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Questions (324)
Three angles of a quadrilateral are in the ratio 1:2:3. The sum of the least and the greatest of these angles is 200°. Find all
4 answers
2,581 views
2 Years before,average age of 8 numbers of family was 20yr.if present average of family even on inclusion of 1 child,remains
1 answer
446 views
use the discriminant to determine whether the equation is a parabola, an ellipse, or a hyperbola. Then identify the angle of
2 answers
643 views
find the eccentricity to identify the conic, then sketch the conic and its directrix
r=1/1-cos theta r=2/3+2 sin theta r=4/1-2
2 answers
612 views
find the eccentricity to identify the conic, then sketch the conic and its directrix
r=1/1-cos theta r=2/3+2 sin theta r=4/1-2
2 answers
598 views
how do you eliminate the parameters for x=1-t^2 and y=1+t?
5 answers
311 views
eliminate parameters of x=1+cos t
y=1-sin t graph the parametric equations
10 answers
1,154 views
find an hyperbola equation with foci (0, +/-8) and asymptotes; y=+/-1/2x?
4 answers
3,070 views
find a hyperbola equation with vertices (o,+-4) and passes through the point (3,-5)
4 answers
3,261 views
calculate the ph at the equivalence point for the titration of .1 M NH3 and .1 M HCl. kb NH3= 1.8E-5
how you do it?
2 answers
606 views
calculate the ph at the equivalence point for the titration of 0.01 M Ch3COOH with 0.1 M NaoH ka= Ch3Cooh 1.8E-5
idek how to do
2 answers
586 views
a solution containing 100.0 mL of 0.135 M CH3COOH (ka=1.8E-5) is being titrated with 0.54 M NaOH. calculate the ph:
at the
1 answer
473 views
evaluate -(11/17^-10/(9/5)^(1/10)
answer from Reiny: (-11/-17)^-10 = 1/(11/17)^10 = 77.725... (I stored that in A on my
3 answers
656 views
how do you evaluated this?
(-)sign ↓ _ __________( -11/-17)^-10 line is divide (9/5)^1/10
3 answers
451 views
Where is an electron in 3Py orbital most likely to be found and where does the probability it vanish?
2 answers
910 views
A u-control airplane of mass m is attached by control wires of length L and negligible mass to the "pilot" who controls the lift
2 answers
563 views
In the square, if part A is 1/4 of the square and part C is 1/10 of the square, what percent of the square is part B?
9 answers
1,139 views
Vinegar (by Roger McGough)
sometimes i feel like a priest in a fish and chips queue quietly thinking as the vinegar runs through
4 answers
2,148 views
Vinegar (by Roger McGough) Poem for Roger McGough (by Adrian Henri)
sometimes A nun in a supermarket i feel like a priest
3 answers
800 views
How many moles of oxygen atoms are contained in 1.86 x 10-2 mol CuSO4·5H2O
3 answers
1,283 views
Nico drives from school to the store at 25 miles per hour. He drives back to the school (along the same route) at 35 miles per
2 answers
576 views
A ferris wheel is 35 meters in diameter,and can be boarded at ground level. The wheel turns in a counterclokcwise direction,
2 answers
1,113 views
sinx+ siny/ (cosx+cosy)= tan 1/2 (x+y)
prove this identity
1 answer
1,242 views
Is "je suis allé souvent" correct or should it be "je suis souvent allé?"
Thanks
2 answers
550 views
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