Questions Asked on
April 30, 2015

math help me
Solve: 6C3 (1 point) 120 720 20 240 2. Which is not a combination? (1 point) choosing 3 toppings for your pizza lining 3 students up in a row choosing 2 desserts from a tray of 10 choosing 5 students to represent a class of 30 3. How many ways can you
asked by maddi 
MATH
1.) solve the equation 2 x  3 = 15 A. x=6 B. x=9 C. x=24 D. x = 36 2.) Solve the equation r  4 = 11  3 r = 45 r = 35 r= 33 r = 28 3.) solve the equation 7+ 3 m = 28 m = 18 m = 11 2 divide by 3 m = 9 m = 7 PLEASE HELP MS. SUE
asked by Priscilla 
check pls
Grayson is designing a rectangular athletic field. On his scale drawing. the vertices of the rectangle are (4,5), (9,10), and (9,5). What are the coordinates of the fourth vertex? A. (4,9) B. (4,10) C. (5,10) D. (5,9) I think it's A. (4,9) Am i right?
asked by Maria 
Math
You and a friend go to the movies and split the cost of the movie tickets and snacks. You pay the bill. You tell your friend he owes only $9 because you owed him $4 from the last time you went to the movies. How much was the total bill? Let b represent the
asked by Priscilla 
Science Plzz Help Ms sue
explain how genetic variation and environmental pressures can lead to a change in the characteristics of a population.
asked by Leighla 
Math
Small cubes with edge lengths of 1/4 inch will be packed into the right rectangular prism. How many small cubes are needed to completely fill the right rectangular prism? The height is 3 3/4 inches, the width is 5 inches, length is 4 1/2 inches. ( the
asked by Jay 
chemistry
Calculate the mass of oxygen gas required to occupy a volume of 6 L at a pressure of 20.9 kPa and a temperature of 37◦C.
asked by sara 
consumer math A
Find the interest due on $800 at 12% for 120 days.
asked by javion 
math
jerry sold 7/20 of the total number of tickets that were sold for the spring band concert what percent of the total number of tickets did jerry sell
asked by ciara 
chemistry
Write the balanced net ionic equation for the following reaction and determine the conjugate acidbase pairs. HNO3(aq)+Li2CO3(aq)LiNo3(aq)+LiHCO3(aq) Which component in the net ionic equation is the acid, the base, the conjugate base, and the conjugate
asked by kim 
math
The ferris wheel shown makes 12 revolutions per ride.how far would someone travel during one ride
asked by Anonymous 
Physics
Update: Planets are not uniform inside. Normally, they are densest at the center and have decreasing density outward toward the surface. Model a spherically symmetric planet, with the same radius as the earth, as having a density that decreases linearly
asked by Katie 
Consumer math
A deposit of 4,000 at 9.5% for 270 days
asked by Alexis 
Math
Kaya drove 200 miles in 5 hours of actual driving time. By driving an average of 10 miles per hour faster, Kaya could have saved how many hours of actual driving time? A. 1 / 6 B. 2 / 3 C. 7 / 10 D. 1 E. 4
asked by Anonymous 
Consumer Math HELP
1. Fred salmon purchased six 1,000 bonds at 92. The bonds pay 6.5% What was the cost of the bonds? What was the total annual interest? What is the yield (to the nearest percent)? 2. John Tucker is interested in purchasing stock. He wants to determine the
asked by Lauren 
Algebra
a personal identification number consists of 3 letters followed by 3 digits (09). the letters x,y and z are not used and the last digit cannot be 0 or 9. how many different identification numbers are possible?
asked by bernie 
bookkeeping
Worksheet (Use the information from the trial balance in Exam Figure 2. Write the worksheet information on the form in Exam Figure 1.) You’ll need the following adjustment information: a. P. Woodsley counted the supplies on May 31 and found that the
asked by Anonymous 
algebra
1/3(y+4)+6=1/4(3y1)2 show work Please
asked by jaimecarlon 
math
6cm diameter discs are cut from a sheet 130cm long and 70cm wide.(a)How many discs can be cut in this way (b) what area of the sheet is wasted? (My working so far). Area of rectangle=L*B 130*70=9100cm^2 area of circle=22/7 *(6/2)^2=28.286cm^2 (a)no of
asked by james 
Algebra 2/statistics
On a fair 6sided die, each number has an equal probability p of being rolled. when a fair die is rolled n times, the most likely outcome (the mean) is that each number will be rolled NP times, with a standard deviation of sqrt NP(1P). Brandon rolls a die
asked by Jordan 
Language Arts  Please Check Answer
Please help me with the following question: A paradox is a literary device often used to A. emphasize or make readers think about important ideas. B. provide hints or clues about events that occur later in a story. C. explain a character’s reason for
asked by Brady 
Math
The manager of the theater wants to sell the popcorn in a cone with a diameter of 7 inches. What does the height of the cone need to be in order to hold the same amount of popcorn as the cylinder?
asked by Alanda 
Physics
The lens and mirror in the figure below are separated by d = 1.00 m and have focal lengths of +74.8 cm and 42.2 cm, respectively. An object is placed p = 1.00 m to the left of the lens as shown.
asked by Austin 
Economic
Julee has estimated the demand and marginal revenue for her product. They are P = 100 − 2Q (quantity) and MR = 100 − 4Q, respectively. She also experiences constant marginal cost of $16. a.Does Julee have any market power? How can you tell?
asked by Jesus 
studio art
how is a interior designer in a modern kitchen most different from interior design found in nineteenth century kitchen
asked by angelina 
Math
A submarine left the surface of the water at the rate of 2 meters per second. At the rate how long would it take the submarine to reach 60 meters level
asked by Sia 
Physics
A racket exerted an average force of 152.0 N on a ball initially at rest. If the ball has a mass of 0.070 kg and was in contact with the racket for 0.030 s, what was the kinetic energy of the ball as it left the racket?
asked by Maria 
math
Small cubes with edge lengths of 1/4 inch will be packed into the right rectangular prism. The dimensions are 4 1/2 inches in length, 5 inches in width, and 3 3/4 inches in height. Each cube is 1/4 inches. How many small cubes are needed to completely fill
asked by Troy 
math
prove that the value of cosx + secx can never be 3/2.
asked by maths 
SOLVE MATH
A physics exam consists of 9 multiple choice questions and 6 openended problems in which all work must be shown.If an examinee must answer 6 of the multiple choice questions and 3 of the openended problems, in how many ways can the questions and
asked by JORDAN 
math
What will the graph look like for a system of equations that has no solutions? A. The lines will be perpendicular. B. The lines cross at one point. C. Both equations will form the same line. D. The lines will be parallel. Is the answer B?? Thank you
asked by Claire 
Math
Writing to Explain Yuri says that the difference between the least amount of time it takes a student to say the alphabet and the greatest amount of time is 4 1/2 seconds. Do you agree? Explain.
asked by Mits 
math: 689599.7 rule
suppose that prices of a certain model of new homes are normally distributed with a mean of $150,000 use the rule to find the percentage of buyers who paid: between $150,000if the standard deviation is $1200
asked by john 
s.s
According tot he excerpt, violence by the Ku Klux Klan against african americans and their white supporters was _____ to stop because juries often _____. A. very easy; were against the Ku Klux Klan and its activities B. very difficult; were made up of Ku
asked by Anonymous 
MATH
A physics exam consists of 9 multiple choice questions and 6 openended problems in which all work must be shown.If an examinee must answer 6 of the multiple choice questions and 3 of the openended problems, in how many ways can the questions and
asked by STAR  HELP..... 
ALGEBRA
A service that repairs TV's and sell maintenance agreement for $9 a yr. the average cost for repairing a TV is $39 and 3 in every 100 people who purchased maintenance agreements have TV that require repair Find the services expected profit per maintenance
asked by HEATHER 
Earth Science
What are some factors that make it difficult for geologist to learn about the Precambrian era?? Please Explain
asked by Blue42 
Algebra
1. Is it more difficult to run up a ramp with a slope of 1/5 or a slope of 5? 2. What is the slope of a line that passes through the points (2,0) and (5,0)? 3. A line has a slope of 2. It passes through the points (1,2) and (3,y). What is he value of y? 4.
asked by Yolanda 
Volume
Imagine that you have an ideal gas in a 7.00L container, and that 1050 molecules of this gas collide with a squareinch area of the container at any given instant. If the volume is increased to 56.0L at constant temperature, how many collisions will occur
asked by Chemistry 
5th grade math
Jeff put small box that is 12 inches long, 8 inches wide, and 4 inches tall inside a box that's 20 inches long, 15 inches wide, and 9 inches high. How much space is left in the larger box?
asked by Chris 
Social Studies
Which describes a belief of the progressive movement? (1 point) the belief that government could correct the ills of society the belief that individual citizens could work to improve social problems the belief that business and the free enterprise system
asked by Archy 
Advanced Functions
Prove (sin4x)/(1cos4x) = cotx  1/2(cscxsecx) Please help me get started on this question... I'm at a lost as for what to do first....
asked by Sarah 
math
Answer the following questions below that go with the following: Let's say that a locker combination lock uses numbers 0 through 39 for a 3 digit combination. 1.) Exactly how many combinations are possible if NO digit may be repeated? And how many
asked by Kyle 
math
find a number that: it is a 3 digit number larger than 399 and smaller than 500 both digits in the tens place and ones place are odd and their sum is equal to 5 the digit in the ones place is larger than the digit in the tens
asked by Mahinoor 
Math
If I were to graph this equation y= 2x + 0.5 would I graph x as 2 and y as .5?
asked by Island Grandma 
science
to study and change of current due to variation of resistance in an electric circuit?
asked by vincent d 
algebra
A population of wolves in a county is represented by the equation P(t)=80(0.98)^t, where t is the number of years since 1998. What will be the number of wolves in the population in the year 2012?
asked by clarissa 
physics
A football kicker can give the ball an initial speed of 25m/s. What are the greatest and least elevation angles at which he can kick the ball to score a field goal from a point 50m in front of goalposts whose horizontal bar is 3.44m above the ground?
asked by john 
Math
A painting shaped like a circle had a diameter of 20 inches. A circular frame extends 2 inches around the edge of the painting. How much wall space does the framed painting need? Use 3.24 for pi.
asked by J J 
Math
Allie's plant has a height of 6 meters. rayon's plant grows 3/10 meter higher . How high does Rajon's plant grow?
asked by Smita 
English
In our text discussion, we compared a twoway conversation with a topdown situation, such as that which students encounter when listening to a lecture. What was this comparison intended to illustrate? A. The need to pay attention to an instructor’s
asked by clary 
math
if r=9 units and h=4units what is the volume of the cylinder shown above use 3.14 for pie symbol
asked by ciara 
Math
Reason A new student joins Ms. Sousa's class. That student can say the alphabet in 3 1/2 seconds. What is the new difference between the greatest length of time and the least length of time? A. 4 1/2 seconds B. 4 seconds C. 3 1/2 seconds D. 3 seconds
asked by Mits 
chemistry
If 765000 J of energy are added to 7.90 L of water at 291 K, what will the final temperature of the water be? Answer in units of K.
asked by zack 
English/Writing
As you analyze an essay, you can use your own words to summarize the author’s key ideas and map out the organization of the essay’s key points. This is called A. critiquing. B. anchoring. C. summation. D. transcribing. B. anchoring
asked by clary 
Calculus
How would I find the equilibrant of three vectors? I am given a graph of three different vectors which meet at the point (0,0)
asked by Sara 
Early Childhood Education
A ________ is an indepth look at a particular child at a specific point in time.
asked by Ella 
math
Find the HCF and LCM of: 1 + 4x + 4x^2  16x^4.. ,1 + 2x  8x^3  16x^4.., 16x^4 + 4x^2 + 1
asked by clive 
physics
2. An object is 20.0 cm from a converging lens, and the image falls on a screen. When the object is moved 4.00 cm closer to the lens, the screen must be moved 2.70 cm farther away from the lens to register a sharp image. Determine the focal length of the
asked by tasha 
Math
Using the formula. I =Prt ,calculate the simple interest where t=1/n and n is the number of periodd per year for compounding. You have $20,000 and wished to invest it in one of two ways. Option A: You may invest it in a certificate of deposit for 10 years
asked by Preia 
physics
Two +'ve charges separated by a distance 2m each other with a force of 0.36N. If the combined charge is 26mc , the charges are
asked by Thirumal 
Math
Anna saved $20 in a jar each month for 2 1/2 years. She spent 75% of her savings on a computer. How much money did Anna have left in the jar?
asked by Sarah 
ALGEBRA
Jan plans to invest $7500, part at 4% simple interest and the rest at 5% simple interest. What is the most that he can invest at 4% and still be guaranteed at least $325 per year?
asked by SEAN 
Civics HELP! Ms.Sue
Given the maps above, what could you say about the relationship between income level and voting in Florida? A) Higher income districts tend to be more heavily Democratic. B) There is no apparent relationship between the income level and voting habits. C)
asked by Anon101 
SPANISH 3
I was given this assignment: "Escribe en español un párrafo breve de por lo menos cuatro oraciones. Habla de la foto aquí usando los adjetivos demostrativos como pronombres." (The picture is of a woman on a computer with a man standing over her). Are
asked by Nadia 
math:Fundamental Counting Principlal
solve the problem by applying the fundamental counting principal with two groups of items. Shaun is joining a music club. as part of ther 4cd introductory package she can choose from 12 rock, 10 alternative, 7 country, and 5 classical. if Shaun choose one
asked by robert 
Calculus
Imagine making a tent in the shape of a right prism whose crosssection is an equilateral triangle (the door is on one of the triangular ends). Assume we want the volume to be 2.2 m3, to sleep two or three people. The floor of the tent is cheaper material
asked by Lizz 
biology
A toxin from a poisonous mushroom has been identified as a hydrophobic weak acid. It somehow can find its way to the inner membrane of mitochondria where it gets protonated on the outer surface of the membrane but deprotonated on the inner surface of the
asked by pete 
Physics
Two electrostatic point charges of +60.0 μC and +57.0 μC exert a repulsive force on each other of 161 N. What is the distance between the two charges? The value of the Coulomb constant is 8.98755 × 109 N · m2/C2. Answer in units of m.
asked by Chris 
Physics
An Xray tube used for cancer therapy oper ates at 8.8 MV with a beam current of 19 mA striking a metal target. Calculate the power of this beam.
asked by Chris 
Discrete Math
3. A club with 8 women and 6 men needs to choose two different members to be president and vice president (combination or permutation). a. In how many ways is this possible? b. In how many ways is this possible if women will be chosen as president and a
asked by Peace 
Math
Find the approximate area of each circle. Use the value of pi that makes the math the simplest for you. In the example, it's a circle with 14cm written on it in the middle. I'm
asked by Kimm 
math
Find the HCF and LCM of: 1 + 4x + 4x^2  16x^4.. ,1 + 2x  8x^3  16x^4.., 16x^4 + 4x^2 + 1
asked by anyone please help 
s.s
All persons born or naturalized in the united States and subject to the jurisdiction thereof, are citizens of the United States and of the state wherein they resize. No state shall make or enforce any law which shall abridge the privileges or immunities of
asked by Anonymous 
physics
four equal charges 2*10^6c each are fixed at the four corner of a square of side 5cm.find the coulumb force experinced by one of the charge due to rest three
asked by nikhil 
Chemistry
To titrate the acetic acid in 10.0 mL of vinegar sample, 25.5mL of 0.5M sodium hydroxide solution is needed. What is the concentration of acetic acid in the vinegar?
asked by Anonymous 
Career
1.)How people produce, distribute, and use goods and services? a.) Economy b.) Free enterprise system c.) Competition d.) Profit 2.)The amount of goods and services available for sale. a.) Producers b.) Consumers c.) Supply d.) Demand 3.)The amount of
asked by Amanda 
Algebra 2/Statistics
From a squad of 12 cheerleaders, 10 will assemble themselves into a 4level pyramid at the Homecoming rally. 1.) How many different combinations of cheerleaders can be used to build the pyramid? For this I got 12C10=66......Right or Wrong? 2.) The coach
asked by Jordan 
math  please help
Find the HCF and LCM of: 1 + 4x + 4x^2  16x^4.. ,1 + 2x  8x^3  16x^4.., 16x^4 + 4x^2 + 1
asked by help please  instantly 
physics
A stone is dropped from the top of a cliff which is 100m high. At the same time another stone is vertically thrown upwards from the foot of the cliff woth a speed of 40m/s.AT what height and when do the stones meet
asked by asgf 
Chemistry
20.00mL of 0.55M CH3COOH solution is mixed with 9.95mL of 1.0M NaHCO3 solution. The reaction occurring is CH3COOH + NaHCO3 > CH3CHOO + Na + H2O +CO2. Which is the limiting reagent in this reaction?
asked by Kate 
Chemistry
I need help on my chem lab... I need to give you background info so you know how to help me.. Data Sheet: Specific gravity of distilled water Temp of distilled water = 20 C Specific gravity: 1.0000 or 1.000 (according to hydrometer used) sugar solution 1 :
asked by Jennie 
Science
why might an ecologist use a food chain for one study and a food web for another study
asked by M 
math
The cost of a minibus was Shilling 950,000. It depreciated in value by 5% per year for the first two years by 15% per year for the subsequent years. (a) Calculate the value of the minibus after years (b) After 5 years the minibus was sold through a dealer
asked by kudu 
Math
In 1982 , the California Minimum wage was $3.35.Suppose that a bartender in 1982 makes minimum wage plus $80 per night in tips,and that they work full time(8 hrs per day, 5 days per week, 50 weeks per year) Considering a standard inflation rate of 4.5%
asked by Preia 
MAT 142
What is the cost of concrete for a walkway that is 15 feet long, 8 feet wide and 9 inches deep if the concrete costs $30 per cubic yard?
asked by Olivia 
Social Studies
Because of her reform activities, which group would not have supported Rebecca Latimer Felton? (1 point) supporters of educational opportunities for all citizens of the state supporters of the suffrage movement to gain voting rights for women supporters of
asked by Archy 
chemistry
Determine the percent yield for the following generic reaction using the information given below: Compound A > Compound B if you start with 10.0 mL of Compound A and obtain 9.0 g of Compound B. Density of Compound A = 0.75 g/mL MW of Compound A = 150.
asked by Anonymous 
Chemistry
There are three isotopes of phosphorus. Only one of them is stable. Calculate the binding energy per nucleon (in MeV) for P32 (atomic mass = 31.9739 u). mass H = 1.007825 u and mass n = 1.008665 u. I multiplied the protons(15) by the mass H, and the
asked by JUNDY 
statistics
Probability: How many ways can a person select 4 programs from a television guide of 16 programs?
asked by vera 
Algebra 2
A sequence is recursively defined by, t1=1, t2=2, t2n=2t2n2, and t2n+1=3t2n1
asked by Wallis ramsdell 
Math
THE CIRCUMFERENCE OF A CIRCLE IS 31.4 centimeters. What is the area of the circle?
asked by Jimmie 
Literature
I have an 810 page final essay due concerning the Odyssey. I know my topic I want to use for my essay is FAMILY. The problem I having is forming an argumentative thesis. My question is... How would I begin to form an argumentative thesis? I continue to
asked by Caroline 
Physics
A net charge of 73 mC passes through the crosssectional area of a wire in 9 s . What is the current in the wire? The fun damental charge is 1.602 × 10−19 C.
asked by Chris 
History
What is one certain longterm cost of adding to national debt? a.) Americans in the future must have fewer public services b.) Americans in the future will not vote in elections c.) Americans in the future will not enjoy the benefits of the program d.)
asked by Shane 
maths
Three consecutive terms of a Geometric Progression are − 6, p and − 32 . find the value of p.
asked by james 
chemistry
how much copper sulfate do i need to make a solution of 100ml of 1M copper sulfate?
asked by johnny 
English Literature
Hello, I'm a English Literature student. I'm going to make a Project on William Shakespeare and John Milton. As I said, it's an English project, So please suggest me some good topics/title for both the projects. Also please give me some general tips and
asked by Paakhi 
Calculus
What is the solution to the following system of equations 2x+3y+z=5 x+5y+2z=17 To do this, I used elementary operations and isolated x to get 13y+5z=37. Is that correct so far? How would I continue?
asked by Sara 
chemistry
How to calcuate therotical pH 1.) 0.1 M HCl measured pH=1 2.) 0.1 M NaOH measured pH=13?
asked by Clare 
math
There are two sign posts A and B on the edge of the road. A is 400 m to the west of b. A tree is on a bearing of 060° from A and a bearing of 330° from B. Calculate the shortest distance of the tree from the edge of the road.
asked by kudu 
Chem
what pressure is exerted by 784.3g of CH4 in a 0.870 l steel container at 184.3 k I don't know how to start it or the formula
asked by Anthony` 
physics
four equal charges 2*10^6c each are fixed at the four corner of a square of side 5cm.find the coulumb force experinced by one of the charge due to rest three
asked by nikhil gupta 
Chemistryis this right?
Water has a pH of 4.9? Calculate H3O and OH 1. H3O= 10^4.9=1.25*10^5 2. OH= 14 4.9= 9.1
asked by Clare 
Chemistry
I need help on my chem lab... I need to give you background info so you know how to help me.. Data Sheet: Specific gravity of distilled water Temp of distilled water = 20 C Specific gravity: 1.0000 or 1.000 (according to hydrometer used) sugar solution 1 :
asked by Jennie 
Chemistry Dr. Bob
I need help on my chem lab... I need to give you background info so you know how to help me.. Data Sheet: Specific gravity of distilled water Temp of distilled water = 20 C Specific gravity: 1.0000 or 1.000 (according to hydrometer used) sugar solution 1 :
asked by Jennie 
History!!!
What does this poll most suggest about U.S. citizens? a.) they belive that higher taxes are worth the cost and benefits b.) they think that most government programs have little value c.) they prefer fewer public goods and services over higher personal
asked by Shane 
Math
A triangle with a Base of 8 inches and a height of 7 inches has a circular section of diameter 3 inches removed from its center. What is the remaining area of the triangle? (Use π = 3.14)
asked by Preia 
Math
A triangle with a Base of 8 inches and a height of 7 inches has a circular section of diameter 3 inches removed from its center. What is the remaining area of the triangle? (Use π = 3.14)
asked by Preia 
Physics
If the current in a wire of a CD player is 1.10 mA, how long would it take for 3.40 C of charge to pass a point in this wire?physi
asked by Chris 
Math Check
Let’s say you have a bedroom drawer that contains about 2 red socks, 4 white socks, and 8 blue socks. Without looking in the drawer, you pick out a sock, take it back, and then pick out a second sock. What could the probability be if the first sock is
asked by Steffi 
Discrete Math
15 Please calculate P(EF) given P(FE)=0.3, =0.25 and P(E)=0.6
asked by Peace 
Financial math
Taylor is purchasing a home for $235,000. She is putting 20% down. She has qualified for a 30 year mortgage at 4.5% APR. Calculate her monthly payment.
asked by Kay 
Ethics in Tech
In the absence of laws, businesses can form __________ to reduce positional arms races. A. campaign committees B. cooperative agreements C. task forces D. networks im confused between B n C
asked by Amy 
Discrete Math
12 A computer science department has a probability of 0.35 that a senior receives a job offer in IT before graduation. Random select 8 senior students • What is the probability that 5 students received offers before graduation? • What is the
asked by Peace 
Calculus
I'm not sure how to do this; I figured I should use separation of variables but I got the wrong equation. Help is appreciated, thanks! If dy/dx=(1+x)/(xy), x > 0, and y = –4 when x =1, when x =3, y = ? A. 6.433, −6.233 B. 3.898, −3.898 C. 4.711,
asked by ashley 
math
X1012 y2147 What is the rule for the function shown in the table? A.y= 1/3x+1 B.y=3x+1 C.y=1/3x D.y=1/2x+1 Is the answer B??
asked by bad with math 
algebra 2
what is the degree and leading coefficient of 10x^3=3x^2x+7?
asked by elvin 
Math
1.) What is the formula for the nth term of the arithmetic sequence that has a common difference of 8 and a first term of 4? 2.) What is the formula for the nth term of the geometric sequence that has a first term of 2 and a ratio of 3?
asked by Jamie 
math
A ship leaves an island (5°N, 45° E) and sails due east for 120 hours to another island. Average speed of the ship is 27 knots. (a) Calculate the distance between the two islands (i) In nautical miles (ii) In kilometers (b) Calculate the speed of the
asked by kudu 
History
Politicians are most likely to make laws with shortterm benefits and longterm costs because a.) they do not understand economics b.) they are not worried about the future c.) they wish to please voters today d.) they thing the laws are necessary
asked by Madeline 
math
a person had to drive 1417 miles. They drove 9 hours a day for 3 days. How many miles per hour did they drive?
asked by Allie 
Trigonometry
Suppose I'm graphing a graph like j(x) = 2 sin 4x. How can I tell if the origin is an xintercept for it?
asked by Anonymous 
Calculus
What are the coordinates of the point on the graph of f(x)=(x+1)(x+2) at which the tangent is parallel to the line with equation 3xy1=0? a)(3,2) b)(1,0) c)(0,2) d)(1,6) To answer this, I put f(x)=(x+1)(x+2) into the form f(x)=x^2+3x+2 and found the
asked by Sara 
Discrete Math
14 There 2 dies. One is 8 sides (octahedral die) and another is 6 sides (normal). All are fair dies. a. What is the expected value when the 2 dies tolled together b. What is the variance when the 2 dies tolled together
asked by Peace 
Discrete Math
Determine where the big O(g(x)) for following functions • F(x)=2xlogx+1 • F(x)=3x 2x +1 • F(x)=4x 2x 3x +4 • F(x)=( x +1)/( x +4) • F(x)=(x+1)/(x4
asked by Peace 
History
Write the centuries and period (AD/BCE)each of the following date from AD2000 I.1200 years ago II.500years to come.
asked by kurangam 
Math
Evaluate : 2x^2  9x+7 when x=7/2
asked by Preia 
Science
What type of tissue do you think the wall of the villi is made from? Is it connective tissue or maybe epithelial tissue?
asked by Anonymous 
Math
Reduce the fraction: 5,040/59,400
asked by Preia 
Economics
At the present price of $20 per unit, the firm is selling 2000 units of a good. It believes that the price elasticity of demand for the good is  1.0. If the price is lowered to $18, then the buyers would be expected to buy a) 1800 units b) 2000units c)
asked by celina 
math homework
Michael went into a comic book store to pick up a few of his “much wanted” comics. There are about 4 different Batman issues, about 5 different Star Wars issues, and about 2 different Superman issues to choose from. Exactly how many combinations are
asked by Betty 
Discrete Math
There are 8 black balls and 8 white balls in a box and cannot be seen through: • How many balls must be picked up in order to guarantee there are three balls having the same color • How many balls must be picked up in order to guarantee there are three
asked by Peace 
Calculus
If 3(a,3,2)2(3,b,b)=(3,1,2) determine a and b. Describe the set spanned by the vectors. I don't know how to answer this
asked by Sara 
Math
Find the volume of the solid generated by revolving the region bounded by y=x+(x/4), the xaxis, and the lines x=1 and x=3 about the yaxis. I've drawn the graph and I understand which part is being rotated, but I'm having trouble setting up the equation.
asked by Eliana 
physics
just a question out of curiosity... Why is it that when you stretch a rubber band between your thumbs the same length both sides of the rubber band make two different sounds? Is it because the sound waves are at different velocities or frequencies?
asked by jake 
Math
Mr. Register went out for enchiladas. After eating as much as he could consume the bill ended up being $317.24( they were really good enchiladas, and there were alot of them)The tax rate is 8.5 % and a gratuity of 15% was automatically added ( after tax)
asked by Preia 
Math
For each of the following , simplify by combining like terms : 4x^3y+5x(6xy7y^2)  8y(9x^210xy)  11xy^2
asked by Preia 
math
A bag contains 9 black marbles and 1 white marble. What is the probability of the event that is complementary to the event of drawing a black marble from the bag? a. 1/10 b. 1/9 c.8/9 d.9/10
asked by Ellie evans 
Discrete Math
13 Define F as failed in the diagnostic test that P(F)=0.08 and A as failed in the real test. Given a student was failed in the diagnostic test, the probability he/she is also failed P(AF)=0.90. The conditional given the student was not failed in the
asked by Peace 
Math
A department store received a shipment of dresses together with the bill for $3245.50. Some of the dresses were not as ordered ,however ,and were returned at once. The value of the returned dresses was $143.15 . The terms of the billing , provided the
asked by Preia 
Math
3xy   x 2  when x = 1.3, y = 2/5
asked by Preia 
Algebra 1
(2y^1)^2  (4y)^2 The answer is supposed to be 64 but I can't seem to get it. Thanks to anyone who can help!
asked by Halle 
Algebra
The following equation is quadratic. f(x)=(x7)(3x2) What are the xintercepts of the graph of the related equation y=(x7)(3x+2)? A) 7 and 2/3 B) 7 and 3/2 C) 3/2 and 7 D) 2/3 and 7
asked by Ashley 
Math 12
What is the probability of being dealt four cards of a kind in a five card hand? I know it is 0.00024, but I need this as a fraction and I don't know how to do that.
asked by Anonymous 
Science
How does the structure of epithelial tissue function to prevent dehydration?
asked by Anonymous 
Math
Reduce the fraction: 5,040/59,400
asked by Preia 
Math
Shelly and Andy are playing a game using a number cube and flips the coin. What are all possible outcomes during one turn? How many outcomes are in the sample space?
asked by Pat 
Math
Use the order of operations to simplify each of the following : a) 4*3^3 54÷6+5^2 b)3143 [2^5 (9 4 ) ^2 +3]^2
asked by Preia 
Science/Conversion
Please help me with this How do I convert 10ug/mL to: 1) 100ng/ul 2) 100ng/100ul Thanks
asked by Venice 
Math
For each of the following, simplify by combining like terms : a) p ( q  r )  q ( p r )  r ( p q ) b) 23ab  12bc^2  12ba  13bc^2
asked by Preia 
Math
Which of the following expressions is equivalent to (2x^5 y^2)^4 A. 16x^20 y^8 B. 8x^10 y^8 C. 8x^9 y^6 D. 16x^9 y^6 E. 16x^20 y^8
asked by Anonymous 
English
1. We can turn off the switch when we go out home. 2. We can turn off the switch when we go out of home. 3. We can turn off the switch when we go out of my home. 4. We can turn off the switch when we go out of our home.  Are these sentences
asked by rfvv 
Math
A square which is 7 inches on a side is removed from a triangle which is a base and height of 14 inches. What is the area of the remaining region?
asked by Preia 
Health
Which medication for the treatment of alcohol abuse has been approved by the Food and Drug Administration? A. Baclofen B. Acamprosate C. Topiramate D. Quetia C ?
asked by #1me 
Math
Which is NOT true about the Table? x: 1  2  3  4  y: 1  4  9  16  A. it shows a linear function B. x increases by 1 each time C. the rate of change is not constant D. y increases by a different value each time D please check
asked by Anonymous 
cultural diversity
what is a metalinguistic strategy designed to shape a child's concept of print
asked by Doris 
Science
Does the circulatory system make hormones, or merely distribute them after they are made in endocrine tissues?
asked by Anonymous 
algebra please help
9x3+7x2y+5xy2+7y3 find the product of the polynomials
asked by Ann 
Math
3(9+x)=33
asked by Christine