Questions Asked on
January 24, 2017

Calc 2
Differentiate the function: y=sqrt(xe)^x^2(x^2+1)^10
asked by Anonymous 
Math
Verify [4×(2)]×5=4×[(2)×5] if they are equal,write the appropriate property.
asked by Jaswanth 
Chemistry
How many moles of carbon are in a 28.0g sample? I have no idea where to start
asked by Tyler 
Spanish
Which popular physical activity in the Spanishspeaking world would you prefer to participate in? Why? Write you answer using as many Spanish words as possible. What are some Spanishspeaking world activities?
asked by PleaseHelpMe777 
Algebra
Why/how does the exponent of 1/2 mean the square root?
asked by Jish 
Math
A guy travels to his home which takes 4 1/3hrs and a distance of 350km, he travels 60km/h for the first part and 90km/h for the rest of the journey. Find: An equation for the distance An equation for the time Detemine the distance he travelled for the
asked by Gopikrishnan 
Science
Provide 3 statements that demonstrate the importance of units when describing motion. I don't fully understand the question, can someone please explain it to me a little more?
asked by Reeces 
Math
an employee is paid $3600 for the first month. she is paid an additional 1% at the end of the second month, which means a total of $3636. she continues to receive a 1% raise each month for a full year. what is her total salary at the end of the year?
asked by Peter 
College Stats
Suppose that two random variables X1 and X2 have a bivariate normal distribution, and Var(X1) = Var(X2). Show that the sum X1+X2 and the difference X1− X2 are independent.
asked by Sophia 
Algebra
Greg ate 1 3/5 of the pizza and Sam ate 2 1/2 of the same pizza how much did they eat together?
asked by Anonymous 
Math
The acute angles of a right angle triangle are in the ratio 4:5,then find the acute angle.
asked by Jaswanth 
Math
In 20 spins, how often can you expect to get a number evenly divisible by 2?
asked by Janallene Allan 
Grade 6, ratio
The ratio of the number of one dollar coins in a box was 3:4.six one dollar coins were removed & some fifty cent coins of the same amount were added.the ratio of the number of one dollar coins to the number of fifty cent coins then became 1:3.what was the
asked by Peachie 
chemistry
Using the electron configuration of nickel (Ni), identify its magnetic character. a. ferromagnetic b. paramagnetic c. no magnetic character d. diamagnetic
asked by cool 
Math
Abby has 45 dogs and ciara has 8000 dogs.Add the dogs 8000 +. 45
asked by Bob 
English
How did the elephant save the life o prous
asked by How did the elephant save the life of porus 
Math
~~~~WARNING HARD MATH~~~~ An integer from 100 to 999, inclusive, is to be chosen at random. What is the probability that the number chosen will have 0 as at least 1 digit? Multiple Choice: Underline or circle the letter that best solves the question. a)
asked by KawaiiChan 
Math grade 6, ratio
A certain sum of money was shared among three friends a,b,&c.a received 3/7 of the sum of money & b got 2/3 as much as a.c received $49 less than a.find the ratio of b's money to c's money.how much moneydid c receive?
asked by Peachie 
Science
If an Iron block had a length of 2 cm, and a width of 3 cm and a height of 1 cm and a mass of 33 g between what two liquids would it float?
asked by Tywan 
Math
Find interest and total amount paid,if a person take a loan of Rs.6500 for 4 years at 9% rate of interest per annum
asked by Jashu 
Science
Find the work done when a 25kg weight is lifted to a vertical height of 2.0m from ground ...
asked by Hema 
America Government
Do you think our country's history would be different if the Articles of Confederation had remained as our constitution? Yes, I do think our country's history would be different if the Articles had remained as our constitution. Being that this government
asked by Anonymous 
algebre
in the abcd parallelogram ad=10 units ab= 8 units ac=12 units ed= 4.5 units bd=
asked by Anonymous 
math
I need help please! What is the solution set? −2.8x+5.6
asked by faith 
help with trigonometry??
Jacob is standing 112 m from a building. The angle of elevation when he looks up to the top of the building is 62°. How tall is the building? I don't really understand how to solve this, please help!!
asked by Valerie 
chemistry
2. 50.0 mL of 1 M NaOH(aq) and 50.0 mL of 1 M HNO3(aq), both initially at 18.6°C, were mixed in a Styrofoam cup calorimeter. The temperature of the solution rose to 25.4°C. How much heat was released? Assume that the heat capacity and density of the
asked by punch 
Algebra
A load of 12 kg stretches 15 cm and a load of 30 kg stretches 18 cm. Find the natural (unstretched) length of the spring.
asked by Kelly 
Maths
The diameter of a bicycle wheel is 14 cm.What is the distance covered by it in 50 revolution
asked by Muhammad 
Accounting
On 2015 January 1, Jackson Company purchased equipment for $440,000. The equipment has an estimated useful life of 10 years and an estimated salvage value of $40,000. If Jackson uses the straightline depreciation method, what is the depreciation expense
asked by Jala 
Microeconomics
A computer company produces affordable, easytouse home computer systems and has fixed costs of $250. The marginal cost of producing computers is $700 for the first computer, $250 for the second, $300 for the third, and $350 for the fourth, $400 for the
asked by Alexys8 
American Government
Do you think our country's history would be different if the Articles of Confederation had remained as our constitution? yes, I do think our country's history would be different if the Articles had remained as our Constitution. Power was given to the
asked by Anonymous 
art
why did the artist most likely color the hair against a black and white background (1 point) A: to illustrate a person that is very organized B:to illustrate a person with limited imagination C:to illustrate a creative personality D: to illustrate a calm
asked by emoji lover 
Math
Ramana buys 8kgs tomatoes. If the cost of 5 kgs is 65.How much will ramana pay
asked by Jashu 
DAV; subject biology
What are bio  degradable pollutant?
asked by harish 
English
Give the best analogy. Slavish is grovel as_____ 1. gluttonous is to overeat 2. pen to paper 3. incorrigible is to obey 4. deference is to direspect answer: 1.
asked by Kimmy 
math
A circular field is surrounded by a circular path. The radius of the field is 15 m , and the radius from the center of the field to the outer edge of the path is 20 m .
asked by kandy 
English
Give the analogy. Exonerate is to condemn as____. 1. subjugate is to control 2. eat is to drink 3. Purloin is to steal 4. set free is to confine ANSWER: 4
asked by Kimmy 
Trig
Solve equation for 0 less than or equal to theta less than 360. 31/5*tan(theta)=16/5
asked by Sally 
science
How a comet changes when when it comes close to the sun? It explodes***
asked by Jayda 
Geometry probability
Betty picks 4 random marbles from a bowl containing 3 white, 4 yellow, and 5 blue marbles. The probability that exactly 1 of the 4 marbles drawn is blue is _____ (I know that the probability is 5/12 and that simplifies to 0.4166 but that is not one of the
asked by Emily 
Social Studies PLZ hurry
1. The treaty of Paris, sighned after the seven years' war, gave ______ Complete control of canada. A)Great Brittain *** B)France C)The US D)Spain
asked by Anonymous 
English
Give the correct form of the word " ostensible" . He complimented Mary's mom, ostensibly to make a good impression on both women. answer: ostensibly
asked by Kimmy 
english
_____ provided constitutional justification for segregation for almost sixty years.
asked by Anonymous 
Math
4. The ordered pairs (0, 0), (2, 4), (4, 8), and (6, 12) represent a function. What is the rule for this function? (1 point) y = x +2 y = 3x y = x + 4 y = 2x
asked by ................ 
Languages, Spanish
you are dinning at a restaurant in Argentina at 9:30 n the evening.(Dinner) What meal are you most likely eating? A) el almuerzo (This is Lunch, so not this one) B) La Sena *** C) El desayuno Thank you!
asked by Morgan 
math
A walkway forms a diagonal of a square playground. The walkway is 24 meters long to the nearest tenth of a meter. How long is the side of the playground?
asked by ranz 
SS
Which phrase best describes the shift in power in Iraq since independence? A:From Democracy to Monarchy B:From Dictatorship to Monarchy C:From Democracy to Dictatorship D:From Monarchy to Democracy I think it is B or C. Thank you for your help
asked by Jaden 
Math  Algebra 1
A field must be fenced in. There is 212 yards of fencing material to be used. What should the dimensions of the enclosed area be to ensure that is has the largest area possible? Dimensions_____________________
asked by Lauren 
Math  Algebra 1
Each cow eats 4.5 cups of feed a day and the bucket it comes in contains 250 cups. The buckets cost $26.75 each. If a farm has 16 cows, how much will it cost to feed all of the cows for 1 week? (system of equations) Cost____________________
asked by Lauren 
math
∠6+ ?
asked by luivi 
Physics
Can someone add me on skype and tell me answers to my physics test tomorrow, I pay good?
asked by Pen15 
Chemistry
write a balanced nuclear equation for the reaction that occurs when uranium335 absorbs a neutron and undergoes fission to produce 3 neutrons, bromine65 and another nucleus.
asked by Leila 
maths .social science .technology.english
A train travelling at anaverage speed of 100km/h covers a certain distance in 3 h 36 minutes .at what avarage speed must the train travel to cover the same distance in 2h 30 minutes
asked by lindo 
Trig
Thank you Steve for all your help.
asked by Sally 
Physical Science
Rank from largest to smallest atomic radius. To rank items as equivalent, overlap them. O, S, Se, Po, Te
asked by Hannah 
Math geometry
The measure of an angle is twenty more than three times it's supplement. What are the measures of each angle?
asked by Karen 
Math
Do you think that advertised discounts are always the best deal? Why or why not? What is a realworld scenario in which the discount is not the best price? Think back to when you bought an item on sale or by using a discount. How did you determine the sale
asked by Anonymous 
applied mechanics
a motorist driving his car at a speed of 72km/hr observes that the traffic lights ahead of him turns red if he comes to a halt at the traffic light 5seconds starting from first find the distance of the car from the light when the motorist observed the red
asked by toly 
Social Studies
Hi, I need help on a test. One of the questions I need help on is: "Gross Domestic Product, or GDP, is best defined as A. Money paid to the government in taxes to support public goods and services, B. The value of all goods and services produced within
asked by DustyRose<3 
French
Fill in the blank with the correct form of the verb Avoir: J'______ un chien. ai **** my choice as avez a
asked by UprisingFury 
contrast sceince
Contrast mitochondria and chloroplasts.
asked by Agala 
math
dy/dx+(1/x)y=3x^2y^3 find the solution using Bernoulli equation
asked by tish 
Math: Geometry
2. Name four line. Segments that have point B as an endpoint. A. AF, CH, AE, BE B. BA, BF, BC, BH 3. AF, CH, AE, BE 4. BA , BF, BC, BH Please help!
asked by Please Help! 
Social studies
Which of the following phrases might a Republican Congress have used to describe President Johnson's Reconstruction plans
asked by Mel 
social studies
Which was the main idea of the great migration to the United States in the late 1800s and early 1900s? 1)the need for workers in the U.S. 2)political unrest in Europe 3)religious persecution in Eastern Europe 4)scarcity of land and money******
asked by dream 
English
Is it correct to write. 'Speeches by the guests'. Is the usage of two plurals correct. Please let me know at the earliest.
asked by Seema 
Physics/Energy
A cop of mass of 90.0 kg is chasing a robber and runs up 5 flights of stairs in 20.0 sec. The cop has gone a vertical distance of 12.0 m. Determine the amount of work done by the cop to get to this height.
asked by Nana 
Math
3. Which of the following appears to be an irrational number? A. 3.72727272 B. Square root 64 C. 6/5 D.073303330 Plzz help My answer is c
asked by Snoop 
Calculus
Solve the quadratic equation by factoring. (Enter your answers as a commaseparated list.) 5x2 − 23x = −12
asked by jay 
Trig
4=5+cos(theta)
asked by Sally 
Math
There are 144 people in an audience. The ratio of adults to children is 5 to 3. How many are adults? PLEASE HELP!
asked by Madi 
social studies
in this question which was the main cause of the great migration to the United States in the 1800s and early 1900s. a. the need for workers in the US b. political unrest in Europe c. religious persecution in Eastern Europe d. scarcity of land and money I
asked by wondering 
English
Insert semicolons in the following sentences as needed. In some sentences, semicolons will replace commas, Above the sentence, write the words before and after the semicolon. 1. At the market Flora selected strawberries, which were on sale, a pineapple,
asked by HAYDEN 
Anonyms
What is the perimeter of a square which has the same area as a circle with circumference of 4π?
asked by mystery 
math
A construction company needs to remove 416 tons of dirt from a construction site. They can remove 89 tons of dirt each hour. What is the total number of hours it will take to remove the dirt?
asked by angie 
Calculus
Piecewise function x if −2≤x≤0; x^2 if −2
asked by Po 
physic
150g of ice at 0 degreecelcius is mixed with 300g of water at 50 degreecelcius.calculate the temperature of the mixture.
asked by damilola 
Algebra
Factor each: f(x)= x^3 + 7x^2 + 10x f(x)= 5x^3 19x^2  4x
asked by Alice 
Check my answers, Physical science
my answer has the **** 1. What is the smallest part of all matter called? (1 point) * a. Element b. Atom***** c. Molecule d. Compound 2. Which of the subatomic particles is negative? (1 point) a. Nucleus b. Neutron c. Proton d. Electron*** 3. Who provided
asked by Anonymous 
Algebra
Six times a number less ten is equal to two times the same number plus four.
asked by Don 
maths
the first termn of an exponential sequence (GP) is greater than the fourth term by 13.5 and the fourth is greater than the third by 9.Find:the common ratio and the first term.
asked by sherif 
Calculus
Find the equation in standard form for the line that satisfies the given requirements. horizontal line through (−8, −9)
asked by Anonymous 
Math
jeff has 12 more toy cars than toy trucks. In all, he has 19 toy vehicles. How many toy trucks does Jeff have?
asked by JB 
Geometric Progression.
The fifth of an exponential sequence (GP) is greater than the fourth term by 13.5 and fourth term is greater than the thrid by 9.Find:common ratio and the first term.
asked by AREMU 
Math
Henry needs to cut a 4 2/3 foot board into 5 equal pieces. How long was each piece?
asked by Greg 
Math
Katie is baking cookies. She only wants to make 3/4 of the recipe. She needs to take 3/4 of the 2/3 cup of sugar. How much sugar does she need?
asked by Greg 
PSYCHOLOGY
1. ___________ is a method of treatment for mild to moderate cases of emotional and mental disorders that uses a process of patient discovery. (1 point) 2. The work of __________ is the foundation of psychotherapy. (1 point) 3. Psychotherapy is a(n)
asked by PSYCH HELP PLEASE!!!!! 
Math
together Paul and Jack and $72 twice as many cars as if she's three cars how much did they charge to watch explain how you know.
asked by jayona 
@ nathan
Cheaters are not welcomed on Jiskha. You've been banned from posting for asking for answers.
asked by Ms. Sue 
science
A weight of 10N is supported by 2 strings AB and AC tied to a horizontal support.The strings makes an angle of 30 degree and 60 degree inclined respectively to the horizontal support.calculate the tention T1 and T2 in the strings
asked by fuseini 
Math
Put the fractions in order from smallest to largest 3/5 1/8 5/10
asked by Dil 
integrated science
Two individuals on roller blades push off each other.One weighs 45 kg and the other weighs 40 kg.who will travel further and why.Is the force balanced or unbalanced
asked by emily 
Math
Tricia spent $12 to rent skates. She rented them for 4 hours. What number sentence states how much it costs to rent skates for one hour?
asked by Judi 
science
what is the relationship between mass and gravitational potential energy?
asked by please help im confused 
Math  Algebra 1
A field must be fenced in. There is 212 yards of fencing material to be used. What should the dimensions of the enclosed area be to ensure that is has the largest area possible? (system of equations) Dimensions_____________________
asked by Lauren 
math geometry
Find the area of the triangle defined by the coordinates (3, 4), (7, 0), and (3, 4).
asked by angel 
Trig
2+1/3tan(theta)=2 I know that tan=0 0,180 But i don't know how to figure it out. Please help.
asked by Sally 
financial literacy
A college professor's compensation package includes the total cost of a $350permonth health insurance plan, the total cost of a $45permonth life insurance plan, and a salary of $65,000 per year. What is the yearly value of the compensation package?
asked by Anonymous 
math
Write a system of equations to describe the situation below, solve using substitution, and fill in the blanks. Ella is starting a business selling handmade necklaces. She has decided to invest an initial amount of $57 for advertising, and materials cost $7
asked by dmoney 
Science
A car is moving down a straight road.Suddenly a cat jumps in front of the car.The driver slams on the breaks and the passenger goes flying forwards.Why?What law of Newton applies to this situation?
asked by Emily 
trig
Reiny 2+1/3*tan(theta)=2 How do you get 0? Thanks for your help.
asked by Sally 
Science
A football player makes a tackle to stop a touchdown.What will happen to the offensive player?What law of motion applies and why?
asked by Emily 
chemistry
2. 50.0 mL of 1 M NaOH(aq) and 50.0 mL of 1 M HNO3(aq), both initially at 18.6°C, were mixed in a Styrofoam cup calorimeter. The temperature of the solution rose to 25.4°C. How much heat was released? Assume that the heat capacity and density of the
asked by owen 
physics
A football player makes a tackle to stop a touchdown.What will happen to the offensive player?What law of motion applies and why?
asked by Emily 
physics
A car is moving down a straight road.Suddenly a cat jumps in front of the car.The driver slams on the breaks and the passenger goes flying forwards.Why?What law of Newton applies to this situation?
asked by Emily 
Math
A soccer field has a perimeter of 26 yards.if the width is 8 yards,how long is the length?
asked by Aj 
Calculus
y = 2 cos(5πx) .... whats the period?
asked by Anonymous 
Specify a Period on the graph
y = 2 cos(5πx) .... whats the period?
asked by jay 
Standard Form
Find the equation in standard form for the line that satisfies the given requirements. passing through (1, 5) and (2, 6)
asked by jay 
Standard Form
Find the equation in standard form for the line that satisfies the given requirements. horizontal line through (−8, −9)
asked by jay 
find the equation
Find the equation in standard form for the line that satisfies the given requirements. slope −3, xintercept (8, 0)
asked by jay 
Physics
A bicyclist starts from rest and accelerates at 4 m/s^2 for 3 seconds. The cyclist then travels for 20s at a constant speed. How far does the cyclist travel? I got 138 m but I'm not sure if I'm right?
asked by Swa 
chem
Using the equation 2H2 + O2 ==> 2H2O, determine how many grams of water is produced when 29 moles of oxygen is consumed
asked by erika 
Find the equation of the perpendicular line
Find the equation of the perpendicular line passing through the midpoint of the line segment connecting (−2, 7) and (7, −1).
asked by jay 
math
Martha read 1/6 of her book on Saturday and 5/12 of her book on Sunday how many more pages do she have to read
asked by crystal 
chem
Using the equation 2H2 + O2 ==> 2H2O, determine how many grams of water is produced when 29 moles of oxygen is consumed
asked by erika 
Math
3+1/4*cos(theta)=13/4 Please help really confused. I was given the answer as 1 but how do I figure it out. I know you are suppose to subtract 3 from both sides but how do i do that with the 13/4?
asked by Haley 
Physics
Two parallel plates, each charged equally and oppositely to the other, are separated by 3.6000 cm. A proton is let go from rest at the positive plate's surface and, at the same time, an electron is let go from rest at the negative plate's surface. What is
asked by Impossible 
Math
What is the greatest odd number less than 250 ? Exlplain how you know.
asked by Mariah 
physics
The positive and negative plates of a parallelplate capacitor have an area of 1.05 cm by 1.05 cm. Their surface charge densities are +1.00×106 C/m2 and 1.00×106 C/m2, respectively. A proton moving parallel to the plates enters the middle of the space
asked by Henry 
Geometry
If each of the sides of an isoceles triangle is 5 x the size of the baseline and the perimeter of the triangle is 121 cm, how many centimeters is each of the sides of the triangle? I have the sides at 50 cm and the base at 21cm. ?
asked by Lucas 
Math
2:x and 12:18 identify the value of x that makes each pair of ratios equivalent A.(3) B.4 C.6
asked by Help I need somebody not just anybody 
Math
Which numbers make the equation true? 47+___>70 a.10 b.20 c.30 I am extremely confused on how to assist my daughter in solving this, due to this being common core math. Could you please direct me on how to solve problems such as this? than you in advance
asked by Mya 
Math
There are 44 students and 6 adults attending a field trip to an art museum. What is the ratio of adults to children? 1.44:6 2.(6:44) 3.6:60 4.44:60
asked by Help I need somebody not just anybody 
Chemistiy
Arrange these acids from weakest to strongest: HClO2, HCN, HF, HCl Ik the order is : HCN < HF < HClO2 < HCl but how exactly does one come to that conclusion with no necessary given information (Ka values?). Is there a way to memorize? or a trick? to know
asked by Stacy 
math
find each product mentally.12*4 3/4
asked by Lily 
Algebra
A box contains blue and purple pens. There are 6 less than triple the number of blue pens as purple pens. A blue pen costs 20 cents and a purple pen cost 35 cents. The total value of all the pens is $37.90. How many of each colour pen is their?
asked by Annabelle 
Math
On a scale drawing, the scale is 1/4 inch = 1 foot. What are the dimensions on the scale drawing for a room that is 18 feet by 16 feet?
asked by Suray 
Math
which of the following ratios are equivalent 5/20? Choose all that apply. A. (1/4) B. 1/5 C. (20/100) D. 25/100
asked by Help I need somebody not just anybody 
Math
There are 3 boxes of tangerines. Each box has 93 tangerines. The tangerines will be divided equally among 9 classrooms. How many tangerines will each classroom get?
asked by Tiffany 
math
find each product mentally 6*4.4
asked by Lily 
Math
Find the value that makes the pair of ratios equivalent 1. 8 2.(7) 3.6 4.5
asked by Help I need somebody not just anybody 
math
Leah has two same size rectangles divided into the same number of Equal parts. One rectangle has 1/3 of the parts shaded and the other has 2/5 of the parts shaded. What is the least number of parts into which both rectangles can be divide?
asked by diana 
medical termonolgy
what are advantages and disadvantages of using medical terminology?
asked by deb 
Physics (9th)
Sasha is driving straight and notices an antelope in the road a ways off. Determine the stopping distance (from the time she sees the antelope) for her car with an initial speed of 95 km/hr and an acceleration of 4.0 m/s2. Sasha's reaction time to start
asked by Jay 
economics
given the following information, calculate nominal GDP, real GDP, and the percentage increase in year two. Be sure to label the answers. Describe what is taking place in the economy. In the base year, 10 new cars were sold at $7,000 each, 20 new office
asked by A 
6th Grade Social Studies
What was the main effect of the repeated exiles of the Jews?
asked by Anonymous 
physical science
How much heat is absorbed by a 30g iron skillet when its temperature rises from 24oC to 93oC? Joules do i addition everything?
asked by jake 
Science
The fruit of an oak tree is called an acorn. You observe a squirrel gathering and burying acorns. Several months later, you observe an oak seedling growing in the area where the squirrel buried an acorn. What conclusion can you draw about oak tree
asked by Help I need somebody not just anybody 
Physics
The output voltage and current of a transformer are determined by the A. number of turns in the primary and secondary coils. B. ferromagnetic material of the rings connecting the coils. C. strength of the DC current in the primary coil. D. direction of the
asked by Saif 
Physics
Sasha is driving straight and notices an antelope in the road a ways off. Determine the stopping distance (from the time she sees the antelope) for her car with an initial speed of 95 km/hr and an acceleration of 4.0 m/s2. Sasha's reaction time to start
asked by Jay 
physics
a brick is dropped form the roof of a building. On the way down it passes a 2m high window and is observed to pass from the top to the bottom of the window in 0.25s. (a) How fast was it moving when it passed the top of the window? (b)How far below the roof
asked by Anthony 
Econ
Washington's Production Possibilities Table (in tons) Product: A B C D E F Apples: 40 32 24 16 8 0 Bananas: 0 4 8 12 16 20 Oregon's Prudction Possibilities Table (in tons) Product: A B C D E F Apples: 75 60 45 30 15 0 Bananas: 0 5 10 15 20 25 Based on the
asked by Abby 
Math
A dessert recipe calls for2 1/2 cups of milk how. Many cups of milk are needed for 8 servings?
asked by John 
Teacher aide
Please help me does anyone know the questions for curriculum content in teacher aide?
asked by Pam 
Physics
Charge +Q = +7.10 nC is uniformly distributed along the right half of a thin rod bent into a semicirle of radius R = 3.60 cm, while charge −Q = −7.10 nC is uniformly distributed along the left half of the rod. What is the magnitude and direction of the
asked by Gordon 
Math
WebWork = 28% Four exams = 6% each A final = 28% Labwork = 20% Suppose you obtain 100 percent credit on all WeBWorK assignments for this class. What is the minimum average percentage on the exams and labwork that will still get you an A in this class?
asked by Jamie 
Chemistiy
Sb forms more than one type of ion. List two possible ions this atom forms and explain why they occur. Would it have to do something how in its electron configuration it ends of with 5p^3 meaning it is half full and half empty? Help me out please i am
asked by Stacy 
English
1. Violence on television is more of a recent problem. (What other similar expressions can we use instead of 'more of'? Do you use 'more o' often?) 2. There is only so much (that)you can read in magazines and newspapers. (Can we insert 'that' in this
asked by rfvv 
Math
Mrs.Johnson baked 2 dozen cookies. Two third of the cookies were oatmeal . How many oatmeal cookies did Mrs. Johnson bake
asked by Camelia 
physics
How much heat is absorbed by a 30g iron skillet when its temperature rises from 24oC to 93oC? Joules do i addition everything?
asked by jake 
Math
The dressmaker has 3/8 yard of fabric. She needs a total of 3/4 yard for a vest. How much more fabric does she need?
asked by Miranda 
Math
How do you find P if A=1/2a+P, and you have both the values of a and A?
asked by Mary 
PreAlgebra
I need help on a word problem because it doesn't have enough numbers to work with. So here it is: There are 19 animals in the barn. Some are geese and some are oxen. There are 56 legs in all. How many of each animal are there? So, for the first equation, I
asked by Help 
English
Like, I know someone that has to watch TV every night before he sleeps in order to wind down.  Q1. Does 'Like' mean 'You know' or 'Guess what'? Q2. Does 'wind down' mean 'relax'? Dow you use those expressions frequently?
asked by rfvv 
Math
The cost of producing x units of a product is given by C(x)=800+120x−120ln(x),x≥1. Find the minimum average cost, which is defined as C(x)/x (the total cost divided by the number of units). Minimum Average Cost =
asked by Zach 
Math
A company runs food service concessions for sporting events throughout the country. Their marketing research department chose a particular football stadium to test market a new jumbo hot dog. It was found that the demand for the new hot dog is given
asked by Bob 
Math
Plot points on the number line to represent all values that round to 500 when rounded to the nearest hundred and 450 when rounded to the nearest ten
asked by Paige 
Prealgebra
ughhhhhh! PA is so hard! my teacher is constantly comparing us to the regular math saying that if we can't figure it out then we should ask them. What does that even mean? we are more advanced! anyway... this website helps so much. Im definitely going to
asked by Julia 
Math
Where do I insert parentheses to make this number sentence true: 6 X 4  2 x 5 + 6 / 2 =16
asked by Mmw 
Calculus
A manufacturer buys $280,000 worth of machinery that depreciates linearly so that its tradein value after 10 years will be $30,000. Express the value of the machinery (V) as a function of its age (t).
asked by jaaaay 
Physics
Julie throws a ball to her friend Sarah. The ball leaves Julie's hand a distance 1.5 meters above the ground with an initial speed of 17 m/s at an angle 34 degrees; with respect to the horizontal. Sarah catches the ball 1.5 meters above the ground. 1) what
asked by Yolanda 
chemistry
Ethanol has an enthalpy of evaporation of 38.6kJ/mol, and a normal boiling point of 78.4oC. What is the vapor pressure of ethanol at 15oC? Hint: the normal boiling point is when the vapor pressure reaches 1 atm. Use, . Pay attention to use right units
asked by KO 
Physics
If the current in a wire is directed upward, what is the direction of the magnetic field produced by the current? A. in the same direction as the current B. in the opposite direction to the current C. clockwise D. counterclockwise I think it is A,is that
asked by Anonymous 
Calculus
Find all the values of (x) in the interval [0, 2Pi], such that sec^2 (x) = 4
asked by Severin 
Math
Factor and find all zeros. One factor has been given. f(x)= x^3+9x^2+23x+15; x+5
asked by Emma 
ELA
Underline the verb or verb phrase in each sentence and then identify whether it is an action verb or a linking verb. 1.) The hardworking plumber was early. 2.) Those secretaries appear very busy this afternoon. 3.) The cab driver was driving extremely
asked by Diane 
Calculus
Compute F'(4) where F(x) = x^3 + X^2 (using the definition of the derivative)
asked by Justine 
6 grade math
Coordinates are of the shape :of part a and b show these coordinates : (2,4), (2,4), (2,4), (2,'4) Problem c: should I use a new figure or I can continue with same shape as part a and b . So how do I enlarge the shape: Draw a figure that is enlarge by a
asked by Jessica 
Calculus
Find two nonintersecting intervals where f(x) +12x^4 + 50x^3 + 80x^2100 has at least one root. Justify your answer.
asked by MArc 
Math
chris cuts boards that are 2/3 feet long. He has a 7/9 foot long board of wood. How many yards can he cut?
asked by Sam 
Econ
If the rate of inflation is 4% per year, how long will it take for prices to double?
asked by Em 
Math
Simplify: (85)^2 x 38 divided by 2
asked by Diane 
Math
Factor and find all zeros. One factor is given. f(x)= 6x^3+7x^21; 2x+1
asked by Emma 
Math
Use the remainder theorem to evaluate f(k), then determine if k is a factor. f(x)=10x^341x^2+32x+20; 5/2
asked by Beth 
Math
Barbara is tiling her craft room floor with square tiles. She wants 6/10 of the square tiles be red. If she uses 18 red tiles,how many square tiles will be used to cover the floor?
asked by Anonymous 
Chemistry
How many grams of AlCl3 are produced when 53.0 g of Al reacts?
asked by Belle 
physics
Two cars (A and B) of mass 1.1 kg collide. Car A is initially moving at 18 m/s, and car B is initially moving in the opposite direction with a speed of 9 m/s. The two cars are moving along a straight line before and after the collision. (Enter the
asked by jake 
Chemistry
How much energy, in calories, does it take to convert 20.0 grams of solid water, at 0.0 degrees C, into liquid water, at 0.0 degrees C? (The enthalpy of fusion for H2O is 1.44 kcal/mol)
asked by Jamie 
Math, Statistics
If P(A)=.3 and P(B)=.45 find… P(A or B) if A and B are 1)mutually exclusive & 2)independent. Also, I need help understanding what independent and mutually exclusive means and what that does.
asked by Jillian 
algebra
A ball is dropped from a height of 30 feet and allowed to bounce until it comes to arrest each time the ball bounces it rebounds to 3/5 of its previous high after which bounce is the boss hi 10.8 feet. I understand the height gets shorter but is there a
asked by Kayla 
maths
In a triangle ABC,D and E are the mid points of BC and AD respectively.prove that the area of triangle ABC is four times to the area of triangle ABE
asked by Mahaboob Basha 
physics
An unstable nucleus with a mass of 18.0 ✕ 1027 kg initially at rest disintegrates into three particles. One of the particles, of mass 5.0 ✕ 1027 kg, moves along the positive yaxis with a speed of 9.0 ✕ 106 m/s. Another particle, of mass 7.4 ✕
asked by jake 
Chemistry
What intermolecular forces are responsible for neoprene's stretchiness?
asked by AP Chem! 
CHEMISTRY
The enthalpy of cimbustion for Octane vapor, C8H18, a component of gasoline, is 5512.0kJ/mol. a. Write the equation for the combustion of Octane, including the energy term. b. Calculate the energy change when 45g of Octane burn. c. Calculate the energy
asked by cool 
Math 11 Foundations
Last year, a local hockey association charged $10 a ticket and averaged 12000 in attendance in its 2000 capacity area. The committee calculated that for every $0.50 decreases in the price of the ticket, there would be 100 more tickets sold. what is the
asked by Jason Keller 
English
What is the meaning behind this quote: you've gotta dance like there's nobody watching love like you'll never be hurt sing like there's nobody listening and live like it's heaven on earth
asked by Andy 
writing
What is a example of a onomatopoeia for a butterfly?
asked by Samantha 
Math 11 Foundations
Sanchez has a garage on his property. He recently purchased a tractor and cannot fit in his garage. To store is new purcahse, he deices to attach a threesided fence to one of the walls of his garage in order to save material. If Sanchez has 60 meters of
asked by Maddi Donald 
Math 11
You've been asked to assits with a grade4 class who will be selling small boxes of wildflower seed mix for Mother's Day. You've been given a stack of construction paper 15cm by 20cm. You must instruct the calss to cut identical squares from each corner,
asked by Kristie Dexter 
Math 11
Cecile took a ferry to corss the St.Laurent River rom SeptIles, PQ to Matane,PQ a distance of 175km. She relizes that it's the same road distance from her home to her cottage in Godbout, PQ. By road, she averages 60km/h faster than the ferry and takes 5 h
asked by Jackson Welch 
Math
Roger needs to fill his exmpty fuel carried for an emergency delivery. He has to pumps that can fill the carrier in 2 hours when both used at the same time. Individually, one of the pumps takes 45 mintues less than the other to fill the empty carrier.
asked by Hunter Cox 
mat
A family left their house in two cars at the same time. One car traveled at an average of 7 miles per hour faster than the other. When the first car arrived at the destination after 5 & 1/2 hours of driving, both cars had driven 599.5 miles. If the second
asked by smith 
writing
What are two butterfly similes and metaphors that rhyme?
asked by Samantha 
Math
A field hockey tournament is to be held in Yellowknife, NWT. According to regulations, the field is 25 yds by 100yds. For officials, support group and team members, a uniform rectangular strip of manicured lawn is to be installed by a local business group.
asked by Sabrina