Questions Asked on
February 11, 2013

calculus
Consider the given function and the given interval. f(x) = 4 sin x − 2 sin 2x, [0, π] (a) Find the average value fave of f on the given interval. fave = (b) Find c such that fave = f(c). (Round your answers to three decimal places.) c = (smaller value)
asked by James 
Physics
The maximum current in an AC circuit is 3.0 Amperes. What is the rms value of the current in the AC circuit? ...Thanks!
asked by Physics fail 
Physics HELP PLEASE
If 10kg of ice at 0 degrees Celsius is added to 2kg of steam at 100 degrees Celsius, the temperature of the resulting mixture is? Use Joules. ANSWER: 40 Specific Heats: Ice = 2060 Steam = 2020 Latent Heats: Water melting = 3.33x10^5 Water boiling =
asked by Max 
Physics
Which of the following statements about emission spectra is correct? All the lines are evenly spaced. All noble gases have the same spectra. Each line corresponds to a series of wavelengths. All the lines result from discrete energy differences
asked by physics student 
physics
charge A has a charge of 2C, Charge B has a charge of 3C and is located 1 meter to the right of A. Charge C is located 1 meter to the right of charge B and has a charge of 1C. if a fourth charge (charge D) is placed 4 meters to the right of charge B, how
asked by chris 
geometry
In the English alphabet, there are 7 capital letters that look the same after being rotated 180∘. Those letters are H, I, N, O, S, X, and Z. How many different 3 letter "words" can be made from these letters such that when the word is rotated 180∘, the
asked by please help me out!!! please 
mathematics
a boat sails 150km on a bearing of 42 degree and then 250km due east.how far is the boat from the starting point.
asked by victoria 
Soc. Studies
How did President Jackson respond to the Supreme Court's ruling in Worcester v. Georgia that Georgia had no right to interfere with the Cherokee? A. He asked Congress to revoke the Indian Removal Act of 1830. B. He appealed the decision on the grounds that
asked by Cassie 
Chemistry
Naphthalene combustion can be used to calibrate the heat capacity of a bomb calorimeter. The heat of combustion of naphthalene is 40.1 kJ/g. When 0.8210 g of naphthalene was burned in a calorimeter containing 1,000. g of water, a temperature rise of
asked by John 
Statistics HELP!
2. The Rathburn Manufacturing Company makes electric wiring, which it sells to contractors in the construction industry. Approximately 900 electric contractors purchase wire from Rathburn annually. Rathburn's director of marketing wants to determine
asked by Betty 
math
adam read a 360 page book in 3 days. he read twice as many pages on the middle day as he did on the first day or the last day. how many pages did he read on the last day.
asked by reece 
Science!
How many grams of NH3 gas can be made if 42.0 g of N2 gas and 12.0 g of H2 gas react with each other? N2 + 3 H2 ↔ 2 NH3
asked by Jacob 
math
Write 0.026 As a sum using powers of 10 to show place value
asked by kim 
Physics
A person has a reasonable chance of surviving an automobile crash if the deceleration is no more than 30 "'s." What distance is traveled if the person is brought to rest at this rate from 115 ?
asked by Daniel Limon 
physics
The wavelength of the electromagnetic waves is 200 nm. Which of following regions does it belong to? visible light region ultra violet light infrared region xray region
asked by help? 
World history; Check:P
What is the significance of the twelve tablets The Twelve TABLES were significant because they were an early example of written law displayed publicly for all who could read them, another example being Hammurabi's Code What measures did the government take
asked by Unknown 
Pre cal
From a point A is 8.20 meters above level ground,the angle of elevation of the top of a building is 31degrees 20 min and the angle of depression of the base of the building is 12degree 50 min. Approximate the heighth of the building
asked by john 
Analytic Geometry
Find the equation of the parabola through (15/4 ,2) and (0,1) whose axis is parallel to the xaxis and the latus rectum equal to 4
asked by xavier 
 English
The Arctic region, where winters are long and cold, is home to more than 400 species of flowering plants. Which group of words is an adjective clause in the sentence? of flowering plants where winters are long and cold is home to more than 400 species of
asked by Anonymous 
Math (PreCal)
The infinite series S = 1/5 + 3/5^3 + 5/5^5 + 7/5^7 + 9/5^9 + ... converges. Find S.
asked by Andy 
physics
A basketball player can leap upward 0.69 m. What is his initial velocity at the start of the leap?
asked by 
math
2/3 x 5/6 x 14 =
asked by Judy 
englis
One of the most commonly known_____________ which also happens to be a top favorite of mine is____________. do i need a comma's in this sentence?
asked by jakey 
physics
If a 0.5kg toy car is rolling down a hill with a velocity of 0.8m.s, what is the car's momentum?
asked by Sarah 
english
What is the adjective in the sentence "The red truck was parked behind the garage"? A. red B. truck C. behind D. parked
asked by amanda 
Physics
Two blocks of lead, one twice as heavy as the other, are both at 50 degrees Celsius. The ratio of internal energy of the heavier block to that of the lighter block is? A)1:2 B)2:1 C)1:1 D)4:1
asked by Cory 
Calculus
Find the sum of the convergent series. Sigma (lower n = 0; upper infinity) 8*(4/5)^n
asked by Jenny 
math
1/4x + 13 > .25(2x32)
asked by Bob 
World history; Check:P
What contributions did Solon and Cleisthenes make to the development of Athenian democracy?Solon let all Athenian citizens participate in the Assembly and Cleisthenes created the Council of Five Hundred. What steps did Pericles take to strengthen democracy
asked by Unknown 
trig
As a hotair balloon rises vertically, its angle of elevation from a point P on level ground d = 140 kilometers from the point Q directly underneath the balloon changes from 15°10' to 29°30' (see the figure). Approximately how far does the balloon rise
asked by soul pancake 
math
what is 3z5+2z=255z
asked by matt 
Applied Calculus
Find the derivative of the function f by using the rules of differentiation. f(x)=340
asked by Jacob 
math
what is 9/5x20)+32
asked by matt 
math
jewelry marked 14 karat gold is 14/24 pure gold. what is the percent
asked by Joseph 
math
A certain sweepstakes ticket has four categories of prizes with the following probabilities of being won: Prize Probability $100,000 1/500,000 $50,000 1/250,000 $20,000 1/200,000 $10,000 1/100,000 If each ticket costs $1.00, what is the expected gain or
asked by Tina 
Physics
A freight train has a mass of 1.2 107 kg. If the locomotive can exert a constant pull of 8.4 105 N, how long does it take to increase the speed of the train from rest to 88 km/h?
asked by Kayka 
Chemistry
CHemical equation showing how NH3 behaves as a base when dissolved in water
asked by Ken 
calculus
Find the Derivative y=(t^2+3)e^t
asked by Mike 
Abnormal Psychology
Who was the founder of the Psychoanalytic paradigm? Freud or Kraepelin?
asked by Amy 
maths
from a point R,300M north of P, a man walks eastwards to a place Q which is 600m from P. find the bearing of P from Q correct to the nearest degree
asked by favs 
MATH
Where are the functions f1(x)=sin(x) and f2(x) = sin(x) differentiable? Use n as an arbitrary integer constant.) f1(x) = sin(x) is differentiable for all x ≠______________ f2(x) = sin(x) is differentiable for all x ≠______________ No one has
asked by Selma 
English
Hello. I'll be very grateful for some help again. Do you think it's OK to use "resolve" in the present perfect continuous tense, for example: "they have been resolving the problem for several weeks"? Thank you very much for all your answers.
asked by Ilma 
Math
The diameter is 9.3 meters what is the circumference and area?
asked by Nicole 
chemistry
what volume of a concentrated HCl solution which is 36% HCl by mass and has a density of 1.179g/ml should be used to make 5.30L of an HCl solution with a pH of 1.8?
asked by Anonymous 
Analytic Geometry
A parabola has a directrix y=3, axis =4 and latus rectum equal to 2. find its equation. Please help me its for my homework
asked by Lance 
math
If x = 15 units, y = 7 units, and h = 4 units, then what is the area of the trapezoid
asked by Maddie 
Physics
A conductor of length 2m carrying a 1.5A current experiences a force of 2.2 N. What is the magnitude of the magnetic field that acts perpendicular to the flow of current in the conductor?
asked by physics student 
World history; Check:P
I can't seem to understand what this question is asking, but I have tried to answer it. Can someone check it please? :) Why were the epics of importance to the Greeks of the Dorian period? Answer: The Dorians were far less advanced than the Mycenaeans. The
asked by Unknown 
math
the twoway table shows the number of students that do or do not do chores at home and whether they receive an allowance or not. find and interpret the relative frequencies of students in the survey by columns. allowance no allowance total chores
asked by Alexius 
STATISTICS
ASSUME THE THE MEAN WEIGHT OF CHILDREN AGES 7 IS 50 POUNDS AND A STANDARD DEVIATION OF 10. wHAT IS THE PROBABLITY THAT A RANDOM SELECTED 7 YEAR OLD WILL HAVE A WEIGHT THAT IS LESS THAT 65
asked by SONIA GOVAN 
physics
A swimmer is capable of swimming at 1.4m/s in still water. Calculate the following. i. How far downstream will he land if he swims directly across 180m wide river? ii. How long will it take him to the other side.
asked by Ashman 
math
Brent has #3.35 in quarters and dimes. He has 23 coins in all. How many quarters and dimes does he have? Write a system of equations to solve
asked by Brenna 
Math rem
2.Find the length of the arc in a circle if the radius of the circle is 24cm and the degree of the arc is 90o 3.Find the length of the arc if a circle if the degree if the arc is 120o and the length of the radius is 8cm. 4. A circle has a radius of 7. Find
asked by bs 
College Physics 2
A parallelplate air capacitor is made from two plates 0.250 m square, spaced 0.70 cm apart. It is connected to a 140 V battery. a) What is the capacitance? C = 7.90×10−11 F b) What is the charge on each plate? Enter your answer as an absolute value of
asked by Lisa 
maths
What is the value of 321 rounded up to the nearest 10?
asked by please help me out!!! please 
Calculus
Determine whether the sequence with the given nth term is monotonic. Find the boundedness of the sequence. Otherwise, indicate DNE. An = ne^(n/2)
asked by Jenny 
World History (Ms. Sue).
Prejudice is significant because it was what immigrants had to face due to the nativeborn Americans' fears?
asked by Victoria 
science
1. Scientists hypothesize that the sun formed ____. (1 point) less than a billion years ago from a cloud of gas and dust less than a million years ago from a chunk of Jupiter 2. Two of the inner planets are ____. (1 point) Venus and Saturn Mars and Venus
asked by jessie 
physiiics
Which of the following is correct for the two coherent light waves to produce zero light? The light waves should travel in perpendicular directions. The light waves are in phase with each other The light waves are out of phase with each other. The light
asked by ooommgggg 
Physics
A feather is dropped onto the surface of the moon. How far will the feather have fallen if it reaches the surface in 9.00 seconds? Given: g on moon = 1.63 meters/second2
asked by Moriah 
math
Sally spent $36 and had $12 left. What percent of her money did she spent?
asked by minecraft 
bramalea secondary school
how many ways can you roll a pair of standard dice without getting a double?
asked by barbara 
maths
A coin is tossed M+N times,M>N,then the chance of getting at least consecutive head is
asked by Anonymous 
mathsurgently needed
If in a triangle ABC, c(a+b) Cos B/2 =b(c+a) Cos C/2 then the triangle is : 1. isosceles 2. Right angled 3. isosceles or right angled 4. none of these I want the explanation
asked by Anonymous 
math
what is expression 5 factorial equal
asked by matt 
3rd grade math
enzo and eric are a sharing a pie. if enzo eats 1/3 of the pie and eric eats 1/5 of the pie, is there more than 1/2 of the pie remaining.
asked by mythreyee 
Math
If 15 baseballs weigh 75 ounces, how many baseballs weigh 15 ounces?
asked by Wyatt 
math
I need help solving this problem x7x=
asked by Dee Dee 
Chemistry
What is sigma framework?
asked by Linda 
Math
Write a number sentence. Marshall sleeps 8 hours each day. How many hours does Marshall sleep in one week? How many hours is Marshall awake each day
asked by Sam 
org. chem
The question asks, "draw the hemiacetal obtained by addition of ethanol 2methylpentanal" My question is how to do this problem? I know you can't actually draw it out on this site. However so I know how to do it on the upcoming test. Thanks :)
asked by meghan 
math
Each of two observers 475 feet apart measures the angle of elevation to the top of a tree that sits on the straight line between them. These angles are 55° and 59°, for observers A and B, respectively. How tall is the tree? How far is the base of its
asked by rachel 
Calculus
Find the derivatives of the function k(x)=sqrt(sin(2x))^3 I think I have the answer and was wondering if i had it correct k'(x)=2sin(x)^3+8sin(x)
asked by Joe 
Math
two sides of a triangle have the ratio of 3:4. The hypotenuse is 20. What are the measures of the two other sides?
asked by John 
chemistry
A 0.10mol sample of H2(g) and a 0.10mol sample of Br2(g) are placed in a 2.0L container. The reaction H2(g) + Br2(g) 2 HBr(g) is then allowed to come to equilibrium. A 0.20 mol sample of HBr is placed into a second 2.0L sealed container at the same
asked by Adam 
PHYSICS 2 !!!
At its normal operating speed, an electric fan motor draws only 10.9% of the current it draws when it just begins to turn the fan blade. The fan is plugged into a 120.0V socket. What back emf does the motor generate at its normal operating speed?
asked by HELP !!!! 
Math
Number Sense Fabio said that there are 3 times as many people on a basketball team as on a tennis team. Is he correct? Explain why or why not. Tennis2 players Basketball5 players Softball10 players
asked by Samantha 
physics
what frequency and period would be required for sally and her hardworking partner to produce a standing wave with three nodes?
asked by Anonymous 
math
A certain sweepstakes ticket has four categories of prizes with the following probabilities of being won: Prize Probability $100,000 1/500,000 $50,000 1/250,000 $20,000 1/200,000 $10,000 1/100,000 What is the expected value of buying these sweepstakes
asked by Tina 
MATH
A camping store put in an order for flashlights and sleeping bags. The number of flashlights ordered was 3 times the number of sleeping bags. The flashlights cost $12.00 each, and the sleeping bags cost $45.00 each. If the total cost for the flashlights
asked by Betty 
engineering
Anybody knows the quiz3 of coursera "control of mobile robots"?
asked by asha 
physics
Imagine a spring floating in space. This spring has a very small length when it is unstretched. The spring constant for this spring is 4.2 N/m. Now place 2.6 μC charges on each end of the spring, and allow it to stretch until it reaches a new equilibrium.
asked by Noah 
math
sarah has a bag of mixed lollies.T?he bag contains toffees,mints,fruit drops,smarties,jelly beans,candies and licorice.She allows everyone in her class to choose 3 lollies,but they must not choose more than one of each kind.How many different combinations
asked by karen 
math
jewelry marked 14 karat gold is 14/25 pure gold. what is the percent
asked by anynomous 
Math Word Problem
Tristen mixes nuts that cost $2.00 per pond with nuts that cost $4.00 per pound. He buys triple as much of the $2.00 per pound nut than he buys of the $4.00 per pound nut. If he spent a total of $32.00, how many pounds of the $2.00 per pound nut did he
asked by Betty 
Math
Write a number sentence. Marshall sleeps 8 hours each day. How many hours does Marshall sleep in one week? How many hours is Marshall awake each day?
asked by Steve 
English
Hello. Please help me with a few questions. 1)Do you think it's possible to use "as expected" in reference to the future, for example: "As expected, they will arrive next week"? 2)Do you think the word combination "to gain a historic triumph over someone"
asked by Ilma 
math
Andrea buys four shirts and three pairs of pants for $85.50. She returns the next day and buys three shirts and five pairs of pants for $115.00. What is the price of each shirt and each pair of pants? How would I solve this? I need to show my work...
asked by ki 
english
What does Mrs. Frank think of the idea of Peter being Anne’s boyfriend? She is thrilled that Anne will finally have a boyfriend. She doesn’t really care if Anne has a boyfriend. She is uncomfortable with idea that Anne might have a boyfriend.
asked by hi 
math
Flag question Question text A fair coin is tossed 6 times. What is the probability to the nearest hundredth of obtaining at least one head? Select one: a. .08 b. .98 c. .50 d. .02
asked by Tina 
organic chem
Draw the hemiketal obtained by addition of methanol to 3methyl2hexanone This is what I got: 3methyl2hexanone + CH3OH CH3CH2CH(CH3)CH2C(OH)(CH3). But my answer is line angle formula because that's what the professor wants here's my line formula CH3
asked by meghan 
MATH
Posted by xavier on Monday, February 11, 2013 at 8:28pm. Hello... Asking for help with this one math question to understand how to do the rest of related question? thank you in advance.... shape 1 (3.5,8.5) ,(3.5,9) , (3,10.5) , (2,12)
asked by xavier 
org. chem
Can someone explain in simple terms the difference between hemiketal and hemiacetal? Just curious
asked by meghan 
Algebra
A function is given. Determine the average rate of change of the function between the given values of the variable. f(x) = 6 − x2; x = 2, x = 2 + h
asked by Jazzy 
Math
How would I solve equations with variables on both sides? Please help!
asked by Tanner 
math
Englewood averaged 17 problems right on the math decathlon. Avalon park elementary scored an average of 14 problems right. Which equation shows the difference, (d), between the average points scored by gthe englewood and avalon park? a. d=17 x 14 b.
asked by vera 
math
study the function table below vases flowers 4 12 7 21 8 24 11 33 v f which expression could be used to find the number of flowers (f) in (v) vases? my answer is a. is that correct
asked by vera 
maths
What is the vector equation of the line joining the points (5; 0; 1) and (7; 4; 7)?
asked by Jenny 
math
Decimal numbers with digits both before and after the decimal point, such as 16.75, are referred to as: A. the quotient. B. the remainder. C. mixed decimal numbers. D. decimal point numbers.
asked by Anonymous 
Math
Next door neighbors Moe and Larry are using hoses from each of their houses to fill Moe's pool. They know it takes 12 hours using both hoses. They also know that Moe's hose, used alone, takes 40% less time than using Larry's hose alone. How much time is
asked by Beth 
Science
Pluto alters the orbit of which planet? Uranus Saturn Neptune * Jupiter My guess is Neptune? There is not alo of info. that said the word "alters"? Help please....
asked by Cassie 
math
The perimeter of a rectangular playground is 40 yards. It is 1.5 yards longer that it is wide. What is area of playground?
asked by Zoe 
5ht grade math word problems
sue baked chocolate chip cookies. although the recipe said it would make 5 dozen, she actually made 4 less than that. if there were slightly more than 500 chips in the package what is the average number of chips for each cookie?
asked by reeve 
math
The perimeter of a rectangular playground is 40 yards. It is 1.5 yards longer that it is wide. What is area of playground?
asked by Zoe 
english
In the play Antigone Which character do you think is wholly right in their actions? Wholly wrong? Partially right or wrong? Give reasons for your judgement.
asked by answerman 
calculus
Find the integral of: dx/(x^24x)
asked by Sara 
calculus
Find the integral of (tan x)^2 sec(x)dx
asked by Sara 
Math
4 friends share 3 melons.
asked by Pietro 
Math
3 classmate share 5 sandwich
asked by Pietro 
English/Lang. Arts
Many Jewish people, like Anne’s family, hid to escape Nazi persecution during World War II. In what other way did people attempt to save themselves?A.They asked the Nazi party for protection. B.They fled to North and South America. C.They signed
asked by Cassie 
math
I have a piece of rope 3 1/2 ft long. I use 3/4 on a project. How much I have left?
asked by Anonymous 
Math Help Plaese!!!!!!
Calculate the final price you would pay to buy jacket that originally sells for $65, but is discounted by 40%; you also have to pay 5% sales tax. Explain.
asked by Bell 
Math (PreCal)
There is exactly one triangle the length of whose sides are integers in arithmetic progression and whose area is 156 square units. Find the perimeter of this triangle.
asked by Dan 
Math Word Problem Help
Your high school is having a spring carnival. Admission into the carnival is $3 and each game inside the carnival costs $.50. Write an inequality that represents the possible number of games that can be played having $20. What is the maximum number of
asked by Betty Anne 
math
A model of a boat is 1 3/8 feet long. How long is the model of a ship that is 3 times as long, I'd the models are made to the same scale?
asked by Alison 
Probability Word Problem
Julie has three choices of a lunch and 4 choices of a drink. How many different ways can she choose a lunch and a drink?
asked by Betty Anne 
Lang. Arts Help
What do you learn from the dialogue between Mr. Frank and Miep at the beginning of Scene 1? A.Miep wants to show Mr. Frank something in the building. B.Mr. Frank wants to live in this building to hold on to his memories. C.The war has ended, but Mr. Frank
asked by Cassie 
math
7/8 x 4/5 = I got 28/40 so is it 7/10
asked by Judy 
Lang. Arts
Choose the sentence that is punctuated correctly. A.I would like to eat a big breakfast, watch a movie, and lounge on the sofa this Sunday. B.I would like to eat a big breakfast, watch a movie, and lounge on the sofa, this Sunday. C.I would like, to eat a
asked by Cassie 
math
In how many ways can the grand prize ticket and second prize ticket be selected from 400 tickets?
asked by joy 
Statistics
Research design is an area where researchers collect various data to address important questions. For example, if researchers wish to find characteristics of people most likely to develop lung cancer, they will have to collect appropriate data first.
asked by Betty Anne 
math
Brittany is making trays of fudge. her recipe calls for 2/3 cup of walnuts for each batch of fudge. How many cups of walnuts does she need to make 27 batches of fudge I need to show how I got this answer
asked by Judy 
math
What is the compound amount and compound interest of $15,000 invested at 6% compounded quarterly for 27 months?
asked by YOU 
org. chem
Draw the acetal obtanined from 1propanol and benzaldehyde Draw the ketal obtained from 2propanol and 3methylcyclpentanone Can someone tell me where the actal/ketal comes from or do I just add it to the equation. Not sure how to start this. Thanks :)
asked by meghan 
gr12 math
how do you know which face is the base of a triangular prism?
asked by anonymous 
Math
How could I find the volume of a bowling pin using geometry and or calculus?
asked by Anonymous 
Math Help Please!!!!
Natalie picked 135 berries in 15 minutes. If she continues picking at that rate, how long will it take her to pick 486 berries? Explain.
asked by Bell 
Statistics
Each of 4 people is presented with gourmet coffee and ordinary coffee and asked to identify the gourmet coffee. None of the 4 can really tell the difference and are merely guessing. a.What is the probability that exactly 2 of the 4 correctly identify the
asked by Steven 
Statistics
Each of 4 people is presented with gourmet coffee and ordinary coffee and asked to identify the gourmet coffee. None of the 4 can really tell the difference and are merely guessing. a.What is the probability that exactly 2 of the 4 correctly identify the
asked by Steven 
physics
list and explain 5 locking devices
asked by favs 
geometry
Missy and Mussy are very messy sisters. Their dresser drawer consists of 43 white socks, 2 black socks, 23 blue socks and 8 red socks. What is the minimum number of socks they must remove from the drawer to be certain they have four socks of the same
asked by ARIRIRI 
geometry
Missy and Mussy are very messy sisters. Their dresser drawer consists of 43 white socks, 2 black socks, 23 blue socks and 8 red socks. What is the minimum number of socks they must remove from the drawer to be certain they have four socks of the same
asked by ARIRIRI 
geometry
Three circles, each with a radius of 10, are mutually tangent to each other. The area enclosed by the three circles can be written as ab√−cπ, where a, b and c are positive integers, and b is not divisible by a square of a prime. What is the value of
asked by ARIRIRI 
Math
1/3 of 6= 2/5 of 10= 5/5 of 5=
asked by Pietro 
math
the volume of a triangular prism is 226.08 cubic inches. if the area of the base is 28.26 square inches, what is the height of the triangular prism?
asked by kassie 
geometry
A semicircle has AB as the endpoints of its diameter, and AB=80. Points C and D are on the circumference of the semicircle such that AD=BC=40. What is the length of DC?
asked by ARI33 
geometry
ABCD is a rectangle. On line segment AB, E is a point such that ∠ADE=17∘ and ∠BCE=29∘. What is the measure of ∠DEC (in degrees)?
asked by emergency!!! 33 
Math
Beatriz has 8 turtles.two fourths of them are. Box turtles.how many of the turtles are box turtle?
asked by Pietro 
trigonometry
It is given that sin(θ)=15√. In addition, a and b are coprime positive integers such that cos(2θ)=ab. What is the value of a+b?
asked by emergency!!! please help! 
chemistry
a student dissolves 80 mg of a crude product in 4.5 mL( the minimum required) of methanol at 25 deg C . She cools the solution in an ice bath and obtains crystals. The crystals are recovered by filtration and rinsed with 0.5 mL of icecold methanol. After
asked by sara 
algebra
The variables x and y satisfy the equations 2/x−24/y=−1 and 6/x+33/y=2. Find the product xy.
asked by please help me out!!! 
math
Ms. shoemaker has 35 students in her classroom. Of those students 6/7 are right handed and 4/5 of te right handed students have brown eyes. How many right handed brown eyed students are in the class.
asked by Jared 
Statistics
Each of 4 people is presented with gourmet coffee and ordinary coffee and asked to identify the gourmet coffee. None of the 4 can really tell the difference and are merely guessing. a. What is the probability that exactly 2 of the 4 correctly identify the
asked by Steven 
Net ionic reaction
What is the net ionic equation of MgS04 with Sr(N03)2? I get most of the equation right but i think im missing something...
asked by Rick 
Math
Josh has a job walking dog.he walks a total of 18 dogs each week. Today,he is walking one third of the dogs.how many dogs is josh walking today?
asked by Pietro 
Pre Algebra
I have to design new dice for a board game. I have to use two standard cubes each with six faces and number then in such a way the the probability of rolling the numbers 112 are the same
asked by SAm 
maths
Two trains A and B 50kms apartare approaching each ather at 30km/hr and 20km/hr respectively. A bee travelling at 80km/hr hovers between d two trains. How many km will d bee cover before d two trains collide
asked by very urgent please 
Business Calculus
Pam and Tim decide to start saving money for their daughter's college education. They open a college savings plan (529) with a 500 dollars initial investment and next month start to make monthly deposits of 120 dollars. If the account pays 8% compounded
asked by cs94 
math
describe a model that represents 3/3 x 4/4 I need to explain this
asked by Jared 
maths (trig)
how would you work out tan 50=27/x please help
asked by random name 
Chemistry
A solution contains a mixture of pentane and hexane at room temperature. The solution has a vapor pressure of 235 torr. Pure pentane and hexane have vapor pressures of 425 torr and 151 torr, respectively, at room temperature. What is the mole fraction
asked by Emma 
math
how would you figure this problem how much fencing to the nearest foot is neeeded to enclose an area of 350ft2
asked by jill 
math
shape 1 (3.5,8.5) ,(3.5,9) , (3,10.5) , (2,12)
asked by xavier 
Lang. Arts
Based on what you have read so far, what is the one thing that always changes when a scene changes in The Diary of Anne Frank? A.the Franks’ reason for hiding B.the passage of time C.the use of voiceover for Anne’s diary I think it is B...? Thanks
asked by Cassie 
chemistry
help please, have no clue how to solve this. (a) you are given a mixture containing two compounds, A and B. both compounds have a solubility of 1g/100mL of solvent at 20 deg C and 16g/100mL of solvent at 100 deg C. The sample is composed of 3.5 g of A and
asked by shelby 
Math
Where are the functions f1(x)=sin(x) and f2(x) = sin(x) differentiable? Use n as an arbitrary integer constant.) f1(x) = sin(x) is differentiable for all x ≠______________ f2(x) = sin(x) is differentiable for all x ≠______________
asked by Amka 
Lang. Arts
Which sentence is punctuated correctly? A.Greg’s family adopted a young active puppy. B.Lisa filmed two, dramatic movies this year. C.Meg heard there is an unusual, exciting show tonight. I think it is A or C...leaning towards A?
asked by Cassie 
chemistry
a container holds 200 pounds of water or 132 pounds of gasoline. what is the density of gasoline in g/mL? (hint; the density of water was calculated in the early experiment to be 0.962g/mL)
asked by curious 
Lang. Arts
Which sentence is punctuated correctly? A.Greg’s family adopted a young active puppy. B.Lisa filmed two, dramatic movies this year. C.Meg heard there is an unusual, exciting show tonight. I think it is A or C...leaning towards A?
asked by Cassie 
Chemistry
CONCENTRATION OF NaClO IN COMMERCIAL BLEACH. Bleach comes as 6%(mass/volume) solution of NaClO. Calculate the Molarity of NaClO in bleach to three significant figures ( you need molar mass of NaClO)
asked by Jessica 
geometry
A rectangle has length and width in the ratio of 5:9. If the perimeter is 280, what is the length of the rectangle?
asked by Anonymous 
Finance
You (or your parents) plan to pay $1,275.00/month for a mortgage. How much is the minimum realized income per month to the nearest penny
asked by samantha 
Science
which of the following is a function of DNA 1)controlling the production of proteins in the cell 2)breaking down proteins in the cell 3)producing energy from food molecules inside the cell 4)controlling substances that enter and leave the cell 5)joining
asked by Freeman 
college chemistry
How will the Rf values be affected if i use a highly polar mobile phase instead of one that has intermediate polarity?
asked by Anonymous 
science
a poem on cell division
asked by Anonymous 
mathsurgently needed
If in a triangle ABC, c(a+b) Cos B/2 =b(c+a) Cos C/2 then the triangle is : 1. isosceles 2. Right angled 3. isosceles or right angled 4. none of these I want the explanation
asked by Anonymous 
Maths Percentage
After spending 30% of his money, John had $140 left. How much did he have at first. Siti and Ali saved $4500. Ali and Jim saved $2950. Siti saved thrice as much as Jim. How much did Ali save? At a concert, there were 15 more children than adults. Each
asked by Zayn 
Anonymous
A motorboat whose speed in still water is 2.86 m/s must aim upstream at an angle of 25.4 degrees (with respect to a line perpendicular to the shore) in order to travel directly across the stream.What is the resultant speed of the boat with respect to the
asked by Anonymous 
science
a planet has a radius of 5950 km and a value of g at the surface of 8 m/s2. If the planet decides to put a satellite into citcular orbit, what horizontal (orbital) speed must the satellite achieve?
asked by limeandmango 
Chemistry
Someone said, "Calculate the total delta H of the reaction and subtract the total delta H of the product from it. If you get a positive value, it radiates heat which means it's exothermic. If it is negative, heat is needed to get a reaction so it is
asked by A Canadian 
Physics
Situation: While holding his rifle at shoulderlevel, a 1.8 meter tall hunter accidentally discharges it straight up into the air. Questions: 1) If the bullet exits the barrel of the rifel at 200 meters per second squared, how many seconds does the hunter
asked by Krishen 
math
d equals 4 and 5 eighths inches where 1 half inch equals 355 miles
asked by jerri 
Math
Find the values of the six trigonometric functions for ∠A in standard position determined by the point (63, 280). Enter your answers as fractions.
asked by Anonymous 
Math
Josh borrows some money on which he makes monthly payments of $125.43 for 3 years. If the interest rate is 5.4%/a compounded monthly, what will be the total amount of all of the payments at the end of the 3 years?
asked by Mark 
social studies
after the treaty of paris how long were the Spanish in charge of FL
asked by brian kolker 
Math112
Perform the indicated operation (8t^24+2)(5t^25t+7)
asked by corinne 
math
Anny is having a party .The first guest arrived by himself.3 guests then arrive together,each successive group arrives with 2 more guests than the group that entered previously.How many guests will have arrived when the twentieth group enters the room ?
asked by karen 
math
what kind of book can help me understand about propabilities,please let me know,i am not lazy,but i am really not understand,many thanks
asked by karen 
Math
A person jumps off a 20m high cliff into the water below. The height of the person above the ground at t time seconds is given by the equation h=5t^2+30. How long does it take the person to reach the half way mark to the water?
asked by Anonymous 
standard deviation
If Professor Wilson found that the test scores of his students had a variance of 4.4, what is the standard deviation? Type a numerical answer in the space provided. Round your answer to the nearest tenth and do not type spaces in your answer.
asked by racquel 
social studies
what are the main functions of chief minister
asked by nazia 
Gen Chem II
Thanks for the information Dr. Bob. Would you be able to work it out so that I can actually see the steps with the numbers and follow from there. The question was on Vitamin K from Sunday at 2:44pm which you answered at 3:45pm. Thanks again. I am looking
asked by Nefret 
maths
Q:20 A clock was 4 minutes slow at noon on Friday and 4 minutes 36 seconds fast on the following Friday at 4 P.M. If the clock gains uniformly, when does it show the correct time? A:8 P.M. on Monday (after second Friday) B:8 P.M. on Monday (between two
asked by ujjval 
Physics
A lamp hangs vertically from a cord in a descending elevator with a constant deceleration a. If the tension in the cord is T0, answer the following. (Use any variable or symbol stated above along with the following as necessary: g.) (a) What is the lamp's
asked by Rachel 
CIS logic and design
pseudocode that requests and receives student names and an exam score for each
asked by dddiii 
Physical Science Help!
Can someone please help me balance these equations? Thank you for your time!! 1. NO + O2 ¨ NO2 2. NH4Cl + Ca(OH)2 ¨ CaCl2 + NH3 + H2O
asked by Ella 
7th Grade Math
The area of a certain rectangle is 288yd^2.the perimeter is 68yd.if you double the lengths and widths,what will be the new area and perimeter of the new rectangle be?
asked by Alayah 
intro to physical science
what is the Celsius equival of a temperature of 160 F
asked by Chris 
Math
A 7 4/5 ounce can of cat food costs 38 cents. What is the unit rate (price per ounce) of the cat food?
asked by J 
Finance
A rich man has 1 million dollars in the bank earning 7% interest. He plans to give away $100,000 at the end of the year and to increase his gifting by 10% per year thereafter. How long will the million dollars last?
asked by Anonymous 
Lang. Arts
Which of the sentences below is punctuated correctly? A. I opened the door and my cat ran outside. B. I opened the door, and my cat ran outside. C.I opened the door, my cat ran outside I think it is A?
asked by Cassie 
intro to physical science
the specific heat of granite is 0.80 KJ/kg . c. I f 1.6 MJ of heat are added to a 100kg granite statue of James Precott Joule that is originally at 18 C, what is the finale temperature of the statue
asked by Chris 
Lang. Arts
We hung makeshift curtains in our room using? A.bed sheets. B.old curtains. C.new curtains I think it is A?
asked by Cassie 
Biochemistry
1. Given the following equation: Glycerol3phosphate glycerol + Pi Go’ = 9.7 kJ/mol At equilibrium the concentrations of both glycerol and inorganic phosphate are 1 mM. Under these conditions, calculate the final concentration of glycerol3phosphate.
asked by Angela 
Math
Maria bought 5 cans of tennis balls. Each can contained 3 tennis balls. How many tennis balls did Maria buy altogether?
asked by Mark 
math
(1)Robert is thinking of two numbers. Their greatest common factor is 6. Their least common multiple is 36. One of the numbers is 12. What is the other number Answer: 18 please help Ms.Sue I think the answer is right not sure how I got it please explain or
asked by Camile 
Calculus
A deposit of $1000 is made at the beginning of each month in an account at an annual interest rate of 3% compounded monthly. The balance in the account after n months is An = 1,000(401)(1.0025^n  1). (a) Compute the first six terms of the sequence {An}.
asked by Jenny 
algebra
Sort these numbers describe your sort rule 5, 10, 16, 19, 24, 37, 40
asked by rayan 
algebra!
x is a number such that x2+3x+9=0. What is the value of x3?
asked by please help me out!!! please 
Calculus
Determine the convergence or divergence of the series. Find the limit. Indicate the test that was used and justify your answer by showing evidence why the test succeeds or fails. Sigma (lower index n = 1; upper index infinity) 12/[n(n+3)]
asked by Jenny 
Math
In Ms.Ramirez's class, there are 28 students. They sit in 4 rows. How many students are in each row?
asked by Shaun 
Calculus
Determine the following about the series. Indicate the test that was used and justify your answer. Sigma (lower index n = 1; upper index infinity) [sin((2n1)pi/2)]/n A. The series diverges B. The series converges conditionally. C. The series converges
asked by Jenny 
Business Math
Last week, Laurie Golson packaged 289 boxes Holiday Cheese Assortment. Find her gross weekly earnings if she is paid at the following differential piece rate. Boxes packaged Pay per package per week 1100 $1.88 101300 $2.08 301 and over $2.18 I don't know
asked by tmouery 
geometry
Let O be the center of the circle Γ, and P be a point outside of circle Γ. PA is tangential to Γ at A, and PO intersects Γ at D. If PD=14 and PA=42, what is the radius of Γ.
asked by please help me out!!! please 
Calculus
Test for convergence or divergence. Indicate the test that was used and justify your answer. Sigma (lower index n = 4; upper index infinity) 1/(3n^22n15)
asked by Jenny 
pre calc
How long would it take from 3000 to get to 8000 at 8% interest at compounded quarterly?
asked by Anthony 
Calculus
Use the Direct Comparison Test to determine the convergence or divergence of the series. Justify your answer and show all of your work. Sigma (lower index n = 1; upper index infinity) 4^n/(3^n1)
asked by Jenny 
physics
A string has a linear density of 8.1 x 103 kg/m and is under a tension of 200 N. The string is 2.9 m long, is fixed at both ends, and is vibrating in the standing wave pattern shown in the drawing. Determine the (a) speed, (b) wavelength, and (c)
asked by natasha 
Calculus
Test for convergence or divergence. Indicate the test that was used and justify your answer. Sigma (lower index n = 2; upper index infinity) [ln(n)]/n
asked by Jenny 
arithmetic
A group of friends are planning a road trip. If they all contributed $24, then they would be $6 short of the total. If they all contributed $25, then they would have $3 more than needed. What is the total cost of the trip?
asked by please help me out!!! please 
Physics
A thin 5.4m metal rod sustanins a longitudinal standing wave with vibration antinodes at each end of the rod. There are no other antinodes. The density and Young's modulus of this metal are, respectively, 5200 kg/m^3 and 7.9x10^10 N/m2. What is the
asked by Patrick 
Calculus
Determine the convergence or divergence of the series. Indicate the test that was used and justify your answer. Sigma (lower index n = 1; upper index infinity) [(1)^n*3^n]/(n*2^n)
asked by Jenny 
Math
how to solve polynomiels?
asked by Sam 
nothing
can anyboby help me with that last question i posted pleaseeeee i really need help!!!
asked by kassie 
Chemistry
Consider 54.0 mL of a solution of weak acid HA (Ka = 1.00 106), which has a pH of 4.200. What volume of water must be added to make the pH = 5.500? I found HA for both and then I used C1V1 = C2V2 plugging in the concentrations of HA in C1 and C2 and 0.054
asked by Ter 
math
If x=12 and y=14 .Find the value of (x+y)^x/y ????
asked by tuhituhi 
Calculus
The population of bacteria in one cubic centimeter of the blood of a sick person has been modeled by the function P(t) = 80t(0.86^t) where t is the time, in days, since the person became ill. I was able to answer all of the questions besides, Estimate how
asked by Jessie 
Calculus
Find the values of x for which the series converges. Sigma (lower index n = 0; upper index infinity) [(x+1)/4]^n
asked by Jenny 
business
How does managers benefit from developing three different budget estimates for the same time period?
asked by zohdi 
Lead
Hi i'm trying to write a lead for my Journalism class, tell me which works best. If they both need revised can you point it out? In Kalamazoo County unemployment for white people is at 10.2 percent, whereas for black people it is at 21.2 percent, according
asked by Blaze 
Calculus
Identify the two series that are the same. a. Sigma (lower n = 4; upper infinity) n(3/4)^n b. Sigma (lower n = 0; upper infinity) (n+1)(3/4)^n c. Sigma (lower n = 1; upper infinity) n(3/4)^(n1)
asked by Jenny 
physics!!!!!
When the distance between the hole and floor is h1=20 cm, the images's length is l1=20 cm; when the distance between the hole and floor is h2=40 cm, the images's length is l2=36 cm . What is the length L of the ceiling lamp in m?
asked by please help me out!!! please 
Physics Help
Charge is distributed uniformly along the x axis with density ßx and uniformly along the y axis with density ßy. Calculate the electric field at the points (a) r = a i + b j, and (b) r = c k.
asked by Lindsey 
physics
A few years ago, a movie came out about a soldier, John Carter, who was transported to Mars and could perform amazing feats of strength and jumping due to the lower Martian gravity. The surface gravity of Mars is 0.38 times that of earth. If John could
asked by please help me out!!! please 
Physics Help
Charge Q is uniformly distributed around the perimeter of a semicircle of radius R. What is the electric field at the circle's center?
asked by Lindsey 
Math
Please someone help with my pre calc question!
asked by Anthony 
math
a ribbon is 45 cm long is cut into 2 pieces one piece is 4 times longer then the other find the length in cm of both ribbons
asked by chris 
physics
The waterfall "Angel Falls" in Venezuela is the world's tallest at h=979 m. Assume that the water's velocity on the top of the falls and on the bottom of the falls (after it hits the ground and begins to flow away) is equal, and that no total energy is
asked by please help me out!!! please 
Physics Help
An electron with velocity v = 2.4 × 106 m/s i encounters an electric field E = 1250 N/C i. How long will it take for the speed to be one fourth its original value?
asked by Lindsey 
calculus
Find the derivatives of the functions k(x)=(x^3+e^x)^4
asked by Joe 
Calculus
What is the graph of the sequence An = (1)^n?
asked by Jenny 
Accounting
What affect can the incorrect (intentional or unintentional) posting, journalizing, and reporting of financial data have on a company, an accountant, or a company's stakeholders?
asked by Kathleen 
mathsurgently needed
If in a triangle ABC, c(a+b) Cos B/2 =b(c+a) Cos C/2 then the triangle is : 1. isosceles 2. Right angled 3. isosceles or right angled 4. none of these I want the explanation
asked by Anonymous 
Calculus
Approximate the sum Sigma (lower n = 0; upper infinity) (17/3)*(1/2)^n
asked by Jenny 
Biochemistry
The Go’ value for the hydrolysis of glucose6phosphate is 13.8 kJ/mol. Assuming a concentration of 4 mM for this molecule, what would the phosphate concentration be at equilibrium (G = 0). Remember to convert kJ to J.
asked by Lena 
english
More than a thousand people are killed in road accidents during the december hoildaeys how can this carnage on our road be stopped?
asked by refilwe rere 
business
how does the term balance sheet reflects the organization of information in the financial statements?
asked by zohdi 
maths!!!!!!!!!
If a and b are coprime positive integers such that 1/2+1/3+1/4+1/5=ab, what is the value of a+b?
asked by please help me out!!! please 
Math
Because of an anticipated rainstorm, the water level in a reservoir must be lowered by 1 foot. Opening spillway A lowers the level by this amount in 4 hours, whereas Opening spillway B does the job in 6 hours. How long will it take to lower the water level
asked by Beth 
maths
how to calculate 36^6/7 ???
asked by tuhituhi 
quick chem
Which of the following wavelengths of light has the highest energy? 1. 10 mm 2. 650 nm 3. 10 µm 4. 0.1 nm 5. 10 cm
asked by Thad 
chemistry
what is the specific heat of copper if the temperature of a 100g sample of copper is increased by 23C when 886J of heat is added ?
asked by Alice 
Math
What are the steps to solve for n?: 50000 = 1000(1 + 0.8)^n
asked by Jess 
Chemistry
When you have 250. mL of a 2.80 M solution of HCl, how many moles of HCl do you have
asked by Kay 
Chem help
Radiowaves travel at the speed of light, which is 3 X 10^8 m/s. If a certain radio station broadcasts at a frequency of 1191 kHz, what is the wavelength of these waves? in meters? C=lamda V lamda= v/c so 1191/3e8 but it doesnt work..?
asked by Thad 
chem
Given the following wavelength of light, calculate the energy of one photon in Joules. λ = 1 x 10^0 meters what does it mean? i don't know what to do or how to solve
asked by will.i.am 
life orientation
what according to the basic condition of employment Act applies with regard to the contravetion tha i identified?
asked by nolwazi 
Math
A community center has 3 tennis teams and 5 basketball teams. No one is on both teams. How many athletes are there? Tennis2 players Basketball5 players Softball10 players
asked by Lee 
World History (Ms. Sue).
What is the significance of emigrants?
asked by Victoria 
PreCalculus
Sue is building a triangle out of sticks. The length of the first side is "a" and the second side is of length "b". The length of the third side must be between 8 and 26 units. Find the product of "a" and "b".
asked by Hannah 
World History (Ms. Sue).
Famine is significant because it forced several immigrants to emigrant to America and flee their homelands?
asked by Victoria 
physics
Can someone please explain to me why or how this statement is true? I don't understand it.. Two events that are simultaneous in one inertial frame of reference will not necessarily be simultaneous in any other inertial frame of reference. Thank you
asked by kayla 
World History (Ms. Sue).
What is the significance of immigrants?
asked by Victoria 
Math
Next door neighbors Moe and Larry are using hoses from each of their houses to fill Moe's pool. They know it takes 12 hours using both hoses. They also know that Moe's hose, used alone, takes 40% less time than using Larry's hose alone. How much time is
asked by Sue 
Chemistry
Determine the boiling point(bp)of 0.44 m Naphthalene, C10H8, in Benzene, C6H6. kb(C6H6)=2.53, bp(C6H6)=80.1
asked by Shelly 
World History (Ms. Sue).
What is the significance of steerage?
asked by Victoria 
business finance
If i invested 10,000.00 in a bank CD that pays a 6% annual interest. How much will the CD be worth at the end of five years
asked by elh009 
Math
Number Sense Fabio said that there are 3 times as many people on a basketball team as on a tennis team. Is he correct? Explain why or why not. Tennis2 players Basketball5 players Softball10 players
asked by Ann 
business finance
Kate Eden received a graduation present of $5,000 that she is planning on investing in a mutual fund that earns 6.00 percent each year. How much money can she collect in three years
asked by elh009 
math
I need help with 40% equal x/30 what is x.
asked by matt 
math
If the digits of a number may be any one of 0 through 9 (except the first digit cannot be zero), and the system of alternating signs of coefficients is used to create a polynomial, what is the least number m of real zeros the polynomial can have? What is
asked by Tom 
World History (Ms. Sue).
What is the significance of the pushpull factor?
asked by Victoria 
Applied Calculus
Find the derivative of the function: f(x)=(x^2+9)/square roote of x
asked by Jacob 
accounting
Suppose that two years after the bonds were issued, the required interest rate fell to 7 percent. What would be the bonds’ value?
asked by lisa 
World History (Ms. Sue).
What is the significance of famine?
asked by Victoria 
math
can someone please explain to me what happens to the mean and standard deviation of the distribution of sample means as the size of the sample decreases?
asked by kacie 
World History (Ms. Sue).
What is the significance of prejudice?
asked by Victoria 
math
A water system of 2 in.(inside diameter) pipe, having a length of 1/4 mile, is to be flushed with a volume of water equal to twice that contained in the system. how much water (gallons) must be flushed through the system? (note: one cubic foot=7.481gal.)
asked by Wilfredo 
World History (Ms. Sue).
What is the significance of nativists?
asked by Victoria 
Geometry...
The angle of elevation of the sun at 10:00 a.m. is 29 degree. At this point, a tree shadow's is 32 feet long. How tall is the tree? IS THE ANSWER 15.5 FT?
asked by Anonymous 
physics
A proton and an electron enter perpendicular to the direction of the magnetic field. The speed of the proton is twice the speed of the electron. What is the ratio of the force experienced by the proton to the electron?
asked by kayla 
World History (Ms. Sue).
What is the significance of romanticism?
asked by Victoria 
World History (Ms. Sue).
What is the significance of the Hudson River school?
asked by Victoria 
clackamas
Consider a $100 investment earning 12% compounded quarterly. How long will it take to triple your money? Round your answer to the nearest tenth of a year.
asked by Anonymous 
physics
A particle with a charge of 5.0 μC and a mass of 4.3 x 106 kg is released from rest at point A and accelerates toward point B, arriving there with a speed of 18 m/s. The only force acting on the particle is the electric force. What is the potential
asked by Anonymous 
English
1..He (saw, seen) dozens of beautiful yellow roses. 2. He (saw, seen) a film about safety. 3. They saw a car that (ran, run) a red light. 4. Officer Hill (did, done) a good job at our school. 1. saw 2. saw 3. ran 4. did
asked by Hayden 
World History (Ms. Sue).
What is the significance of transcendentalism?
asked by Victoria 
World History (Ms. Sue).
What is the significance of civil disobedience?
asked by Victoria 
college algebar
5< x2/6
asked by brenda 
Math
Jake ate seven times more jelly beans as Sam. Together they ate 128 jelly beans. How many jelly beans did each person eat?
asked by Tanya 
Chemistry
Which solution is more concentrated? a) 1.0L of 1.0M aqueous solution, or b) 1.0L of 1.0m aqueous solution
asked by Jeanelle 
mATH
First graders who misbehave in school may be more likely to be regular smokers as young adults according to a new study presented in the July 2004 issue of the American Journal of Epidemiology. After following a group of U.S. first graders for 15 years, it
asked by bETTY 
Java progamming 1
I want the program to ask for and get the price of a book from a user. The program will then multiply the price by 7% sales tax and display both the sales tax and final price of the book (price + sales tax) on the screen. using Netbeans
asked by newton 
Physics
A car travells 20 km due north and then on a bearing of 90 degrees for 12km. Use a scale drawing.
asked by Kuhle 
maths
A coin is tossed M+N times,M>N,then the chance of getting at least consecutive head is
asked by Anonymous 
english
Which is the correct MLA citation for a magazine article? (1 point) Brian Carson. “The Real Story Behind Bigfoot.” Myths and Legends Mar. 2010: 20. Print. Carson, Brian. “The Real Story Behind Bigfoot.” Myths and Legends Mar. 2010: 20. Print. Brian
asked by qasw 
math
what is 85 nearest tenth
asked by matt 
science helppp.
4. Small pieces of rock that enter Earth's atmosphere at speeds of 15 to 70 km/s and burn up are called ____. (1 point) stars meteors meteorites asteroids
asked by jessie 
math
9/5xC)+32
asked by matt 
Math
A survey reported that out of 50 teenagers, 9 said they get their news from a newspaper. At this rate, how many out of 300 teenagers would you expect to get their news from a newspaper?
asked by jenn 
English/Lang. Arts
Which of the following sentences from the article is an example of hyperbole? Here are the examples... A. Ivorybilled woodpeckers still graced the planet. B.According to experts, they need large areas of oldgrowth forest, including many big, dead trees,
asked by Cassie 
math
Peter wants to wear a 3 piece outfit .In the wardrobe he has a white shirt and a blue shirt,a pair of brown trousers,a pair of black trousers and some blue jeans.He has a cashmere coat and a windcheater.How many different 3 piece outfits can he wear? Is it
asked by karen 
math
Suppose 8 out of every 20 students are absent from school less than five days a year. Predict how many students would be absent from school less than five days a year out of 40,000 students.
asked by jenn 
auditing
Bill Jensen, a staff member of Zhan & Co., CPAs, has given you the following list of what he refers to as “internal control deﬁciencies” for the Zabling Co. audit and has asked you to review each point and make certain that you agree that each is an
asked by Anonymous 
A2 Chemistry
This question is about the unnecessary production of carbon dioxide Outdoor flames, such as patio heaters and the Olympic flame, contribute to global warming. This is not only due to the heat released, but also due to the carbon dioxide produced from the
asked by Chris 
PHYSICS
At its normal operating speed, an electric fan motor draws only 10.9% of the current it draws when it just begins to turn the fan blade. The fan is plugged into a 120.0V socket. What back emf does the motor generate at its normal operating speed?
asked by PLEASE HELP 
Math
Write a number sentence. Marshall sleeps 8 hours each day. How manu hours does Marshall sleep in one week? How many hours is Marshall awake each day?
asked by Princess 
Algebra
Find the degree of each monomial 3
asked by Candy 
math
diane works at a public university and contributes $625 per month in her retirement fund. the fund returns 3.84% a year, compounded monthly. how much will she have in her account after 15 years. b. the economy gets better and the return is 7.72%. So now
asked by ken 
Chem Help!!!!!
The angle iron pictured here is made of steel with a density of 7.78g/cm^3. (Figure 1) measurements are: 12.78cm 10.26cm 1.35cm 2.75cm 1.35cm
asked by Lisa 
math
jason has 12 coins in his pocket ,he has twice as many nickles as he has quarters how many nickles does jason have
asked by mahayla 
Math
Nata spent $28 on 2 DVDs. At this rate, how much would 5 DVDs cost?
asked by jenn 
journalism
I'm using a source, can you see if this makes sense.. It's just a piece of my report I'm writing According to Deisinger, at the last two Project Connect events, KCPRI provided services to over 1,500 participants. The racial breakdown for their November,
asked by Blaze 
Chem
What mass of protons would be required to just neutralize the charge of 3.5 of electrons?
asked by Brandi 
Chem
What mass of protons would be required to just neutralize the charge of 3.5 of electrons?
asked by Brandi 
Math
Tricia spent $12 to rent ice skates. She rented them for 4 hours. Which number sentence can you write to find how much it costs to rent skates for one hour?
asked by Jaylen 
Chemistry
C6H14 + 19/2 O2 > 6 CO2 + 7H2O delta H = 4163 kJ What mass of hexane is required to produce 1.0E5 kJ of heat by complete combustion? 4163 kJ/mol x mol C6H14 = 1E5/4163 kJ/mol Mol = 1E5/4163 kJ/mol Mol = 24 mol I know I can do m=n x MM now, but
asked by A Canadian 
physics
A crane is used to hoist a 500kg crate vertically at a constant velocity of 4 meters per second. Ignore the effects of friction. a) calculate the magnitude of the net force experienced by the crate b) calculate the magnitude of the force applied by the
asked by sam 
Precalc
1. Find the exact value 3sin(invertangent (1)) I got 0. Given 0
asked by Rebekah 
english
A person who is meticulous is likely to make swift decisions live a very chaotic life have a very clean house
asked by someone unknown 
chemistry
The volume of a gas at 23◦C and 0.13 atm is 73 mL. What volume will the same gas sample occupy at standard conditions? Answer in units of mL
asked by Anonymous 
Chemistry
Someone said, "Calculate the total delta H of the reaction and subtract the total delta H of the product from it. If you get a positive value, it radiates heat which means it's exothermic. If it is negative, heat is needed to get a reaction so it is
asked by A Canadian