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Lindsay
Questions (301)
I'm trying to find the intersection point of y=x-2 and y=sqrt(x). I tried letting both equations equal each other but kept
1 answer
805 views
By what factor is the resistance of a copper wire changing when its temperature is increased from 20 degrees Celsius to 120
0 answers
548 views
This is on demonstrative adjectives and are fill in the blanks.
____ pantolones son bonitos y el precio no es muy alto. Si, las
2 answers
1,252 views
Triangles Rst and wxy are similar .
the side lengths of rst are 10 inches. 14 inches and 20 inches and the length of an altitude
2 answers
1,030 views
A bullet with a mass m = 4:83 g and initial speed of 330 m/s passes through a wheel which is initially at rest as in the The
3 answers
1,413 views
A long thin rod of mass M = 2:00 kg and length L = 75:0 cm is free to rotate about its
center as shown. Two identical masses
1 answer
5,880 views
In order to change the angular momentum of an object, it is necessary to apply
a. a net force to the object. b. a net torque to
3 answers
1,895 views
A star with the same mass and diameter as the sun rotates about a central axis with a period of about 29.2 days. Suppose that
1 answer
2,897 views
An airplane of mass 2180 kg located 131 km north of U is
ying 272 km/hr in an easterly direction. (a) What is the magnitude of
1 answer
2,971 views
Calculate the position of the center of mass of the following pairs of objects. Use a
coordinate system where the origin is at
1 answer
846 views
When zinc metal is reacted with hydrochloric acid, zinc chloride and hydrogen gas are produced. If 16.4 ml of 2.14 M HCl are
3 answers
1,415 views
A standard solution is prepared for the analysis of fluoxymesterone (C20H29FO3), an anabolic steroid. A stock solution is first
3 answers
8,478 views
On an air track, a 403.0 glider moving to the right at 2.30 collides elastically with a 501.0 glider moving in the opposite
1 answer
716 views
a horizontal force of 60.0 N is exerted on a 2.00 kg discuss as it is rotated uniformily in a horizontal circle (at arm's
0 answers
408 views
Find the Derivative of the function: f(x)= ln(x^2/2x-3)
3 answers
329 views
The price per unit is given by the equation p=18-2ln(x). What is the marginal revenue at x=400? And what should the number of
0 answers
425 views
The mass of an electron is 9.11\times 10^{-31}~\rm kg. If the de Broglie wavelength for an electron in a hydrogen atom is
1 answer
580 views
In class we started operation with radicals
how would you answer a question like this determine the length of the line segment
1 answer
375 views
A student needed to determine the percent composition of a mixture that contained fluorene and benzoic acid. The student took
1 answer
2,435 views
Can someone review this and let me know if it is acceptable?? This class was so hard and it has been all i can do to pass it!
Her
0 answers
515 views
How does elevation affect temperture
2 answers
454 views
Looking for the simple subject.
How much does it cost to fly to Spain? Is the subject it?
3 answers
364 views
Find the area of the region enclosed by
y−2x^2 ≥ 0 and |x|+|y| ≤ 1
2 answers
453 views
A sales firm receives an average of four calls per hour on its toll-free number. For any given hour, find the probability that
1 answer
2,469 views
1.I have to correct this sentence-
Mi amigo viene de el cine. I think I rewrite it as Mi amigo viene del cine. 2. Ella va a el
2 answers
359 views
A quarterback claims that he can throw the football a horizontal distance of 183 m (200 yd). Furthermore, he claims that he can
0 answers
1,389 views
All amino acids (choose the correct choice)
a) have the same side chains b) form zwitterions c) have the same isoelectric points
2 answers
555 views
What do the two steps of transcription followed by translation do?
0 answers
423 views
A right triangle has an area of 84 ftand a hypotenuse 25 ft long. What are the lengths of its two sides?
Ive gotten this far:
1 answer
1,048 views
Please tell me if these are right?
A mixture of oxygen and helium is prepared for a scuba diver that will descend to 125 feet
2 answers
832 views
A sample of nitrogen (N2) gas has a volume of 250ml at 30 degrees C and a pressure of 745mmHg. What is the volume of the
1 answer
1,365 views
Which compound has the formula HC(=O)-O-CH2-CH3?
1 answer
416 views
Draw the condensed structural formula for the products of the acid hydrolysis of the following amide with HCl:
CH3-CH2-C(=O)-NH2
3 answers
1,646 views
I know that vanillin has the functional groups aldehyde, ether, and phenol. My assigment says there is a fourth. Which one am I
1 answer
457 views
Which one of these has the smallest # of hydrogen atoms?
a) Butyne b) Butane c) Butyne d) Cyclobutane Is the answer c)?
6 answers
499 views
It says "Find the slope of each line"
10=-5x+2y 4x-3y=12
1 answer
399 views
Find the sum of the first 40 terms of the arithmetic sequence. 19, 24, 29, 34
2 answers
1,687 views
How much Ba(OH)2 is needed to neutralize 3.2 moles of H2SO4 and 4.5 moles of HCl mixed together in 755 mL of water?
4 answers
2,067 views
The equation of a circle is x^2-6x+y^2+2y=15
what is the center and the radius?
2 answers
695 views
I have found all the answers, but I have no idea how to compare my findings.
Here are what I need to compare. 1) Rules of thumb:
1 answer
591 views
how do you solve? 1/4 x + y = -2
1 answer
266 views
A vet surveys 26 of his patrons. He discovers that 14 have dogs. 10 have cats. 5 have fish. 4 have dogs & cats. 3 have dogs &
4 answers
1,136 views
The first row of a concert hall has 25 seats and each row after the first has one more seat than the row before it. There are 2
4 answers
4,858 views
consider the function f(x) = e^x(sinNx) on the interval [0,1] where N is a positive integer.
a) Compute the integral from 0 to 1
0 answers
691 views
Sound enters the ear, travels through the auditory canal, and reaches the eardrum. The auditory canal is approximately a tube
2 answers
2,386 views
A 38 cm length of wire has a mass of 6.0 g. It is stretched between two fixed supports and is under a tension of 145 N. What is
0 answers
722 views
the perimeter of a semicircular region is 20. find the area of the region
0 answers
376 views
Given x+xy+2y^2=6 find the coordinates of all other points on this curve with slope equal to -1/3. Please show work.
0 answers
434 views
the limit (h->0) of
(sin^2(3x + 3h) - sin^2(3x))/(h) is....
0 answers
309 views
When dissolved in water, ammonium phosphate would have a value of __________ for i solute.
1 answer
811 views
What is the process that occurs when solvent molecules surround a solute?
1 answer
1,043 views
An unknown solute (a nonelectrolyte) was obtained and 5.37 g was weighed out. After dissolving the solute in water, the mass of
1 answer
771 views
If the freezing point depression (DTf) is 5.62 and the freezing point depression constant (Kf) is 3.90, what is the molality of
1 answer
648 views
What is the main verb in this sentence...This dog food is made for larger dogs?
2 answers
585 views
When you consume more food than you require the mitochondria in the liver are involved in forming triglycerides from the excess.
0 answers
369 views
Three fatty acids form a triglyceride with one glycerol. What similarities would the fatty acids have with polysaccharides? What
0 answers
530 views
considering the polarity of each compound and that of a solvent in which it is dissolved (including the potential for hydrogen
0 answers
606 views
considering the polarity of each compound and that of a solvent in which it is dissolved (including the potential for hydrogen
2 answers
609 views
Can someone explain to me why the intersection of two infinite sets is not always an infinite set, but the union of two infinite
2 answers
612 views
what is the difference between a predicate and a verb? is a predicate a type of verb and if it is then how can i tell when it is
4 answers
626 views
Where can I find information on decarboxylases, kinases, etc and their function? I look everywhere, but the only information I
1 answer
382 views
Im's So confused about stoichiometry.
My question is this use stoichiometric calculations to predict the mass of solid product
1 answer
532 views
Choose the true statements regarding the charge-minimized Lewis structure(s) of the BrO2- ion. (selet all that apply)
a. There is
1 answer
2,633 views
9b^2-(-4b)^2
is this 9b^2+4b^2 or 9b^2+16b^2?
4 answers
423 views
In a quadrilateral ABCD, Angle A = 120 degrees, Angle B = 140 degrees.
The bisectors of the angles C and D meet at the point Y.
2 answers
1,414 views
x=3y-4
2x-y=7 solve as a set/substitution.
2 answers
418 views
in y= mx+b m=rise/run what is b for?
1 answer
317 views
4x+y=3 find the slope using the slope form formula y=mx+b slope=rise/run
1 answer
531 views
-An object whose height is 5.8 cm is at a distance of 9.5 cm from a spherical concave mirror. Its image is real and has a height
3 answers
661 views
At 10:00hrs a 1.5- m-long vertical stick in air casts a shadow 1.4 m long. If the same stick is placed at 10:00hrs in air in a
3 answers
700 views
What is the smallest a flat mirror can be while still being able to see your full reflection?
I need to show my work/explain. Can
2 answers
414 views
i can help
0 answers
276 views
A 86.0 kg person steps into a car of mass 2500.0 kg, causing it to sink 3.0 cm. Assuming no damping, with what frequency will
0 answers
739 views
My question had 2 parts:
a) A 2.0 kg object oscillates with simple harmonic motion on a spring of force constant 580.0 N/m. The
1 answer
1,073 views
When you release the arm of a trebuchet and the projectile is released, I know that energy is lost/wasted. Can someone give me
2 answers
389 views
A lead ball, with an initial temperature of 25.0oC, is released from a height of 96.0 m. It does not bounce when it hits a hard
1 answer
615 views
In a certain process, 2.11x10^5 J of heat are supplied to a system and at the same time, the system expands against a constant
0 answers
447 views
The burning of gas in a car produces about 12,600 kJ/gallon of energy. If a car averages 35 km/gal when driving 90 km/hr, which
1 answer
437 views
A steam engine's boiler completely converts 155 kg of water to steam. This process involves the transfer of 3.5 x 10^8 J by
6 answers
2,192 views
If a space probe were sent into orbit around the sun that brought it as close as 0.5 AU to the sun and as far away as 5.5 AU,
2 answers
619 views
If you lived on Mars, which planets would describe retrograde loops? Which would never be visible as crecent phases?
2 answers
3,643 views
in chapter 6 what is 1)contrast the attitudes of jack and ralph to the news of the beast. 2)what us the beast from the air? and
1 answer
681 views
what does multiplying a complex number by a real number do to its polar representation?
1 answer
375 views
If the density of a substance is 7.87 g/cubic cm, convert this density to g/cubic inches.
6 answers
455 views
rewrite using radicals and rational numbers
Cos 3(pi)/8
1 answer
465 views
How do the mainsail and the jib of a sailboat help the boat sail? What do these two sails have to do with force?
1 answer
468 views
My class is making sailboats out of styrofoam. Basically we are given a block of styrofoam, some plastic bags/wooden dowels for
2 answers
668 views
An archer shoots an arrow that leaves the bow at an angle of 42 degrees above the horizontal. The arrow hits a target located
1 answer
855 views
An archer shoots an arrow that leaves the bow at an angle of 42 degrees above the horizontal. The arrow hits a target located
0 answers
730 views
I'm so horrible at biology so help is appreicated;
"The following experiment is to test the limits of cell population growth.
0 answers
625 views
I had to do a learning project in Psych.
For my project I taught myself to make my bed every day using operant conditioning. If I
3 answers
1,183 views
During World War 2, there were some cases where the crew fell out of burning aircraft without a parachute and survived the fall.
1 answer
571 views
A flea pulls on a puck with force 7 microN at an angle of 30°. Another flea pulls on the puck with force 2 microN at an angle
3 answers
1,702 views
A car traveling at a constant speed of 125 km/hr passes a trooper hidden behind a billboard. One second after the speeding car
2 answers
1,416 views
A 2.6 m long, 16 kg piece of plywood is sitting on a pair of sawhorses. The sawhorses are .3 m from the left end and .5 m in
1 answer
576 views
How much torque is applied to a bicycle wheel whose radius is 0.40 m in order to accelerate the 15 kg bike and 78 kg rider at a
1 answer
590 views
I still cannot solve this problem:
Consider a spaceship located on the Earth-Moon center line (i.e. a line that intersects the
1 answer
661 views
Consider a spaceship located on the Earth-Moon center line (i.e. a line that intersects the centers of both bodies) such that,
4 answers
787 views
Two 2.160 kg crystal balls are 0.870 m apart in the vertical direction. Calculate the magnitude of the gravitational force they
6 answers
1,304 views
Suppose that the ratio of the Moon's mass to the Earth's mass is given by 1.200E-2 and that the ratio of the Moon's radius to
4 answers
667 views
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