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Harrizon [31]
3 years ago
8

Suppose a normal distribution has a mean of 12 and a standard deviation of 4

Mathematics
1 answer:
Sedaia [141]3 years ago
4 0

Answer:

The correct answer is C. 1.5

Step-by-step explanation:

To find this, first find the difference from the value to the mean.

18 - 12 = 6

Now that we have this, divide it by the size of a standard deviation to find how many it is away.

6/4 = 1.5

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Evaluate the function below for f(3)<br> f (x) = 3x2 - 5<br> what’s the answer
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The answer is 13 because you would plug in 3(3) which is 9 then you multiply (9)(2) which is 18 they you subtract 18-5 which equals 13
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3 years ago
if 3 half-gallon containers of ice cream on sale for $6.69,what is the price for 2 half-gallon containers?​
kvv77 [185]
<h3>Answer:  $4.46</h3>

===================================================

Work Shown:

3 containers = 6.69 dollars

3/3 containers = 6.69/3 dollars .... divide both sides by 3

1 container = 2.23 dollars

2*(1 container) = 2*(2.23 dollars) ... multiply both sides by 2

2 containers = 4.46 dollars

A shortcut is to start with "3 containers = 6.69 dollars" and multiply both sides by 2/3

Each mention of "container" refers to a half-gallon container.

6 0
3 years ago
What is the completely factored form of x4 + 8x2 – 9?
weqwewe [10]

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5 0
2 years ago
Pls somebody can help me? <br> What is the domain of f(x) = (1/2)^x ?
lana [24]

Answer:

all real numbers

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
The radius of a circle is 8 inches. What is the angle of an arc 2π inches long?
Y_Kistochka [10]

Answer:

π/4 radians

Step-by-step explanation:

The arc length formula is s = rФ, where Ф is the central angle (in radians).

Here, r = 8 inches and s = arc length = 2π inches.  We need to find the central angle, Ф.  The formula given above is s = rФ, or, equivalently,

Ф = s/r.

Here, the central angle is Ф = s/r = 2π/8, or π/4 radians.

3 0
2 years ago
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