Selesaikan 76-97 | Microsoft Math Solver

Langkau ke kandungan utama

76 - 97

= - 21

Nilaikan

- 21

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Faktor

- 21

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Kuiz

76 - 97

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What is the cross product of

< 2, 5, - 7 >

< 5, 6, - 9 >

https://socratic.org/questions/what-is-the-cross-product-of-2-5-7-and-5-6-9

< - 3, - 17, - 13 >

(x) (y) (z) \overline{a} a_{x} a_{y} a_{z} \times \overline{b} b_{x} b_{y} b_{z} = (\overline{v}) v_{x} v_{y} v_{z}

What is the angle between

< - 3, 2, 0 >

< 6, - 9, 8 >

https://socratic.org/questions/what-is-the-angle-between-3-2-0-and-6-9-8

= 137.9

º Explanation: The angle between

A

B

is given by the dot product definition.

A . B = ∥ A ∥ \cdot ∥ B ∥ cos θ

What is the cross product of

< - 2, 5, - 2 >

< 7, - 9, 2 >

https://socratic.org/questions/what-is-the-cross-product-of-2-5-2-and-7-9-2

= < - 8, - 10, - 17 >

Explanation: The cross product of 2 vectors

a

b

is given by the determinant

∣ ∣ ∣ ∣ ∣ ∣ ∣ ⎝ ⎛ \hat{i} - 2 7 \hat{j} 5 - 9 \hat{k} - 2 2 ⎠ ⎞ ∣ ∣ ∣ ∣ ∣ ∣ ∣

(0, - 3) (6, - 9)

https://www.tiger-algebra.com/drill/(0,-3)(6,-9)/

Finding the distance, midpoint, slope, equation and the x y-intercepts of a line passing between the two points p1 (0,-3) and p2 (6,-9)The distance (d) between two points (x1,y1) and (x2,y2) is given ...

What is the slope of the line passing through

(3, 7); (6, - 1)

https://socratic.org/questions/what-is-the-slope-of-the-line-passing-through-3-7-6-1

- \frac{8}{3}

Explanation: we know,

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

y_{1} = 7

Counting question / solution verification

https://math.stackexchange.com/questions/2577783/counting-question-solution-verification

6 \cdot 75 = 450

swimmer-days, so there is an obvious upper bound to the number of 5-swimmer days of

\frac{4 5 0}{5} = 90

. Your schedule is a concrete example of such, so 90 days must be ...

Kongsi

Disalin ke papan klip

-21

Tolak 97 daripada 76 untuk mendapatkan -21.

Contoh

Persamaan kuadratik

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

4 sin θ cos θ = 2 sin θ

Persamaan linear

y = 3 x + 4

699 * 533

[2534] [2 - 1 0135]

Persamaan serentak

{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}