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Luden [163]
3 years ago
5

In a standard normal distribution, the a. mean and the standard deviation are both 1 b. mean is 0 and the standard deviation is

1 c. mean is 1 and the standard deviation is 0 d. mean and the standard deviation can have any value
Mathematics
1 answer:
sergij07 [2.7K]3 years ago
8 0

Answer:1cd.2

Step-by-step explanation:

Distrubution=0-1c

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Ramon paid $3.25 for notepads and $1.80 for markers. what is the total number of items he bought?
evablogger [386]

Answer:

5.05

Step-by-step explanation:

3.25+1.80=5.05

4 0
3 years ago
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Raegan needs 2 boards to make a shelf one board is 1 1/2 m long and the other is 3 1/2 m long what is the total length of the sh
ollegr [7]

Answer:

5 m

Step-by-step explanation:

Find the total length of the shelf by adding together the lengths of the two boards:

1 1/2 + 3 1/2

= 5

So, the total length of the shelf is 5 m

6 0
2 years ago
I need help with number 3
Lynna [10]
The hexagon divides the circle into 6 parts. That means the angle projecting each side is: 360°÷ 6 = 60°

The area of a circle is: πr²
78.54 in² divided by pi is 25 making the radius = 5

I would then use SOH CAH TOA to solve for the side.. knowing the hypotenuse is the radius and the angle to split it into a right triangle is 30°

Sin(30) = s/5
5*Sin(30) = s

12*s = perimeter hexagon
(remember s is half the hexagon side)

12*5*Sin(30) = perimeter hexagon
30 inches  = perimeter

6 0
3 years ago
Solve for x <br> 3(2)^3x+1
lubasha [3.4K]

Answer:

24

Step-by-step explanation:

the simplified version of this expression would be 24 x  +  1

5 0
3 years ago
Which expression is equivalent to this expression? <br><br> thank you :)
CaHeK987 [17]

Answer:

C. -4x - 1

Step-by-step explanation:

-\frac{1}{2}(8x+2)

Distribute the term outside of the parenthesis, Multiply each term in the parenthesis by the term outside (do not forget to include the negative sign when multiplying);

(-\frac{1}{2}(8x))+(-\frac{1}{2}(2))

Simplify,

-4x - 1

6 0
3 years ago
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