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Sanaya
Questions and answers by visitors named
Sanaya
Questions (55)
A roll of fabric was 144 inches long. A customer bought 2 feet of the fabric. How many feet of fabric were remaining?
5 answers
1,057 views
A sack of sand measures 21 kilograms and 714 grams,and a sack of yard clippings measures 7 kilograms and 192 grams. How much
4 answers
367 views
Levi worked in his neighbor's yard for 7 hours trimming the trees. After trimming, he bagged up the trimmings in 38 minutes. How
5 answers
459 views
Jennie and Millie are sister gorillas. Jennie is 57 kilograms and 663 grams,and Millie is 113 kilograms and 181 grams. How much
1 answer
367 views
Holly ordered 3 pounds and 11 ounces of roast beef and 4 pounds and 10 ounces of ham. How much meat did Holly order?
4 answers
946 views
Holly ordered 2 pounds and 9 ounces of roast beef and 3 pounds and 9 ounces of ham. How much meat did Holly order?
4 answers
451 views
A roll of fabric was 132 inches long. A customer bought 3 feet of the fabric. How many feet of fabric were remaining?
5 answers
1,159 views
Jenelle has a blue jug and a red jug, both containing water. The blue jug has 4 gallons and 1 quart of water in it, and the red
3 answers
490 views
The area of a rectangle is 45 square inches. One dimension is 5 inches. What is the perimeter?
3 answers
633 views
The perimeter of a rectangle is 38 centimeters. The length is 7.5 centimeters. What is the width?
3 answers
506 views
Each side of the shaded square is 1 unit. What is the length, width, and area of the figure?
1 answer
750 views
Evaluate using long division.
The integral of x/6x-5 dx How do I divide this?
3 answers
531 views
Evaluate the integral.
Problem#1 Integral sign 4dx/[(x+3)(x^2 +3x) Does it matter where A, B, and C is placed over. Is there a
1 answer
468 views
Integral sign 8x/(x-1) dx
Is it 8x+8ln abs (x-1)+C ?
1 answer
383 views
A solution is prepared by mixing 50.0mL of 0.001 M HCl and 10.0 mL of 0.200 M NaCl. What is the molarity of chloride ions in
4 answers
5,349 views
Calculate integral [0, infinity) xe^(-x) dx
1 answer
402 views
Integrate x/(6x-5) dx
The answer is 1/6 x + 5/36 ln abs (36x-30) + C... But I don't understand why it is 5/36 times ln.. I
3 answers
454 views
How do you integrate
e^(-t/r)?
1 answer
355 views
How do you integrate
e^(-t/r) dt?
1 answer
362 views
Integrate e^(-t/r) WITH RESPECT TO dt?
3 answers
360 views
How do you integrate
(x-r)^2 (1/r) (e^(-x/r)) from the interval negative infinity to positive infinity?
1 answer
366 views
Why is cis-PCl3F2 polar and trans-PCl3F2 nonpolar?
3 answers
1,014 views
Is it correct to say..
"This chicken tastes fabulous." Is the word "fabulous" used correctly in this context?
3 answers
374 views
Can pi bonds be made from d-orbitals?
1 answer
399 views
Calculate the frequency of light associated with the emission from n=5 to n=4 in the hydrogen atom.
I got -7.41 x10^13 Hz, but
2 answers
497 views
Name the compound or give molecular formula.
1. Pt(NO2)2 : ? Is it Platinum (II) Nitrite 2. Manganese (II) bromide pentahydrate:?
3 answers
571 views
Can pi bonds be made from d-orbitals?
1 answer
368 views
How do I integrate sqrt of (1+e^(2x)) if doing u-sub.. u=sqrt of (1+e^(2x)) and ten using partial fraction...?
1 answer
362 views
What is the increasing dipole moment for CO,CS, and SiS?
My answer: SiS<CO<CS Is this correct?
2 answers
571 views
Compute the surface area of revolution about the x-axis over the interval.
y = x^2, [0, 4] Is it (pi/12)(65^2 - 65)^(3/2)?
1 answer
439 views
Compute the surface area of revolution about the x-axis over the interval.
y = x^2, [0, 4] Is it (pi/12)(65^2 - 65)^(3/2)?
2 answers
925 views
Find the interquartile range given these data points: 57,66,69,71,72,73,74,77,78,7879,79,81,81,82,83,83,88,89,94.
When I used the
2 answers
588 views
Find the interquartile range given these data points: 57,66,69,71,72,73,74,77,78,7879,79,81,81,82,83,83,88,89,94.
When I used the
3 answers
899 views
You can mix 100.mL of 1.0 M HCl with 100 mL of 1.0 NaOH, both at 25 degree Celcius. The temperature of your calorimeter rises by
2 answers
719 views
You can mix 100.mL of 1.0 M HCl with 100 mL of 1.0 NaOH, both at 25 degree Celcius. The temperature of your calorimeter rises by
4 answers
3,325 views
An unknown piece of metal weighing 100. g is heated to 90.0 degrees Celcius. It is dropped into 250 g of water at 20.0 degrees
4 answers
4,542 views
Since most chemical reactions are conducted in containers open to the armisphere, why is the energy transfer associated with a
4 answers
1,187 views
Why is gasoline (octane) better than diesal (cetane)?
3 answers
332 views
You are at your cabin in the woods. Will you be able to take a hot bath tonight if only 0.1 lb of propane remains in the tank?
2 answers
1,102 views
Calculate the average kinetic energy of 1 mol of hydrogen molecules and of 1 mol of sulfur hexafluoride molecules at 25 degrees
1 answer
777 views
Why is the pressure of a gas does not depend on the molar mass of the gas?
1 answer
434 views
1. Oxygen (O2) is about 20% of our air, with about 80% nitrogen and a bunch of minor components. In Colorado Springs, where I
2 answers
663 views
1. Oxygen (O2) is about 20% of our air, with about 80% nitrogen and a bunch of minor components. In Colorado Springs, where I
2 answers
487 views
Reacting 1 L of H2(g) with 1 L C2H2(g) (both at STP) results in the formation of 1 L of C2H4(g) if the reaction is maintained at
1 answer
421 views
Reacting 1 L of H2(g) with 1 L C2H2(g) (both at STP) results in the formation of 1 L of C2H4(g) if the reaction is maintained at
1 answer
439 views
I am stuck on b)...
Reacting 1 L of H2(g) with 1 L C2H2(g) (both at STP) results in the formation of 1 L of C2H4(g) if the
2 answers
677 views
Combusting 44.8L of H2 with 22.4 L O2 (both at STP) results in the formation of 44.8 L of H2O if the reaction is maintained at
2 answers
493 views
Another card game. In a new card game, you start with a well-shuffed full deck and draw 3 cards without replacement. If you draw
1 answer
855 views
Please check my answers.
Thank you! Another card game. In a new card game, you start with a well-shuffed full deck and draw 3
1 answer
829 views
Baggage fees. An airline charges the following baggage fees: $25 for the rst bag and $35 for the second. Suppose 54% of
3 answers
5,781 views
Please check my answers.
Thank you! The game of American roulette involves spinning a wheel with 38 slots: 18 red, 18 black, and
3 answers
3,234 views
Please check.
HCl: dipole-dipole interaction HF: hydrogen bonding TiCl4: ionic bonding? CsCl:ionic bonding
1 answer
471 views
Baggage fees. An airline charges the following baggage fees: $25 for the rst bag and $35 for the second. Suppose 54% of
2 answers
1,234 views
Another card game. In a new card game, you start with a well-shuffed full deck and draw 3 cards without replacement. If you draw
3 answers
5,525 views
The dimensions of a triangular prism are shown below each congruent base is a right triangle which measurement is closest to the
4 answers
919 views