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3 years ago

14

The first five terms in a pattern are shown below.

1 answer:

Fynjy0 [20]3 years ago

7 0

Answer:

I think this answer is A.

Step-by-step explanation:

I think this because when you subtract 0.5-0.25 you get 0.25. So you would add it to whatever comes next until you get to the 9th term. Then you would be somewhere around the ones place. :)

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For a population with µ = 100 and σ = 20, what is the X value corresponding to z = -0.75?

Savatey [412]

The X value corresponding to z = -0.75 will be 85. Then the correct option is A.

<h3>What is the z-score?</h3>

The z-score is a statistical evaluation of a value's correlation to the mean of a collection of values, expressed in terms of standard deviation.

The z-score is given as

z = (x - μ) / σ

Where μ is the mean, σ is the standard deviation, and x is the sample.

For a population with µ = 100 and σ = 20.

Then the X value corresponding to z = -0.75 will be

-0.75 = (x - 100) / 20

-15 = x - 100

x = 85

Then the correct option is A.

More about the z-score link is given below.

brainly.com/question/15016913

#SPJ1

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2 years ago

The length of a rectangle is 54cm it's breadth is 8cm what is it's perimeter ? what is it's area?

il63 [147K]

Answer:

$perimeter = 2(length + breadth) \\ =2 (54 + 8) \\ = 124 \: cm$

7 0

3 years ago

La fraccion irreduccible de 134/90

Kaylis [27]

Answer:

1 44/90

Step-by-step explanation:

5 0

3 years ago

You have two circular flower beds, as shown. The sum of the areas of two flower beds is 136 pi square feet. Find the radius of e

finlep [7]

Answer:

Radius of larger flower bed = 10 feet

Radius of smaller flower bed = 6 feet

Step-by-step explanation:

<u>Complete question:</u>

"You have two circular flower beds, as shown. The sum of the areas of two flower beds is 136 pi square feet. Find the radius of each bed.<em>"</em>

<em>Radius of larger flower bed = r</em>

<em>Radius of smaller flower bed = r - 4</em>

<em />

Now,

Area of circle is $\pi r^2$

Since, total area is $136\pi$ , we can write:

$\pi r^2 + \pi (r-4)^2=136\pi$

Expanding and solving for r:

$\pi r^2 + \pi (r-4)^2=136\pi\\r^2+(r-4)^2=136\\r^2 + r^2 - 8r + 16 = 136\\2r^2-8r-120=0\\2(r+6)(r-10)=0\\r=-6,10$

Radius cannot be negative, so r = 10 & r-4 = 10 -4 = 6

Radius of larger flower bed = 10 feet

Radius of smaller flower bed = 6 feet

8 0

3 years ago

What is 4.6948 in : a. standard form b. corrected to two significant figures c.corrected to two decimal places

irina [24]

A. Standard form because there is only one digit in front of the decimal point.

7 0

3 years ago