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Megan
Questions (631)
(-32)-s (-9) I am not good at algebra. I am supposed to use the distributive property, but not sure where to begin.
4 answers
1,034 views
$45 at 2% for 5 years
1 answer
311 views
$45 at 2% for 5 years
1 answer
301 views
Find the range of the relation [(1, -4), (2,5), (3,5)]. Then determine whether the relation is a function.
0 answers
507 views
What is the molarity of an HCl solution if 38.5 mL of it is titrated to the equivalence point with 41.6 mL of a 1.41 M NaOH
1 answer
558 views
When iron metal reacts with oxygen, the reaction can form Fe2O3. Write a balanced chemical equation for this reaction, and find
1 answer
777 views
When 100 mL of Ba(NO3)2 solution at 25 degrees Celsius is mixed with 100 mL solution CaSO4 solution at 25 degrees Celsius in
1 answer
623 views
Explain in step by step and provide calculations to show how you can prepare 1.50 L of 0.10 M H2SO4 solution starting with 16 M
0 answers
361 views
An object weighing 400.0g in air is immersed in water after being tied to a string connected to a balance. The scale now reads
1 answer
755 views
A 60.00 cm guitar string under a tension of 46.000 N has a mass per unit length of 0.11000 g/ cm.
(a) What is the speed of the
1 answer
541 views
A 60.00 cm guitar string under a tension of 46.000 N has a mass per unit length of 0.11000 g/ cm.
(a) What is the speed of the
2 answers
2,995 views
A 60.00 cm guitar string under a tension of 46.000 N has a mass per unit length of 0.11000 g/ cm.
(a) What is the speed of the
0 answers
538 views
A 60.00 cm guitar string under a tension of 46.000 N has a mass per unit length of 0.11000 g/ cm.
(a) What is the speed of the
0 answers
1,098 views
what is 2x to the second power equals 54
1 answer
314 views
The election results indicate that 131.2 million Americans voted in the 2008 presidential election. This was approximately 63%
4 answers
1,176 views
Betty is sledding down a hill going 12 m/s. She hits a very steep patch and starts to speed up 1.5 m/s2. How fast will Betty be
0 answers
416 views
A 20.0 g bullet is fired horizontally into a 85 g wooden block that is initially at rest on a frictionless horizontal surface
3 answers
794 views
A 58.0 kg soccer player jumps vertically upwards and heads the 0.45 kg ball as it is descending vertically with(b) If the ball
4 answers
799 views
Ann, a 66.1 kg person throws a 0.0460 kg snowball forward with a ground speed of 31.7 m/s. Billy, with a mass of 60.5 kg,
2 answers
542 views
A man claims he can safely hold on to a 12.80 kg child in a head-on collision with a relative speed of 133. mi/h lasting for
1 answer
1,389 views
A 75.0 kg fullback running east with a speed of 6.00 m/s is tackled by a 82.0 kg opponent running north with a speed of 5.00
4 answers
2,713 views
A 20.0 g bullet is fired horizontally into a 85 g wooden block that is initially at rest on a frictionless horizontal surface
3 answers
1,683 views
A 20.0 g bullet is fired horizontally into a 85 g wooden block that is initially at rest on a frictionless horizontal surface
0 answers
770 views
In 1960, the population was 291000. In 1970, the population was 480000. Assuming exponential growth, what is the annual percent
1 answer
516 views
In 1960, the population was 291000. In 1970, the population was 480000. Assuming exponential growth, what is the annual percent
3 answers
501 views
On his 13th birthday he was 112 cm tall and on his 14th birthday he was 121cm tall. Assume a geometric monthly growth rate. What
2 answers
433 views
A natural food store makes its own brand of trail mix out of dried apples, raisins, and peanuts. One pound of the mixture costs
1 answer
1,046 views
Write a net ionic equation for the reaction that occurs when aqueous solutions of potassium hydroxide and nitrous acid are
2 answers
4,307 views
Write a net ionic equation for the reaction that occurs when aqueous solutions of hydroiodic acid and barium hydroxide are
2 answers
3,822 views
A boater wants to head straight across a river that has a current of 3km/hr. If the top speed of the boat in still water is
1 answer
1,075 views
A sled loaded with bricks has a total mass of 18.0 kg and is pulled at constant speed by a rope inclined at 40.0o above the
2 answers
974 views
What can be concluded about Volume in milliliters per celsius, and volume in milliliters per kelvin?
1 answer
377 views
Two blocks each of mass 3.38 kg are fastened to the top of an elevator as in the figure.
(b) If the strings can withstand a
1 answer
527 views
Calculate the molarity of a solution formed using 55.4 g of AgNO3 in enough water to form 250 ml of solution.
1 answer
424 views
A rectangle is 4 inches longer than it is wide and has an area of 165 square inches. Find its dimensions
1 answer
2,747 views
I need help doing my introduction paragraph for my essay
Describe the effects of the growth of Protestantism, and its development
3 answers
657 views
Examine the three themes of the renaissance (humanism. the critical spirit and empiricism). In what ways are these themes
5 answers
522 views
a steel ball drops onto a thick steel plate. its speed just before it hits is 10 m/s and it rebounds with a speed of 9 m/s. what
0 answers
494 views
What is the density of a copper block that is 8.96g/cm^3 in ounces/pint?
I did all the conversions and the answer I got was
1 answer
467 views
Ayeshe was given 3 clues concerning the value of a mystery fraction. The clues she was given are shown below.
1) I am a fraction
0 answers
948 views
This is the question to one of my physic problem.
A person standing outside their house is passed by a runner heading West at a
3 answers
963 views
This is the question to one of my physic problem.
A person standing outside their house is passed by a runner heading West at a
1 answer
439 views
so i got a math work sheet and i cannot figure out the math puzzle and to get the answer you have to do the work but i need
4 answers
535 views
Near what type of physical feature was most of the earliest farming villages built?
1 answer
430 views
The Mannings file a tax return showing $125000 in earned income, $3288 from interest income, and they have a tax credit of 1% of
0 answers
499 views
work out the [OH-], [H+] and pH of the solution formed when 0.500L of 0.250 M hydrochloric acid solution is mixed with 0.500 L
1 answer
450 views
A 20 N force acts on a 10 kg object parallel to the object's displacement. If the force acts for 32 m, what is the final kinetic
1 answer
958 views
The work done on an object by the gravitational force is 28 J. What is the change in the gravitational potential energy of the
1 answer
488 views
From your intergalactic survey base, you observe a moon in a circular orbit about a faraway planet. You know the distance to the
1 answer
566 views
An ant and a beetle are riding a spinning record on a record player. The ant stands on the outside edge of the record while the
1 answer
698 views
Nitrogen gas molecules, which have mass 4.65×10−26 kg, are striking a vertical container wall at a horizontal velocity of
1 answer
554 views
Sam tosses a ball horizontally off a footbridge at 4.3 m/s. How much time passes after he releases it until its speed doubles?
Ca
2 answers
570 views
Enthalpy changes:
H2O2(l) ----> H2O(l) + 1/2P2(g) delta H= -94.6kJ H2(g) + 1/2O2(g)----> H2O2 delta H= -286.0kJ Calculate the
1 answer
3,032 views
With the image of O(-2,-1) after 2 reflections. one across the line y=-5 and line x=1
2 answers
667 views
Find the center of the circle using the equation provided. Please show work!
x^2 + y^2 = 16
0 answers
410 views
Give an example of an infinite set.
1 answer
365 views
Two spheres with charges of 4.00nC and 3.00nC are placed 0.500m apart. At what point between the two charges must the third
4 answers
1,118 views
Evaluate
Tan[(3pi-70000pi)/2]
1 answer
643 views
Write the chemical equation for the reaction that occurs when you add NaOH solution to NaH2PO4/Na2HPO4 buffer solution
1 answer
1,808 views
Hydorgen peroxide may be prepared by the following reactions:
2NH4HSO4 ---> H2+(NH4)2S2O8 (NH4)2S2O8+2H2O ----> 2NH4HSo4+H2O2
2 answers
1,319 views
What is the equilibrium equations that result when solid NH4F is dissolved in sufficient water to produce 5.0 mL of 0.5M NH4F
1 answer
1,714 views
A bag contains five red marbles and three blue marbles. In how many different ways can two red marbles be drawn if the first
0 answers
382 views
In how many different ways can six people be seated in a six-passenger van?
0 answers
409 views
The nurseryman brought six different varieties of trees to plant in six locations in the park. In how many different ways can he
1 answer
422 views
The artist, R. Locklen Jones, selects three paintings from a collection of six to display in a row. How many different
2 answers
1,187 views
The red spinner has six equal sectors labeled with numbers 1 through 6. The blue spinner has four equal sectors labeled with
1 answer
604 views
A box contains 4 blue golf tees, 2 red ones, 1 yellow tee, and 3 white ones. Two tees are randomly drawn from the box. Find the
1 answer
481 views
Two cards are randomly drawn from a standard deck without replacing the card after the first draw. Find the probability of
1 answer
535 views
The numbers 1 through 9 are written on slips of paper and placed into a hat. Two slips are randomly drawn. If the first slip of
1 answer
879 views
A wire has a length of 4.52 x 10-2 m and is used to make a circular coil of one turn. There is a current of 7.94 A in the wire.
3 answers
1,635 views
A wire has a length of 4.52 x 10-2 m and is used to make a circular coil of one turn. There is a current of 7.94 A in the wire.
1 answer
1,191 views
Are these two triangles similar? How do you know?
There are two triangles HMG and JMK They are connected at the top point at M H
2 answers
2,957 views
Find two numbers on the 30-board(the factor game) with the greatest product.
0 answers
365 views
Determine the grams of hexane that will react exactly with 22 g of oxygen. Show all working please. Thank you.
1 answer
640 views
Calculate the moles of hexane required to form 150 g of carbon dioxide. Please show all working. Thank you.
1 answer
961 views
Find the area of a rhombus with a 45 degree angle and sides of 12m long?
1 answer
1,750 views
Six angles in a hexagon are fit together.It looks like this...
_____ /\ / \ /_1\6/_5\ \ 2/3\4/ \/____/ I try to draw the picture
2 answers
1,898 views
A statue is made of a mixture of copper and zinc in a ratio of 11:4 (copper to zinc). If the weight of the statue is 3165
1 answer
1,353 views
The perimeter of the triangle is 40 inches. If you wanted to construct a similar triangle with a perimeter of 50 inches, what
3 answers
1,652 views
In a cathode ray tube, electrons initially at rest are accelerated by a uniform electric field of magnitude 4.71 x 105 N/C
1 answer
965 views
Calculate the number of moles in 35.7 grams of Na3PO3
1 answer
400 views
What exactly is an integral? I understand it is the area under a curve but what does it pertain to?
1 answer
309 views
How do you find the exact value of:
4sin 60degrees - 3tan 135degrees
1 answer
732 views
Kathy works at an optical store selling eyeglasses. Each week she earns $180 plus a 2% commission of her total sales for the
1 answer
554 views
A vessel contains 10 kg of water and an unknown mass of ice at 0°C. The temperature of the vessel is monitored for 60 minutes.
0 answers
616 views
A track star goes in the long jump at 10 m/s at 37 degrees above the horizontal. What is the magnitude of the horizontal
1 answer
442 views
How can one find the magnitude and the directions of a resultant if Vector A is 35N @ 60' NE, and Vector B is 50N @ 20' NW?
1 answer
425 views
How can one find the magnitude and the directions of a resultant if Vector A is 35N @ 60' NE, and Vector B is 50N @ 20' NW?
1 answer
952 views
18a^3 + 30a^2 / 3a
1 answer
448 views
18a^3 + 30a^2 / 3a
1 answer
960 views
What mass of KNO3 in grams would be required to prepare 0.6 liters of a 1.8 M KNO3 solution?
1 answer
699 views
A storage tank used to hold sand is leaking. The sand forms a conical pile whose height is twice the radius of the base. The
2 answers
2,497 views
I'm so confused...can someone please help???
I need to find the orthocenter of the triangle with the vertices R(-4,8), S(-1,5),
1 answer
441 views
Iodine monobromide and ammonia react to produce nitrogen triiodide and ammonium bromide.
(a) Balance the chemical equation for
1 answer
1,894 views
Thermite is a mixture of iron(III) oxide and aluminum powders that is used in some countries to weld railroad tracks. It is a
0 answers
915 views
Al(OH)3(s) + HCl(aq) AlCl3(aq) + H2O(l)
How many moles of HCl are required to react with 0.470 g of Al(OH)3 in the above
0 answers
1,103 views
A nationwide study indicated that 27% of adults said that chocolate was their favorite ice cream flavor. A simple random sample
1 answer
787 views
I need to solve a proof and I cannot figure it out. The instructions say only that I will have to use subproofs within
0 answers
309 views
what is the slope of the line determined by the equation 2x+y=5?
0 answers
337 views
Rationalize the denominator: 5 /4-squareroot 5
(five over four minus square root five) Please explain
2 answers
546 views
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