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y2o2:
Group Title
If
\[\huge {1\over z} = {1 \over x } + {1 \over y}\]
and x>y>0…
 updated 5 months ago
 4 replies
 5 Medals
Mathematics

arjunsumarlan:
Group Title
∫(1/(√(x+√x)))dx
 updated one year ago
 4 replies
 No Medals Yet
Mathematics

kriz:
Group Title
At what altitude above the earth's surface would the acceleration due to gravity be 4.9ms−2 ? Assume the mean radius of the earth is 6.4×106…
 updated one year ago
 4 replies
 No Medals Yet
Mathematics

Thuch:
Group Title
In a poultry farm every hen eats 2 eggs after laying 5 eggs. Assuming that no hen can eat any unless after laying 5 eggs and that every hen …
 updated one year ago
 1 reply
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Mathematics

y2o2:
Group Title
I want a proof for the relation between the area under the curve and the antiderivative.
I don't understand how eventually the Riemann su…
 updated one year ago
 12 replies
 No Medals Yet
Mathematics

y2o2:
Group Title
The magnitude of the electric field vector on the ground is 100 N/C and it's direction towards the ground and perpendicular to it . The magn…
 updated one year ago
 5 replies
 1 Medal
Mathematics

y2o2:
Group Title
I want to have the intuition of the mass times velocity.
I know that it's equal to the momentum, but it doesn't make any sense to me to mul…
 updated one year ago
 2 replies
 No Medals Yet
Mathematics

Faman39:
Group Title
Which of the following would you use as the percent equation to determine that 70 is 40% of what number?
40 = 0.7 * a
…
 updated 2 years ago
 7 replies
 2 Medals
Mathematics

EmilyJernigan:
Group Title
What is the inverse of the given relation?
y = 3x + 9
 updated 2 years ago
 4 replies
 1 Medal
Mathematics

Britteny7211:
Group Title
What is the simplified form of (x)/(x^2y^2)  (y)/(x^2y^2)?
 updated 2 years ago
 2 replies
 2 Medals
Mathematics

EmilyJernigan:
Group Title
Can you help me multiply and simplify this?!
 updated 2 years ago
 6 replies
 1 Medal
Mathematics

stef15:
Group Title
A mini license plate for a toy car must consist of a number followed by two letters. Each letter must be a C, A or R. Each number must be a…
 updated 2 years ago
 4 replies
 2 Medals
Mathematics

hamidic:
Group Title
a right angled triangle with length of the edges of the right angle "20" cm and"15"cm ;the first decrease by rate 2cm/sec . the second incre…
 updated 2 years ago
 10 replies
 2 Medals
Mathematics

rebeccaskell94:
Group Title
Let me draw it.
Jim has put a fence along the side AC of the triangular patch of land shown below.
 updated 2 years ago
 21 replies
 2 Medals
Mathematics

virtus:
Group Title
Show that cos(4)x =8(cos^(4)x cos^(2)x)+1
 updated 2 years ago
 12 replies
 3 Medals
Mathematics

amsterdam11:
Group Title
Could someone please help me with sqrt(3) tan2x=0
 updated 2 years ago
 60 replies
 5 Medals
Mathematics

CatLove9:
Group Title
Integrate. xsin^2(x)
 updated 2 years ago
 6 replies
 1 Medal
Mathematics

drumjockey83:
Group Title
Find the average of the function over the interval (0,2)
f(x)=4e^(6x)
 updated 2 years ago
 6 replies
 No Medals Yet
Mathematics

y2o2:
Group Title
prove that :
 updated 2 years ago
 18 replies
 4 Medals
Mathematics

MaryJSmith:
Group Title
The length of the altitude drawn to the hypotenuse of a right triangle is 8. What could be the possible lengths of the segments of the hypot…
 updated 2 years ago
 4 replies
 1 Medal
Mathematics

suzy4321:
Group Title
Area of a circle = p · r2 i know r is for radius but p stands for what when your solving 40/360 or 1/9 of the area. I know radius is 2 so it…
 updated 2 years ago
 3 replies
 No Medals Yet
Mathematics

Courtney.soden:
Group Title
What is the slop (5,5) and (2,3)
 updated 2 years ago
 2 replies
 1 Medal
Mathematics

l6harris:
Group Title
the equation of motion for a particle in meters at time t seconds is s(t)=sin(pi(t)/6)+cos(pi(t)/6), 0 is less then/equal to t is less then …
 updated 2 years ago
 2 replies
 1 Medal
Mathematics

becca94:
Group Title
If x varies inversely as y and directly as t, and x = 12 when t = 10 and y = 25, find y when x is 6 and t = 3.
…
 updated 2 years ago
 3 replies
 No Medals Yet
Mathematics

cutegirl:
Group Title
4. A ball is thrown into the air with an initial upward velocity of 60 ft/s. Its height (h) in feet after t seconds is given by the funct…
 updated 2 years ago
 2 replies
 1 Medal
Mathematics

saraann13:
Group Title
What is the solution set of 2x + 4 < 8?
 updated 2 years ago
 1 reply
 No Medals Yet
Mathematics

saraann13:
Group Title
What is the solution set of 4x – 3 – 1 > 12?
 updated 2 years ago
 2 replies
 No Medals Yet
Mathematics

tylerrae:
Group Title
abc = 171
Solve for a,b,c
 updated 2 years ago
 2 replies
 No Medals Yet
Mathematics

y2o2:
Group Title
Good Question
 updated 2 years ago
 3 replies
 2 Medals
Mathematics

katlin95:
Group Title
when solving the system x+2y=9 and xy=6, which expression could be substituted for x in the second equation?
a.9=x
b.y9/2
…
 updated 2 years ago
 3 replies
 No Medals Yet
Mathematics
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