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Question Number 147761 Answers: 0 Comments: 0

Question Number 147623 Answers: 0 Comments: 1

Question Number 147622 Answers: 0 Comments: 1

Question Number 147473 Answers: 0 Comments: 1

p(t)=4t^4 +5t^3 −t^2 +6 at t=a

$p (t) = 4 t^{4} + 5 t^{3} - t^{2} + 6 a t t = a$

Question Number 147176 Answers: 1 Comments: 0

Question Number 146904 Answers: 0 Comments: 0

F = ((Gm_1 m_2 )/r^2 ) Find the value of r with the following equation.

$F = \frac{{Gm}_{1} m_{2}}{r^{2}}$ $Find the value of r with the following$ $equation .$

Question Number 147007 Answers: 1 Comments: 0

Question Number 146856 Answers: 0 Comments: 0

3. Calcula mediante una suma de Riemann una aproximaci´on al ´area limitada por la funci´on f(x) = −2x 2 − 4x + 30 y el eje x en el intervalo [−5, 3] con n rect´angulos. Δx=((3−(−5))/n) ⇒(8/n) ∴ x_0 =−5 ∴ a=x_0 =−5 x_1 =−5+1Δx x_2 =−5+2Δx x_3 =−5+3Δx ⋮ x_n =−5+nΔx

3. Calcula mediante una suma de Riemann una aproximaci´on al ´area limitada por la funci´on f(x) = −2x 2 − 4x + 30 y el eje x en el intervalo [−5, 3] con n rect´angulos. $Δ x = \frac{3 - (- 5)}{n} \Rightarrow \frac{8}{n}$ $∴ x_{0} = - 5$ $∴ a = x_{0} = - 5$ $x_{1} = - 5 + 1 Δ x$ $x_{2} = - 5 + 2 Δ x$ $x_{3} = - 5 + 3 Δ x$ $⋮$ $x_{n} = - 5 + n Δ x$

Question Number 146621 Answers: 2 Comments: 0

∫_0 ^( ∞) ((xsin(4x))/(9 + 4x^2 ))dx =

$\int_{0}^{\infty} \frac{x s i n (4 x)}{9 + 4 x^{2}} d x =$

Question Number 147769 Answers: 0 Comments: 0

Question Number 146141 Answers: 0 Comments: 4

An incident ray is reflected normally by a plane mirror onto a screen where it forms a bright spot. The mirror and screen are parallel and 1m apart. If the mirror is rotated through 5°, calculate the displacement of the spot

Question Number 145074 Answers: 1 Comments: 0

ab+bc+ax+cx=?

$a b + b c + a x + c x = ?$