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olga_2 [115]
3 years ago
11

A set of data with a mean of 45 and a standard deviation of 8.3 is normally distributed. Find the value that is +3 standards dev

iation away from the mean
Mathematics
1 answer:
Sonbull [250]3 years ago
3 0
8.3 × 3 = 24.9

45 + 24.9 = 69.9

Hope this helps!
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Find the h.c.f of
yuradex [85]

The greatest common factor will be (x² – xy + y²).

<h3>Greatest common factor</h3>

This is a value or expression that can divide the given expressions without leaving a remainder.

Given the following expressions

x^3+^3 and x^2 - xy + y^2

Expand x^3+y^3

x^3+y^3 =(x + y)(x² – xy + y²).

Since (x² – xy + y²) is common to both expression, hence the greatest common factor will be (x² – xy + y²).

Learn more on GCF here: brainly.com/question/902408

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3 0
2 years ago
What are the zeros of (x-2)(x^2-9)
WARRIOR [948]
(x-2)(x^2-9)=0\iff x-2=0\ or\ x^2-9=0\\\\x-2=0\ \ \ \ |add\ 2\ to\ both\ sides\\\\\boxed{x=2}\\\\x^2-9=0\ \ \ \ |add\ 9\ to\ both\ sides\\\\x^2=9\iff x=\pm\sqrt9\to \boxed{x=-3\ or\ x=3}\\\\Answer:\boxed{x=-3\ or\ x=2\ or\ x=3}
3 0
3 years ago
Write an algebraic expression for the verbal description. the sum of two consecutive natural numbers, the first of which is n
scoundrel [369]
I think it may be:

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hope this helps
8 0
3 years ago
Read 2 more answers
PLEASE HELP!!!
Kazeer [188]

Answer:

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Step-by-step explanation:

The cube root (radical) is equivalent to x^(1/3). When that is divided by x^(1/3), the result is ...

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Comparing that to x^a, we find a=0.

_____

The applicable rules of exponents are ...

  \sqrt[n]{x^m}=x^{\frac{m}{n}}\\\\\dfrac{x^a}{x^b}=x^{a-b}

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2 years ago
How do you write 17/20 as a percent
ycow [4]
As a percent is 0.85

3 0
3 years ago
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