Questions Asked on
October 9, 2013

Algebra
Marcia buys a dress that is on sale for 15% off its original price. She uses a store coupon to get an additional 10% off the sale price. She pays $91.80 for the dress. What was the original price?
asked by Chang 
math
A poll was taken of 100 students at a commuter campus to find out how they got to campus. The results were as follows: 32 said they drove alone. 33 rode in a carpool. 35 rode public transportation. 9 used both carpools and public transportation. 9 used
asked by Anonymous 
chemistry (DrBob222)
A student fails to fill the cuvette 2/3 full with the reaction mixture ( CV+ and OH). What effect does this error have on the measured absorbance values? Thank you :)
asked by K 
Math
A certain school’s enrollment increased 5% this year over last year’s enrollment. If the school now has 1,260 students enrolled, how many students were enrolled last year?
asked by Anonymous 
chemistry
can calcium hydroxide solution be used to distinguish Co(NO3)2 and Fe(NO3)3 sloutions using only the titration technidue presented in this lab
asked by kendar 
Math
A certain school’s enrollment increased 5% this year over last year’s enrollment. If the school now has 1,260 students enrolled, how many students were enrolled last year? A. 1,020 B. 1,197 C. 1,200 D. 1,255 E. 1,323 I got the answer to be 1200, but
asked by Anonymous 
Algebra
In Mr. Woo's class, 80% of students live more than half mile from school. Of those students 80% come to school by public transportation. Of those students taking public transportation, 75% takes the bus, and 75% of those students buy monthly bus passes.
asked by Carol 
health and fitness
CASE STUDY: CHRIS DOUBLE Chris is a high school student and is eager to gain some muscle mass. He eats a diet that consists primarily of processed foods (fast food, cafeteria, etc.). Chris is anxious to get stronger so that he can go out for the wrestling
asked by Anonymous 
algebra
A poll was taken of 100 students at a commuter campus to find out how they got to campus. The results were as follows: 27 said they drove alone. 30 rode in a carpool. 34 rode public transportation. 4 used both carpools and public transportation. 3 used
asked by Anonymous 
curiousity
Is Jiskha actually helpful?
asked by ??? 
physics
A police car, whose siren has a natural frequency of 620Hz, moves away from a wall and towards a stationary observer at a speed of 30km/h. What is the beat frequency perceived by the observer? If the observer stands between the car and the wall, what beat
asked by David 
Math
In the figure below, points A, B, and C are collinear, and AB and BC are each 6 units long. If the area of ACD is 24 square units, how many units long is the altitude BD? A. 2 B. 4 C. 6 D. 8 E. 12
asked by Abby 
Physics
how can i graph this scenario a hawk flies north 5 miles in 5 min. it turns around and flies south 3 miles in 3 min, then turns back around and flies north 2 miles in 2 min.
asked by Anonymous 
maths
for the curve with equation y=(x^2+1)/(x^24), find (i) the cordinates of the turning point(s) (ii) the equations of the asymptotes (iii) sketch the curve
asked by changaya 
maths
for the curve with equation y=(x^2+1)/(x^24), find (i) the cordinates of the turning point(s) (ii) the equations of the asymptotes (iii) sketch the curve
asked by changaya 
maths
for the curve with equation y=(x^2+1)/(x^24), find (i) the cordinates of the turning point(s) (ii) the equations of the asymptotes (iii) sketch the curve
asked by changaya 
maths
for the curve y=(x^2+1)/(x^24), find: (i). The cordinates of the turning points (ii). The equations of the asymptotes (iii). Sketch the curve
asked by changaya 
maths
how can i skech the graph y=inx/x
asked by mukumpa 
physics
a ball is dropped from a tower of height 5 m. it accelerates uniformly at 10m/s .if mass of the ball is 2 kg ,find the momentum transferred by a ball to the ground on striking.
asked by TINA 
chemistry
how many H2O molecules can be formed from 200 H2 molecules and 200 O2 molecules?
asked by Brittney 
chemistry
why is chlorine gas bubbled through concentrated sodium chloride solution?
asked by refilwe 
statistics
Assume that a population is normally distributed with a mean of 100 and a standard deviation of 15. Would it be unusual for the mean of a sample of 3 to be 115 or more? Why or why not? how can i write this in a mathematical expression?
asked by Aaron 
college physics
A conductor in a shape of a spherical shell of radii 10 and 12cm in charged to 20 micro coloumb. 1) Find the electric field at the following radii: 2,11,15 cm. 2)Find the electric potential at each of these radii. Repeat part 1 and a 5 microcoloumb point
asked by vishal 
Physics
I need to know whether the position of the CG is higher, lower, or at the same level within the body when a person is standing up as when a person is lying down? Why or why not?
asked by Nat 
English
As it turns out, the second thrust accounts for 32 percent of the jellyfish's forward movement, and the kicker is it requires no energy. (Would you check the sentence? Is the sentence grammatical?)
asked by rfvv 
Mendipather college
What are the significant challenges to effective governance in india?
asked by S. Gabil 
PHYSICS
A block of mass m1 = 28 kg rests on a wedge of angle θ = 47∘ which is itself attached to a table (the wedge does not move in this problem). An inextensible string is attached to m1, passes over a frictionless pulley at the top of the wedge, and is then
asked by matt 
MathAlgebra
To save a woman from a building, a fireman placed a 12meter ladder against the wall. The foot of the ladder was 2 meters from the wall. What was the location of the woman?
asked by McKenna Louise 
MathAlgebra
What length will Jem swim diagonally if she wish to reach the opposite corner of a15meter pool which is square in shape?
asked by McKenna Louise 
MathAlgebra
If Noah made skid marks of 350 ft long after a car accident, was he overspeeding before the event?
asked by McKenna Louise 
MathAlgebra
What is the period of the pendulum if its length is 2ft?
asked by McKenna Louise 
Physics
I need to know whether the position of the CG is higher, lower, or at the same level within the body when a person is standing up as when a person is lying down? Why or why not?
asked by Nat 
FEEDBACK CONTROL SYSTEM
Figure below shows the block diagram of a dcmotor control system (note the dcmotor is represented by G(s)= K(s+3)/s(s+1)(s+2).The signal N(s) denotes the frictional torque at the motor shaft. a) Find the transfer function H(s) so that the output Y(s) is
asked by FeedbackHELP!! 
social studies
Which iroquois nations lived the farthest from new york city?
asked by joseph 
math
The distance across the front of the store is 98 yards the distance from the front to the back is one thrid of the distance if the owner paint a sign all the way around the outside how many feet long will be
asked by Anonymous 
Algebra
Solve for "x" in each equation. 1)xsquared+12x+25= 0 2)xsquared+4x12= 0 3)xsquared5x= 50 4)(x+1)squared= 169 5)2xsquared+5x= 12 6)(2x5)squared= 225 7)x4/x3 = x+2/x+1 8)9/2x+1/3= 1/2 9)6/x1= 3/x 10)2x/2x+2x= 4
asked by Cute 
math
Round 9.46531 to nearest hundredth.
asked by kim 
Algebra
Simplify each expression √1.96
asked by Josh 
Science!
Please check my answers! thanks! :) 1. A population of oak trees growing in a region in Canada experiences a change in climate to much colder temperatures and much drier conditions than they have had for many decades. What determines how this population
asked by Kasey 
physics
A block of mass m1 = 28 kg rests on a wedge of angle θ = 47∘ which is itself attached to a table (the wedge does not move in this problem). An inextensible string is attached to m1, passes over a frictionless pulley at the top of the wedge, and is then
asked by matt 
algebra
can some one tell me the simplified cube radical form of (64x^3y^7)^1/3
asked by kim 
Algebra
Estimate the square root. Round to the nearest integer. √242 What I got was 58,584 is this correct?
asked by Josh 
math
can some one tell me the simplified cube radical form of (64x^5y^7)^1/3
asked by roger 
Algebra
Rewrite 2x  3y ≤ 6 in slopeintercept format. I'm really not sure how to answer this question. Can you please guide me through the steps?
asked by Kaliska 
Calculus  help please! :)
1. Given that f(x) = x^2 − 2x and that g(x) = sqrt(x15): A. State (g • f)(x) and (g + f)(x). B. Find all vertical asymptotes of (g/f)(x). C. Determine the domain of (g ○ f)(x). D. Determine the range of (g ○ f)(x).
asked by Samantha 
Chemistry
What is the relationship of the concentration of H3O and of OH
asked by Dee 
Algebra II, i don't get this??
help i don't get these two questions!! 21.What is the range of f(x) = x + 2 + 3? Option A: y is less than 2 Option B: y is less than 3 Option C: y is greater than 2 Option D: y is greater than three 30.What are the coordinates of the vertex of the
asked by Mary Ann 
VNS,Math
A man walked into the road at 4 miles per hour and returned over the same road at the rate of 3 miles per hour. If he completed the entire trip in 7/2 hours,how far in miles in to the roads did he walk?
asked by Nahar 
english
main idea: The idea that women are not equal to men has been a prevailing, common theme in literature since the beginning of time. Like their predecessors, Renaissance writers staunchly laid down the tenet that women were less valuable throughout the pages
asked by ezekiel 
English
Identify the comma splice. A. Sheema applied for a summer internship she accepted a volunteer position at the hospital. B. Sheema applied for a summer internship, she accepted a volunteer position at the hospital. C. Sheema applied for a summer internship
asked by Angel 
vocab
A result from being multiplied A. Product B. Quotient C. Multiplier D. Expression a
asked by t 
English !!!
What is a theme of a story? what is an example?
asked by vickie 
MATH
can some one tell me the simplified cube radical form of (64x^5y^7)^1/3
asked by Anonymous 
physics
A block of mass m1 = 28 kg rests on a wedge of angle θ = 47∘ which is itself attached to a table (the wedge does not move in this problem). An inextensible string is attached to m1, passes over a frictionless pulley at the top of the wedge, and is then
asked by Anonymous 
finance
hey i cant figure this out can someone please help me Gatorade/Tropicana North America, a subsidiary of PepsiCo, produces fruit juices and other flavored beverages. Based on data from 1999 to 2001, the net sales (revenue) of Gatorade/Tropicana North
asked by tina 
chemisty
balancing equations H2+02=
asked by wasef 
Geography (Ms. Sue)
1) When did the Russian Empire expand beyond the Ural Mountains? A: The Russian Empire expanded beyond the Ural Mountains in 1463 to 1598? 2). When did the Russian Empire absorb most of Siberia? A: The Russian Empire absorbed most of Siberia in 1599 to
asked by Anonymous 
physics
A jet airplane is in level flight. The mass of the airplane is m = 8870 kg. The plane travels at a constant speed around a circular path of radius R = 9.55 miles and makes one revolution every T = 0.126 hours. What is the magnitude of the lift force acting
asked by kg90 
physics
A 1310kg racecar is driving around a circular track of radius 153 m. In the instant shown in the figure, the vehicle has a forward speed of 31.7 m/s and is slowing at a rate of 5.35 m/s2. What is the magnitude of the net force acting on the vehicle at
asked by kg90 
physics (elena)
A block of mass m1 = 28 kg rests on a wedge of angle θ = 47∘ which is itself attached to a table (the wedge does not move in this problem). An inextensible string is attached to m1, passes over a frictionless pulley at the top of the wedge, and is then
asked by Anonymous 
algebra
what are the even counting numbers less than 18
asked by Anonymous 
Geography (Ms. Sue)
1). How did the expansion of the Russian Empire affect the ethnic and religious makeup of the region? A: The expansion of the Russian Empire affected the ethnic and religious makeup of the region as it absorbed many of the peoples during the centuries of
asked by Anonymous 
science
3.34 converted to hectometer
asked by Hhhhhh 
algebra
what are the possible subsets of I={6,7}
asked by Anonymous 
Geography (Ms. Sue)
How do Russian foods reflect regional geography? A: Russian foods reflect regional geography as many of the foods, such as rye bread, reflect the large crops of grain produced upon the region's steppes.
asked by Anonymous 
algebra
perform this operation: {4,5,6} U {5,6,7}
asked by Anonymous 
Geography (Ms. Sue)
1). What was the extent of the Russian Empire's expansion between the 9th century and the end of the 17th century? A: The Russian Empire's expansion extended to the Pacific Ocean by the end of the 17th century. 2). What were the origins of the Soviet
asked by Anonymous 
math
perform this operation: ________ {2,7,10}
asked by Anonymous 
chemistry
When cane sugar reacts with oxygen in living systems, carbon dioxide and water are produced. What weight of carbon dioxide can be produced from the reaction of 15.0 grams of cane sugar with 15.0 grams of oxygen? (Hint: balance the equation) ___C12H22O11(s)
asked by Brittney 
chemistry
J. J. Berzelius collected the following data for three reactions: Reaction 1 – 11.56 grams of lead sulfide, PbS, were formed when 10.0 grams of lead reacted with 1.56 grams of sulfur Reaction 2 – 11.56 grams of lead sulfide were formed when 10.0 grams
asked by Brittney 
algebra
{x  x is a multiple of 2} ∪ {x is a multiple of 7}?
asked by Anonymous 
keyboarding
1. When typing personal titles in correspondence, you should always include the person's name if you know it. If you don't know the person's name, which of the following should you use? A. To whom it may concern B. Ladies and Gentlemen C. Sir or Ma'am D.
asked by Anonymous 
K math
What is the factor of 2?
asked by Catherine 
business math
10. Simms Trucking Company received an invoice showing 20 tires at $99.00 each, 16 tires at $120.00 each, and 12 tires at $150.00 each. Shipping terms are FOB shipping point. Freight is $350.00; trade discount is 12/4; and a cash discount of 2/10, n30 is
asked by marie 
physics
You testify as an expert witness in a case involving an accident in which car A slid into the rear of car B, which was stopped at a red light along a road headed down a hill (see the figure). You find that the slope of the hill is θ = 14.0°, that the
asked by kristy 
Physics
Mario, a hockey player, is skating due south at a speed of 6.6 m/s relative to the ice. A teammate passes the puck to him. The puck has a speed of 12.9 m/s and is moving in a direction of 23° west of south, relative to the ice. What are the magnitude and
asked by Mario 
Chemistry
How many moles of NH3 can be produced from 19.5mol of H2 and excess N2
asked by Capri 
math
Let U = {7, 8, 9, 10, 11, 12, 13}, A = {7, 8, 9, 10}, B = {7, 8, 11, 12}, and C = {9, 11, 13}. List all the members of the given set. A ∪ (B ∩ C)
asked by Anonymous 
math
Maria decides to donate $1 to her favorite charity the first week of the month and to double the amount she donates each week. how much will she donate the 6th week?
asked by swaggy Roxy 
Calculus
Suppose that (g(x))^2 + 13x = x^2g(x) + 21, and that g(3) = 6. Find g'(3)
asked by Sckricks 
Calculus
Gravel is being dumped from a conveyor belt at a rate of 10 cubic feet per minute. It forms a pile in the shape of a right circular cone whose base diameter and height are always equal. How fast is the height of the pile increasing when the pile is 18 feet
asked by Nathan 
Calculus
Let f(x) = 6sin(sin(x^5)). Find f'(x)
asked by Nathan 
Calculus
Use implicit differentiation to find an equation of the tangent line to the curve at the given point x^2 + xy + y^2 = 3, (1,1)
asked by Sckricks 
Calculus
Let A be the area of the circle with the radius r. if dr/dt = 5, find dA/dt when r = 1
asked by Sckricks 
General genetics
I'm trying to find out how we know that bacteria involves contact before the transfer of DNA during conjugation. In the book, all they say is that DNA is not transferred along the f pilus as previously thought, but it is contacted first, then a channel
asked by Kyle 
math
a car is traveling at a speed of 30.0m/s encounters an emergency and comes to complete stop how much time will it take for the car to stop if it decelerates 4.o m/s^2
asked by Anonymous 
math
In a survey of a TriDelt chapter with 50 members, 18 were taking mathematics, 37 were taking English, and 7 were taking both. How many were not taking either of these subjects?
asked by Anonymous 
PreCalculus
You are given a pair of equations, one representing a supply curve and the other representing a demand curve, where p is the unit price for x items. −p+0.0208333333333333x+2=0 and p = √(57x) What is the market equilibrium for x? I know I'm supposed to
asked by Ann 
Math Division Word Problem
There are 180 minutes in 3 hours. How many minutes are there in 26 hours?
asked by Evan 
Math reasoning
A drivein movie theater is showing 30 movies this summer. Every Movie is sold out. The theater sold a total of 4,800 tickets. How many people will attend each movie?
asked by Jareth 
Math
Huong covered a box with stickybacked decorating paper. The paper costs $.03 per square inch. How much money will Huong need to spend on paper if the height of the box is 9 inches, width is 3 inches, and the length is 7 inches? Please show full work.
asked by Monica 
Chemistry
Duralin is an alloy of aluminium containing 4.5% manganese, 3.5% copper, and 0.45% magnesium. How much magnesium is present in a 32 g sample of this alloy? Answer in units of mol
asked by Susan 
(History)
What specific challenges did the South Vietnamese face as they tried to flee Vietnam in 1975?
asked by Jessica 
Math Explanation
If you are asked to find 834/80=, how do you know the quotient is greater than 10 before you actually divide?
asked by Chris 
Criminal justice
1. Which of the following is one of the limitations placed on felony murder? A. The felony must be independent of the homicide. B. The rule is limited to inherently dangerous felonies. C. The felony and the homicide must accompany each other in close
asked by Amy 
Math
Huong covered a box with stickybacked decorating paper. The paper costs $.03 per square inch. How much money will Huong need to spend on paper if the length is 7 inches, width is 3 inches, and the height is 9 inches? I thought Huong needed to spend $3.42
asked by Monica 
health
I need help designing a 12 week periodized training program discussing fitness tests and evaluation methods for the client and nutritional strategies providing recommendation for my choich
asked by Anonymous 
English
Which sentence includes an adjectival phrase? a. The American chameleon, a type of lizard, can change colors to blend with the environment. b. The fastest land mammals, cheetahs, reach speeds in excess of 65 miles per hour. c. The length of a person's
asked by Anonymous 
Criminal Justice
1. What is the primary difference in theft from a person and robbery? A. The taking of personal property B. The lack of intent to return the property to the rightful owner C. The presence of violence or instilling of fear in the owner of the property D.
asked by Amy 
physics
a .025kg bullet is fired upward through a .36kg block. the block goes .17meters and the bullet goes up 24 m in the air. what is the initial velocity of the bullet?
asked by Sara 
Geography (Ms. Sue)
1). What were the origins of the Soviet Union? A:The Soviet Union begun when the Communist Party has organized the different peoples absorbed during the centuries of Russia's imperial expansion, as well as by union treaty?
asked by Anonymous 
math
suppose 3 students change their vote from math to science .describe how the frequency table would change
asked by j 
English
Although the old bow seemed frail and weak compared to the arrow, its sinewy strings shot the arrow more than 1,200 yards. strong flexible tight soft Strong?
asked by Anonymous 
math
Let U = {7, 8, 9, 10, 11, 12, 13}, A = {7, 8, 9, 10}, B = {7, 8, 11, 12}, and C = {9, 11, 13}. List all the members of the given set. A ∪ (B ∩ C)
asked by Anonymous 
Math
Three times as many children as adults attended a concert Saturday. An adults ticket cost $7 and a child's ticket cost $3. The theater collected a total of $6000. How many people bought tickets.
asked by Anonymous 
history
how did early muslim empires generally treat conquered people?
asked by Taylor 
math
Perform the given set operation. Let U = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10}. please solve this: {x  x is a multiple of 2} ∪ {x is a multiple of 7}
asked by Anonymous 
government
Please help me answer this question. Having a hard time. **The term public administration is traditionally defined as a government agency. What are the limitations this definition has on public administration? How has public administration evolved to
asked by Tee 
science
I need to make an acrostic for the word kinetic
asked by blake 
Math
Olivia cut a wooden board into 3 equal parts. If the board was originally 8 1/4 feet long, how long was each of the 3 parts? A. 1 1/12 feet B. 2 3/4 feet C. 5 1/4 feet D. 9 3/4 feet B The results of a survey indicate that approximately 627,000 people in a
asked by Jerald 
math
1.Maddie has 2 times as many stickers on her notebook as Meg.Together,they have 15 stickers.How many stickers are on Maddie's notebook? 2.How many more stickers are on Maddie's notebook than on Meg's notebook?
asked by ezekiel 
Math
Linda bought 52 boards to replace part of her fence. If each board was 4 1/2 feet long. What was the total length of the boards that Linda bought for her fence? A.234 ft B.229ft C.182ft D.156ft I multiplied 52x4 and got 208. How do I add the 1/2
asked by Jerald 
Math
The cost of 2 televisions and 3 dvd player is $1,421. The cost of 1 dvd player is half the cost of 1 television. What is the cost of 1 televison.
asked by Deanna 
Algebra 1
k8= 7
asked by Halea 
Rocks
What could the relative age of two rocks tell you about them? a. One rock is 10,000 years old, and the other is 8,000 years old. b. One rock is older than the other. c. They both have fossils in them. d. One rock is closer to the surface than the other.
asked by Anonymous 
Math
The average high temperature in Alaska in January is 37F. If the average high temperature in Siberia for January is 83F how much warmer is it in Alaska compared to Siberia? A.120 B.54 C.46 D.36 C
asked by Jerald 
algebra
Can you help me solve for like terms: x  14y + 3x  1 2  10x  3 + y 19x  3y  37  y
asked by sarah 
history
How did early Muslim empires generally treat conquered people? A: they were allowed to become firstclass citizens upon converting to islam B: they were forced to give up their religions and convert to islam C: their religions were tolerated, but
asked by Taylor 
Math
j+4/6=8/12
asked by Olivia 
Science
How does water displacement work when finding the volume of an irregular object?
asked by Nikki 
Physics
A 50 kg child sits in a swing suspended with 3.8 mlong ropes. The swing is held aside so that the ropes make an angle of 48 o with the vertical. Use conservation of energy to determine the speed the child will have at the bottom of the arc when she is
asked by Hunter 
Math
The smallest marine fish known is the dwarf goby. The average length of this fish is just 3.39 x 10^1 inches. What is this number in standard form? A.339 B.33.9 C.0.339 D.0.0339 C
asked by Jerald 
physics
The 4.01 kg weight that drives the time mechanism of a grandfather clock descends 21 cm in exactly 24 hours. What power is delivered to the mechanism?
asked by Hunter 
Math
Why did Karjam Get a flat tire.
asked by Luke 
physics
Part 1) The block in the figure is initially at rest on an inclined plane at the equilibrium position that it would have if there were no friction between the block and the plane. How much work is required to move the block 50 cm down the plane if the
asked by Hunter 
English
I'm supposed to write about a hero using gods and goddesses for this "Your Hero's Journey Outline" but I can't typically think of what to write about. Any ideas?
asked by Elissa 
scienceredo
How does water displacement help when finding the volume of an irregular object
asked by Nikki 
Math
In 2001, box office sales for moviegoers in the US totaled 8.4 billion dollars. Which of these is equivalent to 8.4 biillion? A.8.4x10^9 B. 8.4x10^6 C. 8.4x10^9 D. 8.4x10^6 A
asked by Jerald 
Science
When the number of gas particles in a container with constant volume decreases, does the pressure of the gas increases? If the number of gas particles at constant pressure increases, will the volume of the gas decrease? What is the relationship between gas
asked by Sam 
Math
A wire that weighs 9 ounces per meter is stretched from point D to point B. Another wire is stretched from point B to point A that weighs 8 ounces per meter. If you know the total weight of the two wires is 197 ounces, how far is it from point B to C? *On
asked by Anonymous 
Algebra
A man invests his savings in two accounts, one paying 6 percent and the other paying 10 percent simple interest per year. He puts twice as much in the loweryielding account because it is less risky. His annual interest is 418 dollars. How much did he
asked by Andrew 
Math
10+7x=193y Solve for y
asked by Gayle 
answer not clear
Let U = {7, 8, 9, 10, 11, 12, 13}, A = {7, 8, 9, 10}, B = {7, 8, 11, 12}, and C = {9, 11, 13}. List all the members of the given set. A ∪ (B ∩ C)
asked by Anonymous 
math
perform this operation: ________ {2,7,10}
asked by Anonymous 
math
working on regrouping
asked by Anonymous 
Ma
60 hundreds =_____ thousands
asked by Anonymous 
math
25 tens=________ hundreds 5 tens 14 ones=_________ ten_________ ones 3 tens 12 ones=______ tens 2 ones
asked by Anonymous 
college algebra
Need help in finding all vertical, horizontal, and slant asymptotes, x and yintercepts, and symmetries of f(x)=(x3)/(x4)
asked by Dee 
Physics
I need to explain and demonstrate mathematically why it is easier to pull a wheelbarrow than it is to push it
asked by Nat 
us history
why did madison believe that faction would not be good
asked by carl 
ratios
77 students ratio girls to boys is 7:4, how many girls
asked by Anonymous 
Physics
A car enters the freeway with a speed of 5 . 6 m/s and accelerates uniformly for 3.6 km in 2.7 min. How fast is the car moving after this time? Answer in units of m / s
asked by Sydney 
Social studies help please
1. Great early American civilizations built large cities In Central and South America In Alaska On the plains of North America In Asia 2. Spanish explorers first arrived in the Americas In the nineteenth century In the late 1400s In the late 1500s In the
asked by Charlotte 
Math
Two of the local ranchers are bragging about their ability to use fencing sparingly. Bob says that he was once able to fence in a rectangular pasture of 14,200 square feet with only 480 feet of fencing. Susan says that she was once able to fence in a
asked by Anonymous 
Math
in the problem 15 + 37=52, show how to make ONE addend the next tens number. Complete the new addition sentence __+__=__????
asked by Julie 
U.S. History
the destruction of buffalos what are 5 provisions for this treaty, it has to be fair not unbiased. can one be that they can get 86 buffalos a month and can't waste them (kill them for sport, for the fun of it), etc. idk any more please help
asked by loli 
Algebra 2
How do you get the realnumber solutions of 5b^3 + 15b^2 + 12b = 36? I get to (b+3)(5b^2 + 12) and I don't know what to do after that. Can someone please show me how to finish this problem?
asked by Krystal 
computer science
Does anyone know the methods to swap two items in a list in Python?
asked by Lennium 
Math
The admission fee at an amusement park is 1.5 dollars for children and 4 dollars for adults. On a certain day, 294 people entered the park, and the admission fees collected totaled 716 dollars. How many children and how many adults were admitted
asked by Andrew 
math
At the ruins of Caesarea, archaeologists discovered a huge hydraulic concrete block with a volume of 945 cubic meters. The block's dimensions are x meters high by 12x  15 meters long by 12x  21 meters wide. What is the height of the block? I have no idea
asked by Karen 
Math
A production crew is assembling a threelevel platform inside a stadium for a performance. The platform has the dimensions of 4x long and 2x wide, the middle box has the dimensions of 6x long and 4x wide, and the bottom box has the dimensions of 8x long
asked by Charlie 
math
Tonya and Lauren are designing a soccer uniform. they want to use two colors on a shirt. their choices are green,orange,yellow,purple,blue,and silver. how many ways can they choose two colors?
asked by steve 
Calculus
(cos πx + sin πy)4 = 54; Implicit Differentation
asked by Kris 
math
kevin has a rabbit,a ferret, a grebil, and a turtle. he feeds them in a different order each day. in how many different orders can kevin feed his pets
asked by steve 
Geography (Ms. Sue)
1). What was the extent of the Russian Empire's expansion between the 9th century and the end of the 17th century? A: The Russian Empire's expansion extended to the Pacific Ocean by the end of the 17th century. 2). What were the origins of the Soviet
asked by Anonymous 
pigskin geography
October 9th is leif Erickson day. Which nfl team do you think is most likely to commemorate Leif Erickson day?
asked by mia 
sociology
I am writing a concept paper. I am suppose to pick a topic and highlight it from a macro ad micro sociological perspective. I have chosen to focus on public transportation and how the people on a train barely interact with each other. I am good on the
asked by Pat 
algebra
How do I find the digit to make the following statement true 2.48>2.4 1>2.463?
asked by Asia 
Math
(2^41 divide by 5?
asked by Stefanie 
Physics
I need to explain and demonstrate mathematically why it is easier to pull a wheelbarrow than it is to push it
asked by Nat 
mom needs math help
can anyone in simplistic terms explain difference between HISTOGRAM and BAR GRAPH i need to explain it to a ten year old.
asked by daniel 
english
You _____ all morning, so there is no reason to be tired.
asked by joe 
Algebra 2
At the ruins of Caesarea, archaeologists discovered a huge hydraulic concrete block with a volume of 945 cubic meters. The block's dimensions are x meters high by 12x  15 meters long by 12x  21 meters wide. What is the height of the block? Can someone
asked by Krystal 
Math
242(small little for next to the number 2) + 8 time 5 + (123)
asked by Fernanda 
algebra
1. Evaluate the polynomial for x=3 and x=3: the value of 6x +8 is  when x is 3, when x is 3? 2. Evaluate the polynomial for x =4 and x=4:The value of 2x^3+8x^25x9 is x is 4,x is 4. 5. Add (8m^33m^2+m5)+(8m^3+3m^24m2) 6.Subtract
asked by Skeeter 
Alegebra
5.74^2 divide by 2?
asked by Stefanie 
math
3x3 9
asked by Anonymous 
mathcomplex numbers
Sketch the sets of complex numbers in the complex plane that satisfy the following: a) z1=2 b) z3i=2 c) z5+2i=2 I'm not sure, but are you supposed to rearrange the whole thing to z=a+bi? So, part b would be z=2+3i.
asked by Rinchansan 
Help
A result from being multiplied A. Product B. Quotient C. Multiplier D. Expression i say A but i got that wrong so im confused
asked by t 
math
3x3 9
asked by Anonymous 
Math
Carlos poured 2/3 cup of juice into a glass. He drank some of the juice. There was 1/4 cup of juice left in the glass. Which is the best estimate of how much juice Carlos drank? a. 1/4 cup b. 1/2 cup c. 2/3 cup d. 3/4 cup
asked by TW 
math
Kaitlyn is making a necklace. She has round beads that are each 1/2 inch wide. She has an 8 inch piece of string. She wants 1/2 inch of space at each end of the string. How many round beads will she need?
asked by TW 
pre algebra
Maricel is putting fences around rectangular garden plots 1/3 yd by 1/2 yd. What is the total length of the fencing needed for 5 plots?
asked by kristsa 
English
“You cannot escape me,” Swift Runner shouted again. Then he ran after the bear. The Nyagwahe turned toward the east, with Swift Runner and his dog close behind. It left the trail and plowed through the thick forest, breaking down great trees and
asked by Anonymous 
math
the half life of the carbon isotope C14 is about 5700 years. A. about how many years does it take 1000 grams of this substance to decay to 500 grams? B. about what percent of the original amount would you expect to find after 1000 years?
asked by becky 
chemistry
Can anyone explain dimensional analysis to me like (grams to moles, avogadros number) and all those things. Im doing all the work but im obviously doing it wrong my answers are completely opposite of what they should be.
asked by kianna 
English
How to draw a picture of a person assuming something
asked by Emili 
Science
What is the relationship between the number of gas particles and pressure. Are these two variables directly proportional or do they vary inversely?
asked by Sarah 
Essay direction clarification
I am trying to prepare in my head for an essay exam that I will be having tomorrow and I would like to know how you would interpret the professors instructions  "Please prepare to answer one of the following in an essay of at least four paragraphs
asked by Tessa 
statistics
In 2006, 75.9% of firstyear students said they used the Internet for research or homework. Administrators found that 168 of an SRS of 200 firstyear students used the Internet for research or homework. Is the proportion of firstyear students who used the
asked by Dora 
Pyshics
What effect does the component of force parallel to a bicycle crank have?
asked by Nat 
algebra root
can i get help with this please what does it mean type of root Determine the number and type of roots 2X(X+2) =2
asked by tina 
physics
find the magnitude and direction needed to accelerate a 100g mass with an acceleration = .255 m/s squared+.650 m/s squared
asked by Trini 
Gov
What has been the U.S. policy toward the World Trade Organization (WTO)? A It has generally tried to convince the WTO to support a more protectionist stance in world trade. B It has attempted to strengthen the WTO. C It has refused to participate in the
asked by Flare 
finance
Based on data from 1999 to 2001, the net sales (revenue) of Gatorade/Tropicana North America is R(t) = 107t2+496t+3452 million dollars and the operating profit is P(t) = −18.5t2 + 85.5t + 433 million dollars  where t is the number of years since
asked by tina 
algebra 1
The length of the base of a isosceles triangle is one forth the length of one of its legs. If the premimeter of the triangle is 16 inches, what is the length of the base.
asked by Kayla 
Math
A couple needs $15,000 as a down payment for a home. If they invest the $10,000 they have at 8% compounded quarterly, how long will it take for the money to grow into $15,000?
asked by D 
6th grade math
I'm not sure how to solve this problem using unit rate. Jonathan is baking several boxes of bread. He used 9cups of water to 12 cups of flour. How much water was used per cup of flour? Ans: 9cups water/12cups flour = 3/4 cups water is the problem solved
asked by Alex 
Chemistry
How do I prepare 30 mL of NaOH by dissolving it in water?
asked by AA 
Physics
I need to explain and demonstrate mathematically why it is easier to pull a wheelbarrow than it is to push it. Also, what effect does the component of force parallel to a bicycle crank have?
asked by Natalie