
Please help me with this questions, i tried doing it by myself but they are too hard. so pleasssssssssssssssssssssssssssssssssseeee help me. 1. Shown here is the graph of which of the following equations? A. y = –x – 3 C. y = x – 3 B. y = 3 – x D.

To what temperature would the reaction below need to be heated to have a rate constant of 8.474e4 M1s1 if the rate constant was 2.7000e4 M1s1 at 327.00°C and the activation energy was 166.000 kJ/mol? H2(g) + I2(g) ↔ 2HI(g) a. 609.24°C b.

I am given a graph and asked to derive the function from it. The answer key says y=(3x^25)/(x^225) use wolfram to graph for your convenience. I got the asymptotes but the 5 constant I don't get where it came from. Someone explain to me how to get that

what does it mean to have a constant acceleration does that mean that a= 0 or a=x? I particularly need help with::::>> Suppose the pilot, starting again from rest, opens the throttle only partway. At a constant acceleration, the airboat then covers a

Consider the exponential function . Which of the following best describes the the graph of g? a. Concave up and increasing b. Concave up and decreasing c. Concave down and increasing d. Concave down and decreasing The rules are +constant, concave up, 


Problem 47 Simon Hinson Company operates two divisions: Gordon and Ronin. A segmented income statement for the company’s most recent year is as follow: Total Company Gordon Division Ronin Division Sales $850,000 $250,000 $600,000 Less variable expense

Is there a common ratio for the geometric sequence and what are the missing terms? 16,40,100,?,? IS there a common ratio for the geometric sequence and what are the missing terms? 81,54,?,?,?

The lenght and the width of a rectangle are in the ratio 3:2. If the lenght is increased by 20 and the width is decreased by 5, the ratio of the lenght to the width becomes 2:1. Find the lenght and width of this rectangle.

The ratio of the volume of cube A to the volume of cube B is 64 to 27. Use this information to determine the ratio of the length of a side of Cube A to the length of a side of cube B.

. An enzymecatalyzed reaction was carried out in a 0.2M �Tris� buffer, pH 7.8. As a result of the reaction, 0.03 mole/liter of H+ was produced. (pKa of Tris =8.1) (a) What was the ratio of Tris+ (conjugate acid) / Triso (Conjugate base) at

The resistance(r)of a wire varies directly as the length(L)of the wire and inversely as the square of the diameter(d). If the resistance is 9ohms in 50ft of wire that has a diameter of 0.05in, find the resistance in 50ft of a similar wire that has a

An enzymecatalyzed reaction was carried out in a 0.2M �Tris� buffer, pH 7.8. As a result of the reaction, 0.03 mole/liter of H+ was produced. (pKa of Tris =8.1) (a) What was the ratio of Tris+ (conjugate acid) / Triso (Conjugate base) at the

27. No es mi carpeta. La carpeta es _________ Susana. a. con b. en c. de d. mas o menos C 28. Yo tengo quince años. Mi hermana es mayor. Ella _________. a. tiene veinte años b. tiene catorce años c. es profesora también d. tiene amigos que son

Melanie mixes water with plant fertilizer in a proportional relationship that can be represented by the equation w=3p, where w is the number of quarts of water and p is the number of tablespoons of plant fertilizer. To keep this suggested ratio,should

The ratio of boys to girls in a math class is 5 to 3. When 3 girls and 1 boy join the class, the ratio becomes 4:3. What is the least possible number of students in the class after the new students join?


In a game of pool the cue ball strikes another ball of the same mass and initially at rest. After the collision the cue ball moves at 3.50 m/s along a line making an angle of 22 degrees with its original direction of motion. and the second ball had a speed

The ratio of Sylvia's age to Bob's age is 3 to 7. The ratio of Sylvia's age to Joe's is 4 to 9. The ratio of Bob's age to Joe's is: A. 28 to 27 B. 7 to 9 C. 27 to 18 D. 10 to 13

The ratio of white marbles to blue marbles in Jeyan's bag is 2 to 5. If there are more than 50 marbles in the bag, what is the minimum number of marbles that can be in the bag? So what I did was add 2 and 5 which is 7 in total so I answered as 7 marbles,

A particle with mass m = 1.20g and charge q = 345ìC is traveling in the xdirection with an initial velocity of v0 = 68.0m/s. The particle passes through a constant electric field in the ydirection with magnitude E = 263N/C over a distance of d =

The length of a simple pendulum is 0.82 m and the mass of the particle (the "bob") at the end of the cable is 0.69 kg. The pendulum is pulled away from its equilibrium position by an angle of 6.7 ° and released from rest. Assume that friction can be

a crew member is walking on a tugboat that is pulling a barge. the tugboat is moving at a constant speed upstream in a river that has a constant downstream current. In the situation above, what is at rest relative to the tugboat?

Note that pi lim arctan(x ) =  x > +oo 2 Now evaluate / pi \ lim arctan(x )   x x > +oo \ 2 / I'm not exactly sure how to attempt it. I have tried h'opital's rule but I don't believe you can use it here. Any help will be greatly

A car accelerates a form an initial speed to higher final sped while the engine puts out constant power. During this time period, magnitude of the car's acceleration was .. a increasing b decresing c constant d unpredictable please explain why also.

The rate constant of a first order reaction is 4.60x10^4/s at 350 degrees Celsius. If the activation energy is 104 kJ/mol, calculate the temp. at which its rate constant is 8.80 x 10^4/s. So I think that I can use this version of the equation: ln (k1/k2)

math test help!!! 1. There are 3 red paper clips, 5 yellow paper clips, and 6 silver paper clips in a jar. What is the ratio of the total number of paper clips to the number of red paper clips? I think 14:3 2. which of the ratios is equivalent to 12/20? I


A nonuniform beam of length L and weight w makes an angle of è with the horizontal. It is held in position by a frictionless pivot at its upperright end and by a cable a distance of farther down the beam and perpendicular to it. The center of gravity of

In a large hotel, a fast elevator takes you from the ground floor to the 21st floor. The elevator takes 17 s for this trip: 5 s at constant acceleration, 7 s at constant velocity, and 5 s at constant deceleration. Each floor in the hotel has a height of

A rocket, initially at rest on the ground, accelerates straight upward with a constant acceleration of 29.4 . The rocket accelerates for a period of 10.0 before exhausting its fuel. The rocket continues its ascent until its motion is halted by gravity. The

a mathematics professor wishes to analyze the relationship between the number of papers graded by his department's student homework graders an the total amount of money paid to the graders. He collects data for 12 randomly chosen graders and uses MINITAB

How would you solve these problems? I am confused about what it is asking and how to start it. A step by step process with explanation would be greatly appreciated. Also, are there any simple ways to work out the problems without getting confused, or is

The ratio of the number of boys to the number of girls in Mr. Brown's class is 5:4. Which of the following can be calculated using the information given? A. The number of girls in Mr. Brown's class B. The number of boys in Mr. Brown's class C. The ratio of

Please help with this question. I have a general solution to a differential equation of 18y^3/2= TOP LINE OF FRACTION is 2(x^26x+23)^3/2 and this is divided by 3.plus Constant .I work out constant c to be zero. Is this correct? What is the particular

An enzymecatalyzed reaction is carried out in a 50mL solution containing 0.1 M TRIS buffer. The pH of the reaction mixture at the start was 8.0. As a result of the reaction, 0.002 mol of H+ were produced. What is the ratio of TRIS base to TRIS acid at

There are blue red and green buttons in a box. The ratio of blue to red buttons is 3:4. There are 12 more green buttons than blue buttons. 6 blue buttons and 1/3 of the green buttons were removed from the box. The number of buttons removed were replaced by

A glider on an air track carries a flag of length through a stationary photogate that measures the time interval td during which the flag blocks a beam of infrared light passing across the gate. The ratio vd = / td is the average velocity of the glider


I am so weak at this new class I started no matter how many times I read my textbook, I cannot understand how to calculate ratios can someone please show me or guide me how to work these problems, I would really appreciate it, thank you please help me..

Which ratios does NOT form a proportion? 1. 24/96 , 27/108 2. 17/102 , 12/70 3. 21/51 , 35/85 4. 45/75 , 63/105 Which ratios form a proportion? Use cross products to test each pair. 1. 9/17 , 27/50 2. 12/35 , 24/75 3. 15/55 , 33/ 121 4. 12/35 , 20/70 Which

A ball is tossed straight up from the surface of a small spherical asteroid with no atmosphere. The ball goes to a height ewual to the asteroid's radius and then falls straight down towardd the surface of the asteroid. What forces if any act on the ball

We have two bags of marbles. The first bag has a ratio of 2 blue marbles to 7 red ones. The second bag has the same ratio. If the 2nd bag has 37 red marbles, how many blue ones does it have?

A red car and a green car, identical except for color, move toward each other in adjacent lanes and parallel to an xaxis. At time t=0, the red car is at x sub r = 0 and the green car is at x sub g = 220m. If the red car has a constant velocity of 20km/h,

A red car and a green car, identical except for color, move toward each other in adjacent lanes and parallel to an xaxis. At time t=0, the red car is at x sub r = 0 and the green car is at x sub g = 220m. If the red car has a constant velocity of 20km/h,

1. acupuncture is an example of chinese A. cooking B. medicine <My answer C. theater. D. art 2. this emperor based his rule on the ideas of legalism. A. Qin Shihuangdi<my answer B. Kunlun Shan C. Wu Wudi D. Tian Shan 3. According to Laozi, what does

How can I find the supernormal growth rate and constant growth rate of a stock? V = D1/kg V = the value of the stock D1 = the dividend next period k = the required rate of return g = constant growth rate I'm confused on how to combine the constant growth

When 100.0ml of a weak acid was titrated with 0.09381M NaOH, 27.63ml were required to reach the equivalence point. The pH at the equivalence point was 10.99. What was the pH when only 19.47ml of NaOH had been added ? I'll just post my work and I need

The ratio of boys to girls in a school choir is 4:3. There are 6 more boys than girls. If another 2 girls join the choir, what will be the new ratio of boys to girls????


The ratio of boys to girls in a school choir is 4:3. There are 6 more boys than girls. If another 2 girls join the choir, what will be the new ratio of boys to girls????

The ratio of boys to girls in a school choir is 4:3. There are 6 more boys than girls. If another 2 girls join the choir, what will be the new ratio of boys to girls?

An oscillator has an amplitude of 3.2. At this instant displacement of the oscillator is 1.4. What are the two possible phases of the oscillator at this instant? Work so far: x= Acos (constant) x=displacement A=amplitude so 1.4=3.2 cos (constant)

#1)Which ratio forms a proportion? Use cross products to test each pair. (A)15/40, 35/90 (B)18/22, 45/55 (C)12/55, 33/121*** (D)17/31, 32/45 #2)Which ratio forms a proportion with 20/30? Use equivalent ratios to test each pair. (A)16/24 (B)10/20***

A spinning star begins to collapse under its own gravitational pull. Which one of the following occurs as the star becomes smaller? 1.Its angular velocity decreases. 2.Its angular momentum increases. 3.Its angular velocity remains constant. 4. Its angular

The temperature of 2.0 g of helium is increased at constant volume by ΔT. What mass of oxygen can have its temperature increased by the same amount at constant volume using the same amount of heat? I know for constant volume I should use the equation:

Suppose that velocity is constant. The economy's output of goods and services rises by 5% each year. What will happen to nominal GDP and the price level next year if the Fed keeps the money supply constant? (Hintput the variables into the formula) Help!

In the formation of sulfur hexaflouride, does the reaction at constant pressure or volume proceed more spontaneously? I've done the calcs to show that at constant volume, it is slightly more spontaneous, but I can't seem to find a good reason why... it

This is really long but i really need help!! THX In 1973, there was a war between some arab countries and Israel. Many western countries wanted to help Israel. Some arab oil exporting countries have reacted by cutting oil exports to those countries. Prices

Demand of Bonds Point Price of bond Interest rate (i) Demand A $925 (1000  925)/ 925 = 8.1% $100 billion B $800 (1000  800)/ 800 = 25% $400 billion Table 2: Supply of Bonds Point Price of bond Interest rate (i) Demand A $925 8.1% $400 billion B $800 25 %


Take the greatest care with your significant digits. If you don't this qusestion is not do able. Llyn Gweision ( A welsh lake) has a surface area of 10km2. It is fed by two rivers: the afron Chwefru and the nant aeron. The Chwefru has a catchment area of

An enzymecatalyzed reaction is carried out in a 50mL solution containing 0.1 M TRIS buffer. The pH of the reaction mixture at the start was 8.0. As a result of the reaction, 0.002 mol of H+ were produced. What is the ratio of TRIS base to TRIS acid at

Two Earth satellites, A and B, each of mass m, are to be launched into circular orbits about Earth's center. Satellite A is to orbit at an altitude of 7460 km. Satellite B is to orbit at an altitude of 20500 km. The radius of Earth REis 6370 km. (a) What

A crane is configured as below, with the beam suspended at two points l1 and l2 by each end of a cable passing over a frictionless pulley. The two ends of the cable each make an angle θ with the beam. A counterbalance object C with mass mC is fixed at

a body is moving with a initial velocity of 2m/s with constant acceleration of2m/s^2.another body starts from rest with constant acceleration of 6m/s^2.find how far from the second particles overtake the first

Mass of gas is 300 gm and its specific heat at constant volume is 750 J/kg K. if gas is heated through 75°C at constant pressure of 105 N/{m^2}, it expands by volume

The heat of combustion of C2H4 at 27 C at constant prssure is 333.3 Kcal. What will be the heat of combustion at constant volume considering the water to be in liquid state? (R=1.987 cal)

If the color of a silver nanoparticle remains constant, what does that tell you about the tendency of the particles to aggregate under those conditions? I think the particles won't aggregate, but I am not sure why. Is it because the atoms are moving at a

The reaction 2NOCl(g) ¨ 2NO(g) + Cl2 (g) has an activation energy of 100.0 kJ/mol and a rate constant at 350.0 K of 8.5 x 106 mol1 L s1. Determine the rate constant at 400 K.

Two cars pass each other traveling at the same speed. One car has a constant velocity of 18.0 m/s east. The other car has a constant acceleration of 3.00 m/s^2, west. How much time will have elapsed until the cars are 128 m apart?


suppose you are driving on a straight two lane road at a constant speed of 88 km/h truck travelling at a constant speed of 104 km/h approaches you.what is the truck's velocity relative to you.

calculate the ionization constant of the conjugate base for a solution made from 0.2Molar HC2H3O2 and 0.5Molar C2H3O2.The ionization constant for the acid (HC2H3O2) IS 1.8 Multiplied by 10^(5)

michael starts at x=3 m and travels to the right at a constant 6 m/s for 2 s. he then slows down at a constant rate, coming to rest at 4 s after beginning to slow. A) what is michael's position when t=4 s.? C) What is Michael's velocity when t=4 s? d) What

i am having serious optimization problems. i don't get it!!! plz help. a 216m^2 rectangular pea patch is to be enclosed by a fence and divided into two equal parts by another fence parallel to one of the sides. what dimensions for the outer rectangle will

Ok, I have few questions which I solved but the answers in he book do not match with the ones that I got. Q1. The deBrogile wavelength of a neutron at 927 degree C is {lambda}. What will be its wavelength at 27 degree C? I got 2 {lambda}, book says

It is difficult to predict when a slot machine will payoff. Sometimes it takes 200 pulls, sometimes 500, sometimes 1,000 or more. Since you know it must payoff sometime, you keep plugging in the coins. Slot machines like this are set up on: A. Fixedratio

45. The change in total output resulting from a 1unit increase in the quantity of an input used, holding the quantities of all other inputs constant, is ______. (Points: 3) average cost average product marginal cost marginal product 46. When an additional

A red car and a green car, identical except for color, move toward each other in adjacent lanes and parallel to an xaxis. At time t=0, the red car is at x sub r = 0 and the green car is at x sub g = 220m. If the red car has a constant velocity of 20km/h,

A red car and a green car, identical except for color, move toward each other in adjacent lanes and parallel to an xaxis. At time t=0, the red car is at x sub r = 0 and the green car is at x sub g = 220m. If the red car has a constant velocity of 20km/h,

I have several problems that I don't know how to do. I will post one now and hope that someone can help me. The problem is: A cylinder made of playing dough with dimensions h=10cm, and r=1cm, is being stretched from both ends. (a) If V is the volume of the


Two cars cover the same distance in a straight line. Car A covers the distance at a constant velocity. Car B starts from rest and maintains a constant acceleration. Both cars cover a distance of 487 m in 216 s. Assume that they are moving in the +x

Two cars cover the same distance in a straight line. Car A covers the distance at a constant velocity. Car B starts from rest and maintains a constant acceleration. Both cars cover a distance of 515 m in 229 s. Assume that they are moving in the +x

Two Earth satellites, A and B, each of mass m, are to be launched into circular orbits about Earth's center. Satellite A is to orbit at an altitude of 7460 km. Satellite B is to orbit at an altitude of 20500 km. The radius of Earth REis 6370 km. (a) What

Demetria is tiling a square area of her bathroom floor. For every 13 white tiles used, she wants to use 12 gray tiles. Draw a grid , 5 squares by 5 squares, then shade the tiles to show a pattern that would match the ratio of white tiles to gray tiles that

a 10.0 cm cylindrical chamber has a 5.0cm diameter piston attached to one end. The piston is connected to an ideal spring with a spring constant of 10.0N/cm. Initially, the spring is not compressed but is latched in place so that it cannot move. When the

A 1.80 kg object is connected to a spring of force constant 120 N/m. How far is the spring stretched if it is used to drag the object across a floor at constant velocity? Assume the coefficient of kinetic friction is 0.60.

calculate the rate of a constant reaction at 293 kelvin when the energy of activation is 103 kilo joules per mole and the rate constant at 273 kelvin is 7.87*10 to the power 7...

calculate the rate of a constant reaction at 293 kelvin when the energy of activation is 103 kilo joules per mole and the rate constant at 273 kelvin is 7.87*10 to the power 7...

You have a 15.0 kg block of wood and you drop it from rest at a great height. It reaches terminal velocity of 31.3 m/s. If this is lowspeed drag, what is the value of the constant b? If this is a highspeed drag, what is the value of the constant c?

What is the pH of a buffer solution made from 0.20M HC2H3O2 abd 0.5M C2H302^.The ionization constant of the acid (Ka)(HC2H3O2)is 1.8multiplied by 10^5. (ii)Calculate the ionization constant of its conjugate base


a car starts from rest &moves along x axis with a constant acceleration of 5 m/s2 for 8 sec.if it then continues to move with a constant velocity,what dist will the car cover in 12 sec since it stared.

In an isothermal reaction (either reversible or irreversible), DELTA T is constant..hence zero since temperature remains constant, can we also assume that heat is also zero? if so, how then is an isothermal reaction different from an Adiabatic one?

An object in uniform circular motion moves at a constant speed around a circle with a fixed radius. Why is the object said to be accelerating though it has a constant speed?

I am confused with this problem, A 14.1 oz box of cereal costs $2.89. Find the constant of direct variation I don't know how to figure out the constant of direct variation and i need help.

the ships leaves a port with a constant course and constant speed. after 2 hours the ship is 55miles south and 20 miles west of port. what is its course and speed?

the activation energy for the decomposition of HI(g) to H2(g) and I2(g) is 186kj/mol. the rate constant at 555k is 3.42 x 10^7 L/mol*s. What is the rate constant at 645K? Please Show all Steps! thank you!

A gas expands from 282 mL to 971 mL at constant temperature.Calculate the work done (in joules) by the gas if it expands against a constant pressure of 6.00 atm.

A tugboat exacts a constant force of 5 000N on a ship moving at constant speed through a harbor. How much work does the tugboat do on the ship in a distance of 3.00 km?

At Frugal Foods a loaf of bread cost about $1 in 1980. In 2013, the loaf of bread cost $2.50. 1.A ratio is a comparison of two amounts by division. What is the ratio of the cost of a loaf of bread in 2013 to the cost in 1980? *$2.50/1 2.Assuming the price

Dr Bob Can you confirm please Given a cylinder of fixed volume filled with one mole of Ar gas,which of the following is CORRECT? (assume that all gases obey the ideal gas laws) A: if the cylinder temp. is changed from 20 to 25 deg.C the pressure will


A ball is falling through the air. It has just two forces acting on it, its weight and air resistance. Which of the following statements is true? a. There are only conservative forces acting on the ball. b. There are only nonconservative forces acting on

A new bank has vault cash of $1 million and $5 million in deposits held at its Federal Reserve District Bank. a. If the required reserves ratio is 8 percent, what dollar amount of deposits can the bank have? b. If the bank holds $65 million in deposits and

This is my third time to ask this and no one has answered. Please help. An enzymecatalyzed reaction is carried out in a 50mL solution containing 0.1 M TRIS buffer. The pH of the reaction mixture at the start was 8.0. As a result of the reaction, 0.002

Peanuts, walnuts, and cashews are mixed by volume in the ratio 5:3:2, to make a party snack. The number of cups of walnuts needed to make 12 cups of party mix are between: a) 1 and 2 b) 2 and 3 c) 3 and 4 d) 4 and 5 Math  Ms. Sue, Monday, February 20,

I got some questions about air bags. Can someone please help me out? Thamks in advance for giving me any information about that. 1. Which starting material used in the air bag inflator is least important for the proper inflation of the air bag? Would it be