Questions Asked on
January 7, 2013

statistics
A license plate is to have 3 digits followed by 2 uppercase letters. What is the number of different license plates possible if repetition of numbers and letters is not permitted?
asked by tony 
perimeter and area
A rectangular field is 13 m long and 10 m wide. its has a cement path 3 1/2 m wide around it. What is the area of the cement path?
asked by FH 
chemistry HWK MAKES NO SENSE
balance: H3PO4 + Mg(OH)2 → Mg3(PO4)2 + H2O
asked by simon 
math
sam cut a pie into equal slices. there are only 3 slices left. the angle measures for the three slices is 72 degrees. how many slices did sam cut the pie into?
asked by tyler 
Chemistry
When 50.0g of silicon dioxide is heated with an excess of carbon 32.2 g of silicon carbide I'd produced. SiO2(s) + 3C(s) → SiC(s) + 2CO(g) A. What is the percent yield of this reaction? B. How many grams of CO gas are made?
asked by Gloria 
statistics?mean average with lowest number out?
A mean average of 60 on 7 exams is needed to pass a course. on his first 6 exams, Adam received grades of 46,74,70,59,66 and 72. if his lowest grade of the exams already taken is to be dropped,what grade must he receive on his last exam to pass?
asked by tony 
geometry
Marcia is 1.5 meters tall. She casts a shadow that is 2 meters long. A nearby building casts a shadow that is 24 meters long. How tall is the building? (Hint: Use the properties of similar triangles.) A. 48 m B. 36 m C. 18 m D. 7 m
asked by eddie 
English
Hi. :) What do the speakers of Sir Thomas Wyatt's "Whoso List to Hunt" and Edmund Spenser's "Sonnet 30" have in common? How are they different?
asked by Jay 
Science math
Suppose a laboratory has a 38 g sample of polonium210. The halflife of polonium210 is about 138 days. How many halflives of polonium210 occur in 1104 days? How much polonium is in the sample 1104 days later?
asked by Joshua 
Trigonometry
Prove that tanx+cotx=2sec(2x) Thank you! :)
asked by Emma 
Statistic Average
A mean average of 60 on 6 exams is needed to pass a course. on his first 5 exams, Adam received grades of 46,73,73,63 and 70. If the lowest grade of the exams already taken is to be dropped, what grade must he receive on his last exam to get a C in the
asked by tony 
Science
Use the words to fill in the blanks of the paragraphs. 1.plants 2.pieces 3.moisture 4.ice wedging 5.acids 6.carbon acid 7.freezing 8.chemical 9.oxidation 10.temperatures 11.minerals 12.climate 13.desert 14. mechanical 15.cracks 16 reacting Weathering is
asked by Toxii 
math
how many different committees can be formed from 6 teachers and 31 students if the committee consists of 4 teachers and 4 students?
asked by tony 
I need help..
1. Diarrhea can be caused by a change in diet and different minerals in the water. True False 2. Fusion produces less radioactivity than fission. True False 3. Wise travelers eat only cooked vegetables in underdeveloped areas. True False 4. The kilogram is
asked by Morgan Stevenson 
Managerial accounting
[Figure 51].  The receiving department of Owen has three activities: unloading, counting goods, and inspecting. Unloading requires a forklift that is leased for $15,000 per year. The forklift is used only for unloading. The fuel for the forklift is
asked by Anonymous 
Math
Square cushion measures 65 cm by 65cm and 10 cm thick. I got help of the measurements from 1:20 scale to 3.25 by 3.25 by .5cm I drew out and labeled them. I need help with the next step. The square cushion is made of 3 component parts a top bottom and
asked by nj 
chem
Balance the Following Reaction: Mg(s) + H2O(g)Mg(OH)2(s) + H2(g)
asked by will.i.am 
science
Calculate pH of 0.01 M CH3COONa solution if pKa of CH3COOH is 4.74.
asked by kartikaya 
Biology
22.Which of the following is not a member of the protist kingdom? a. bacteria b. slime mold c. paramecium d. amoeba
asked by Please&ThankYou 
Biology
55. A living thing, usually with one cell that has a nucleus and other cells parts, is a a. moneran. b. virus. c. protist. d. fungus.
asked by Please&ThankYou 
science
how much gravitational potential energy does the pile driver have when it is lifted to a height of 15m? show work please
asked by Taylor 
math
if the product of six tenths and three tenths is subtracted from the sum of two tenths and four tenths. what is the difference
asked by jasmine 
HELP PLEASE!!!!!
The cowboy rides into town on Tuesday and stays for three days then leaves on Tuesday how is this possible?
asked by JACKSON 
Science Somebody Help Me Please..I have a deadline
1. Diarrhea can be caused by a change in diet and different minerals in the water. True False 2. Fusion produces less radioactivity than fission. True False 3. Wise travelers eat only cooked vegetables in underdeveloped areas. True False 4. The kilogram is
asked by Morgan S 
chemistry
Nitric acid and zinc react to form zinc nitrate, ammonium nitrate, and water. 4Zn(s) + 10HNO3(aq) → 4Zn(NO3)2(aq) + NH4NO3(aq) + 3H2O(l) A. How many atoms of zinc react with 1.49g HNO3? B. Calculate the number of grams of zinc that must react with an
asked by Anonymous 
math
What is the scale factor if a 8.9 m object appears as 6.5 cm in a picture?
asked by Anonymous 
math 2
armani is thinking of,a number that is,a factor of 36 and,also a multiple of 3. what are the possible numbers Armani could be,thinking of?
asked by stephie 21 
physics
Omar races his bicycle for 152m. A wheel of his bicycle turns 38times as the bicycle travels this distance. What is the diameter of the wheel?
asked by Morgan 
Math
Several friends are taking turns flying a kite. Each friend flies the kite for the same amount of time. They spend 6 hours flying the kite altogether. Explain what information you need to find how long each friend flew the kite for.
asked by Matthew 
Chemistry
Chlorine gas + aqueous sodium bromide > aqueous bromine + aqueous sodium chloride. I got: Cl2+2NaBr2(aq)> Br2(aq)+2NaCl2(aq) Is this right ?
asked by John 
Math
in the local mall there are twice as many clothing stores as there are music stores. there are twice as mny music stores as there are computer stores. if there are 16 clothing stores, how many computer stores are in the mall?
asked by Quinones 
maths
n how many ways can 8 persons be seated at a round table so that all shall not have the same neighbours in any two arrangements?
asked by faizel 
math
How many years will it take to reach 18600 if Tina invests 1000 in an account that pays 6.5 percent interest?
asked by thomas 
B tech
Fig. Shows a brake shoe applied to a drum by a lever ab which is pivoted at a fixed point a and rigidly fixed to the shoe. The radius of the drum is 160mm. The coefficient of friction at the brake lining is 0.3. If the drum rotates clockwise, find the
asked by R Ramesh 
math  expected value and fair price
one hundred raffle tickets are sold for $3 each. one prize of $200 is to be rewarded.Lisa purchases one ticket. a what is her expected value b what is the fair price for a ticket?
asked by tony 
chemistry
balance: CaCl2 + AgNO3 → AgCl + Ca(NO3)2
asked by martina 
math
An empty bucket is put under two faucets. If one faucet is turned on alone the bucket fills in 6 minutes. If the other faucet is turned on alone the bucket fills in 4 minutes. If both are turned how many seconds will it take to fill the bucket?
asked by alisha 
math
what number is 3/5 of 6
asked by jasmine 
chemistry
Ammonium nitrate will decompose explosively at high temperatures to form nitrogen, oxygen, and water vapor. 2NH4NO3(s) → 2N2(g) + 4H2O(g) + O2(g) What is the total number of liters of gas formed when 228g NH4NO3 is decomposed? (Assumed STP)
asked by Anonymous 
math
evaluate: aba+bc if a=4, b=2 and c=3
asked by jasmine 
Englishwriteteacher
Apologies for the repost but it didn't seem like my last post would be answered. I'm writing a short story for english based on the painting Nighthawks and I would really like some feedback. Any type of feedback would be highly appreciated. I'm kind of
asked by Rose 
chem
Balance the following equation by entering the correct coefficients. H3PO4 + KOH K3PO4 + H2O
asked by will.i.am 
Math
1/3 + ?/6
asked by Yariah 
math
A mean average of 60 on 7 exams is needed to pass a course. on his first 6 exams, Adam received grades of 46,74,70,59,66 and 72. if his lowest grade of the exams already taken is to be dropped,what grade must he receive on his last exam to pass?
asked by tony 
math
p1/2=1/3
asked by jasmine 
Math
What is the definition of Matrix?
asked by Bailey 
Math,Geometry
What are the equations of the lines through (5,3) and passing at distance 2sqrt5 from (5,7) Please I really need your help. I do not know how to do this problem.
asked by Lance 
Algerbra
They are fractions a. x/8 = 15/7 b. 9/x = 5/4 c. 145/16 = 78/x thanks in advance for your help!
asked by Anonymous 
math
divide as indicated: 0.01 divideby (o.o1 divide 0.001)
asked by jasmine 
Math
When we are plotting something, does the y axis go first or the x axis?
asked by Angie 
math
evaulate: aba+bc if a=4 b=2 and c=3
asked by jasmine 
math
2gal 2qt 2pt1gal 3qt 1pt 2oz=
asked by jasmine 
math
4 1/3(2 1/3*1 1/12)=
asked by jasmine 
statistics?mean average with lowest number out?
A mean average of 60 on 7 exams is needed to pass a course. on his first 6 exams, Adam received grades of 46,74,70,59,66 and 72. if his lowest grade of the exams already taken is to be dropped,what grade must he receive on his last exam to pass?
asked by tony 
Physics
Hello everyone, I have made measurements of the periods of a pendulum attached to a stationary point at a certain height h. When plotting the periods as a function of the square root of the length minus the height it gives us a straight line. I now need to
asked by Tom 
biology
what is a calorie?
asked by adel migirova 
math
Cells ina certain plant can triple in number every 15 minutes.How many times greater is the number of plant cells after an hour and a half then the number of cells the plant had origanally?
asked by Caitee 
Math
Write the equation in standard form using integers. Can someone please check my work? Ax+By= C Equation: y 4 = 2(x  3) y4 = 2x + 6 +2x +2x 2x+y4=6 +4 +4 2x+ y=10
asked by Cassidy 
science
what is the difference between weathering and erosion
asked by sheila 
math
when 5/8x + 1 1/3 is subtracted from 1 1/4x  5 1/6 the result is?
asked by max 
History
With the vital assistance of blank Theodore Roosevelt established the first comprehensive national conservation policy
asked by Anonymous 
Math
The angle of elevation of the sun is 22 degrees. How long is the shadow of a 15m tree, to the nearest metre?
asked by Anonymous 
algebra
(38746)+x/6=> or = to 70
asked by tony 
physical science
Under a pressure of 200 kPa, a confined gas has a volume of 2,500 cubic meters. The pressure acting on the gas is increased to 500 kPa. What is the new volume of the gas if the temperature remains the same?
asked by juan 
Ap chemistry
How to calculate initial concentration, preferably with a general example??
asked by Nicole 
Biology
The _____ is always written first in a scientific name. a. genus b. species c. genus and species
asked by Adel 
science
can a place that receives very little rain still receive a lot of precipitation? explain your answer
asked by lola 
math 3
shane has won 24 baseball and,soccer trophies.the number of trophies he has for each activity is,a multiple of 6. he has more soccer trophies than baseball trophies.how many of each type of trophy does shane have?
asked by stephie 22 
Science
What role does induction play when lightning strikes Earth?
asked by Ashli 
solve for x with inequality
(38746)+x/6=> or = to 70 (341)+x = or > than 70
asked by tony 
math
Order the numbers from least to greatest 4 1/4 4 1/8 5 10/11 4 2/12
asked by mom 
Math
The base of a ladder leaning against a house is 30ft from the wall. if the ladder reaches 40ft high on the wall , how long is the ladder?
asked by Macy 
Math
A square cushion measures 65 cm by 65 cm and 10 cm thick. Using a scale of 1:20 draw views of the cushion and label them with their measurements. Can someone help me with this? How would I go about drawing them and using the scale for measurements?
asked by nj 
trig
how to graph thr trig function f(x)3x180)+2 and the parent function?
asked by kim 
physical science
When iron metal reacts with oxygen, the reaction can form Fe2O3. Write a balanced chemical equation for this reaction, and find the number of moles of oxygen that are needed to form 6 mol of Fe2O3. Show your work.
asked by Megan 
Chemistry
2 ml of 1M HCl 0 ml of H2O 3ml of .3M Na2S2O3 How do I find the initial and final concentrations of both HCl and Na2S2O3?
asked by Nicole 
info
what is the null and alternative hypothesis of this article"Caffeine and Headaches  Caffeine Addictions "by Adarsh Y.
asked by ynah 
physics
One end of a post weighing 400 N and with height h rests on a rough horizontal surface with Ks=0.30. The upper end is held by a rope fastened to the surface and making an angle of 36.9^\circ with the post. A horizontal force F_vec is exerted on the post as
asked by Anonymous 
PhysicsMomentum
Baseball 0.14 kg moving at 35 m/s. Momentum of the ball? this should be easy b/c i know p=m*v but i get 4.9 kgm/s and it's wrong.....
asked by Sierra 
bay highschool
For each of following situations ,identify what creates on one of the forces that creates the motion described (there may be many) A. a flag flag back and forth at the top of a flagpole. B.a soccer ball is passed from one player to another C. a large piece
asked by shan 
math
Square cushion measures 65 cm by 65cm and 10 cm thick. I got help of the measurements from 1:20 scale to 3.25 by 3.25 by .5cm I drew out and labeled them. I need help with the next step. The square cushion is made of 3 component parts a top bottom and
asked by nj 
Math,Geometry
What are the equations of the lines through (5,3) and passing at distance 2sqrt5 from (5,7) Please I really need your help. I do not know how to do this problem.
asked by Lance 
Math
93*3^26^24^3
asked by Darren 
Geometry
What is the equation of a line through (2,5) and whose segment intercepted between the axes in the 2nd quadrant is 7sqrt2? Please help me solve this
asked by Lance 
science
what happens when you mix sugar with a cold drink
asked by eduarda 
math
This is a 8th grade question: Given C+C=D, D+E=17, A+2C=D, and 2B+C=8, what is the value of A+B+C+D??? Can you also show how you got it?
asked by Cadmus 
Math
I am a number less than 59.I am greater than 48. My ones digit is more than my tens digit.
asked by Lilly 
music
I know the general changes of music in the Renaissance, but when exactly in the Renaissance did the changes such as more melody and longer pieces start?
asked by Anonymous 
Physics
A train travels east at a speed of 50 m/s. A passenger is walking towards the rear of the train at a speed of 3 m/s. Assume that you are standing at the train station and observing the motion of the passenger as the train passes you at the station. What is
asked by Shaundrea 
math
solve the following exponential equation e^x4=e^x please show work
asked by Roger 
mathsurgent
divide 44degree8minutes into two parts such that the number of sexagesimal seconds in one part may be equal to the number of centesimal seconds in the other part?
asked by Anonymous 
geometry
Find the equation of a line parallel to 5x +6y = 0 at distance sqrt 61 from (3,7) I need help please. I don't have any idea
asked by xavier 
Biology
Some viruses cause the host cell to reproduce both itself and the virus. Groups of these cells become a. polio. b. tumors. c. mumps. d. rabies.
asked by Rihanna 
math/calculus
solve the equation loga(x5) loga (x+9)=loga(x7)loga(x+9) all a's are lower please show work
asked by Roger 
business
What do you believe are the most important traits and characteristics of a health care leader and/or manager and why? Which of the traits and characteristics presented do you believe are least important and why?
asked by Norma 
Math
A five gallon jug is 41.5pounds heaiver when it is full of water, than when it is empty. How much does the water weigh per gallon.
asked by Josiah 
physics
calculate the friction force of an object? if weight=19600,vi=30ms1,vf=0ms1 and S=100m.
asked by sana 
Biology
The trait that viruses share with living things is the ability to a. adapt. b. use food. c. respond. d. reproduce.
asked by Rihanna 
calculus
use the properties of logarithms to condense the logarithmic expression. write the expression as a single logarithms whose coeffient is 1. Inx+In5=? Can you show work
asked by Heather 
math
For the party, 105 re and blue balloons were inflated. There were 3 red balloons for every 2 blue balloons. How many blue balloons are there?
asked by Shane 
Chem
34.5 g of O2 react with lithium metal to produce solid lithium oxide. How many grams of Li2O are produced
asked by Sally 
math
use the properties of logarthms to find the exact value of the each expression lower 7loglower 76
asked by kelly 
maths
A monkey ascends a greased pole 30 m. high. He ascends 3 m. in Ist minute and descends 1m. in the next minute, again ascends 3m. in 3rd minute, but descends 1m. in 4th min and so on. In what time he reached the top?
asked by Anonymous 
Civics Marbury V. Madison
Did Marshall believe Marbury should have been given his job? And Did Marshall believe Marbury had a remedy for his grievance? These two I cannot find in my reading, and I thought I would ask you guys. Hopefully you can help!
asked by Allyson 
Physics
A 0.200 kg block of ice at 15 degrees Celsius is placed into a pan on a stove, heated to a liquid, and then to vapour with a final temperature of 115 degrees Celsius. Calculate the total amount of heat required for this process.
asked by Anonymous 
physics
a girl of mass 40 kg is skating at a constant speed of 1 m/s. supposed she doubles her speed, how much work will be needed to double her speed?
asked by merlyn 
8th grade math
15 kids for every 100 adults .. How many adults are there!! ... He cant be half an adult ... So idk
asked by Kill 
geometry
A moving point is always equidistant from (3,2) and the line 2xy+2=0. What is the equation of its locus? I need help for this problem because I am not very sure of my answer. Thanks in advance.
asked by Kyla 
math
which expression is equivalent to 3/4x24. It imultiple choice a 1/4(3x48) b 1/4(3x24) c 3/4(x32) d 3/4(x+32) I did it by trying each one out I got c 3/4(x32) mult 3/4 by both 3/4x24 Is this correct on how to find the answer and is it correct? thanks
asked by b6 
physics
What is k in the formula (3/2)kT
asked by cynthia 
maths
If x is a Poisson variate such that 3p (x=2) = 2p (x=1). Find 1. p (x=0) 2. p (x3) Given e^(4/3)=0.264
asked by Anonymous 
8th grade math
He had dimes and quarters ... He has 8 more quarters than dimes equalling 5.50..., how do u solve ..
asked by Kill 
physics
What is k in the formula (3/2)kT
asked by cynthia 
mathsurgent
a metal block of length 4cm ,breadth 3cm and height 2.5 weighs 500g.what is the mass of a block of length 5cm,breadth 4cm made of the same metal.
asked by manpreet 
Government
write a 1,000word report on two different ways that you, as a young citizen, can become active in politics that would help promote causes that you believe in. You may choose a specific organization that is politically active. In the report, tell the goals
asked by Mikaela 
math
a grocery store sells a 7 ounce bag of rasins for $1.10 and a 9 ounce bag of rasins for $1.46. Which size bag have the lowest price per ounce.
asked by crystal 
mathsurgent
If the sums of n terms of 2 A.P. are in ratio (3n+5)/(5n+7), then find their nth terms ratio
asked by manpreet 
Civics Marbury V. Madison
What's the role of the judiciary act of 1789 in this case? I can't this this one in my packet either. Ms. Sue, please help@
asked by Allyson 
maths
The lenth and the breath of a rectanglar field are in the ratio 5:3 if its perimeter is 128 m, find the dimensions of the field.
asked by Riddhi kersharwani 
Math
A bag holds 57 green and blue marbles. There are 13 more blue marbles then green marbles. How many marbles of each color are there?
asked by Kevin 
maths
For an A.P. sum of 2n terms = 3* sum of n terms then sum of 3n terms : sum of n terms = ?
asked by Anonymous 
maths
A and B together can do a piece of work in 12 days; B and C together can do it in 15 days. If A is twice as good a workman as C, in how many days A alone will do the same work?
asked by Anonymous 
Algebra Check Please
A farmer is tracking two wild honey bees in his field. He maps the first bee's path back to the hive on the line y=9/7x. the second bee's bee path follows the line y=3x+12. Their paths cross at the hive. At what coordinate will the farmer find the hive? I
asked by Emma 
commercial
For an assignment, I have to make a commercial on: 1. can be made up 2. must make the consumer want to buy it but is not being sold 3. must have a song jingle 4.nonusual promoted as usual I want to use wood but it is heavy, so I need help on an object to
asked by Celest 
biology
please help me with these to questions! The trait that viruses share with living things is the ability to a. adapt. b. use food. c. respond. d. reproduce. and Some viruses cause the host cell to reproduce both itself and the virus. Groups of these cells
asked by Rihanna 
Math Trig
I have to find the x (bottom length of the triangle) in a right triangle. angle A is 33.9 degrees angle B is 90 degrees and the height of the triangle is 3.3cm What formula do I use to figure out this question?
asked by nj 
science
how much gravitational potential energy does the pile driver have when it is lifted to a height of 15m? show work please
asked by Taylor 
Math
Jim and Mary jog 12 miles a week. Is it reasonable to say that the jog 624 miles in a year. Estimate by finding a range.
asked by Pat 
Math (intergrated algebra)
What's is the volume of a cylinder when the diameter is 14 inches & the height is 5 inches
asked by Andrew 
geometry
A moving point is always equidistant from (3,2) and the line 2xy+2=0. What is the equation of its locus? how do you solve this?
asked by xavier 
Managerial Ecomonics
If the goal of society is to get the most benefit from its limited resources, then why not ignore economic efficiency and build the energysaving automobile?
asked by Cindy 
Math
This question was answered but not by finding a range? If Jim and Mary jog 12 miles in a week. Is it reasonable that the jog 624 miles in a year. To solve problem need to estimate by finding a range.
asked by Pat 
Math
Jo's mother bought some fabric in a sale.She bought 2 1/2m white,3 1/4m red and 1 3/8 blue material. A.How much material did she buy in all? B.If the material costs $72 per meter,how much money did she spend? Please as soon as you get both answers could
asked by Annecia 
Math
This question was answered but not by finding a range? If Jim and Mary jog 12 miles in a week. Is it reasonable that the jog 624 miles in a year. To solve problem need to estimate by finding a range.
asked by Pat 
PreAlgebra
7x11=117x
asked by Anonymous 
Math
Lyn is 7 years old. Rose is 2 years less than twice as old as Lyn. What is the sum of their age?
asked by mary 
poly sci
Turbulent times preceded the ratification of the Constitution. Of all the challenges the country faced during this time, which challenge do you think was the most important one the new nation had to overcome? Defend your answer.
asked by kacee 
Math
The printer in Nate and Beth's office was out of paper. So, they put a ream of paper in the printer, 500 sheets. Nate then printed 72 sheets. Beth then added 30 sheets of paper to the printer. What was the net change in the number of pieces of paper in the
asked by Sumare 
Math
Oh and can you guys or girls show the working please.Thanks
asked by Annecia 
geometry
A moving point is always equidistant from (5,3) and the line 3x+y+5=0. What is the equation of its locus? Please help. how to do this problem?
asked by vaughn 
Science
I have to do a venn diagram of the earth and mars,how are they alike and how they are different
asked by Zacko 
PreAlgebra
3t+1=t+94t
asked by Anonymous 
math
For every 3 boys at soccer camp there are 2 girls. If there are 20 children at soccer camp.How many are girls?
asked by jessica 
Math
There are 325 endangered mamals. 69 are in the US? What is the ratio to the total endangered mammals? What is the ratio of foreign mammals to the total endangered mammals?
asked by Tammy 
science
two cyclists are riding their bikes up a steep hill. hessica rides her bike straight up the hill. adrian rides his bike up the hill in a zigzag path. adrian and jessica have identical masses. once they reach the top of the hill, does adrian have less
asked by Taylor 
science
the wavelength of the sound emitted by a dog is 0.009 m ; what is the frequency of the whistle ? ( use the formula : V= frequency x wavelength
asked by ciang 
Math please help
which expression is equivalent to 3/4x24. It is a multiple choice questuion a 1/4(3x48) b 1/4(3x24) c 3/4(x32) d 3/4(x+32) I did it by trying each one out I got c 3/4(x32) mult 3/4 by both 3/4x24 Is this correct on how to find the answer and is it
asked by b6 
Math
4y is 55 percent of what number
asked by Madison 
u.s History
which single type of landforms is found in region 5,7,10,and 12?
asked by Preksha 
science
a reference solution is to be prepared with 5PPM parabenzopyrene(252 mol. wt.)the quantity of parabenzopyrene required for preparing one litre 5PPM solution is
asked by apu 
algebra
tortious and hare race traveling at the same speed the tortoise finishes first. The toroise travels in a steady strate line begins at zero goes 32 miles in 50 minutes how would I write this in an equation
asked by Nathan 
algebra
I don't understand how to do these problems, anyone that can help id appreciate it thank you. Solve each system by substitutions solving for x then for y x=5 3x+y=2 x+y= 8 4x+y=20
asked by anonymous 
Math
Solve each inequality by using algebra. 24. x 2  11x + 13 ≤ 25 25. 2x 2 + 3x + 4 ≥ 1 26. x 2  5x  4 < 9 27. Sports A football thrown by a quarterback follows a path given by h(x) = 0.0095x 2 + x + 7, where h is the height of the ball in feet and
asked by Kelsey 
Math
The dimensions of Mrs. Singleton's square garden are dilated using a scale factor of 3. What is the relationship between the area of the new garden and the old garden? A. The are of the new garden is nine times the area of the original garden B. The area
asked by Andrew 
Algebra 2
Write a polynomial function in standard form with the given zeros: x=2,2,4
asked by Alex 
Math
Matt puts 3 1/2 quarts of lemonade in the pitcher. He adds another 1/2 quarts. How many pints of lemonade does he have total? PLEASE SHOW WORK! :[
asked by Adaija 
Music
are all instruments in the brass family aerophones?
asked by Anonymous 
Math
3(4x+6)+7
asked by Jenny 
English III short story
I'm writing a short story for english based on the painting Nighthawks and I would really like some feedback. I'm kind of stuck. Thanks in advance! The Job They were just names. Just two insignificant names in the little black book, just like all the rest.
asked by Rose 
math
it was 96 kilometers from Perry to medford. David raced to Medford and idled back.If the round trip took 8 hours what was his average speed in kilometers per hour
asked by jasmine 
english
I am trying to an article on Academics. What is an easy why to explain what it means that is understanding?
asked by Ashley 
chs
A farmer has a rectangular field with a length of 30 yards and width of x yards. If the perimeter is the sum of all four sides of the field, what is an expression for the perimeter of the field, in yards? Simplify
asked by Anonymous 
IS141
extended response: Dekendra is keeping a log of the miles she walks each day. So far, she walked 2/3 mileon Saturday, 1 3/4 mile on monday, 1/2 mile on tuesday, 2 1/8 mile on wednesday, 1 5/8 mile on thursday, and 5/6 mile on friday?
asked by Karizma 
math
pistachios were priced at 3 pounds for 6.99 (A)what was the price per pound (B) how much would 10 pounds of pistachios cost
asked by jasmine 
grammar
What is the prepostional phrase and the object it modifies in the following sentence . Energy stored in carbohydrates is released quickly.
asked by mackenzie 
math
draw a diagram of this statement. three fifths of the baker 60 cookies were chocolate cookies (a) how many of the baker cookies were chocolate? (b) what percent of the bakers cookies were not chocolate cookies
asked by jasmine 
monomials and polynomials
simplyfy in two steps by removing parathensis (4xy3y^3)_(xy+y^2)
asked by joe 
math
replace the circle with the proper comparison symbol 35 3+(5)
asked by jasmine 
math
What is the ratio of the measures of side BC to side RS in simplest form? (1 point)2:1 6:12 1:2 none of these
asked by Anonymous 
Math
Solve each inequality by using algebra. 8. x 2 + 10x + 1 ≥ 12 9. x 2 + 13x + 45 < 5 10. 2x 2 + 3x + 12 > 10 11. Business A consultant advises the owners of a beauty salon that their profit p each month can be modeled by p(x) = 50x 2 + 3500x  2500,
asked by Shelbie 
math
y= 2x5 x= 4 solve for y y= 8 5 y= 3 is this correct thank you.
asked by jill 
math
In 1980, the computer hard disk had a maximum capacity of 10 to the 7th power bytes. In 2000 computer hard disk capacity had increased to 10 to the 11th power bytes. By what factor had hard disk capacity increased between 1980 and 2000?
asked by rachel 
math
simplify: (6)+(3)(1)(+4)=
asked by jasmine 
math
evaluate: ab(ab) if a=0.5 and b=0.4
asked by jasmine 
computer
you know when people show a film and they have some part cut off like when: you are holding a piece of paper but the hand part doesnt show because you did something to the film to make it look like the paper is flying. How do you do that?
asked by Celest 
English
what is the key difference between the subject and the theme of a story?
asked by T.J And the Vibe 
Science
Two students measured the outside temperature at noon from a thermometer hung in the playground. The two students recorded very different measurements. Give two possible reasons for why the students got such different measurements. I know one reason is one
asked by Margaret 
math
solve: 5n=32
asked by jasmine 
biology
why are yeast classified as eukaryotes? i know they are in kingdom fungi and all the members are eukaryotes but why?
asked by Riana 
Math
How many meters of wire should Jermaine buy to fence his rectangular garden which is 6m long and 48m wide?
asked by Annecia 
trig
the mini tent of the clock is 5 cm long.how far is the tip of THE HAND TRAVEL IN 35 MINS.
asked by carol 
Statistics
Can you explain confidence intervals as it relates to the results of this obesity study? Results. Of 3069 sampled students, 2681 (87%) were measured. The prevalence of overweight was 43% (95% confidence interval [CI] = 39%, 47%), more than half of whom
asked by DJ 
PreAlgebra
what is two more than a number equals three times the sum of onethird of the number plus 6 in standard or numerical form.
asked by Anonymous 
English
When you are making a generalization what does it require?
asked by T.J And the Vibe 
child care
promote the benefits of change
asked by lizzy 
math
8.6* 5 1/4 (decimal)
asked by jasmine 
Science Help! I have a deadline!!
Match the following. 1. Rocky Mountain spotted fever 2. information about plants 3. eroded material 4. sun, wind, thermal 5. yellow fever and malaria 6. receives radio waves 7. major problem of underdeveloped nations 8. method of mountain formation 9.
asked by Morgan S 
Jefferson
Nitric acid and zinc react to form zinc nitrate, ammonium nitrate, and water. 4Zn(s) + 10HNO3(aq)→ 4Zn(NO3)2(aq) + NH4NO3(aq) + 3H2O(l) A. How many atoms of zinc react with 1.49g HNO3? B. Calculate the number of grams of zinc that must react with an
asked by Gloria 
7th grade language arts Ms. Sue please
1. Trying to spread ideas that help one cause while hurting another is called (1 point) marketing. semantic slanting. propaganda. 2. How would you revise the title of "Take the Junk out of Marketing Food to Kids" to avoid semantic slanting? (1 point)
asked by Delilah 
Math 2
Cheiko bottles 4 1/8 quarts of root beer. Then she bottles another 5 7/8 quarts of root beer. How many 1cup servings of root beer does she have? Please show me the problem, i am not getting this at all.
asked by Lyric 
math
multiply as indicated: 8.6*5 1/4 (decimal)
asked by jasmine 
Math (Trig)
Find the indicated ratios in the triangle. Right triangle with a height of 2.56cm length of 4.65cm and hypotenuse of 5.31cm a. tan A b. cos C c. sin C How do I figure this out?
asked by Nj 
Science
If bacteria doubles every 20 minutes, how long until you have a billion spores
asked by Anonymous 
Math
The angle of elevation of the sun is 22 degrees. How long is the shadow of a 15m tree, to the nearest metre?
asked by nj 
Please guys. Help me out.
1. Diarrhea can be caused by a change in diet and different minerals in the water. True False 2. Fusion produces less radioactivity than fission. True False 3. Wise travelers eat only cooked vegetables in underdeveloped areas. True False 4. The kilogram is
asked by Morgan Stevenson 
PreAlgebra
what is two more than a number equals three times the sum of onethird of the number plus 6 in standard or numerical form.
asked by Anonymous 
math
at 9:00 am Marsha found a parking meter that still had 5 minute until it expired.she quickly put a quarter, 1 dime, and a nickel into the meter and went to her meter and went to her meeting.If 5 cent buys 15 minute of parking time at what time will the
asked by jasmine 
Math
Allison measures 1 5/16 teaspoons of salt. She measures another 1 11/16 teaspoons of salt. How many tablespoons does she measure altogether? Please show work
asked by Adaija 
math
the jenkins started their trip with a full tank of gas and 48,961 miles on their car.They stopped and filled the gas tank seven hours later with 14.0 gallons of gas.At that time the car total mileage was 49,381. what was the car average speed in miles per
asked by jasmine 
Math
In triangle ABC
asked by Anonymous 
math
the ratio of cetaceans to fish in the harbor was 3 to 13. how many fish were in the harbor if there were 390 cetaceans
asked by jasmine 
Math
Light travels approximately one foot in a nanosecond. How far does light travel in a microsecond?
asked by Not telling you 
geometry
Find the bisectors of the interior angles of the triangle whose sides are the line 7x+y7=0, x+y+1=0 and x+7y4=0. Please I really need help. I do not know how to do this problem
asked by vaughn 
Math
Robyn has 6 2/3 pounds of cheeses. She buys another 2 1/3 pounds of cheese. How many ounces of cheese does Robyn have total?
asked by Adaija 
Math
A fire ladder extends 18m. Each storey of a burning building is 10ft. If the ladder can have a maximum angle with the ground of 75 degrees, to what storey would the ladder reach?
asked by Anonymous 
math
the jenkins started their trip with a full tank of gas and 48,961 miles on their car.They stopped and filled the gas tank seven hours later with 14.0 gallons of gas.At that time the car total mileage was 49,381. The jenkins car traveled an average of how
asked by jasmine 
geometry
What are the equations of the lines through (5, 3) and passing at distance 2sqrt5 from (5,7)? This problem is confusing? How do I solve this? Please I need your Help
asked by Lance