# Posts by kimmy

Total # Posts: 215

Algebra
Case facts: Y=326.2x - 241.6 What is the standard form of the linear model? The answer is: 1631x-5y= 1208 Please explain step by step how this is the answer.•Algebra - Steve, Wednesday, March 2, 2016 at 7:09pm man, there are only about two steps: y = 326.2x - 241.6 ...

Algebra
How did you know to multiple by 5?

Algebra
Case facts: Y=326.2x- 241.6 What is the standard form of the linear model? The answer is: 1631x-5y= 1208 Please explain step by step how this is the answer.

life orientation
Stop hitting them

Intro to Chemistry
2 Na + 2 H20 --> 2 NaOH + H2 is this the balanced equation? and How do I find calulate the % yield of the products?

Intro to Chemistry
Balanced Equation C3H8 + 5 02-->3 CO2+ 4H20 Calculate the % yield of the products. How do I do this?

Algebra
Determine the explicit formula for each arithmetic. The 9th and 10th yerm of an arithmetic sequence are -24 and -30 respectively. What is the 30th term?

Algebra- Linear Functions and Equations
Thank you!

Algebra- Linear Functions and Equations
Greg is considering a text message plan that advertises: "A one-time joining fee of \$3.00 and \$0.08 per message." 1. Write an explicit formula for the text messaging plan. 2.Greg knows he sends and receives about 1800 texts per messages per month. Use an example and ...

Intro to Chem
24.3 g of magnesium yield 40.3 g MgO upon combustion with oxygen. How much magnesium needs to be burned to yield 12.1 g MgO? Please help! I can't figure this out. Little guidance here!

Algebra
What would x have to be to give you a slope of zero,given the points: (4,x) and (3,9)?

Algebra
The table shows the amount of time spent at a park and the admission fee the park charges. Find the rate of charge in the fee with respect to time spent at the park and interpret its meaning. x= time hours 4 5 6 y= admission fees \$34.99 \$34.99 \$34.99

Algebra
Find the value of x so that the line passes through the points (2,3) and (x,9) and has a slope of 3/2.

investment
AviBank Plastics generated an EPS of \$2.75 over the last 12 months. The company’s earnings are expected to grow by 25% next year, and because there will be no significant change in the number of shares outstanding, EPS should grow at about the same rate. You feel the ...

investment
2 Consolidated Software doesn’t currently pay any dividends but is expected to start doing so in 4 years. That is, Consolidated will go 3 more years without paying any dividends, and then is expected to pay its first dividend (of \$3 per share) in the fourth year. Once the...

investment
Valuation using the DVM: Intrinsic value  1 0 D D (1 ) g kg kg     Buggies-Are-Us: Intrinsic value  \$2.25(1 + 0) \$22.50 0.10 0.06   Steady Freddie, Inc.: Intrinsic value  \$2.25(1 0.06) \$2.385 \$59.63 0.10 0...

Trigonometry
find the value for the indicated trig function for ø, if ø is an angle in standard position with the terminal side defined by the given point. (18,24); find cos ø

Math
*** Explain why 3.14 is used when finding the circumference of circles.

Math
The rim of the basket has a radius of 9 inches. What is the approximate circumference of the basket? Use pi equals 3.14. Explain why 3.14 is used when finding the circumference of a circles.

chemistry
how many ml of nitric acid will neutrilize 20 ml of KOH at .5 moles

chemistry
Find the mass in grams of a 240 ml sample of dry air at a pressure of 750 mmHg and a temperature of 19 degrees celsius.

solid mensuration
301.6 in^2

MATH
multiply (-3-m)(3+m)

MATH
multiply 8(m-n+8)

Physics
A mass of 9.8 kg is moving in the positive x direction at 16.6 m/s and collides in a perfectly elastic, head on collision with a mass of 12.7 kg at rest. The same mass of 9.8 kg in the positive direction at 16.6 m/s also collides with the mass of 12.7 kg at rest in an ...

Physics
I am just so confused!

Physics
NASA, when it sends probes to other planets, uses what is known as a gravitational slingshot. This is when a probe uses the gravitational potential energy a planet to gain kinetic energy. Even though the probe and the planet are not physically colliding, one can treat this ...

algebra
How can you solve an equation or inequality in one variable?

Math Homework
Solve the inequality and express the answer in interval notation: 1.) 3x^2+2x>2x^2-3 2.) 4x^2-x<0

Physics
A mass of 14 kg is moving at a speed of 39 m/s at the bottom of incline which is inclined at an angle of 51.6 degrees. The incline has friction and the coefficient of kinetic friction is 0.6. The mass travels up the incline and stops due to both gravity and friction and then ...

Science
Explain the following quote: ... it was several weeks before an emigrant from Earth could adapt to it. On the Moon the human body had to learn a whole set of reflexes. It had, for the first time, to distinguish between mass and weight. A man who weighed one hundred eighty ...

Physics
One object is thrown straight up at 54.9 m/s from the ground at the base of a building with is 157.9 meters tall. At the same time the object is thrown up at the bottom of the building, another object is thrown straight down at the top of the building. If both objects are to ...

physics
A car drives 55 km east in a time of 1.6 hours and then drives west some distance. However, the total distance traveled for the entire trip is 338 km and the total time taken for the entire trip is 2.6 hours. What is the average speed of the second part of the trip (when ...

Physics
Suppose someone invents completely new units where 1 zig = 0.18 zags and 1 zoyear = 0.4 years (typical years, as in 365 days). Convert 585 zag/zoyear to zig/hour.

Physics
Suppose someone invents completely new units where 1 zig = 0.18 zags and 1 zoyear = 0.4 years (typical years, as in 365 days). Convert 585 zag/zoyear to zig/hour.

Physics
Suppose gold bars are made such that they are cubic. If they are made cubic, then there volume is given by V = L3, where L is the length of a side of the bar. The price of any gold bar is directly proportional to its volume, so the price of the gold is P = c V, where c is some...

math
first im sorry I wrote the problem wrong and the problem is 4 1/2 minus 3 5/6 and my second problem is 9 minus 3 7/8?i don't understand even with the problem they showed which is..6 1/3 minus 1 2/5,that ended up being 6 5/15 minus 1 6/15,they crossed out the first 6 and ...

math

math
please,please help!im doing subtraction with renaming but don't understand.I have to estimate,then find the difference and write in simplest form.I just need help with two and may be able to do the rest on my own.6 and 1/3 minus 3 and 5/6 is the first one and 9 minus 3 and...

Physics
A 298.0 kg block of ice at 0 C is placed in a large lake. The temperature of the lake is just slightly higher than 0 C, and the ice melts. What is the entropy change of the ice (in kJ/K)? What is the entropy change of the lake (in kJ/K)? What is the entropy change of the "...

Physics
Consider hydrogen gas, H2, at 24.3°C. What percentage of hydrogen molecules have a speed within 1.00 m/s of the most probable speed?

Physics
The internal energy of a gas is 585 J. The gas is compressed adiabatically, and its volume decreases by 137 cm3. If the pressure applied on the gas during compression is 2.65 atm, what is the internal energy of the gas after the adiabatic compression?

Physics
The internal energy of a gas is 585 J. The gas is compressed adiabatically, and its volume decreases by 137 cm3. If the pressure applied on the gas during compression is 2.65 atm, what is the internal energy of the gas after the adiabatic compression?

Physics
Thank you SO much!!!

Physics
On planet X, the alien residents use a temperature scale in which they define 0 degrees X to be the melting point of nitrogen and 100 degrees X to be the boiling point of nitrogen. What temperature difference in X degrees does a temperature change of 1 C degree correspond to? ...

College Physics
A wooden bridge crossing a canyon consists of a plank with length density λ = 2.25 kg/m suspended at h = 10.89 m below a tree branch by two ropes of length L = 2h and with a maximum rated tension of 2000 N, which are attached to the ends of the plank, as shown in the ...

College Physics
A uniform rod of mass M = 437.0 g and length L = 37.1 cm stands vertically on a horizontal table. It is released from rest to fall. A)Which of the following forces are acting on the rod? B)Calculate the angular speed of the rod as it makes an angle θ = 45° with ...

College Physics
A force, F = (2x + 3y) N, is applied to an object at a point whose position vector with respect to the pivot point is r = (5x + 4y + 2z) m. Calculate the torque (in units on Nm) created by the force about that pivot point.

College Physics
A Major League fastball is thrown at 92.1 mph and with a spin rate of 103 rpm. If the distance between the pitcher's point of release and the catcher's glove is exactly 61.4 ft, how many full turns does the ball make between release and catch? Neglect any effect of ...

Algebra
Slope is rise over run, so plot a point at (-5, -5) and go up 2, over to the right 3. Then from (-5, -5) go down 2 and left 3

math 9
You are welcome!

math 9
All you do to check x is to take the y answer and plug it into the top equation and solve for x

math 9
It's C. You solve the bottom equation for x, then you plug that into where the x is on the top equation. 3(1-5y)-2y=6 Solve for y, and then for x

College Physics
A 27.7-cm-by-27.7-cm checkerboard has a mass of 103.1 g. There are four 27.7-g checkers located on the checkerboard, as shown in the figure. Relative to the origin located at the bottom left corner of the checkerboard, where is the center of mass of the checkerboard-checkers ...

College Physics
A fire hose 4.79 cm in diameter is capable of spraying water at a velocity of 17.1 m/s. For a continuous horizontal flow of water, what horizontal force should a fireman exert on the hose to keep it stationary?

College Chem
thank you!!

College Chem
Oxygen gas has a Henry's law constant of 1.66*10^-6 M/mm Hg at 40 degree C when dissolving in water. If the total pressure of gass (O2 gas plus water vapor) over water is 1.0 atm, what is the concentration of O2 in the water in grams per milliliter? Pressure of the water ...

College Physics
Tarzan swings on a vine from a cliff to rescue Jane, who is standing on the ground surrounded by snakes. His plan is to push off the cliff, grab Jane at the lowest point of his swing, and carry them both to the safety of a nearby tree (see figure). Tarzan's mass is 76.1 kg...

College Physics
Although they don’t have mass, photons—traveling at the speed of light—have momentum. Space travel experts have thought of capitalizing on this fact by constructing solar sails—large sheets of material that would work by reflecting photons. Since the ...

College Physics
Thank you soooo much!!!

College Physics
The electron-volt, eV, is a unit of energy (1eV = 1.602 ·10–19 J, 1 MeV = 1.602 ·10–13 J). Since the unit of momentum is an energy unit divided by a velocity unit, nuclear physicists usually specify momenta of nuclei in units of MeV/c, where c is the ...

what is a good online dictionary ?
I have to do vocabulary for my social studies teacher but not all of the words are in the glossary of the text book

Math
How would you solve these compound inequalities? 1. -1<4x-3<5 2. 3a-5<=-2 OR 3a-5>=13 3. -y-2>6 OR 4y+8<=20 4. 3<=-2x+1<=9

Is there anything else because my cousin josh just stole that one and started writing his paragraph ?

I have a presentation due tomorrow on a connection that I made with the Anne Frank Remembered novel but I cant think of an item that I can connect to the novel.. I need help. It has to be one paragraph about the connection and it can be a song,poem,or object. Please help me !

Physics
I have tried the a = F/m, and it doesn't work. Also, the 2 top equations you wrote, I'm not too sure on how to use them.. I know the 53.9 km/hr is 14.97 m/s

Physics
A train has a mass of 5.27E+6 kg and is moving at 53.9 km/hr. The engineer applies the brakes, which results in a net backward force of 1.30E+6 N on the train. The brakes are held on for 25.6 s. What is the new speed of the train? How far does it travel during this period?

pre algebra
how many ways can you make 45 cents with pennies ,dimes, nickels, and quarters?

Math/algebra
The base of the skateboard ramp has an area of 2.3 m square meters the height of the ramp is 1.2 m find the volume of the rectangular prism?

edu
a major goal of any curriculum is to enable children to become a.divergent thinkers b.mature adults c. self- focused d.humanists I think a am i correct

trigonometry
Calculate the perimeter of the inscribed square given that the radius of the circle is 3 feet.

Chemistry
Do I add all of the q's to get the final answer? Also, the problem does not give the "specific heat" or "mass" of steam. It only gives heat capacity of steam and water.

Chemistry
18.0 g of liquid water is initially at 0 C. How much heat, in kJ, must be added to transform this into 18.0 g of steam at 200 C? The heat capacity of liquid water is 75.3 J/mol C. The heat capacity of steam is 37.4 J/mol C. The heat of vaporization is 40.65 kJ/mol.

Math
Long division,multiplying fractions and dividing them,multiplying large numbers with fractions,adding and subtracting fractions and MORE!

Chemistry
If 27.0 mL of Ca(OH)2 with an unknown concentration is neutralized by 32.40 mL of 0.185 M HCl, what is the concentration of the Ca(OH)2 solution?

Life orientation
I would think that alcohol abuse would b an appropriate answer

Psychology
1. One of the addictive aspects of alcohol can be found in the difference between actual effects and perceived effects. Although alcohol is a depressant, many claim that it: (a)causes intoxication. (b)results is slurred speech. (c)produces feelings of happiness. (d)reduces ...

Chemistry
what is the sp hybrid orbitals for carbon molecules in CH3-C=C-CH2OH?

physic
A copper sheet of thickness 2.49 mm is bonded to a steel sheet of thickness 1.51 mm. The outside surface of the copper sheet is held at a temperature of 100.0°C and the steel sheet at 24.1°C.

spider plants,tulips,and potatoes can grow seeds.how are their otherways of ruducing alike?

327,676

math
Karla borrowed \$750 at 12 percent for one year. She paid a \$20 processing fee. The interest paid will be \$95.00, \$92.50, or \$90.00 Thus, the total finance charge (the interest plus the processing fee) will be? \$115.00, \$112.50, or \$110.00 ? Therefore, to the nearest tenth, the...

physics
A Box (15.0 kg) is pulled up a 37 degree ramp with a force of 295 N. The frictional force acting on the block is 56.0 N. If Box travels 12.0 m up the ramp, determine the change in Box’s PEgrav.

physics
The speed limit in a school zone is 40.0 km/hr. A driver traveling at this speed sees a child run into the road 14 m ahead of the car. The driver applies the brakes and the car slows at a uniform rate of 8.3 m/s^2. If the driver's reaction time is 0.27 sec, what distance ...

english
Legal systems are flawed-that is, they have problems. What are some problems with 1935 Alabama laws and courtroom prcedures?

algebra 2
The are of a square can be represented by the polynomial 4x^2-16x+16. Find the length of a side of the square in terms of x.

math
ernesto spent a total of 64\$ for a pair of jeans and a shirt. the jeans cost 6\$ more than the shirt. how much did the jeans cost?

Social Studies
D. because they accountable to the public

Social Studies
Interest groups are accountable to a. other interest groups. b. their members. c. the voters. d. or both b and c.

English
Question on "Brave New World": What does this quote mean--"Was and will make me ill. I take a gramme and only am." Thanks for your help!

What are the consequences of illegality in realtion to contract law?

Physics
a girl touches a Van de graff generator and slowly moves away from the dome why when moving back to touch it again she recives a strong shock why ?

Physics
Touching a Van de graff generator and slowly moves away from the dome why he touches it again he recives a stron shock why ?

English
Would the real monster in Mary Shelley's Frankenstein be Victor Frankenstein because he just leaves the monster to care for himself and wants nothing to do with it? or someone else?

English
Who does the monster care about in Mary Shelley's "Frankenstein"?

Social Studies
What factor determines the location of each voters polling place?

Social Studies
Why should votes participate in the primary process?

Social Studies
Since political parties are not mentioned in the Constitution, why did they develop se quickly in the new nation?

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