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kondor19780726 [428]
3 years ago
11

Due to symmetry, the probability that the standard normal random variable Z is less than 0 is equal to ______. Multiple choice q

uestion. 0
Mathematics
1 answer:
Butoxors [25]3 years ago
8 0

Answer:

.5

Step-by-step explanation:

The probability that a normal random variable is less than its mean is .5

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Mandisa draws a rectangle to represent the area of her yard. The area can be represented by 10x2 – 13x – 14.What expressions can
Y_Kistochka [10]

Answer: (x–2) and (10x+7)

Step-by-step explanation:

10x^2 – 13x – 14=

10x^2 – 20x + 7x – 14=

10x(x–2) + 7(x–2)=(x–2)(10x+7) ==> 3rd option

4 0
2 years ago
Solve the inequality.<br> - 5x &gt; 25
Natalija [7]

Answer and Step-by-step explanation:

Divide -5 from both sides of the inequality.

<u>x < -5 is the answer.</u>

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<em>Here's Why:</em>

If you were to add 5x to both sides, it results in this:

0 > 25 + 5x

Now, we subtract 25 from both sides.

-25 > 5x

When we divide 5 from both sides, we see that it results in -5 > x, which is the same as x < -5.

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6 0
3 years ago
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Fill in the blanks below.
IceJOKER [234]

Answer:

1. infinity

2. infinity

4 0
3 years ago
Calculate the volume of the cylinder
mihalych1998 [28]

Answer:

The volume of the cylinder is 502.4cm³

Step-by-step explanation:

To calculate the volume of a cylinder we have to use the following formula:

v = volume

h = height = 10cm

π = 3.14

r = radius = 4cm

v = (π * r²) * h

we replace the unknowns with the values we know

v = (3.14 * (4cm)²) * 10cm

v = (3.14 * 16cm²) * 10cm

v = 50.24cm² * 10cm

v = 502.4cm³

The volume of the cylinder is 502.4cm³

8 0
3 years ago
Will give brainliest
V125BC [204]

Answer:

B

Step-by-step explanation:

Basically, this question is asking the legs of the triangle shown in the graph.

In this right triangle, there are 2 legs and one of them is 6400 meters. We were asked to find out the length of the other led. And we know the angle is 16.5 deg.

Using Tangent  to find out:

set the length of the other leg is x meters.

tan(16.5) = 6400/x

x= 6400/tan(16.5)

x= 21606 m

7 0
2 years ago
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