# Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this. 2x + 10y = 58 -14x + 8y = 140

91,718 questions, page 673-
## Calculus

Two cars leave an intersection at the same time. Car X is travelling East at 50 km/hr and Car Y is travelling South at 60 km/hr. Find the rate at which the cars are separating after 30 minutes. I want its complete solution

*asked by ChrismB on April 26, 2016* -
## Chemistry/ Physical Chemistry

Napthalene is dissolved in a liquid with which it forms an ideal solution at 25C. The normal boiling point of napthalene is 80.2 C and ^fusH for napthalene is 19.0 KJ/mol. Determine the solublity of napthalene in this liquid at 25 C.

*asked by Monquie on November 19, 2006* -
## solid mensuration

Two perpendicular chords divide a circle with a radius of 13 cm into 4 parts. If the perpendicular distances of both chords are 5 cm each from the center of the circle, find the area of the smallest part. Please include solution. Thanks.

*asked by Cathy on December 1, 2012* -
## Chemistry

The solubility of acetanilide in your recrystallizing solvent is 5.0 mg per mL at 10 degrees Celsius. Calculate the maximum percent recovery in this experiment, assuming a 15.0 mL recrystallizing solution is filtered at 10 degrees Celsius.

*asked by Anonymous on September 24, 2014* -
## Chemistry

compute volume and/ or weights of reagents to make the following solution. Desired concentration: 40% NaOH + 4% Na2S2O3 Desired quantity: 1500 mL Given: 90% w/w NaOH, pure Na2S2O3 I'm not sure how to do this so any help would be great. Thanks!

*asked by Alan on September 17, 2007* -
## chem

Calculate the pH of the solution that results from mixing the following four aqueous solutions together: (1.) 100. mL of 0.300 M HI (2.) 200. mL of 0.250 M LiCl (3.) 300. mL of 0.200 M KOH and (4.) 150. mL of 0.150 M HBr a. ) 2.00 b. ) 3.99 c. ) 5.32 d. )

*asked by Anonymous on March 7, 2009* -
## College Chemistry

given the concentration of 125.0mg/L of Fe(2+)in the stock solution and the volume used which is (1.00mL) how do i calculate the concentration of iron(II) ions in mg/L? i pipet 1.00mL of the stock into a 250ml volumetric flask!

*asked by Anonymous on July 12, 2012* -
## Chemistry 3A

calculate the mass of solid NaCl that must be added to 1.50L of a 0.100M AgNO3 solution to precipitate all the Ag+ ions in the form of AgCl. calculate the mass of AgCl formed.

*asked by Gurjot on December 10, 2012* -
## Math

In a candy shop, the shopkeeper allows the exchange of 3 sweet rappers for 1 new sweet. John has 81 sweets at first. What is the largest possible number of sweets that john could have eaten? (with solution pls... tnx...)

*asked by HELP HELP HELP MNHS on February 3, 2013* -
## Chemistry

In a particular redox reaction, MnO2 is oxidized to MnO4– and Cu2 is reduced to Cu . Complete and balance the equation for this reaction in acidic solution. Phases are optional. MnO2 + Cu^2+ ---> MnO4^- + Cu^+

*asked by BOB on May 4, 2014* -
## Chemistry

A hospital glucose solution is analyzed to verify its concentration. A 10.0 mL sample with a mass of 10.886 is evaporated to dryness. If the solid glucose residue has a mass of 0.648, what is the m/m% concentration?

*asked by Linzy on April 8, 2013* -
## Biochemistry

Calculate the pH of a mixture of one mole of benzoic acid and two mole of sodium benzoate dissolved in 1 L of solution. The pKa of benzoic acid is 4.2. What is the final molar concentration of the buffer?

*asked by Shalette on February 12, 2017* -
## Chemistry

An aqueous solution of a compound with a very high molar mass was prepared in a concentration of 82.7 g·L-1 at 25 °C. Its osmotic pressure was 0.540 ·102 Pa. Calculate the molar mass of the compound. Cheers

*asked by David on April 28, 2010* -
## chem

How many grams of CH3COOH are needed to make 4.2 liters of aqueous solution of pH=3.4?Be sure to back correct from equilibrium molecular acid molarity to starting molecular acid molarity.

*asked by meg on October 6, 2010* -
## Chemistry 20

Determine the amount concentration of the iron ions and sulfate ions in a 0.620 mol/L solution of iron(III) sulfate. Including the balanced chemical equation.

*asked by Anonymous on November 15, 2010* -
## Chemistry

A copper coil is placed in a solution of silver nitrate, the reaction proceeds and in time silver crystals form and the colution of copper nitrate is produced. What is the complete raction .

*asked by June on June 6, 2011* -
## chemistry

A drop of starch is added to a mixture of 97.30 ml of 0.1096 M I2 and 97.20 ml of 0.1098 M Na2S2O3. I've already calculated the moles of I2 to be 10.66408 moles and the moles of Na2S2O3 to be 10.67256. Will the solution be blue even if their moles aren't

*asked by jean on February 5, 2009* -
## Chemistry

Can somebody pls help me with this? For the equation below find the net balanced equation: Ag + NO3- --> Ag+ + NO (Note: This reaction takes place in an acidic solution.) This is what I got: 3Ag + NO3- + 4H+ --> 3Ag+ + NO + 2H2O right

*asked by Lisa on February 5, 2007* -
## Chemistry

The titration reaction of a solution containing 1.00 g mixture of Na2CO3 and K2CO3 with HCl shows that there are 8.50x10^-3 moles of C03-2. Find the weight percent of Na2CO3 and K2CO3 in the mixture. Please Help!!

*asked by Magaly on December 7, 2014* -
## physics

You launch a model rocket up into the sky. Right after launch the rocket is accelerating upwards at 10 m/s^2. What is the magnitude of the net force in Newtons on the rocket if the rocket has a mass of 0.1 kg? Please give your answer with solution .

*asked by anonymous on June 24, 2013* -
## chemistry

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

*asked by lovemore on April 2, 2012* -
## algebra

What is a reasonable domain and range for this scenario? Water is added to a 30 milliliter solution that is 50% acid. The equation A(X)=15/30+x respresents the concentration of acid,A, in the mixture as x amount of water is added

*asked by jjj on April 6, 2011* -
## Physics

A motorist travels 160km at 80km/hr and 160km at 100km/hr. What is the average speed of the motorist for this trip? I need the step by step solution because I didn't listen to ny teacher properly

*asked by Michael Lawrence Dureza on November 14, 2015* -
## CHEMISTRY

pka of xanthine monophosphate is 5.5. a certain experiment can detect all forms of solute molecule present in solution at greater then 10% of total solute concentration. at pH 7, the experiment will detect presence of?

*asked by VARSHA on October 30, 2014* -
## Chemistry

How do I find the answer to this?? Cu metal displaces Ag+(aq) from an aqueous solution. Which of the following is correct? Ag is easier to oxidize than Cu Ag is a better reducing agent than Cu Cu2+ is a better oxidizing agent than Ag+ Ag+ is easier to

*asked by Clueless on January 18, 2018* -
## math

Given that sinx = cos(x+20o) write tanx in terms of sin20o and cos 20o. a) Hence find the values of tan x. b) Find the general solution of 3sec2y=5(1+tany)

*asked by sue on May 24, 2016* -
## Chemisrty

what is the molality of a 0.075m of ethyl alcohol in water at 25 degrees celcius. Assume the density of the solution at such low concentration is equal to that of water at 25 degrees celcius, 0.997g/ml

*asked by Kate on February 13, 2011* -
## university chemistry

many cola soft drinks contain caffeine and benzoic acid (pKa 4.2), explain how you would isolate separately pure caffeine and benzoic acid from an aqueous solution containing both compounds

*asked by angela on March 12, 2013* -
## Math

1. Lois is making applesauce. Each batch she makes yields 3.25 quarts of applesauce. Lois already has 1.5 quarts. She would like to have a total of 14.5 quarts before she is finished for the day. How many batches of applesauce does Lois need to make? First

*asked by Rose on January 10, 2018* -
## chemistry

using the following salts listed below, calculate the moles of acid and conjugate base needed to make 100 ml of 0.50 M, ph 6.5,6.7, and 6.8 phosphate buffer solution. (For H2PO4-, pka=6.64) Salt Molar mass, g/mol KH2PO4 136.09 NaH2PO4*H2O 137.99

*asked by alleyx3 on October 28, 2012* -
## biology

The plasma membrane: Tick the box next to the ONE answer you believe is TRUE. A. can generate action potentials in excitable cells B. may burst in hypertonic extracellular solution C. can contain carbohydrates which confer ion permeability. D. is made up

*asked by Lancer on November 8, 2010* -
## Physics

A rope of mass m uniformly distributed along it's length l can slide without friction on a horizontal table. At instant t=0 the hanging part of the rope has a length b, and the rope is held at rest. When it is left, the rope begins to slide. At instant t

*asked by Jessy on October 8, 2017* -
## Science

What is the distance an object travels per unit of time? It's called the speed Depends on the velocity (speed), if the speed is 10mph, then the object would travel 10 miles (distance) per hour (unit of time). I'm unsure what your answer is saying, because

*asked by Ginger on September 18, 2006* -
## physics

a person 0f mass m = 60 kg walks along the radius from the periphery to the center of a circular platform of moment of inertia= 200kgm square and radius r = 3m. the disk is a rotating frictionless with angular velocity= 0.3 rad\s.find the angular velocity

*asked by John on May 1, 2012* -
## College Chemistry

i measured out 2 different tared mass of TUMS sample. One is 0.1554g and the other 0.1546g. Then i did two titrations with the conclusion of one being 17.91mL of NaOH and the other 17.47mL my question is: "if you consumed two 1.00g tablets of TUMS, how

*asked by Anonymous on November 21, 2011* -
## Chemistry

Sodium cyanide, empirical formula NaCN, is a solid which melts at 564 degrees C to give a liquid that conducts electricity. it also dissolves in water to give a conducting solution. Use these properties to deduce the type of bonding that holds this

*asked by David on March 11, 2007* -
## Chemistry

What volume (in milliliters) of 0.170 M NaOH should be added to a 0.140 L solution of 0.021 M glycine hydrochloride (pKa1 = 2.350, pKa2 = 9.778) to adjust the pH to 2.84? I tried using the Henderson- Hasselbalch equation but I am confused about what to do

*asked by L on February 28, 2016* -
## Chemistry (Aqueous Solutions)

This one stumped me alot... Aqueous solutions of a compound did not form precipitates with Cl-, Br-, I-, SO4 2-, CO3 2-, PO4 3-, OH-, or S 2-. This highly water-soluble compound produced the foul-smelling gas H2S when the solution was acidified. This

*asked by Macey on April 5, 2010* -
## AP Chemistry

What mass of solid sodium formate (of MW 68.01) must be added to 130 mL of 0.63 mol/L formic acid (HCOOH) to make a buffer solution having a pH of 3.68? Ka = 0.00018 for HCOOH. Answer in units of g I tried converting the pH to H+ and using the

*asked by Helpmepls on January 16, 2018* -
## Pre-calc

prove the identity: (cosx)(tanx + sinx cotx)=sinx+cos(squared)x i need steps to show how i got the answer generally, it is a good idea to change all trig ratios to sines and cosines, and start with the more complicated-looking side. so.... LS =

*asked by Stacey on May 6, 2007* -
## Designing Specialty Areas

We show we value families when we do which of the following? A. Tell families that they hold their children's future in their hands, so it's crucial that they make sure their children complete their homework. B. Realize that families are too busy to be

*asked by Priscila on April 9, 2017* -
## Physics

Eris, the largest dwarf planet known in the Solar System, has a radius R = 1200 km and an acceleration due to gravity on its surface of magnitude g = 0.77 m/s2. (a) Use these numbers to calculate the escape speed from the surface of Eris. (b) If an object

*asked by James on June 29, 2012* -
## Physics

Could someone please help walk me through this problem I'm struggling with? Thanks in advance! A brick with mass m1=2.5 kg can move without friction on a horizontal plane. The brick is attached to a wall by an ideal spring with spring constant k=2300 N/m.

*asked by Jamie on November 29, 2016* -
## trig

how does this work? (Sin2x+cos2x+2sin²x)/(sinx+cosx) = (sinx+cosx

*asked by Tim on May 29, 2008* -
## Algebra

Janice can type in 30 min Bianca can type in 45 min how long if they work together

*asked by Anonymous on June 8, 2017* -
## Trigonometry

I need help with the inverse of si, cos, & tan. So far on one problem I've gotten sinX = 29/14 where do I go from here? I know you have to use cos^-1, but how? Can anyone work this one problem out for me to see how to do it? THANKS!

*asked by Ceci on February 5, 2011* -
## Calculus

f(x)=5+(6/x)+(7/x^2), find f'(x). I haven't done fractions without using the quotient rule im not so sure this would work with quotient rule what do i do?

*asked by John on April 29, 2008* -
## English

Which is grammatically correct? I'm not really sure how onomatopoeias work. 1. “Vroom!” the chainsaw took right off. 2. "Vroom!" The chainsaw took right off. 3. other?

*asked by Misca on September 16, 2007* -
## science

In the course of a short race a car does 50,000 j of work in 7s what is the power of the car during the race

*asked by angelo on December 17, 2014* -
## CHEM 114

I just want to know if it's possible for two reactants to be first order? I checked my work over and over and redid it and both of my reactants keep coming out to be first order

*asked by Aiyana on February 4, 2017* -
## math

the circumcenter of a triangle is equidistant from the three blank of the triangle? i have to find the blank work

*asked by help on May 20, 2009* -
## math

camilla worked 71 hours in july how many minutes did camilla work in july

*asked by amber on May 30, 2009* -
## science

in the course of a short race,a car does 50,000 J of work in 7 s. What is the power of the car during a race?

*asked by sophie on November 16, 2009* -
## math

in a class of 21 students, 1 out of every 3 students volunteer to work. What is the ratio of volunteers to non volunteers?

*asked by Geri on November 13, 2015* -
## Physics

Why is sin theta used in the torque formula while the work formula uses cosine theta?

*asked by Morgan on March 24, 2010* -
## Math

Camilla worked 71 hours in July. How many minutes did Camilla work in July?

*asked by Kassidy on August 8, 2016* -
## Physics

Consider the figure above consisting of three particles of mass m attached to a massless rod. Given an axis of rotation through point P, the rod rotates as shown in the figure. If the rod is released from rest in the horizontal position at t = 0.

*asked by Courtney on July 25, 2017* -
## Math

An equilateral triangle s divided into 4 congruent equilateral triangles. What method can be used to find the area of the larger equilaterl triangle give the area of one of the smaller triangles? F. Multiply the area of the larger equilateral triangle by 4

*asked by Danny on December 7, 2010* -
## please help me with my engineer project

I am working on an Engineer project about Digital clock I research my project on the Digital Clock, but i could not find any webcite that has the answer to these questions 1. What your part is and how it works? 2. Companies that make this kind of

*asked by shylo on November 28, 2007* -
## Psychology

Trace the memory system from stimuli into long-term memory. Discuss the features of each step and factors that enhance or impede information flow in each step of the process. Explain proactive and retroactive interference and how you might counteract their

*asked by Anonymous on June 1, 2008* -
## CHEM

A 0.552 g sample of ascorbic acid(Vitamin C) was dissolved in water to a total volume of 20.0 ml and titrated with 0.1103 M KOH. The equivalence point occurred at 28.42 ml. The pH of the solution at 10.0 ml of added base was 3.72. From this data, determine

*asked by Cooper on March 21, 2012* -
## Biology(Anatomy&Physiology)

1)Which group of organic molecules makes up your genetic code 2)A substance which tends to resist a change in the pH of a solution is called a 3)Which buffers is the most common in the body 4)Which of molecules is primarily made of CHON 5)Which is the

*asked by Stephanie on October 15, 2008* -
## chemistry

a 5.29 g sample of impure sodiun chloride was dissolved and dihuted to a total volume of 250 0 ml. If 25.0 mL of the sodium chloride solation required 28.5 ml, of 0 300 M AgNO3, solution to reach the equivalence point, using chromate indicator, what was

*asked by wallace on October 29, 2018* -
## business math

Salary Increase.you accept a new job with a starting salary of 34,800. you are told that you will receive an annual raise of at least 1,500. what is the maximum number of years you must work before your annual salary will 45,000

*asked by bibi on May 25, 2014* -
## Physics

1)The velocity of sound in air is 332 m/s. If the unit of length is km and the unit of time is hour, what is the value of velocity? m/s bobpursley said he would be happy to check my work but I don't know what they're looking for I thought they are looking

*asked by Jon on April 15, 2008* -
## Physical Science

I need to know what equations to use! (A)How much work is done moving a 2.0Kg book to a shelf 2.00m high? (B) What is the change of potential energy of the book as a result? (C) How much kineetic energy will the book have as it hits the ground when it

*asked by Totally Lost!! on January 29, 2009* -
## Physics

A .324 kg air track glider moves linearly with an initial speed of 1.37 m/s.In order to increase the speed of the mass, 7.31 J of work are done. What is the final speed of the glider? (Ignore the negligible friction)

*asked by Anonymous on January 26, 2017* -
## Language Arts - Maniac Magee

I need help finding Maniac Magee online. I need to be able to highlight parts of it with my mouse, but I can't find any sites that will work. If you don't find a site, please give me some words that I can use in the search bar to find a site. Please help,

*asked by Brady on February 24, 2014* -
## Physics

A box is being with a velocity v by a force P (parallel to to v) along a level horizontal floor. the normal force is Fn, the kinetic frictional force if fk, and the weight of the box is mg. Decide which forces do positive, zero or negative work and why?

*asked by Nilan on February 12, 2012* -
## sociology

Which of three theoretical perspectives best explains the fact that Americans find work roles psychologically satisfying but also find them to stressful? Functional theory conflict theory symbolic interaction theory

*asked by paula on August 9, 2009* -
## Chemistry

Write the mechanism for (E)-2-5-dimethyl-hex-3-ene and bromine? Assign the R, S configuration for each of the products and determine the stereochemical relationship of each set of products. I think the products will be trans but I am not quite sure how the

*asked by Kevin on February 2, 2010* -
## Physics (work and springs)

A 4kg box is compressed 50cm on a spring (k=800 N/m) and then slides across a horizontal floor. If (u=0.4) between the box and the floor... A) how much work is done? B) assuming the frictional force is constant, how far will the box slide before it comes

*asked by Adam on July 2, 2012* -
## Social Studies (Ms. Sue)

How did women's roles expand near the turn of the century? My answer: Women's roles expanded as industrial society was drawing more and more women out of the home and off of the farm and into the worlds of work and public life.

*asked by Anonymous on June 4, 2013* -
## psychology

Describe a hypothesis related to the area of psychology in which you are predicting an interaction. Describe the specific nature of the interaction (how different levels of each independent variable work together to produce different outcomes) and why you

*asked by Toby on February 25, 2013* -
## OCHEM

Write the mechanism for (E)-2-5-dimethyl-hex-3-ene and bromine? Assign the R, S configuration for each of the products and determine the stereochemical relationship of each set of products. I think the products will be trans but I am not quite sure how the

*asked by Rebecca on February 1, 2010* -
## Physics

A sphere of mass 85 kg is attached to one end of a rope as shown in the figure below. It is found that the rope does an amount of work W = 8030 J in pulling the sphere upward through a distance 9.6 m. Find the tension in the rope.

*asked by Sierra on July 6, 2012* -
## calculus

At the indicated point for the function, find the following. A graphing utility's numerical derivative feature can be used to check your work. y = (x3 + 2x)3 at x = 3 (a) Find the slope of the tangent line. (b) Find the instantaneous rate of change of the

*asked by Adam Janky on March 10, 2011* -
## chemistry

The heat of vaporization of water is 40 kJ mol-1 at 100oC. What percentage of the heat supplied to vaporize the water can be converted into work if the water is vaporized at 100 degrees C against a constant pressure of 1 atm?

*asked by nath on November 8, 2011* -
## physics

A mover pushes a 4.21 kg box with a 36.6 N constant horizontal force up a 10.0° ramp that has a height of 1.57 m. If the ramp is assumed to be frictionless, find the speed of the box as it reaches the top of the ramp using work and energy.

*asked by Anonymous on November 12, 2018* -
## Physics

A 9 kg block on a frictionless inclined plane at 40° has a cord attached to a pulley of mass 4 kg and radius 11 cm (see the following figure). (a) What is the acceleration of the block down the plane (in m/s2)? (Enter the magnitude.) (b) What is the work

*asked by Haya on April 15, 2017* -
## Math

the question is "The track at Beck's is rectangualar. The dimensions of the inner playing field are 200 by 80 feet. The track is 13 feet wide on all sides . How many feet will Becky walk if she follows the outside edge of the trck?" How do you work that

*asked by Ao on August 19, 2010* -
## Math

For each of the following angles, find a coterminal angle with measure (theta symbol) such that 0 degrees is greater than or equal to omega symbol < 360 degrees. a) -100 degrees. I really do not understand how to work this problem and I need help.

*asked by Catherine on August 19, 2013* -
## physics

An archer pulls her bow string back 0.400 m by exerting a force that increases uniformly from zero to 240 N. (a) What is the equivalent spring constant of the bow? 1 N/m (b) How much work does the archer do in pulling the bow? 2 J THANKS!

*asked by jennifer on February 9, 2011* -
## Precalculus

So for our review, our teacher posted the answers to the review online. I do the problem and check my work with the review, but I am questioning number 8. Here is the problem with the answer: prntscr.c0m/4rnpcn How does it equal 16? I am so clueless! G * F

*asked by Zane on September 29, 2014* -
## History

Which option most accurately describes aspects of the Protestant Reformation? led by Constantine, protestants met at the council of Nicaea to declare Jesus a man rather than divine led by John Calvin, Protestant french huge on protested the edict of

*asked by malia on October 16, 2017* -
## French

I need help with grammar, can someone check it out for me? 1. Une valeur mobilière est un fongibles, un instrument négociable représentant une valeur financière. Les deux types de valeurs mobilières sont les actions et les obligations. 2. Une action

*asked by Jeff on March 3, 2010* -
## English 102(writing in the discipline)

Telecommunication is the transmission of data and information between computers using a communication link such as a standard telephone line. Typically, a basic telecommunications system would consist of a computer or terminal on each end, communication

*asked by james on May 14, 2008* -
## social studies

In 1846, the population of San Francisco, California, was only 200. By 1852, the city's population was 36,000. Which contributed the most to San Francisco's population change? (5 points) The Gold Rush The Mexican-American War The Monroe Doctrine The Trail

*asked by Jenna on February 25, 2014* -
## History

In 1846, the population of San Francisco, California, was only 200. By 1852, the city's population was 36,000. 1. Which contributed the most to San Francisco's population change? (5 points) The Gold Rush The Mexican-American War The Monroe Doctrine The

*asked by #FreeGucci on February 19, 2016* -
## social studies

In 1846, the population of San Francisco, California, was only 200. By 1852, the city's population was 36,000. Which contributed the most to San Francisco's population change? (5 points) The Gold Rush The Mexican-American War The Monroe Doctrine The

*asked by Christian on February 23, 2014* -
## science

Discuss how comets might have a role to play in life evolving on an earth-like extrasolar planet in a distant solar system. can some one please help me out here. If life came to Earth via a comet, wouldn't it make sense to predict that some comet could

*asked by kat on May 18, 2007* -
## Physics

A 0.95 m rod with uniform mass distribution runs along the x axis with its left end at the origin. A 1.8 m rod with uniform mass distribution runs along the y axis with its top end at the origin. Find the coordinates of the center of gravity for this

*asked by Jamie on June 10, 2012* -
## Social studies

Which of the following is an advantage of a presidential government? A) the president is elected independently of the legislature B) the president is part of the legislative branch of government C) A system of checks and balances increases legislative

*asked by Sam on August 16, 2016* -
## Chemistry

In a large building, oil is used in a steam boiler heating system. The combustion of 1.0 pound of oil provides 2.4*10^7 J. How many kg of oil are needed to heat 100 kg of water from 22 to 100 degrees C? How many kg of oil are needed to provide steam from

*asked by Steve on February 6, 2012* -
## Algebra 2

For each function, identify the horizontal translation of the parent function, f(x)=x^2. Then graph the function. 19. y=(x-4)^2 I need to figure out how to solve this problem, so steps would be appreciative! PLEASE don't leave websites for me to check out,

*asked by Mike on December 6, 2016* -
## Maths

Solve for following applying spherical trigonometry... 1.Papua New Guinea (37° 45'N, 122°27'W)(since course was 260°) distance travelled =2250nm. A) use law of cosine to calculate a and thus altitude:or B) use law of sine to calculate N and thus

*asked by Collins on May 18, 2018* -
## Maths

There is a point (P) on the graph of [x^2+y^2- 136 x + 12 y + 4560 = 0] and a point(Q) on the graph of [(y + 6)^2 = x^3 - 116 x^2 - 417 x + 267460] such that the distance between them is as small as possible. To solve this problem, we let ((x,y) be the

*asked by Salman on November 19, 2009* -
## Math 7 - NYS Math Exam Review Help!

19. The circumference of the circle below is 25.12 centimeters ***** There is a circle and then there is a line and written radius C = 2(pi)r Which is the best estimate for the length of the radius of the circle? a) 3 cm b) 4 cm c) 8 cm d) 16 cm please

*asked by Laruen on April 15, 2012* -
## math

suppose you bought some 32 cents stamps and some 20 cents stamps. you spent $3.92 for 16 stamps. how many of each stamp did you buy? i got the equation--.32x + .20y = $3.92 but don't know how to solve for x and y what class/level is this for 8th grade math

*asked by norman on February 1, 2007* -
## Math

There is a point (P) on the graph of [x^2+y^2- 136 x + 12 y + 4560 = 0] and a point(Q) on the graph of [(y + 6)^2 = x^3 - 116 x^2 - 417 x + 267460] such that the distance between them is as small as possible. To solve this problem, we let ((x,y) be the

*asked by Salman on November 19, 2009*

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