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Po

Questions (21)

Given below are equations for 2 planes in R3.3x1 − 2x2 = 10 x1 + 2x2 + 4x3 = −2 Explain why these two planes must intersect
1. 1 answer
2. 494 views
Given points A(1, 3, −2), P1(2, 0, −1) andP2(4, −2, −1) Find the point P on the line through P1 and P2 that is closest
1. 1 answer
2. 398 views
Piecewise functionx if −2≤x≤0; x^2 if −2<x<0; 8-x. If if −2≤x≤3; (d) Write down an analytic formula for f^{-1},
1. 2 answers
2. 508 views
Find inverse equation ofy= 3e^(x-1)^5 Answer I got is (ln(x/3))^(1/5) +5 =y But I think it's wrong because the domain and range
1. 1 answer
2. 369 views
In R2 plot and describe the set of all points P whose position vector is of the formp = s(1, 1) + t(−1, 1), 0 ≤ s, t ≤ 1
1. 0 answers
2. 395 views
In R4 you are given the pointsP(2,2,2,2), Q(9,−5,1,3), R(6,8,−4,1) (a) Write out all possible arrows which can be formed
1. 1 answer
2. 453 views
Can someone help find limit using l'hopital rulelim x → ∞ ((3x-4)/(3x+2))^(3x+1), I'm trying to solve by adding ln function
1. 0 answers
2. 499 views
can someone help me solve for x for this equation(0.5)(((cos(180-x))^(2))(cos(90-x))^(2))=0.0500
1. 1 answer
2. 371 views
can someone help me solve for x for this equation(0.5)(((cos(180-x))^(2))(cos(90-x))^(2))=0.0500
1. 1 answer
2. 446 views
Light of wavelength 469 nm passes through a slit, creating a diffraction pattern on a screen. The angular separation between the
1. 2 answers
2. 724 views
(a) Would the pattern change if you were to use a shorter wavelength of light? Clearly state what change(s) would occur (if any)
1. 0 answers
2. 660 views
Two glass microscope slides, of length 10 cm, are in contact at one end and separated by a sheet of paper at the other end,
1. 0 answers
2. 1,040 views
Find the limit. Use l'Hospital's Rule if appropriate. If there is a more elementary method, consider using it.lim (tan(7x))^x
1. 1 answer
2. 1,957 views
A 24 L welding tank contains of 285 bar of argon at 28 °C. Nitrogen is added to obtain an 80:20 argon:nitrogen mixture.a) What
1. 3 answers
2. 530 views
A beam of partially polarized light can be considered to be a mixture of polarized and unpolarized light. Suppose a beam of
1. 2 answers
2. 1,337 views
Explain the difference in acidity of MgO dissolved in water and of P4O10 in water in terms of position of the element in the
1. 2 answers
2. 1,879 views
Explain the difference in acidity of MgO dissolved in water and of P4O10 in water in terms of position of the element in the
1. 1 answer
2. 1,712 views
A rectangular swimming pool is 8 m wide and 20 m long. Its bottom is a sloping plane, the depth increasing from 1 m at the
1. 2 answers
2. 2,942 views
show that ((x − 1)/x) <( ln x) < (x − 1) for all x>1Hint: try to apply the Mean Value Theorem to the functions f(x) = lnx
1. 0 answers
2. 479 views
Could somebody help my find the critical points for y=(x-3)(x+2)^(2/3). When I take the derivative of the function I get is
1. 1 answer
2. 505 views
A student has a small battery-powered alarm buzzer. The student throws the buzzer toward a stationary wall (possibly due to
1. 3 answers
2. 2,759 views