rizwan_uet
Name:
Rizwan Khan
School:
University Of Engineering And Technology Peshawar
About:
Hello friends. Its me Rizwan from Pakistan. I m 25.Basically i m an electrical engineer. I love openstudy more than Facebook or twitter. i spend most of my time here helping students in maths. i like to have friends from all around the globe. If you want to know me just message me i dont mind it.
ok friends its all about me. Take care and have fun
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Questions Answered
Patsfan12:
Group Title
What is the rate of change for f(x)=-2cos4x-3 on the interval from x=pi/4 to x=pi/2?
updated one month ago
19 replies
1 Medal
Mathematics
brucebaner:
Group Title
Points A and B lie on the graph of the equation y = −4.3x.
What are the y-coordinates for each point?
…
updated 3 months ago
5 replies
No Medals Yet
Mathematics
brucebaner:
Group Title
What is the equation of the line?
…
updated 3 months ago
14 replies
1 Medal
Mathematics
jccb2006:
Group Title
4×8=16+_
updated 4 months ago
4 replies
No Medals Yet
Mathematics
izthewiz7:
Group Title
someone please help me,
I have an idea of the answer. just wanna confirm
fam, medal, and testimony
updated 4 months ago
30 replies
2 Medals
Mathematics
vortish:
Group Title
evaluate the function f(x)=9x+1
of the given values of the independent variables and simplify
…
updated 5 months ago
4 replies
No Medals Yet
Mathematics
KBeard:
Group Title
lim x->
sqrt(x-4)-1/x-13
…
updated 5 months ago
9 replies
1 Medal
Mathematics
fani1996:
Group Title
The height of a projectile is modeled by the function h(t) = −16t2 + v0t + h0 where t is the time in seconds that the projectile is in the a…
updated 5 months ago
4 replies
1 Medal
Mathematics
dylan_kiely:
Group Title
A piece of wire 60 inches (in.) long is to be cut into two pieces
updated 5 months ago
3 replies
No Medals Yet
Mathematics
Naynay130:
Group Title
What is 166=20+32t
…
updated 6 months ago
8 replies
1 Medal
Mathematics
sierra_grey:
Group Title
(a)An angle measures 41 degrees. What is the measure of its complement?
(b)An angle measures 35 degrees. What is the measure of its suppl…
updated 6 months ago
5 replies
1 Medal
Mathematics
Ashy98:
Group Title
The length of the base of a triangle is 5.3 cm and its height is 6.7 cm. If the area of the triangle is half of the product of its base leng…
updated 6 months ago
6 replies
2 Medals
Mathematics
Ammarah:
Group Title
Find the vertex for the quadratic function.
u(x)= 0.5x^2-2x+5
…
updated 6 months ago
55 replies
3 Medals
Mathematics
Dholmes44:
Group Title
X^2 + 10 what is the x intercept? I got sort of -10 which is an imaginary number I think
updated 6 months ago
2 replies
No Medals Yet
Mathematics
mariyah21:
Group Title
whats the equation of a line parallel to y=3x-12
…
updated 6 months ago
8 replies
1 Medal
Mathematics
Trill974:
Group Title
is (-8,9) a solution of the equation x+y=3
updated 7 months ago
1 reply
1 Medal
Mathematics
lyssaaaa:
Group Title
John solved x^2 = 6x as follows:
x^2/x = 6/x
x=6
…
updated 9 months ago
4 replies
1 Medal
Mathematics
adunb8:
Group Title
Electrical Engineering HW question please!!
updated 10 months ago
73 replies
3 Medals
Mathematics
Haydenc93:
Group Title
What is (x-12)?
updated 10 months ago
7 replies
2 Medals
Mathematics
katrinamarie0803:
Group Title
help?
updated 10 months ago
2 replies
1 Medal
Mathematics
xstreetprowl:
Group Title
FAN + MEDAL PLEASE HELP :)
updated 11 months ago
6 replies
1 Medal
Mathematics
kaylaelizabeth:
Group Title
Identify the center and intercepts of the conic section (2 points):
Center: ( , ) x-intercepts: ( , ) y-intercepts: ( , )
( , ) ( , )
…
updated 11 months ago
4 replies
No Medals Yet
Mathematics
kaylaelizabeth:
Group Title
Identify the center and intercepts of the conic section (2 points):
Center: ( , ) x-intercepts: ( , ) y-intercepts: ( , )
( , ) ( , )
…
updated 11 months ago
29 replies
3 Medals
Mathematics
Prince1342:
Group Title
The graph below plots a function f(x).
graph of line segment going through ordered pairs 0, 100 and 3, 220
…
updated one year ago
2 replies
No Medals Yet
Mathematics
hardequalsmath:
Group Title
differentiate:
…
updated one year ago
4 replies
1 Medal
Mathematics
nygel:
Group Title
What is the equation of a line that passes through (7, 8) and has a slope of -3?
y=−3x+29
…
updated one year ago
1 reply
No Medals Yet
Mathematics
musa19965:
Group Title
http://prntscr.com/2vf5gn
updated one year ago
2 replies
1 Medal
Mathematics
RANE:
Group Title
a golfer is teeing off on a 170m long par 3 long. the ball leaves with a velocity of 40m/s at an angle of 50 degrees to the horizontal. assu…
updated one year ago
43 replies
6 Medals
Mathematics
sahmad:
Group Title
Simplify:
(-2i) (5i) (-i)
…
updated one year ago
5 replies
1 Medal
Mathematics
sahmad:
Group Title
simplify the equation:
(-6i + 7i) + (6 - 7i)
…
updated one year ago
5 replies
1 Medal
Mathematics
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