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3 years ago

What is the term for how much something deviates from the mean, or average, of a set of data?

Mathematics

1 answer:

monitta3 years ago

3 0

If we're talking about statistics, then it's "Standard Deviation."

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Find the 63rd term of the arithmetic sequence -1, 5, 11, ...−1,5,11,...

Ugo [173]

Answer:

$a_6_3=371$

Step-by-step explanation:

we know that

In an <u><em>Arithmetic Sequence</em></u> the difference between one term and the next is a constant and this constant is called the common difference

we have

$-1,5,11,...$

Let

$a_1=-1\\a_2=5\\a_3=11$

$a_2-a_1=5-(-1)=5+1=6$

$a_3-a_2=11-5=6$

The common difference is $d=6$

We can write an Arithmetic Sequence as a rule

$a_n=a_1+d(n-1)$

where

a_n is the nth term

d is the common difference

a_1 is the first term

n is the number of terms

Find the 63rd term of the arithmetic sequence

we have

$n=63\\d=6\\a_1=-1$

substitute

$a_6_3=-1+6(63-1)$

$a_6_3=-1+6(62)$

$a_6_3=-1+372$

$a_6_3=371$

6 0

3 years ago

9. Rama is using a hand glider to fly directly from the top of one cliff onto another cliff below. The glider is guided by a cab

dexar [7]

Answer:

791.2 ft

Step-by-step explanation:

The cable is inclined and this acts as the hypotenuse. Since the other two sides are given.

$H=\sqrt {x^{2}+y^{2}}$

where x and y represent the distance between two cliffs apart and difference in heights. Substituting 740 for x and 280 for y then

$H=\sqrt {740^{2}+280^{2}}=791.20161779409930627669981858168023442712 ft\approx 791.2 ft$

6 0

3 years ago

Read 2 more answers

Will it collect 80 half-liter bottles in a 50-liter barrel<br> True False

aniked [119]

Answer:

Step-by-step explanation:

Will it collect 80 half-liter bottles in a 50-liter barrel

True False

80 half-liter = 40 liters

50 - 40 = 10 liters

the answer is TRUE

8 0

2 years ago

A social scientist surveyed a random sample of male musicians at a university about their practice habits. The graph below displ

Maksim231197 [3]

Answer: C. On average, male musicians practice 2 hours per day.

Step-by-step explanation:

3 0

3 years ago

Dan is fertilizing his garden. The garden is in the shape of a rectangle. it's length is 16 feet and it's width is 13 feet. supp

Sergeu [11.5K]

Answer:

Step-by-step explanation:

16ft(13ft)(b/26ft^2)=8b

So he’ll need 8 bags

4 0

2 years ago