

(20 points) Find the current through the 14Ω resistor by using a Δ-), transformation and phasors....
One characteristic measured about high schools is the percent
free lunch, which is the percentage of the student body that is
eligible for free and reduced-price lunches. The top 100 schools,
grouped according to their percent free lunch, is as follows.
Percent free
lunch (x)
Number of top
100
ranked high schools
46
20
12
10
12
If stratified random sampling with proportional allocation is
used to select a sample of 25 high schools, how many would be
selected...
can you solve this 5 problem please
Q2. Using voltage divider and/or current divider to find the unknown on each of the circuits: 40 V -) ) ξR, υ ξR, 6 Ω 20 Ωξυ, 2.4A 1) 1890 Ω ξ10Ω 10 Ω ξ5 kΩ 360 kΩ 45 VI + υ, ξ 20 kΩ ξ90 ΚΩ Q3. Using a Y to delta transformation find the currents il, i2, and i3. And the power delivered by the source. 56 Ω 44Ω 80 Ω...
2. (5 points) Let T: R2 + R3 be a linear transformation with 2x1 - x2] 1-3x1 + x2 | 2x1 – 3x2 Find x = (x) <R? such that [0] -1 T(x) = (-4)
Provided N(0, 1) and without using the LSND program, find P( - 2 <3 <0) Provided N(0, 1) and without using the LSND program, find P(Z < 2). Provided N(0, 1) and without using the LSND program, find P(Z <OOR Z > 2). Message instructor about this question Provided N(0, 1) and without using the LSND program, find P(-1<2<3). 0.84 Message instructor about this question
(c) please
Tz that 1. Find the most general linear fractional transformation w = maps the region A into B : (a) A = {l-1 <1}, B = {Im w >0} (6) A = {lz| <1}, B= {Rew >0} (c) A = {]z – al < R}, B = {Rew 5-3}
06) Find the Thevenin equivalent circuit at terminal a-b Let V1-50<300V , XL>J20 Ω, Xc-*)10 Ω, and R1-10 Ω for the following circuit. R1 ZTH- V1 (
For the circuit shown below, find the current
ib.
0.5 kg 29. & 10 ΚΩ ) 04 V 50 kg <0.3 kΩ
Problem 1. Make a sketch of the infinite strip 0< < 1. Then, find and sketch its image under the transformation w-12. În all these problems, z x + iy.
7. Given cos 20 = --and 180° <0 < 270°, find values of sino and cose.
< Question 17 of 35 > The rust that appears on steel surfaces is iron(III) oxide. If the rust found spread over the surfaces of a steel swingset frame contains a total of 2.421 x 10oxygen atoms, how many grams of rust are present on the swingset frame? mass of iron(III) oxide: < Question 16 0135 > How many Fatoms are there in 4.52 x 102 molecules of trifluoroacetic acid, C, HF,0,? number of Fatoms: