Questions Asked on
December 3, 2015

English/SS
How did people react to Aristophanes' satire in Ancient Greece?
asked by Anonymous 
Chemistry
In a certain process a block of lead with a mass of 150g undergoes a temperature drop of 55.0 Celsius. In the process of 1072 J of heat energy is released from the Lead. What is the specific heat of Lead.
asked by Chico 
Roque
An equal number of pennies, dimes, and quarters were used to convert $18 to coins. How many coins, in total, were used?
asked by Tricia 
Physics Check My Work Please
A 8 kg block is moving with an initial speed of 6 m/s on a rough horizontal surface. If the force is 12 N, approximately how far does the block travel before it stops? *I have: V^2=Vi^2+2ax 0=(6 m/s)^2 + 2(9.8 m/s^2)(x) 36 m^2/s^2 = 19.6 m/s^2(x) x =
asked by Jose Luis 
Physics Check My Work Please
Determine the minimum angle at which a roadbed should be banked so that a car traveling at 20 m/s can safely negotiate the curve if the radius of the curve is 200m. * Data: v=20 m/s r=200m *Formula TAN(theta)=v^2/rg *Solution TAN(theta)=(20
asked by Jose Luis 
stafford elementary school
A car is stopped at a red light. The light turns green,and the car turns right around a corner. Which property of the car is changing? A: position only B:speed only C:direction only D:acceleration
asked by Sabah 
PreCalculus
Draw the picture and find the area of the parcel of land. Circle your to partial areas and your total area. You start herman a corn and walk 300 yards due north. Then, you turn N 63 degrees E and walk 260 yards. Then, you turn S 55 degrees E and walk 240
asked by Ash 
open a coffee shop
how to start a coffee shop???? like assignment.
asked by mamun 
math
the sum of two numbers exceeds their product by one. their differences is equal to their product less five . find the two numbers
asked by seraphine 
pysics
an artillery piece is pionted upward at an angle of 35degree with respect to the horizontal and fire a projectile with a muzzle velocity 200meter per second .if air resistance is negligible to what height will the projectile rise.
asked by asma 
physics
a brick of mass 2.0kg is dropped from a rest position 5.0m above the ground what is its velocity at a height of 3.0m above the ground [g=9.8meter per second square
asked by asma 
Chemistry
How do i prepare 17% HNO3 from 69%70.5% HNO3 of 1.42g/ml density
asked by Zhuky 
math
how can i solve for x given this?? pls. show detailed solution..just can't figure it out.thanks in advance! 6cosx+3cos35cosx3sin35sinX=7cosx
asked by cara 
math
How do you write "3 December 2015" in 5 letters without using numbers ?
asked by fasana 
math
Maresol spent 4/5 of her allowance on a pair of jeans.If she received $15 for allowance,did Maresol spend more than,less than,or equal to $15 on the jeans?
asked by thomas 
math
Derek ran 3/8 of a race he had to stop for a break.If the race is 6 miles long,did Derek run more than,less than,or equal to 6 miles before he took a break?
asked by thomas 
Maths
The sum of n numbers of geometric progression is GP=(2^n+1)1. Find the first term and the common difference.
asked by Vincent 
math
Dee used 2 1/3 cups of sugar for a cake recipe.If the amount of sugar the container holds is 3 times the amount she used,does the container hold more than,less than,or equal to 3 cups of sugar
asked by thomas 
physics
ahmed throws a ball at initial velocity of 36 meter per second.assuming the ball is caught at the same height at which it was released. calculate the maximum distance the ball can reach.
asked by nuzhat 
College of Medicine ;University of Malawi
what is the ph at 25 degrees Celsius of a solution made by dissolving a 5.00 grain tablet of aspirin in 0.500 litres of water? The tablet contains 0.325g of the acid HC9H7O4. ka=3.3*10^4mm=180.2g/l
asked by Andrew 
Maths
The sum of three consecutive numbers is 365,find the numbers. X^2+y^2+z^2=365 x^2+(x+1)^2+(x+2)^2=365 After solving x=10 or 12 The nymbers are 10,11,12.
asked by Vincent 
Minanga elementary schol
Five consecutive whole numbers has s sum of 225.what is the largest number
asked by Princess 
salwan boys sr. sec. school
show that the line x+y=5 touches the circle x²+y²2x4y+3=0.also, find point of the contact.
asked by suraj 
Math
Two angles of a quadrilateral are supplementary. One of them is 4 less than twice the other. What is the measure of the larger angle?
asked by Jose Adolfo 
physics
particle A makes a elastic collision with another particle B at rest.they fly apart in opposite directions with equal speed.if their masses are Ma and Mb respectively ,then relations between Ma and Mb.
asked by Bn sharma 
PHYSICS
two masses m1 = 12 kg and m2 = 13 kg are connected by a light inextensible string passing over a frictionless pulley. Find (a) acceleration of the system when released from rest (b) tension in the string ?
asked by Camz 
Probability
A 3letter word is made from the word HAPPY. Find the probability that the word contains two letter P's.
asked by Stelle 
Math
If rosario noticed that the distance from the pole in the center of the tetherball circle to the painted circle was about six feet. Then what was the radius of the tetherball
asked by Alicia 
Army day seconday school
A metal X with relative atomic mass 56 forms an oxide with formula X2O3 . All grams of the metal combine with 105 of CO2 (O=16)
asked by Akponojivi 
Maths
The sixth term of GP is 16 and the third term is 2.Find the first term and common ratio. 6th term =16 3rd term=2 So ar^5=16 and ar^2=2, then divide. So r^3=8, and r^3 =2^3. Therefore r =2 and a=1/2
asked by Vin Mwale 
Army day seconday school
An object weighs 0.30N in air and 0.25 when fully immerse in water and 0.27M immersed in a liquid. Calulate (a) loss of weight in water (b) its relative density of turning (c) relative density of the liquid
asked by Akponojivi okiemute 
statistics and probability
When a die is rolled and a coin(with heads and tails) is tossed,find the probability of obtaining, (a). Tails and an even number. solution. A={HH,TT,HT,HT} B={HH,TH} (b). A number greater than 3 SOLUTION. let event C=(AuB) P(C)=P(AuB)=P(A)+P(B)P(AnB) =3/4
asked by masinde 
statistics and probability
A shipment of 20 computers contains 4 defective machines.Two computers are selected at random without replacement and tested for being detective. (a). is this a binomial experiment? why or why not solution. Yes. because each trial can result in just two
asked by masinde 
statistics and probability
Jeremy sells a magazine which is produced in order to raise money for homeless people.The probability of making a sell is independently 0.09 fr each person he approaches.Given that he approaches 40 people,find the probability that he will make; (a) Two or
asked by masinde 
statistics and probability
scores on a nationwide professional qualifying exam, have a mean of 600 and a standard deviation of 50.A random sample of 100 examinees was selected.The sample mean was 360.what was the standardized value or zscore of the sample mean in this instance.
asked by masinde 
statistics and probability
Find x and y so that the ordered data set as a mean of 42and a median of 35. 17,22,26,29,34,x,42,67,70,56,y soln: 17+22+26+29+34+x+42+67+70+56+y= 363+x+y (363+x+y)/11=42 y=99/x x is median
asked by masinde 
math
how can i solve for x given this?? pls. show detailed solution..just can't figure it out.thanks in advance! 6cosx+3cos35cosx3sin35sinX=7cosx
asked by Cara 
PreCalculas
1.Write the equation of the conic section with the given properties: A hyperbola with vertices(0,6)(0,6)and asymptotes y=3/4x and y=3/4x. 2.Write the equation of the conic section with the given properties: An ellipse with vertices(0,5)(0,5)and a minor
asked by Anonymous 
math
What is the Pythagorean Theorem?
asked by kia 
physics
a 2.0 kg solid mass has an apparent weight 12.34N when totally immersed in water. Calculate the apparent weight of the body when totally immersed in a liquid of density 0.78
asked by jay 
Microeconomics
Give Three Examples of how savings can be channeled into productive investment?
asked by Alisha 
Curriculum Areas
1. Using macaroni in child’s art project A. Is a creative use. B. Should be done only with supervision. C. Should be discouraged because. D. Isn’t a good idea; young children might try to eat it. 2. The use of rhythm instruments in a music program A.
asked by Anonymous 
math
How do u write "03 December 2015" in 5 letters without using numbers ??
asked by tarun vishwakarma 
Maths urgent
Solve.√(2)sec(x)+tan(x)=1 0≤x≤360
asked by Rabinprakash Dahal 
Holy Family Secondary School Sokoto
a body is projected at an angle of 60degree to the horizontal with a velocity of 150m/s calculate the time it take to reach the greatest height
asked by Mary Uchendu Chika 
Social Studies
Give one reason why the United States should not buy the Louisiana territory.Describe another way that the USA could ship products around the world without using the city of New Orleans.
asked by Lourdes 
Algebra
I need help please. 9.The owner of a computer store received a shipment of computers at cost of $319.85 each. If he sells the computes for $412.99 each, what is the percent of markup? Round to the nearest whole percent. 23% 29% 77% ****??? 79%
asked by Lele 
Programming c++
a sales report. Each record in the file contains a customer's number and name, a sales amount and a tax code. The tax code is to be applied to the sales amount to determine the sales tax due for that sale, as follows: Tax code Sales tax 0 Tax exempt 1 3% 2
asked by Faris 
MATH
You get paid $12 per hour and need to make at least $460 this week to pay your bills. How many hours do you need to work this week?
asked by Problem Solving 
math/technology
What is the frequency of brownhaired people in the sample? (In the sample there is one person with brown hair named Cathy in slot 3 and a person named Samantha with brown hair in slot 4) a. 3 and 4 b. 2 c. 4 d. 3 I think it is either a. 3 and 4 or b. 2,
asked by theoneandonly 
History
2.)Which is the most likely reason George Washington refused a third term as president? A.)He felt a third term would give one man too much power. B.)He didn't think the citizens would support him for a third term. C.)He did not want to be away from his
asked by YRN DJ 
sms
A 16oz bottle of water costs $1.44. What is the cost per ounce?
asked by Anonymous 
Please Check: College Physics
A 8 kg block is moving with an initial speed of 6 m/s on a rough horizontal surface. If the force is 12 N, approximately how far does the block travel before it stops? *I have: V^2=Vi^2+2ax 0=(6 m/s)^2 + 2(9.8 m/s^2)(x) 36 m^2/s^2 = 19.6 m/s^2(x) x =
asked by Jose Luis 
Please Check My Work: College Physics
Determine the minimum angle at which a roadbed should be banked so that a car traveling at 20 m/s can safely negotiate the curve if the radius of the curve is 200m. * Data: v=20 m/s r=200m *Formula TAN(theta)=v^2/rg *Solution TAN(theta)=(20
asked by Jose Luis 
Math
In an ap the5 th and 10 th terms are in ratio 1:2 and the 12th term is 36 find a and d
asked by Anonymous 
statistics
true or false if there were 15 difference scores in a matched pairs design then there were 28 participants in the study
asked by tammie 
Maths
A rectangle is 5cm longer that it is broad. It perimeter is 26cm. Find the length and breadth of the rectangle
asked by Mutiat 
Math
A landscaper installs 12 sections of trellis. Each section is 3/4 yards long. How many yards of trellis are installed altogether?
asked by Logan 
Physical Education 110
1. One of your friends plays video games for at least six hours each day and gets upset when he has to go eat dinner with his family. This is a sign of an anxiety disorder.•• a phobia. bipolar disorder. an impulsecontrol disorder. 2. A phobia is an
asked by Alex 
Physical Education 1115
11. __________ can help you reach your goals. (1 point) Eustress•• Distress A phobia A compulsion 12. Which of the following is NOT typically a stressor? (1 point) going for a walk•• missing the bus a fire alarm blaring a final exam 13. A person
asked by Alex 
Physical Education 1620
16. Identical twins often have similar interests even if they were not raised together. This shows how _______ influences personality development. modeling. a peer group. the environment. heredity.•• 17. People who lack selfrespect likely have (1
asked by Alex 
Programming Logic and Design
Design an application that accepts eight friends' first names and displays them in alphabetical order
asked by Charles 
maths: Lowest common multiple
Hot dogs are sold in packages of 12 while hot dog buns are sold in packages of 8. Help me! Don't know what to do! (a) How many packs of each should you buy to have the same number of hot dogs and hot dog buns? (b) How many hot dogs in buns would you have?
asked by liam 
math 2 questions plz help asap
1) Mr. customs is correcting the class's math homework on customary units. which of the following measurements is reasonable? A. a pencil is 12 feet long B. the back porch is 12 inches wide C. the 3rd hole on the golf court is 123 miles long D. the
asked by Jenna Brenn 
Sign Language??
Using the sign for PAST is the way to add the equivalent of ed to a signed word in ASL A) True B) False What type of sentence are you signing when you also shake your head back and fourth? A) Statement B) Question C) Negative In ASL the suffix ed can be
asked by Alexia Smith 
Maths
How to write 3dec 2015 in five letters
asked by Aishu 
Earth Science
Which of the following is not a process that forms metallic ore? placer deposits *** fossil compaction hydrothermal solutions igneous processes 5. Which of the following nonmetallic mineral resources is used both as a building material and as an industrial
asked by Anonymous 
Comm Tech
3.)What Inference can you make about why George Washington never made himself a king? A.)He believed in a government ruled by the people , & even though he had the respect of many people, he didn't want to be treated like royalty. B.)He knew there were no
asked by YRN DJ 
Pre calculus
Find the domain of the function. f(x) = sqrt 6x A. (∞, 6) (6, ∞) B. (∞, sqrt6 ) (sqrt 6 , ∞) C. (∞, sqrt6] D. (∞, 6]
asked by Alex 
Sign Language?
Using the sign for PAST is the way to add the equivalent of ed to a signed word in ASL A) True B) False*** What type of sentence are you signing when you also shake your head back and fourth? A) Statement B) Question C) Negative*** In ASL the suffix ed
asked by TOP / 
Earth Science
Which of the following is not a process that forms metallic ore? placer deposits *** fossil compaction hydrothermal solutions igneous processes 5. Which of the following nonmetallic mineral resources is used both as a building material and as an industrial
asked by Anonymous 
Language art 7th grade
Hi, I have a question that says 7. Which word describes the word choice in the following sentence? Perhaps the craziest characteristics of a loon is its weird call, which sounds like someone cackling, a high  pitched laugh. A). traditional B). Informal
asked by Help me please 
english
what is popular is it a adj?
asked by Misty 
Geometry  Proofs
Given : ABCE is a rectangle. D is the midpoint of CE. Prove : AD is congruent to BD . Statements  Reasons 1. ABCE is a rectangle. D is the midpoint of CE .  1. Given 2.
asked by SkatingDJ 
Physics
A stone is aimed at a cliff of height h with an initial speed of v = 36.0 m/s directed 75.0° above the horizontal, as shown in the Figure below by the arrow. The stone strikes at A, 6.25 s after launching. What is the height of the cliff?
asked by Kevin 
History
5.)Which of the following is the best explanation of the XYZ affair that took place during John Adam's presidency? A.)Adams tried to purchase three naval ships (X,Y, & Z) from France demanded much more money than the ships were worth & adams rejected the
asked by YRN DJ 
english
is have a lv?
asked by Misty 
Pre calculus
Find the domain of the function. f(x) = 2x + 4 A. (∞, 0) u(0, ∞) B. (∞, ∞) C. [4, ∞) D. (0, ∞)
asked by lexi 
Math. Please help :(
Write a translation rule that maps the point D(7, 3) onto point D'(2, 5)
asked by Dimpleess 
physics
A catapult on a cliff launches a large round rock towards a ship on the ocean below. The rock leaves the catapult from a height H = 32.0 m above sea level, directed at an angle theta = 47.3° above the horizontal, and with a speed v = 35.5 m/s. Assuming
asked by danniel 
math! URGENT!!!!!
can someone please help me and show me how to work out percent change from $1.55 to $2.60
asked by lilly 
Geography
I need to know why light has no mass
asked by Afiz 
Physics
A 3006 caliber hunting rifle fires a bullet of mass 0.0101 kg with a velocity of 279 m/s to the right. The rifle has a mass of 3.46 kg. What is the recoil speed of the rifle as the bullet leaves the rifle? Answer in units of m/s.
asked by Elisabeth 
Calculus
At time t (in days), the size S of a population of butterflies is given by the formula s= 600/1+49(0.6)^t. When does the maximum growth rate occur?
asked by Leslie 
algebra
third term using the recursive rule f(1)=.2 for f(n)=2f(n1)/5 + 1
asked by Anonymous 
health
what is a type of complex carbohydrate that does not get broken down or absorbed into the bloodstream but is a beneficial nutrient to include in a recipe.
asked by ........................ 
Physics
Two ice skaters stand at rest in the center of an ice rink. When they push off against one another the 61kg skater acquires a speed of 0.63 m/s . If the speed of the other skater is 0.86 m/s , what is this skater's mass?
asked by Amanda 
Health
What indicators would warn you that the team is planning this transition to an electronic health information management system is not functioning well? Where can I find this information or what sub title would be appropriate for this question.
asked by Traci 
PreCalculas
Write the equation of the parabola 1.Vertex(2,5) Focus(2,3) 2.Directrix=x=3/4 Focus(5/4,3) For 1. i got(x2)^2=32(y5)^2 For 2. i got y=8x^220x61/60
asked by Ryan 
Geography
Which countries in south america have the highest literary rates?
asked by Anonymous 
algebra
college football coach wants to know if the is a correlation between his players' leg strength and the time it takes for them to sprint 40 yards. he sets up the following test and records the data: Every day for a week, he counts how many times each player
asked by ....... 
Pre calculus
Find the domain of the function. f(x) = 2x + 4 A. (∞, 0) u(0, ∞) B. (∞, ∞) C. [4, ∞) D. (0, ∞)
asked by lexi 
Physics
On a frictionless horizontal air table, puck A (with mass 0.255 kg ) is moving toward puck B (with mass 0.365 kg ), which is initially at rest. After the collision, puck A has velocity 0.118 m/s to the left, and puck B has velocity 0.649 m/s to the right.
asked by Amanda 
Civics
The president of the United States is the head of the executive branch and plays a large role in making America's laws. His job is to approve the laws that Congress creates. When both chambers have approved a bill, they send it to the president. In order
asked by HELP ME PLEASE LIKE PLEASE 
Math
Traveled 68 miles first day second day traveled 10 fewer miles third day traveled 85 miles. How many miles did they travel
asked by Tiana 
Algebra 2 (Math)
What is the equation, in standard form, of a parabola that contains the following points? (2, 20), (0, 4), (4, 20)
asked by Reese 
Chemistry
What is the maximum mass of copper(ii) sulphate pentahydrate, CuSO4.5H2O, which could be obtained by crystallizing the solution? Ar: H=1; O=16; S=32; Cu=63.5 I'm not looking for someone to do it all, although that would help. Just that someone could give
asked by Owen 
math
In a grand prix automobile race, Speedy Ryder averaged 110 miles per hour for the first half of the course and 130 miles per hour for the second half of the course. Cannonball Carter maintained a constant speed of 120 miles per hour throughout the race.
asked by DC 
sampling distributions & parameter estimation
A "Friendliness Test" has a mean of 50 and a standard deviation of 9. Treat these values as parameters. A sample of 9 participants take the test. What is the expected mean? What is the standard error of the mean for samples of size N=81?
asked by Jasmine 
Easy math question
Find the inverse of the onetoone function. f(x)= (2x+5)/7
asked by Samantha 
Social Studies
Which fact supports the claim that Southeast Asia has diverse cultural influences?
asked by ArtsyGirl1001 
Mathematics
An open box is made from a square piece of sheet metal 19 inches on a side by cutting identical squares from the corners and turning up the sides. Express the volume of the box, V, as a function of the length of the side of the square cut from each corner,
asked by sexana 
math
A local Dot Dress Shop is selling a suit for $99. Because of changing styles, the first markdown was 8% and second markdown was 25%. The suit still did not sell, so a final markdown of 10% was taken. The sale price is currently:
asked by tyronne 
Fianance
A taxexempt bond was recently issued at an annual 8 percent coupon rate and matures 20 years from today. The par value of the bond is $1,000.
asked by Tan 
Physics
Help Needed Please... After changing a tire on your car, you need to tighten one of the lug nuts to the proper specified torque of 49.0 N m. How much force is needed if you're pushing down on the end of the 39.0 cm long torque wrench at an angle of 120°
asked by Anonymous 
math
carmen is a girl scout camp counselor and needs to assign scouts to tents. She noticed that if two scouts were assigned to each tent then six girls would have no tent. On the other hand, if four scouts were assigned to each tent then there will be three
asked by DC 
Physics
Help Needed Please... After changing a tire on your car, you need to tighten one of the lug nuts to the proper specified torque of 49.0 N m. How much force is needed if you're pushing down on the end of the 39.0 cm long torque wrench at an angle of 120°
asked by Anonymous 
Simple pre cal
Is the relation a function? {(14, 9), (15, 8), (8, 7), (1, 9), (15, 2)}
asked by maddie 
biology check answers please
The HersheyChase experiment proved that DNA was the hereditary material because. a) radioactive phosphorus in viral proteins was shown not to enter bacterial cells b) radioactive phosphorus in viral DNA was shown to enter bacterial cells **** (my choice)
asked by sammy 
Pre calculus
Use the given conditions to write an equation for the line in pointslope form. Passing through (5, 7) and (8, 6)
asked by maddie 
Math
Solve the following systems of equations: 2x+y=1 4x+y=1 (3,1) (1,3) (1,3) (1,3) Could someone please help. I'm confused on how to solve this. Thank you!
asked by Mason 
Chemistry
Ammonium carbonate decomposes upon heating according to the balanced equation: (NH4)2CO3(s) > 2NH3(g)+CO2(g)+H2O(g) Calculate the total volume of gas produced at 27.0 degrees C and 2.03 atm from the reaction of 1.4kg of (NH4)2CO3. What is the pressure of
asked by Stephanie 
math
Can you tell me what, (in greatest to least) the order is... 1/2, 4/5, 5/6, 2/3 7/8, and 1/4. this will be greatly appreciated.Thx.
asked by Dan 
maths
If there are 65% girls in a class and there are 12 more girls than boys then how many boys are there in the class?
asked by sdey13 
Applied Mechanics
A mass of 4kg rest on a rough table with coefficient of force 0.4. Find tje force sufficient to move it horizontally.
asked by david agom 
PreCalculas check
Write the equation of the parabola 1.Vertex(2,5) Focus(2,3) 2.Directrix=x=3/4 Focus(5/4,3) For 1. i got(x2)^2=32(y5)^2 For 2. i got y=8x^220x61/60
asked by Ryan 
Algebra
A 6 m by 9 m swimming pool is surrounded by a deck which has a constant width. How wide is the deck if its area equals the area of the pool? I got 6*9=54 so for the deck xy=54 but I don't know where to go.
asked by Allie 
Health
Trans fat can be best be limited in the diet by (A) Drinking lowfat milk (B) Eating chicken instead of beef (C) Eliminating milk. (D) Limiting baked goods.
asked by I need help 
Science
How do I measure Delta H^degree for the reaction that occurs when reagents A and B are combined: A + B ? Please note that each prepared flask contains 100mL. Also, you can assume the heat capacity of the aqueous solutions is equal to the heat capacity of
asked by Sammantha Avants 
math
The height in meters of a projectile launched from the top of a building is given by h(t)=5t^2+60t+15, where t is time in seconds since it was launched. a) How tall is the building? b) At what time does the projectile hit the ground? C)What is the
asked by mike 
Health
amino acids are chains of smaller links chemically bound together that get absorbed into the bloodstream after eating which nutrient A)Carbohydrates B)Fat C)Fiber D)Protein I think it is protein
asked by trololololololololol 
math
how many minutes will it take the car to travel 19 1/5 km?
asked by Lakshmi 
Science
Hannah is comparing a rock from a riverbed and a rock from deep underground. One is very smooth, and the other has very rough edges. Explain why each rock was probably found in that location. Answer: The rock that is very smooth is likely to be the one
asked by Bunny Funny 
Chemistry
A mixture of H2 and water vapor is present in a closed vessel at 20°C. The total pressure of the system is 755.0 mmHg. Partial pressure of water vapor at 20°C equals 17.5 mmHg. What is the partial pressure of H2?
asked by Katlen 
physics
Calculate the gravitational force in N between a 17.3 kg object and 14.8 kg object that are separated by 1.02 m
asked by ciara 
math
There are some caps in a box. 1/6 of them are red, 1/3 of them are blue and 3/7 of the remainder are green. If there are 27 green caps, how many caps are there altogether? How should I solve this?
asked by Claire 
organic chemistry
A methyl ether (SN2 product) can form as a byproduct in the sodium methoxide reaction. What is its structure? Provide the mechanism for the formation of the methyl ether product, in addition to answering the question.
asked by caili 
organic chemistry
Because alcohol protons are reasonably acidic and easily undergo exchange, it is important that the base be matched to the appropriate solvent. Explain why it would be virtually impossible to sort out the factors the size of the base or the stability of
asked by jacob 
precalc
Is triangle ABC scalene, isosceles, or equilateral if A = (4, 6) B = (4, 2) and C = (0, 2)? Why?
asked by Patricia 
math
I need help with magnitude estimates. They are really hard for me . Please help!
asked by 5th grade 
applied mechanics
A force of 10N is needed to move a mass of 2kg resting on a table. Find the coefficient of friction. ( take g=9.8m/s)
asked by david agom 
Chemistry
a sample of a compound with a mass of 0.4168g is extracted from a plant. Decompostion of this sample produces 0.1667g of carbon, 0.2223g oxygen, and the remainder is hydrogen. What is the percentage compostion (by mass) of the compound?
asked by Cali 
Spanish/History
Which empire was the largest in both Americas before the arrival of the Europeans? A. Inca B. Aztec C. Maya D. Cherokee I'm not sure if A or D but I think it is one of the two. Can anyone help me?????
asked by Tori 
Mathematics
Determine the points of intersection of the curve: y=(74x)/(x4) and the line y=2x1
asked by John 
grammar
Calipers were set and verified at 5 mm.
asked by kerston 
Math
write the first 10 multiples of 3
asked by Claire 
Algebra
1. What is the slope of the line that passes through the points (2, 5) and (1, 4)? A. 3 B. 2 C. 1/3 *** D. 1/3 2. A line has a slope 5/3. Through which two points could this line pass? A. (12, 13) and (17, 10) B. (16, 15) and (13, 10) *** C. (0, 7)
asked by Help! :) 
Math
Fifteen Grade 2 children rode bicycle to school. Seventeen Grade 3 children rode bicycle to school. How many children in Grades 2and3 rode bicycles to school?
asked by Alex 
Math
If a pole cast a 20 foot shadow and a tree that's 8 foot cast a 5ft shadow how tall is the pole also tell me how you solved it
asked by Rebecca 
health sciece
A person with the credentials of R.D. would make a credible author for an article providing nutrition information.
asked by Anonymous 
Math!
f(t) f(x) = 6x2 I cannot answer as I am confused into how I would solve it.
asked by John Doswell 
Social Studies
USA studies weekly think & review week 16
asked by Bhargav 
Math
2:7 small shape is 16,22,28 feet what's what's the perimeter of big shape
asked by Rebecca 
Mathematics
Solve the inequality: (4x+3)/(x1) ≤ 2
asked by Joe 
Math
Tony hikes the woods 6.6 miles on a map 1cm=12 miles what on map representation hiking trail
asked by Rebecca 
Geometry
How would you write the name of a segment differently than the name of a line? what symbols would you use? How is constructing a perpendicular bisector similar to constructing an angle bisector? how is it different? Describe a process you would use to
asked by Ashley 
Biochem
Calculate the pH of the buffer system of 0.20M K2HPO4/0.25M KH2PO4
asked by Yeah 
Math
ABC and def are equal both are 5:1 what's edf C is 47° triangle is the shape
asked by Rebecca 
Math Help!
f(t) f(x) = 6x2 I cannot answer as I am confused into how I would solve it. Help
asked by John Doswell 
astronomy
A possible trajectory for sending a spacecraft to Mars is an elliptical orbit with Earth at its perihelion and Mars at its aphelion. The craft would be launched out of lowEarth orbit by a quick burst of rockets into solar orbit, and would then "coast''
asked by johan 
Math
1. Suppose y varies directly with x. Write a direct variation equation that relates x and y. y= 7 1/2 when x=3 a. y= 3/2 x b. y= 2/3 x c. y= 5/2 x d. y= 2/5 x 2. Suppose y varies directly with x. Write a direct variation equation that relates x and y.
asked by Kaai97 
part of speech grammar
was carefully push technique carpal thenar longitudinal what are these? adjective adverb noun pronoun verb
asked by kerston 
gammar
longitudinal what is it? adjective adverb noun pronoun verb conjunction preposition
asked by kerston 
math
the current I in an electrical conductor varies inversely as the resistance R of the conductor . the current is 4 amps when the resistance is 280 ohms . what is the current when the resistance is 40 ohms ?
asked by austin 
math
The table shows the outputs y for different inputs x: Input (x) 3 7 11 15 Output (y) 4 6 8 10 Part A: Do the data in this table represent a function? Justify your answer. (3 points) Part B: Compare the data in the table with the relation f(x) = 5x – 21.
asked by brittany 
Math
A 8kilometer roadway under construction is being completed at space of onelength of its length per week. After 5 weeks, how many meters remain to be completed? Help? hard..
asked by Kristine 
math
The width of a rectangle is (5x7). Find the polynomial equation reppresenting the area of the rectangle if its lenght is three more than four times as long as its width
asked by jerome 
math
A right circular cylinder with d = 13.0 m, h = 4 m
asked by Kristine 
Math HELP!
f(t) f(x) = 6x2 I cannot answer as I am confused into how I would solve it.
asked by John Doswell 
Math
Find the surface area of a right regular square pyramid with a side and a slant height of 9in. Help I know its tricky??
asked by Kristine 
Math
The area of a rectangle increase 5/8 of a square inch as the width increase 1/8 of an inch how many square inches does the area increases if the width increases 1 inch?
asked by Chayse 
Math
Please answer ! Answer everything! A right rectangular prism is intersected by a horizontal plane and a vertical plane. The cross section formed by the horizontal plane and the prism is a rectangle with dimensions 8 inches and 12 inches. The cross section
asked by Anna 
math
the amount of jens month phone bill is normally distributed with a mean of $69 and a standard deviation of $10. what is 68.26% of phone bill between?
asked by A 
Plane trigonometry
A pulley having a diameter of 36 cm is turned by a belt that moves at the rate of 5m/sec . How many revolutions does the pulley make per/sec?
asked by Dhara Mae Tejor 
English
Choose a sentence that does not contain a helping verb: (1) Erica is climbing the steepest trail. (2) She will not go to the very highest peak. (3)She wants a photograph of the valley below. (4) Has she ever made the climb before? *Those are the four
asked by Grace ^^ 
Geomertry
Points c,a,b are connected to form a triangle along the surface of a sphere. Points R,E,N are connected to form a triangle on a euclidean. What is true between spherical and euclidean geometry?
asked by bigvol 
Geomertry
In cetrain triangles can a median be a perpendicular bisector, altitude and an angle bisector?
asked by Honeymoney 
Geomertry
Points c,a,b are connected to form a triangle along the surface of a sphere. Points R,E,N are connected to form a triangle on a euclidean. What is true between spherical and euclidean geometry?
asked by pizzarolll 
English
What is the use of the bear box? 1. It is for keeping travelers' food safe. 2. It is used for keeping travels' food safe. 3. It is for storing travelers' food. 4. It is for putting travelers' food. 5. It is for putting all their food in. (Are they all
asked by rfvv 
Math
What are the two words hidden in these letters, loubnftnianeg?
asked by Nathella 
Algebra II
Find 2 positive numbers who differ by 8 and whose reciprocals add to be 1/3
asked by jim 
math
can you list these fractions 1/6, 1/4, 1/3, 1/2, 2/3,3/4 and 5/6
asked by joe 
Physics Help Needed
Two blocks are connected by massless string that is wrapped around a pulley. Block 1 has a mass m1=6.90 kg, block 2 has a mass m2=2.30 kg, while the pulley has a mass of 1.70 kg and a radius of 12.2 cm. The pulley is frictionless, and the surface mass 1 is
asked by Anonymous 
math
The equation y = 1.6x represents the number of laps Henry can swim over time, where y is the number of laps and x is time in minutes. The table shows the number of laps Larry can swim over time. How many laps can each boy complete per minute, and who can
asked by liliana 
Math
Determine the angles if sin= 1/2 My answers were 11pie/6 and 4pie/3 ?
asked by Kim 
Geometry
You are given two dice to roll. One is black with six sides; the other is white with four sides. For a given roll, what is the probability that the values of the dice add to 99?
asked by Kylie 
MATH
f(t) f(x) = 6x2 I cannot answer as I am confused into how I would solve it.
asked by John Doswell 
Math!
Consider the functions defined by f(x)=6x2, g(x)=x^24x+1, find the following: f(t) g(a)
asked by John Doswell 
English
1. Ever since he was a baby, he suffered from a serious illness. 2. Ever since he was a baby, he has suffered from a serious illness. ============= Which one is correct? Are both grammatical? Then what is the difference in meaning between them? The
asked by rfvv 
Science
Which of the following is an example of matter? Leaves Shadows Light from the sun* Sound
asked by Issac2003 
Honors Chemistry
Predict Products and write balanced equation FeBr3 + 3Ba(0H)2
asked by Jon 
Science
Which of the following is an example of a chemical property of matter? ability to melt* Ability to freeze Ability to react Ability to break
asked by Issac2003 
econ
Samsung has a constant marginal cost of 20 and that market demand is given by Q= 6005P. Find its optimal price and output and profit.
asked by diana ngari 
math
verify sin0/sin0+cos0=tan0/1+tan0
asked by s 
Algebra 1
given the scatterplot below,which of the following equations would best model the date?explain your choice.(1)y=3x+6 (2)y=6(2)x (3)y=4xsquared+20x+3 (4)y=2xsquared6x+4
asked by lauren 
Chemistry
1) Balance the following equation in basic conditions: 2CoCl2 + Na2O2 > 2Co(OH)3 + 4Cl^ + 2Na^+ 2) Balance the following equation in acidic conditions: H3AsO3 + I2 > H3AsO4 +2I^
asked by Green 
English
Does a cover letter need a date at the top?
asked by Anonymous 
physics
A hiker begins a trip by first walking 25.0 km 45.0° south of east from her base camp.On the second day she walks 40.0 km in a direction 60.0° north of east, at which point she discovers a forest ranger’s tower.Find the magnitude of the displacement
asked by jasmeen 
Math
A plane is flying on a course with a vector of , where the 250 is the speed due north, and the 100 is the speed due east. The wind is blowing where the directions are also north and east, in the same order. How fast is the plane flying? All values are in
asked by April 
College Algebra
A loan of 25,000 is made at 3.75% interest, compounded annually. After how many years will the amount due reach 42,000 or more?
asked by charlene 
Math
cotA = tan(90degrees A) True or False The vectors and are orthogonal True or False 2 = 16 True or False * = + = Find c if a = 3, b = 5, and A = 30degrees=
asked by April 
Math
cotA = tan(90degrees A) True or False The vectors and are orthogonal True or False 2 = 16 True or False * = + = Find c if a = 3, b = 5, and A = 30degrees=
asked by April 
math
What is the probability of getting a license plate that has a repeated letter or digit if you live in a state that has one numeral followed by two letters followed by one numeral? (Round to the nearest whole percent.)
asked by austin 
precal
A small ferris wheel: A student is riding a 20mdiameter ferris wheel that is making three revolutions per minute. If there are eight equally spaced seats on the Ferris wheel, then what is the length of the arc between two adjacent seats?
asked by jackie 
chemistry
how many grams of the solid can be formed from 206g of calcium nitrate and 140 g of phosphoric acid? answer in grams. I really need help and fast.
asked by Grace 
precal
A small ferris wheel, a student is riding a 20mdiameter ferris wheel that is making 3 revolutions per minute. What is the area of the sector between 3 of the seats (3/8) of the wheel?
asked by vanessa 
math
find the slope of the line and a point on the line y4= x+5 I got that the slope is 9 correct? then how do I find a point on the line?
asked by jill 
AP Physics
The Eiffel Tower is 300 m tall. When you are standing at a certain place in Paris, it subtends an angle of 7.0°. How far are you, then, from the Eiffel Tower?
asked by 