Ratkaise 12-21 | Microsoftin matematiikan ratkaisija

Hyppää pääsisältöön

12 - 21

= - 9

Laske

- 9

Tick mark Image

Jaa tekijöihin

- 9

Tick mark Image

Tietokilpailu

12 - 21

Videot

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

khanacademy.org

Khan Academy Goes Way Beyond Math: New Courses Launch for 2024 School Year in STEM, Humanities, Computer Science, and More

2-Digit Subtraction with Regrouping. Grade 2

Samanlaisia ongelmia verkkohausta

What is the distance between

(10, 15, - 2)

(12, - 2, 15)

https://socratic.org/questions/what-is-the-distance-between-10-15-2-and-12-2-15

582 \approx 24.12 to 2 dec. places

using the 3-dimensional form of the distance formula

• (x) d = (x_{2} - x_{1})^{2} + (y_{2} - y_{1})^{2} + (z_{2} - z_{1})^{2}

What is the slope of any line perpendicular to the line passing through

(- 8, 2)

(- 12, - 20)

https://socratic.org/questions/what-is-the-slope-of-any-line-perpendicular-to-the-line-passing-through-8-2-and-

- \frac{2}{1 1}

Explanation: The slope of the line passing through (-8,2)and (-12.-20)is

\frac{- 2 0 - 2}{- 1 2 + 8} = - \frac{2 2}{- 4} = \frac{1 1}{2}

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

https://www.tiger-algebra.com/drill/(-1,2),(-2,4)/

Finding the distance, midpoint, slope, equation and the x y-intercepts of a line passing between the two points p1 (-1,2) and p2 (-2,4)The distance (d) between two points (x1,y1) and (x2,y2) is given ...

How do you find unit vector of

a = (1, 2, - 2)

in direction of

a

https://socratic.org/questions/how-do-you-find-unit-vector-of-a-1-2-2-in-direction-of-a

\frac{a}{∣ ∣ a ∣ ∣} = (\frac{1}{3}, \frac{2}{3}, - \frac{2}{3})

Explanation: Divide by the length of the vector

a

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}) ∣ ∣ ∣ ∣ ∣}})

Jakaa

Kopioitu leikepöydälle

-9

Vähennä 21 luvusta 12 saadaksesi tuloksen -9.

Esimerkkejä

Toisen asteen yhtälö

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

4 sin θ cos θ = 2 sin θ

Ensimmäisen asteen yhtälö

y = 3 x + 4

699 * 533

[2534] [2 - 1 0135]

Samanaikainen kaava

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

\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}