# CJ

Newest questions posted by CJ-
## music

it is common for a Baroque piece of music to? A: Slow down and speed up B: remain constant in tempo **** C: limit the amount of chords used D: be performed mainly on brass instruments. I chose B as my answer could someone please tell me if I am even close -
## mtap

the length of the diagonals are 3x+2 and 5x-8. find x -
## Chemistry

A star is estimated to have a mass of 1 ✕ 1036 kg. Assuming it to be a sphere of average radius 7.0 105 km, calculate the average density of the star in units of grams per cubic centimeter. round to the correct number of significant figures. -
## Chemistry

If your car gets 28 miles to the gallon, how many liters of gasoline are necessary to travel 157 km? -
## History

Do you think Natural Rights have remained the same? -
## history

why would colonists resist the end of salutary neglect? -
## Human Relations

Give an example of a situation for which you think "Hey" is an inappropriate salutation and why ? -
## science

how do layers b and d compare in age? if rock layers between b and d have eroded away,what is the boundary between b and d called -
## Science

When are tides in the earth's oceans the highest -
## Science

Two ofthe inner planets ____? -
## Chemistry

"How many grams of the precipitate will form if 25.5 mL of 4.5 M solution of lead (II) nitrate is allowed to react with 35.5 mL of 3.0 M solution of potassium chloride? What is the concentration of the excess reactant after the reaction has reached -
## Geometry

Find the distance CD rounded to the nearest tenth. C=(7,-4) D=(-8,-5) CD=? -
## chemisry

What is the correct way to find an equilibrium constant for the dissolution of a specific chemical at various temperatures? -
## L.A.

Why should you avoid writing about too many events in a personal narrative? A.to avoid overwhelming the reader with too much info. B.to help you, the writer, stay on topic. C.to allow your self, the writer, room to add many details and descriptions. D. all -
## Math

How to solve 13.28 divided by 3 -
## Solid Mensuration

A closed cylindrical container 10 feet in height and 4 feet in diameter contains water with depth of 3 feet and 5 inches. What would be the level of the water when the tank is lying in horizontal position? -
## algebra

How can you represent the terms of a sequence explicitly? How can you represent them recursively? -
## Maths

The probability that I have to wait at the traffic lights on my way to school is 0.45. Find the probability that on 3 consecutive mornings I have to wait: A) Once B) Twice -
## Physics

A penguin has a mass of 13 kg. The penguin slides over the ice for a distance of 50.7 m in 1.7 s before coming to a complete stop. The penguin uniformly accelerates during the entire time period. What is the net force exerted on the penguin? -
## Elementary Math

The question stated: Write a numerator that makes the statement true. 1/2< /10 < 4/5 My answer is 7/10 am I correct< If not please explain. Thanks -
## computer

You are having problems on your Windows 7 computer and you pull up Device Manager to see if there are any alerts. Two of your devices have yellow exclamation points over them. What does this most likely indicate? A. A missing driver B. A disabled device C. -
## math

If a polynomial equation p(x)=0 has 3+4i as a solution 3-i 4-3i 4+3i 3-4i -
## math

How are the real solutions of a quadratic equation related to the graph of the quadratic function? -
## math

How are the real solutions of a quadratic equation related to the graph of the quadratic function? -
## algebra 2

A landscaper is designing a flower garden in the shape of a trapezoid. She wants the shorter base to be 3 yards greater than the height and the longer base to be 7 yards greater than the height. She wants the area to be 295 square yards. The situation is -
## algebra 2

How does writing equivalent equations help you solve a system of equations? -
## algebra 2

How can you model data with a linear function? can i have example to please -
## algebra 2

How can you model data with a linear function? -
## Math

Explain how knowing that 5 divided by 8 = 0.625 helps you the decimal for 4 5/8. -
## check my work

8. Which of the following is a successful result of the Reconstruction? (1 point) states could limit voting rights in elections more African Americans could go to school segregation kept the races apart or separate sharecropping helped poor blacks own land -
## u.s. history

11. Explain two ways in which sectionalism caused conflict or tension in the United States during the early 1800s. Then explain how sectionalism affects economics and politics in the United States today. (10 points) -
## u.s. history

Use the quote below to answer the following question. “[T]hese Powers . . . are so distributed among the Legislative, Executive, and Judicial Branches, into which the general Government is arranged, that it can never be in danger of degenerating into a -
## u.s. history

Why does George Washington support the Constitution? To what does “a Constitutional door is left open” refer? -
## statistics

Consider the events of drawing an ace, then draw another ace, followed by a queen, one at a time without replacement (from a standard deck of cards). What is the probability of drawing an ace, then another ace, then a queen? please show explanation -
## math

how do I write 6 2/3 + 3 4/5 to its simpliest form. This is how I did it. Could someone tell me if its write?. Or give me the proper steps to doing this? 6 2/3 + 3 4/5 = 20/15 + 19/15= 39/15= 2 9/15 = 2 3/5 -
## Chemistry

What is the empirical formula for a molecule containing 52.20 grams manganese (Mn0 and 3.80 grams of Carbon (c)? -
## science

Fan can accelerate from the starting blocks to running 11 m/s down the track in 5 seconds. What is her acceleration? -
## math

My digits are 6,0, and 5. I'm not divisible by 5. What number am I -
## Statistics

A Today/CNN/Gallup Poll of 1015 adults found that 13% approved of the job Congress was doing in 1995. Find the 95% confidence interval of the true proportion of adults who feel this way. -
## chemistry to MathMate

Chemistry - CJ, Tuesday, March 31, 2015 at 10:53pm I am experiencing a major block.... I can't say.... 1micrometer= 1000nm 5micrometer= x..... because I'll get back the same thing So please help me, tell me the answer please. -
## Chemistry

Chemistry - MathMate, Tuesday, March 31, 2015 at 2:56pm 1m = 1000 mm (millimeter) 1 mm = 1000 μm (micrometer) 1 μ = 1000 nm (nanometer) If the tube is 1 nm in diameter, then veryify that 5 μm = 5*1000 nm = 5000 nm = how many diameters? Chemistry - -
## Chemistry

Nanotubes are rolled up cylinders of graphite with diameters of about 1nanometer, and lengths in micrometers. (I) If a nanotube is 5 micrometers long, how many diameters does this represent? -
## Geometry

an architect designs a rectangular window such that the width of the window is 40 com less than the height. If the perimeter of the window is 500 cm, what are the widths and heights? -
## math

Two coworkers picked up some writing instruments at the office supply store. Shane selected 3boxes of pencils and 1box of pens, paying $8. Terrell spent $6 on 1box of pencils and 1box of pens. What's the equation for shanes total cost? Equation for Terrell -
## Math

Since 2007, a particular fund returned 13.8% compounded monthly. How much would a $4000 investment in this fund have been worth after 4 years? -
## Math

When a number is a multiple of 6, what are the possible values for the ones digit? -
## math

If X = 4 units, Y = 11 units, and Z = 6 units, then what is the volume of the rectangular prism shown above -
## math

Bianca has a total of 25 cent. She has some nickels and pennies. How many different combinations of nickels and pennies could Bianca have? -
## math

Ms. Hernandez has 17 tomato plants that she wants to plant in rows. She will put 2 plants in some rows and 1 plant in the others. How many different ways can she plant the tomato plants? -
## Chemistry

Is there a reaction between Sodium Acetate and Copper (II) Nitrate. If so, what is the balanced equation for it? Also, what type of reaction is it does it form a precipitate? -
## Chemistry

The synthesis of zinc iodide was performed using 1.8912g of zinc and 1.5965g of iodine. Determine the limiting reactant and calculate the theoretical yield of zinc iodide in grams. -
## Chemistry

Aluminum oxide is formed by reaction of excess oxygen with aluminum. 4 Al(s) + 3 O2(g) -> 2 Al2O3(s) Calculate the mass of aluminum required to form 18.2 kg of aluminum oxide if the reaction has a percent yield of 83.4%. -
## Chemistry

Silver chromate may be prepared by the following reaction. 2 AgNO3(aq) + K2CrO4(aq) Ag2CrO4(s) + 2 KNO3(aq) Calculate the mass of silver chromate produced when 0.623 L of 1.345 M silver nitrate is reacted with 245 mL of 1.89 M potassium chromate. -
## Chemistry

An aqueous solution of barium nitrate has a density of 1.09 g/cm3. The solution is 18.7% barium nitrate by mass. How many nitrate ions are present in 87.6 dL of this solution? -
## coor. algebra

Okayy so my class is doing conversions annnd.I need help ALOT. 130 meters per second into miles per hour . If you answer can you show me how you got the answer and how to know of the answer is right? -
## math

find the sum of 3/6+4/10+3/30 and reduce to lowest term -
## Physical Science

Describe convection in a room heated by a radiator. -
## physics

A first capacitor is initially connected to potential source ?. The charged capacitor is then removed from the source and connected to a second initially uncharged capacitor. Determine the final potential across the first capacitor long after the switch is -
## Chemistry AP

What are the concentrations of benzoic acid and sodium benzoate in a solution that is buffered with a pH of 4.55 and has a freezing point of -2.0 degrees Celsius? (assume complete dissociation and a density of 1.01g/mL for the solution.) -
## US History

Do the philosophies of laissez-faire and survival of the fittest explain why John D. Rockefeller succeeded in Cleveland, and was his success good for the oil industry and the American consumer? Any information would be greatly appreciated, please and thank -
## Physical Science

1. Which equation correctly shows beta decay? (A) 210/82 Pb -> 209/81 Tl + 0/-1 e + y (B) 210/82 Pb -> 209/83 Bi + 0/-1 e + y (C) 210/82 Pb -> 210/83 Tl + 0/-1 e + y (D) 210/82 Pb -> 210/83 Bi + y (E) 210/82 Pb -> 210/83 Bi + 0/-1 e + y 2. The half-life if -
## math

an average sized female spider and a large spider can lay a total of 2100 eggs at one time . The large spider lays 20 times the number of eggs as the average spider. How many eggs does the average spzied spider lay? -
## Physical Science

17. Why can't carbon-14 be used to determine the age of fossils that are several hundred thousand years old? Please and thank you! -
## Algebra 1

4. Two consultants were hired by a company. The total consultant fees were $18,500. If one consultant had earned $500 less, each consultant would have been paid the same. How much was each consultant paid? 6. Five cars in a race all finished within 8 -
## Physical Science

20. Why is ethanol added to gasoline? Can't find this answer in my book, and I've gone back and checked for it like three times. Please and thank you! -
## US History

Which of the following statements about the Platt Amendment is true? A - It guaranteed that Cuba would be independent by 1915. B - It prevented the United States from intervening in Cuban foreign affairs. C - It essentially made Cuba a U.S. protectorate. D -
## World History

Even though Robespierre was not a defender of women's equality in France, how are his and Etta Pal d'Aelders's arguments similar? When might Sieyes claim that women would be eligible for the equal rights that Etta Palm d'Aelders states that they rightfully -
## Physical Science

5. What reactions occurs when a solution of hydrochloric acid, HCl, is mixed with a solution of calcium hydroxide, Ca(OH)2? (A) Cl + Ca(OH) --> HCa + Cl(OH)2 (B) HCl + Ca(OH)2 --> H(OH)2 + CaCl (C) 2HCl + Ca(OH)2 --> 2H2O + CaCl2 (D) 2HCl + Ca(OH)2 --> -
## chemistry

Calculate the amount of heat required to completely sublime 76.0g of solid dry ice (CO2) at its sublimation temperature. The heat of sublimation for carbon dioxide is 32.3 kJ/mol. -
## physics

One end of a meter stick is pinned to a table, so the stick can rotate freely in a plane parallel to the tabletop. Two forces, both parallel to the tabletop, are applied to the stick in such a way that the net torque is zero. The first force has a -
## Science Help

mass = 4.5 kg Compare and contrast the mass and weight of this bowling ball on Earth and the moon. -
## Finance

The most recent financial statements for Retro Machine, Inc., follow. Sales for 2010 are projected to grow by 20 percent. Interest expense will remain constant; the tax rate and the dividend payout rate will also remain constant. Costs, other expenses, -
## Math

If someone is renting a truck that has a 40 gallon tank and it gets 10 miles per gallon and they are traveling 252 miles, what will they pay for gas for the trip? -
## st joseph school

when a traffic light turns green, a car accelerates at a constant rate, the decelerates in the same manner to stop at the next traffic light. The speed of the car, s, is given by the equation, s=-10 /t-8/ + 80 where t is time. Find the time , t, it takes -
## Math

24 m of fencing are available to enclose a play area. what would the maximum area be if the fencing only went on 3 sides because the wall is used as the 4th side. Please show you work -
## Econ

If the federal government enacts a tax on a monopoly, how would you expect the additional tax to affect the following: a. Profits of the monopoly b. Output produced by the monopoly c. Prices charged by the monopoly -
## programming (using raptor)

Create a program that determine the shipping cost for an order based on the following table: From $0.00 $20.00 $50.00 $75.00 To $19.99 $49.99 $79.99 $1000.00 Price $2.95 $3.95 $4.95 Free -
## math

what two simpler problems can you use to find 9x38 -
## Math

four times one number minus a second is 11, and the sum of the numbers is 14. Find the numbers. -
## Math

1)one number is four more than a second number. Twice the second is three more than the first. Find the numbers. 2)four times one number minus a second is 11, and the sum of the numbers is 14. Find the numbers. -
## AP Chemistry

In the reaction below, 16 g of H2S with excess O2 produced 8 g of sulfur. ? H2S + ? O2 → ? S + ? H2O . What is the percent yield of sulfur? Answer in units of % -
## AP Chemistry

For the reaction ? ZnS + ? O2 →? ZnO+? SO2 , what is the maximum amount of ZnO which could be formed from 14.06 g of ZnS and 5.56 mol of O2? Answer in units of g -
## AP Chemistry

Sulfuric acid (H2SO4) is prepared commercially from elemental sulfur using the contact process. In a typical sequence of reactions, the sulfur is ﬁrst burned: S + O2 → SO2 , then it is converted to SO3 using a catalyst: 2 SO2 + O2 → 2 SO3 . The -
## math

jane have 4 nickels, 6 pennies, 4 dimes, and 2 quarters. she picks a coin at random. what is the probability that she will pick a nickel or a dime/ -
## math

how do you write one third the volume of the pool as an expression -
## english

Would Steven Spielberg be a good speaker for a school assembly? Write a letter convincing your principal that Steven Spielberg would or would not be a good speaker for an assembly at your school. Use information from the passage to support your argument. -
## geometry

the sum of the measures of two acute angles is 110 degree.the suplement of the smaller anngle is 15 times the complement of the larger angle.what are the measures of the two angle? -
## geometry

the sum of the measures of an obtuse angle and acute angle is 12 degrees.the complement of the acute angle and one-half the suplement of the obtuse angle is 75 degree.find the measures of the two angles. -
## art

1. In Judith Leyster’s paintings she used contrast. What is contrast? 2.Looking at van Gogh’s painting “The Olive Tree”: What season of the year do you think the colors suggest? Question 3. One of Pablo Picasso’s styles was cubism. What does -
## math

Jeff wants to start a lawn maintenance service to earn money for college. He wants to charge $25 for a small lawn and $35 for a large one. It takes him an average of 2 hours to mow and trim a small lawn and 3 hours to do a large one. He wants to make at -
## Math

Brett wants to use 40 feet of twine to mark off a rectangular area in his yard for a garden. What are the length and width for a garden with the greatest area? -
## english essays

Need help to proofread essay... -
## Geometry

If the length of the sides of two similar triangles are in the ratio 3:4, what is the ratio of the lengths of a pair of corresponding altitudes? What is the ratio of their perimeter? -
## english

can some one help me -
## english

What is the gerund phrase and noun function of the gerund in these sentences: 1.Brett earns his income by repairing cars. 2.I enjoy playing the piano. 3.Her favorite pastime is entertaining friends. 4.She is successful in mimicking others' voices. 5.He -
## POS2041

Why are government policies on immigration so controversial? -
## calculus

I was doing calc hw and I am stuck on a part of a question. =(1/10)-(x/15sqrt(x^2-9)) I am supposed to put this equation equal to 0 and solve for x. The answer is 9/sqrt(5) but I don't understand how the answer comes out to be 9/sqrt(5). Please help. Thank -
## chemistry

In formula for where ferenheit and celsius converge (T = T x 9/5 +32); what is the logic that T x 9/5 = T + T = 4/5? -
## geometry

Gerrad is a painter. he is using a canvas that is in the shape of a regular hexagon. The perimeter of the canvas is 78 in. The perpendicular distance from a side to the center is 11 in. to the nearest inch. Based on these measurements, what is area of the -
## algebra

find the average rate of change from (2,1) to (8,5) for f(x)=(4x^(2)-2x)/(6x)