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- 28 - 12

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- 40

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- 40

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Kvíz

- 28 - 12

Videá

Add and subtract mixed numbers (no regrouping) (practice) | Khan Academy

khanacademy.org

Oops. Something went wrong. Please try again. | Khan Academy

khanacademy.org

Subtraction: Learn to subtract 4-digit numbers from 4-digit numbers with regrouping.

Podobné úlohy z hľadania na webe

What is the slope of the line passing through the following points:

(- 2, 8), (- 1, 4)

https://socratic.org/questions/what-is-the-slope-of-the-line-passing-through-the-following-points-2-8-1-4

m = - 4

Explanation: Use the equation

m = \frac{y _{2} - y _{1}}{x _{2} - x _{1}}

m

is the slope, and one point is

(x_{1}, y_{1})

What is the equation of the parabola that has a vertex at

(- 12, - 11)

and passes through point

(- 9, 16)

https://socratic.org/questions/what-is-the-equation-of-the-parabola-that-has-a-vertex-at-12-11-and-passes-throu

y = 3 x^{2} + 72 x + 421

the equation of a parabola in vertex form

(\overline{\underline{∣ ∣ ∣ ∣ ∣ (\frac{2}{2}) (y = a (x - h)^{2} + k) (\frac{2}{2}) ∣ ∣ ∣ ∣ ∣}})

What is the slope of the line passing through the following points:

(- 2, 5), (8, - 1)

https://socratic.org/questions/what-is-the-slope-of-the-line-passing-through-the-following-points-2-5-8-1

(m = - \frac{6}{1 0}

(- 2, 5) = (x_{1}, y_{1}

(8, - 1) = (x_{2}, y_{2}

What is the slope of the line passing through the following points:

(- 3, - 1); (0, 2)

https://socratic.org/questions/what-is-the-slope-of-the-line-passing-through-the-following-points-3-1-0-2

1

. Explanation: To find the slope of a line passing through given points, we find the

\frac{change in y}{change in x}

\frac{y _{2} - y _{1}}{x _{2} - x _{1}}

What is the slope of the line passing through the following points:

(- 3, 4), (7, - 16)

https://socratic.org/questions/what-is-the-slope-of-the-line-passing-through-the-following-points-3-4-7-16

The slope of the line pass through the two points is

m = - 2

Explanation: The slope can be found by using the formula:

m = \frac{( y _{2} ) - ( y _{1} )}{( x _{2} ) - ( x _{1} )}

What is the distance between

(3, - 2, - 12)

(5, - 8, - 16)

https://socratic.org/questions/what-is-the-distance-between-3-2-12-and-5-8-16

The distance between the points is

56

7.48

rounded to the nearest hundredth. Explanation: The formula for calculating the distance between two points ...

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Skopírované do schránky

-40

Odčítajte 12 z -28 a dostanete -40.

Príklady

Kvadratická rovnica

x^{2} - 4 x - 5 = 0

4 sin θ cos θ = 2 sin θ

Lineárna rovnica

y = 3 x + 4

Aritmetické úlohy

699 * 533

[2534] [2 - 1 0135]

Simultánna rovnica

{8 x + 2 y = 46 7 x + 3 y = 47

Diferenciálne rovnice

\frac{d}{d x} \frac{( 3 x ^{2} - 2 )}{( x - 5 )}

\int_{0}^{1} x e^{- x^{2}} d x

x \to - 3 lim \frac{x ^{2} - 9}{x ^{2} + 2 x - 3}