14, 20 y- 8, 9, 10, 11

Mathematics
1 answer:
devlian [24]2 years ago
5 0
The answer is 1 if I remember correctly
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Solve using the Quadratic Formula.
sveticcg [70]
A) x=5+/-73 is the answer I think
4 0
3 years ago
The volume of a rectangular prism is 3,240 ft3. The prism is 9ft long and 12ft wide. How tall is the rectangular prism? Please h
Softa [21]
3.5*10^5
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5 0
3 years ago
The weights of the fish in a certain lake are normally distributed with a mean of 11 lb and a standard deviation of 6. if 4 fish
Alexus [3.1K]

Since the sample standard deviation is now known, we use the z-score test. The formula is given as:

z= (X – μ) / (s / sqrt(n))

Where,

X = sample mean = 8.6 lb to 14.6 lb

μ = population mean = 11 lb

s = population standard deviation = 6

n = sample size = 4

1st: Calculating for z when x = 8.6 lb

z = (8.6 – 11) / (6 / sqrt4)

z = - 0.8

Using the standard distribution table for z:

 Probability (x = 8.6 lb) = 0.2119

 

2nd: Calculating for z when x = 14.6 lb

z = (14.6 – 11) / (6 / sqrt4)

z = 1.2

Using the standard distribution table for z:

 Probability (x = 14.6 lb) = 0.8849


Therefore the probability that the mean weight will be between 8.6 and 14.6 lb:

Probability (8.6 ≤ x ≤ 14.6 ) = 0.8849 - 0.2119

Probability (8.6 ≤ x <span>≤ 14.6 ) = 0.673                         (ANSWER)</span>

8 0
3 years ago
Can someone help me solve this problem?
ANTONII [103]
 If О is the center of a circle then:
<span>
OA = OB = OC = OD [radii]

AB = AH + HB = 15 + 15 = 30  </span>⇒  AB = CD
<span>
So </span>ΔAOB ≅ ΔCOD  [SSS rule] ⇒ x = OH = 16 units.

4 0
3 years ago
Each of 4 siblings ate 3/4 of cake,what is the total amount of cake the siblings ate?
ivanzaharov [21]

Answer:

3

Step-by-step explanation

4 is made into a fraction by putting it over one like 4/1 then multiply it by

3/4 and get 12/4 which is an improper fraction which is then made into 3 12/4 is equal to 3 holes

3 0
3 years ago
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