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konstantin123 [22]
3 years ago
12

A large data sample of heights of US women is normally distributed with a mean height of 64.7 inches and a standard deviation of

2.6 inches.
What is the approximate probability that a randomly selected person in this sample is shorter than 62.1 inches? I need this tonight
Mathematics
1 answer:
mariarad [96]3 years ago
7 0

Answer:0.16

Step-by-step explanation:

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the area of a rectangular wall of a barn is 154 square feet. it's length is 8 feet longer than twice its width. find the length
Lady_Fox [76]

Answer:

the length = 22 and width =7

4 0
3 years ago
"Use the graph to fill in the blank with the correct number.<br><br> f(1) = _______"
Lisa [10]
         In the graph it is the point with x- coordinate 1 and y-coordinate - 2
Answer:  f ( 1 ) = - 2
7 0
3 years ago
Scaler factor of 1/2
olasank [31]

Dilation by a scale factor of 1/2 followed by a translation of 1.5 units down.

<h3>What is dilation?</h3>

Dilation is a transformation, which is used to resize the object. Dilation is used to make the objects larger or smaller.

Here, △ HIJ are:

IH = 3

IJ = 4

then using the scale factor = 1/2 we get

Therefore, we have:

I'H '= 1.5

I'J '= 2

Hence, dilation by a scale factor of 1/2 followed by a translation of 1.5 units down.

Learn more about this concept here:

brainly.com/question/1011146

#SPJ1

3 0
2 years ago
PLEASE HELPPPP (with steps)
yan [13]

Answer:

the answer is x=-25/56

Step-by-step explanation:

2 4/5x=-1 1/4

14/5x=-5/4

x=-25/56

7 0
2 years ago
Guys plsss i need help. It needs work too
Ghella [55]

Answer:

f(x+h)=x^2+2xh+h^2+2x+2h

Option D is correct option.

Step-by-step explanation:

We are given: f(x)=x^2+2x

We need to find f(x+h)

For finding f(x+h) we need to replace x by x+h

f(x+h)=(x+h)^2+2(x+h)\\We \ know \ (a+b)^2=a^2+2ab+b^2\\f(x+h)=x^2+2xh+h^2+2x+2h

Finding f(x+h) we get:

f(x+h)=x^2+2xh+h^2+2x+2h

Option D is correct option.

8 0
3 years ago
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