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Kay
Questions and answers by
Kay
, page 2
Questions (380)
1.) a computer package sale comes with two different choices of printers and four different choices of monitors. if a store
4 answers
866 views
A parallelogram is a convex quadrilateral with four vertices and two sets of opposite parallel sides. Given 3 of the vertices of
1 answer
498 views
A perpendicular bisector is a segment which is perpendicular to another segment, and specifically goes through the midpoint of
2 answers
1,083 views
Explain how to use cross product to detemine whether the ratios 27 to 36 and 12 to 16 are equal.
3 answers
545 views
How many orbitals have the values n3=4 and l3=3
How many orbitals have the values n=4, l=3, and ml=-2
3 answers
349 views
How many orbitals have the values n_3=4 and l_3=3 ?
How many orbitals have the values n=4, l=3, and ml=-2?
3 answers
372 views
Select the options below that are correct for diamagnetism and paramagnetism.
A) Most elements and some compounds are
4 answers
948 views
I need to provide literature allusion about Hector. and one about Paris, and one about Achilles.I am having a hard time finding
1 answer
615 views
How many orbitals have the values n_3(n sub 3) n_3=4 and l_3(l subscript 3) l_3=3 ?
How many orbitals have the values n=4, l=3,
1 answer
346 views
how would an increase in mass inside of a rollercoaster affect the sturdiness of the coaster
1 answer
379 views
Use an inequality to solve the problem. Be sure to show the inequality and all of your work. A car rental company has two rental
3 answers
547 views
A combined seperating and throttling calorimeter was used to determined the dryness fraction of steam flowing through a steam
2 answers
592 views
In a tennis serve, a 0.070 kg ball can be accelerated from rest to 35 m/sec over a distance of 0.80 m. find the magnitude of the
2 answers
869 views
A model rocket is launched with an initial velocity of 10 m/sec at an angle of 45° to the ground. What is the total time of
3 answers
326 views
Two masses m1 and m2 are suspended from the ceiling by two string segments. What is the tension in each string segment? Let m1 =
2 answers
542 views
What is the empirical formula of a compound that contains 27.0%S, 13.4%O,and 59.6%Cl by mass?
4 answers
3,137 views
The vector v lies in the subspace of R^3 and is spanned by the set B = {u1, u2}. Making use of the fact that the set B is
1 answer
420 views
||u||=2
||v||=3 ||w||=5 u dot v = -1 u dot w = 1 v dot w = -4 Compute: a. ||-4w|| b. (u+w) dot v c. ||u+v||^2 d. ||v-4w||^2
1 answer
433 views
Determine the frequency of y = 2 �� 3 cos 10x. (nearest tenth)
Please help!
3 answers
345 views
Determine the frequency of y = 2 - 3 cos 10x. (nearest tenth)
Please help
2 answers
916 views
A constant net force of 390 N is applied upward to a stone that weighs 31 N. The upward force is applied through a distance of
2 answers
563 views
A 30 kg satellite and a 2,000 kg meteorite are 21 m away from each other. How much force exists between them?
3 answers
316 views
If you add 50 g of sylvite in 100 ml of water at 60 ° C, the resulting solution will she unsaturated, saturated or
4 answers
1,596 views
the volume of a cylinder is represented by the polynomial 2pier^3 + 12piex^2 + 18piex. find the expression for the radius and
2 answers
493 views
the radius of the circle PB=5cm, diameter AC=10 cm. Find line segment which is part of triangle BPC with an acute right angle.
1 answer
356 views
If a bag contains 50 marbles with 28 red ones and 22 blue ones. A marble is picked at random from the bag.what is the
4 answers
1,638 views
I need help with this question...
Find the values for a, b, and c such that the graph of y= ax^2 + bx + c has a relative maximum
1 answer
367 views
I need help with this question still!!!
Find the values for a, b, and c such that the graph of y= ax^2 + bx + c has a relative
2 answers
991 views
If line LM (0, 9) is congruent to line MN (0, 1) what is the order pair for point M
1 answer
381 views
a ball of mass m1 and a block of mass m2 are attached by a lightweight cord that passes over a frictionless pulley of negligible
2 answers
1,256 views
Is this sentence punctuated correctly?
The oil from Eucalyptus trees, which are native to Australia, is known for its medicinal
1 answer
406 views
a 1000 kg car traveling at 30 m/s suddenly stops in 5 seconds. how much force was used to stop the car?
4 answers
2,048 views
What's a good thesis statement for the book hunger games ?
4 answers
1,452 views
The sides of a triangular lot are represented by x, 2x, and 3x + 2. Find each side if the perimeter is 362 feet.
3 answers
981 views
What is the solution to the system?
x+y+z=-8 x-y-z=6 2x-3y+2z=-1
1 answer
344 views
You are observing a slide of green cells under the 4X objective. Each cell covers roughly 1/8th of the width of your field of
2 answers
700 views
Human vision can distinguish objects down to about a 4th of a millimeter (~250 micrometers). Given this, which of the following
3 answers
1,251 views
Find the integral of:
f(x)= (x^4 + 2 sqrt x )/x^2 I tried... = x^2 + 2 sqrt x / x^2 = x^2 + 2 x^-1.5 =1/3 x^3 + ???
1 answer
288 views
Can you please check my work.
A particle is moving with the given data. Find the position of the particle. a(t) = cos(t) + sin(t)
4 answers
4,447 views
Can you help me with this? I did this many times and got different answers each time.
Find f. f ''(x) = 3e^x + 3sin(x) f(0) = 0
2 answers
613 views
Which has more redox energy Lysine or Tryptophan?
I was thinking Lysine because it has a long chain C-H and C-C bonds but
1 answer
407 views
Find the limit of ( n(n+1)/2 )^2 * 2/n^3 * 2/n as n goes into infinity
I keep on getting 1, which is the wrong answer. Please
1 answer
257 views
I need help finding a word that means "to make greek" using "hellen" as the base
2 answers
616 views
What is the base in regulate?
Is it reg-??
1 answer
294 views
I need help setting up the equation.
The portion of the graph y = ex between x = 0 and x = ln 3 is rotated around the y axis to
5 answers
4,342 views
Solve for L
L^2*pi*a- 2L*pi*x + pi*x^2=0
1 answer
333 views
Can you help me with this statistics problem?
A company requires all employees to take drug test. The company can afford only the
1 answer
1,297 views
In Hermann Hesse's Siddhartha, describe the sentence structure--simple, compound, complex, compound-complex or a mix
2 answers
534 views
If 1/3 of 2x is 5, what is 2/3 of 4x?
1 answer
262 views
A history test is to have 20 questions in which some are multiple choice and some are essay. The multiple choice questions are
4 answers
1,789 views
what is the theoretical yield in grams of aspirin if 2.04g of salicycli acid reacts with an excess of acetic anhydride ?
2 answers
608 views
Identify the components of the diversionary program and initiatives within the NCJRS, women and girls in prison
2 answers
517 views
Compare and contrast state and local programs as they contribute to successful reintegration and transition services for women
1 answer
1,048 views
I too am trying to help my son with his math homework. Problem is: at a Pokemon Tournament there are 6 players. Each player
1 answer
213 views
How many moles of H2 will be produced if 0.500g of Mg is reacted with 10.00mL of 2.0M HCl? Also, provide a balanced equation.
3 answers
572 views
a.) Assume that you had 100 nuts (N) and 75 bolts (B). How many NB molecules could you make by screwing one nut onto each bolt?
b
2 answers
926 views
If 395 grams of water at 21 Celsius absorbs 285kJ of heat from a mountain climbers stove at an elevation where the boiling point
2 answers
712 views
CFCs such as CF2Cl2 are refrigerants whose use has been phased out because their destructive effect on Earth's ozone layer. The
3 answers
1,077 views
Use enthalpies of formation from the textbook to calculate the standard enthalpy of the reaction for the following methane-
2 answers
1,269 views
A metal sphere has a charge of +12uC(microcoulombs). What is the net charge after 2.1 x 10^13 electrons have been placed on it?
2 answers
572 views
A rectangular storage container with a lid is to have a volume of 8 m. The length of its base is twice the width. Material for
4 answers
861 views
A piece of wire 25 m long is cut into two pieces. One piece is bent into a square and the other is bent into a circle.
(a) How
5 answers
7,160 views
When did the GNP of the European Community surpass that of the United States?
1949, 1959, 1969, 1979, or 1989
2 answers
540 views
What is the volume of stock solution of 51 g/L AgNO3 required to make a 50 mL solution of 0.03 M final concentration?
1 answer
422 views
CCl3F boils at 23.8 degrees Celcius, and its molar heat of vaporization is 24.8 kJ/mol. Calculate the molar entropy of
4 answers
5,210 views
The following reaction has the following standard thermodynamic parameters:
Reaction: C(g) + D(g)----> E(g) Delta H
2 answers
1,002 views
The following reaction has the following standard thermodynamic parameters:
Reaction: C(g) + D(g)----> E(g) Delta H
2 answers
954 views
A wooden plate is shaped as a pentagon. The measure of one angle is 20°. The remaining interior angles are obtuse and of equal
3 answers
501 views
To a beaker containing 200 mL of a solution of CuSO4 was added 10.0g of magnesium metal. When the reaction was complete, a
1 answer
416 views
For the reaction, 2 XO + O2 = 2 X02, some data obtained from measurement of the initial rate of reaction at varying
2 answers
507 views
Suppose that you calculated the mass percent of sand in the mixture to be 42%, though the original mixture really contained only
3 answers
418 views
A mechanic charges $35 an hour plus parts to fix a car. If the parts cost $90 and it took 5 hours to do the job, what is the
9 answers
623 views
A rectangle has a length of 9inches and a height of 1.5 feet. What is the area of the rectangle in square inches?
5 answers
3,083 views
Jolie has 6 quarters, 6 dimes, 4 nickels, and 10 pennies in her coin purse. If two coins are drawn at random without
2 answers
1,112 views
Suppose we have Bob the astronaut sitting without a space suit in a spaceship full of air on a mission to Mars. Bob is very fond
1 answer
424 views
Sodium carbonate reacts with nitric acid according to the following equation:
Na2CO3+2HNO3-->2NaNO3+CO2+H2O a. how many moles of
4 answers
5,029 views
A telephone company representative estimates that 40% of its customers use voice mail. To test this hypothesis, she selected a
2 answers
603 views
$400 invested at 3% compounded daily after a period of 3 years=$?(round to nearest cent)
2 answers
837 views
Find the amount of compound interest earned in an account that opens with $27,000, earns 5.8% interest compounded daily, and is
3 answers
436 views
a rectangular garden is located adjacent to a house the family needs to fence in the garden the family wants three side because
2 answers
559 views
I add 5 drops Potassium Iodide (KI) to 5 drops lead nitrate (PbNO3). The solution is centrifuged and the aqueous layer is
2 answers
1,033 views
The combustion of 132 g of propane, C3H8, with excess oxygen liberates 6.6x10^3 kj of heat. What is the enthalpy change for the
3 answers
968 views
Janet drove 304 Kilometers and the trip took 4hours. How fast was Janet traveling?
3 answers
727 views
If 4.02g of hydrogen and 25.0g of oxygen (at standard conditions) are reacted to form water vapor, what quantity of heat is
4 answers
452 views
I form a 3-digit number at random from the digits 1-9. What is the probability that my number has no repeated digits? All three
4 answers
531 views
8) A consumer groups tries to determine the most expensive items in a convenience store. Four items are
purchased in the
4 answers
2,108 views
A plane will normally cover 52 km in 12 min in still air. On one trip she flew with the wind for 2.5 hr. returning, she still
1 answer
348 views
A plane will normally cover 52 km in 12 min in still air. On one trip she flew with the wind for 2.5 hr. returning, she still
1 answer
399 views
Billy, whose mass is 55.2kg, is on his way to work after an ice storm when he accidentally slips on a huge patch of ice whose
1 answer
351 views
When you have 250. mL of a 2.80 M solution of HCl, how many moles of HCl do
you have
1 answer
320 views
L=2x-1
W=x+3 Area =294cm find length and with of rectangle
3 answers
872 views
At what angle to the horizontal must the nozzle of a machine gun be kept when firing to obtain a maximum horizontal range for
2 answers
563 views
A document ys to be reproduced using a duplicating camera where should the document be placed in order to obtain an exact copy
4 answers
1,858 views
The wheels of a bicycle have a 24 inch diameter. When the bike is being ridden so that the wheels make 12 rpm, how far will the
1 answer
434 views
A horse on a merry-go-round is 20 ft from the center and travels at 10 mph. What is its angular speed?
1 answer
371 views
An April 15, 2002 report in Time Magazine stated that the average age for women to marry in the United States is now 25.1 years
1 answer
476 views
You have 10.0 L of 1.2 M KNO3. What molarity would the KNO3 solution be if you were to take 2.5 L of it and dilute it to 10.0 L?
2 answers
916 views
32% of adult internet users have purchased products or services online. For a random sampling of 200 adult users, find the mean,
5 answers
4,230 views
The measures of two consecutive angles of a parallelogram are in the Ratio 3:7. Find the measure of an acute angle of the
3 answers
1,847 views
(Simple Spending Multiplier) For each of the following values for the MPC (marginal propensity to
consume), determine the size of
4 answers
1,376 views
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