2 years ago

In a normal distribution, most numbers in the data set fall within one standard deviation of the mean. True or False

Mathematics

1 answer:

UkoKoshka [18]2 years ago

4 0

Answer:

True

Step-by-step explanation:

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A line is drawn on a coordinate grid by the equation y = 4. Which of the following lines would represent a row parallel to it?

dedylja [7]

Y = and then any number you want to put there

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2 years ago

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Finding Derivatives Implicity In Exercise, find dy/dx implicity. x2 - 3 ln y + y2 = 10

Veseljchak [2.6K]

Answer:

$\frac{dy}{dx}=-\frac{2xy}{2y^2-3}$

Step-by-step explanation:

We are given that

$x^2-3lny+y^2=0$

Differentiate w.r.t x

$2x-\frac{3}{y}\frac{dy}{dx}+2y\frac{dy}{dx}=0$

By using formula

$\frac{dx^n}{dx}=nx^{n-1}$

$\frac{d(lnx)}{dx}=\frac{1}{x}$

$\frac{dy^n}{dx}=ny^{n-1}\frac{dy}{dx}$

$\frac{dy}{dx}(-\frac{3}{y}+2y)+2x=0$

$\frac{dy}{dx}(-\frac{3}{y}+2y)=-2x$

$\frac{dy}{dx}=-\frac{2x}{-\frac{3}{y}+2y}$

$\frac{dy}{dx}=-\frac{2xy}{2y^2-3}$

Hence, the derivative of function

$\frac{dy}{dx}=-\frac{2xy}{2y^2-3}$

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3 years ago

Find the slope of the line using the points (0,4) and (-3,6)

Anna007 [38]

slope = - $\frac{2}{3}$

calculate the slope m using the gradient formula

m= (y₂ - y₁ ) / (x₂ - x₁ )

with (x₁, y₁ ) = (0, 4) and (x₂, y₂ ) = (- 3, 6)

m = $\frac{6-4}{-3-0}$ = $\frac{2}{-3}$ = - $\frac{2}{3}$

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2 years ago

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If you have 470 apples and the price is 67 apples how much is each apple

EleoNora [17]

Answer:

Each apples cost about $0.14

Step-by-step explanation:

cost / amount = price per piece

67 / 470 = 0.14

So every apple costs about $0.14

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2 years ago

What is .08333333333 as a fraction ?

madam [21]

.0833333333 with repeating 3 is (2/24) or (1/12) <- There's you're answer.

(Just put this up here since I answered it in a comment)

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3 years ago