Questions Asked on
December 4, 2016

Linear Algebra
For the matrix A below, find a value of k so that A has two basic eigenvectors associated with the eigenvalue λ = 3. A = [−3 −18 54 204 0 3 −18 −54 0 0 −3 k 0 0 0 3] k = ? I'm specifically having troubles reducing this and knowing what it'll
asked by Alistair 
PreCalc
The initial size of a culture of bacteria is 1500. After 1 hour the bacteria count is 12000. (a) Find a function n(t) = n0e^rt that models the population after t hours. (Round your r value to five decimal places.) n(t) = (b) Find the population after 1.5
asked by Stephon 
MATH
a man bought a piece of land for rs 15000.he sold 1/3 of the land at loss 5% and what gain % should he sell the remaining to gain 8% on the whole.
asked by KUKU 
Math
If he arranges the chairs and six years of the same morning he has all the chairs left over if he arranges the chairs and four rows of the same link he has 19 years left over how many chairs does Liam have
asked by Jimmy 
Calculus
A man 1.69 meters tall is walking towards a building at the rate of 1.5 meters per second. If there is a light on the ground 15 meter from the building, how fast is the man's shadow on the building growing shorter when he is 5 meters from the building.
asked by Harra 
chemistry
A major component of gasoline is octane (C8H18). When octane is burned in air it chemically reacts with oxygen (O2) to produce carbon dioxide (CO2) and water (H2O). What mass of oxygen gas is consumed by the reaction of 8.17g of octane?.
asked by Dee 
physics
A force is applied to a 3 kg mass and produces 5 m/s 2 acceleration. What acceleration would be produced by the same force applied to a 12.2 kg mass? Answer in units of m/s 2 .
asked by jorge 
Maths
The taxi fare in a city is such that rs.50 is the fixed amount for the first two kilometers and rs.10 for the subsequent kilometers is charged.Taking the distance covered as " x"km and total fare as rs ." Y" ,write a linear equation in "x" and "y"
asked by Genius 
PreCalc
An earthquake measuring 6.4 on the Richter scale struck Japan in July 2007, causing extensive damage. Earlier that year, a minor earthquake measuring 3.1 on the Richter scale was felt in parts of Pennsylvania. How many times more intense was the Japanese
asked by Jimmy 
Maths
Find the quotient of 4 5 and 6 7 . Give your answer as a fraction in its simplest form.
asked by Taha 
Calculus
A car travelling at 50 kilometers per hour crosses a bridge over a river 10 minutes before a boat travelling at 40 kilometers per hour passes under the bridge. The river and the bridge are straight and at right angles to each other. At what rate are the
asked by Harra 
Physics
In a scene in an action movie, a stunt man jumps from the top of one building to the top of another building 5.0 m away. After a running start, he leaps at an angle of 10◦ with respect to the flat roof while traveling at a speed of 5.6 m/s. The
asked by Anonymous 
Calculus
A man on a wharf is pulling in a boat by means of a rope attached to the bow of the boat 1 meter above water level and passing through a simple pulley located on the dock 8 meters above water level. If he pulls in the rope at the rate of 2 meters per
asked by Harra 
Maths
divide 1000 among a,b,c in such a way that a gets 120 more than b and b gets rs 110 more than c .hw much each get
asked by Sara 
SS
"We seek no conquest. All we ask it to be left alone According to this quote which statement best summarizes the souths agenda A.to continue their way of life unchanged b to accept changes to the plantation system c. to change the souths borders d. to
asked by Lucina 
Math
Using his driver on the 7th tee, Chris hits an excellent shot, right down the middle of the fairway. The ball follows the parabolic path shown in the figure, described by the quadratic function: h(x)=0.5x0.002x^2. This relates the height, h, of the ball
asked by Meghan 
PreCalc
Suppose that $14,000 is invested in a savings account paying 5.2% interest per year. (a) Write the formula for the amount A in the account after t years if interest is compounded monthly.
asked by Jacob 
Maths
A number consists of two digits.THe digit in tens place is twice that in units place.if 18 is subtracted from the number. The digits are reversed.find the number.
asked by Sara 
Math grade 10
Give quadrilateral EFGH ,with coordinates E(1,4), F(1,2), G(5,0) and H(3,4); verify that EG bisects FH
asked by Unknown 
math
Dr. Mallory practices at your hospital and your competitor. Presented below are data for DRG 469 (major joint and limb reattachments, (lower extremity) with MCC that reflects practice patterns for Dr. Mallory at the two hospitals: Your Hospital Competitor
asked by Alfred Johnson 
statistics
10th grade New York public school students taking a standardized English test produced test scores that were normally distributed with a mean of 85 and a standard deviation of 4. Let x be a random variable that represents the test score of a student.
asked by jill 
Math
A rectangular Persian carpet has a perimeter of 216 inches. The length of the carpet is 30 inches more than the width. What is the dimension of the carpet
asked by Matt 
pre calculus
use matrices to solve the system of equations , if possible. 2x+y+2z=4 2x+2y=5 2xy+6z=2
asked by Anonymous 
PreCalc
The halflife of krypton91 (91Kr) is 10 s. At time t = 0 a heavy canister contains 5 g of this radioactive gas. (a) Find a function m(t) = m02−t/h that models the amount of 91Kr remaining in the canister after t seconds.
asked by Kristen 
Math
Jessica has been given a list of 4 bands and asked to place a vote. Her vote must have the names of her favorite and second favorite bands from the list. How many different votes are possible?
asked by Sara 
English
In "A Cub Pilot", what is one of Mark Twain's purposes in using humor? to make readers think that there is nothing serious about his story to describe what life was like on the Mississippi River to make readers interested in the narrator and the story
asked by Anabel 
math
a metalworker has a metal alloy thay is 25% copper and another alloy that is 60% copper. how many kilograms of each alloy should the metalworker combine to create 90kg of a 53% coppet alloy
asked by shea 
Physics
Kate (m = 50 kg) is swinging on a tire tied by a (light) rope (L = 3 m) to a tree limb. Her twin Ashley comes along and squeezes into the tire with her. Assume that at all times the centre of mass of the person(s) riding the tire is at the end of the rope.
asked by Anonymous 
Algebra
June has $1.95 in dimes and nickels. She has a total of 28 coins. How many dimes and how many nickels does she have?
asked by Samantha 
MATHS
A company is a monopolist. The demand function for its product is as follows: Q = 60 – 0.4P + 6Y + 2A Where Q = quantity sold in units P = Price per unit Y = per capita disposal income (thousands of dollars) A = hundreds of dollars of advertising
asked by NICO 
calculus
if f(x) = (x2)^(1/3) use Tylor's polynomial of degree two about c=3 to estimate the value of (1.36)^(1/3) thanks
asked by danial 
Chemistry
Magnesium metal reacts with HCl(aq) according to the equation: Mg(s) + 2 HCl(aq) → MgCl2(aq) + H2(g) In an experiment to determine the ΔH for this reaction, 0.158 g of Mg metal is combined with an excess of HCl to make 100.0 mL of solution in a coffee
asked by Cali 
math
A factory kept increasing it's output by the same percentage every year .find the percentage if it is known that the output is doubled in the last two years.
asked by daisy 
Physics
A car of weight 1.4*10^4N is moving up an incline at a constant speed of 6.2 m/s . The incline makes an angle of 5.0 to the horizontal. A frictional force of 600 N acts on the car in opposite direction. State the net force of the car
asked by Ashlin 
Maths
The length and breadth of a rectangular hall are 24m and 18m.what is the largest straight line that can be drawn in the floor of the hall.
asked by Anonymous 
physics
In a scene in an action movie, a stunt man jumps from the top of one building to the top of another building 4.4 m away. After a unning start, he leaps at an angle of 17◦ with respect to the flat roof while traveling at a speed of 4.3 m/s. The
asked by Kacie 
Math
A man weight 72 kg his wife rate is 25% less than his if there's somewhere 10% more than his mother find the son weight
asked by ICSE mathematics for class 6 
Math
A college class with 30 sophomores, 18 juniors, and 12 seniors is divided into project groups where each group has the same number of sophomores, juniors, and seniors. What is the greatest number of groups that can be formed? How many sophomores, juniors,
asked by Barbara 
Precalculus
Convert cartesian equation to polar form 1. x^2+y^2=4x 2. (x^2+y^2)^2=6(x^2y^2)
asked by Liv 
Math
Using his driver on the 7th tee, Chris hits an excellent shot, right down the middle of the fairway. The ball follows the parabolic path shown in the figure, described by the quadratic function: h(x)=0.5x0.002x^2. This relates the height, h, of the ball
asked by Meghan 
Artificial Intelligence
Consider a very simpliﬁed model of AES in which there will be only one P box and one S box and an 8 bit key. Use 0xAE as the key. Show, step by step, how one encrypts the string T h e (without any embedded blanks) assuming that each letter is from ISO,
asked by Anil 
Math
A basket of flowers weighing 2kg is placed on a flat grassy slope. The coefficient of static friction between the basket and the slope is 0.4, and the basket is on the point of slipping down the slope. Draw a force diagram to indicate forces (including
asked by s17 
maths
Adding 4 to twice a number yields 25/6.Find the number
asked by Aditya Prakash 
Calculus
A ladder 15 meters long leans against a vertical wall. If the foot of the ladder is being pulled away from the wall at the rate of 2 meters per minute. How fast is the top of the ladder sliding down the wall at the instant when the foot of the ladder is 12
asked by Harra 
Calculus
A stone is dropped into a still pond sends out a circular ripple whose radius increases at a constant rate of 2 meters per second. How rapidly is the area enclosed by the ripple increasing at the end of 20 seconds?
asked by Harra 
Physics!!!!!!
In a scene in an action movie, a stunt man jumps from the top of one building to the top of another building 5.0 m away. After a running start, he leaps at an angle of 10◦ with respect to the flat roof while traveling at a speed of 5.6 m/s. The
asked by Anonymous 
Business Analytics ISDS361B
Eli Orchid has designed a new pharmaceutical product, Orchid Relief, which improves the night sleep. Before initiating mass production of the product, Eli Orchid has been markettesting Orchid Relief in Orange County over the past 9 weeks. Now that the
asked by Kim 
ACCOUNTING
On April 1, 10,000 shares of $5 par common stock were issued at $22, and on April 7, 5,000 shares of $50 par preferred stock were issued at $104. On April 20, 5,000 shares of common stock were issued in exchange for land. The stock had a market value of
asked by AMY 
Math
The diagonal of a square is 3 feet long. Find its perimeter. My answer: a^2+b^2=c^2 x^2+x^2=3^3 2x^2=9 divide both side by 2 x^2=4.5 x=√4.5 x=2.1 feet Is this right?
asked by Taylor 
Physics
A 200kg wagon is pushed along a horizontal surface at a constant 10m/s when it is released. After rolling a distance of 45m the wagon comes to a complete stop. Find the coefficient of friction.
asked by Emma 
Hyperbolas, comic sections
So I have this equation: 36x^2121y^2=49 Which I rearranged to 36x^2/49121y^2/49=1 So I want to go from here and find the eccentricity,foci,asymptotes etc... But I'm getting myself confused. Since my equation is of the form x^2/a^2y^2/b^2=1 Both a and b
asked by Mrbob 
English
What is one possible theme of I Know Why The Caged Bird Sings? Marguerite did well when her mother sent her to live with her grandmother. There is no sense dreaming about the future when you are unhappy. The author grew up to become a success in several
asked by Anabel 
math help
What is the smallest number i must multiply 315 in order to make it a perfect cube? Please tell me the method you sed and how you got the answer. I've been doing guess and check and it is time consuming.
asked by Farhin 
math
The Following Table gives the sales for the Sasquatch Men's Shoe store: Shoe Size , Frequency (number of pairs sold) 4 , 8 5 , 12 6 , 31 7 , 50 8 , 58 9 , 46 10 , 37 11 , 14 12 , 11 1)determine the mean for the distribution, correct to 2 decimal places. 2)
asked by josh 
science
what city goes below sea level first miami or new orleans?
asked by Anonymous 
math algebra
A tax free municipal bond pays 4.75% compounded continuously. What is the value of a $2,000 bond after 30 years? Round your answer to the nearest cent. [Hint A=P e^rt where P= present(initial) value, A= future value, r= annual rate, and t= number of
asked by tom 
Math
how many different sums of money can be formed by choosing 1 or more coins from 4 different kind of coins?
asked by NINAA 
math
two number cubes are rolled. what is the probability of getting a sum less than 5? 68/100 =0.68=68% ?? can you explained how to solve showing steps.
asked by marilyn 
Math
Search: Side of a rectangle is in the ratio 1:1√2 if the length of the larger sides is 12cm then find its area
asked by Basheera 
math
trapezoid abfe is similar to trapezoid efcd. a 3 b e 4.5 f d c What is the length of ___? DC
asked by marilyn 
math
Eldon received 72 on his first calculus test. The marks were normally distributed with a mean of 60 and a standard deviation of 8. He received 80 on the next test, which was normally distributed with a mean of 75 and a standard deviation of 6. Which was
asked by josh 
Math
The Walters' backyard pool is rectangular in shape and is similar to the rectangle formed by their fenced backyard. The pool measures 10 ft long and 8 ft wide. If the length of the backyard is 35 ft long, what is the width of the backyard?
asked by marilyn 
Maths
Collect marks of 10 of your classmates in different subjects in the recent examination.estimate mean of mark in each sub
asked by Arun 
Maths
Musa is 12 years older than his sister Bisi, in 4 years time Musa will be twice as old as Bisi. Find their present ages.
asked by Oroge Faith O. 
Physics
Santa Claus (mass = 150 kg) is leaning his sled(mass = 50 kg, length = 6 m) at an angle of 72° against the wall of the house to enter from the roof the living room. Considering a coefficient of friction of 0.29 between the ground and the sled and no
asked by Chika 
physics
Determine the force per meter on a lightning bolt at the equator that carries 20 000 A and is perpendicular to the Earth’s magnetic field, 3x105 T. What is the direction of the force if the current is straight up and the Earth’s field direction is due
asked by ainul 
Math
A clock loses 1/2 minute every hour if it is put right at 6:00am on Sunday what time will it show the following Sunday when the correct time is 7:00 am
asked by Ady 
Math
T=r/d What is r? What is d? And how?
asked by Freddy 
Math geometry
Given:segment FJ congruent to segment IJ Conclusion: Reason:
asked by Dorothy maayas 
Math
On Sunday Mrs Scott drove for 10 hours at an average speed of 60 miles per hour on Sunday she drove for 10 hours at an average speed of 55 miles per hour her car can travel 25 miles for each gallon of gas how may gallons of gas did Mrs Scott use on both
asked by Jenny 
Propotion
A taxi cover a distance at the speed of 60 km/hr. How much time it will take to cover the same distance at the speed of 80 km/hr?
asked by Anonymous 
American Government
Describe the department/agency its purpose and contributions to human rights
asked by Becky 
Math
If a and b are roots of ax^2+2bx+c=0 and p+s and q+s are roots of Ax^2+2Bx+C=0 then prove b^2ac/B^2AC=a^2/A^2
asked by Aradhna 
Chemistry
Table sugar consists primarily of sucrose, C12H22O11(s). The standard enthalpy of combustion for sucrose is the ΔHo for the reaction: C12H22O11(s) + 12 O2(g) → 12 CO2(g) + 11 H2O(l) Calculate this ΔHo. Give your answer in units of kJ to five
asked by Cali 
English
Chapter 2 of the scarlet letter What does this tell you about the puritan people? "there appeared, in the first place, like a black shadow emerging into the sunshine, the grim and grisly presence of the townbeadle, with a sword by his side and his staff
asked by Aria 
Chemistry
A Starbucks Venti Caramel Macchiato contains about 42.0 grams of sugar. If we assume all the sugar is in the form of sucrose, use your answer from Question 4 to determine how many nutritional calories are produced in burning this quantity of sugar. Give
asked by Cali 
Economics
Suppose that there are 1,000 hotpretzel stands operating in Toronto. Each stand has the usual Ushaped average total cost curve. Both the market demand curve and the supply curve for pretzels are linear, and the market for pretzels is in longrun
asked by Mitch 
Maths
Two numbers are in the ratio 2:7.if sum of the numbers is 99 , find them
asked by Prasad 
algebra
A man goes 3 km north and 4 km east.Find how far away is he from his initial position?
asked by swapan 
physics
A 2000kg automobile with fourwheel drive and weight distributed equally on the four 60cm diameter wheels can accelerate from 0 to 27 m/s (60 MPH) in 6 seconds. a. Calculate the minimum coefficient of static friction between the tires and the ground. (10
asked by jennifer 
History
What did the Edict of Nantes do for the Economy?
asked by Sara 
History
What did the Edict of Nantes do for their culture?
asked by Sara 
physics
A daredevil is shot out of a cannon at 49.7◦ to the horizontal with an initial speed of 29.9 m/s. A net is positioned at a horizontal dis tance of 49.8 m from the cannon from which the daredevil is shot. The acceleration of gravity is 9.81 m/s2 . At
asked by Kacie 
Math
tinku is fond of collecting spiders and insects. He knows spiders have 8 legs and insects have 6 legs. he counted 36 legs. How many of each does he have in hi collection?
asked by Harshita 
Math
A boat traveled 36 mi up a river in 3 hours, returning downstream, the boat took 2 hours. What is the boat's rate in still water and what is the rate of the river's current?
asked by Raquel 
physics 2
How much higher will mercury stand in the open arm in a JTube manometer, if air column in the closed arm is reduced to 4 cm, the mercury id at the same level in both open and closed arms when the air column in the closed arm is 15 cm long. Assume
asked by prince 
Physics
(a) If the wavelength of an electron is 5.37 ✕ 10−7 m, how fast is it moving? (b) If the electron has a speed equal to 3.80 ✕ 106 m/s, what is its wavelength? What equation should I use?
asked by Jake 
mathematics
a classroom is 11m long and 8m wide and 5m height .find the sum of area of its floor and the four wall.
asked by kora mosu 
math
The results of a survey of students favorite candy is shown. If 100 students were surveyed. 30% students would prefer which candy? Gummi bears 23% Skittles 30% Jolly Ranchers 32% starburst 15%
asked by kk 
Chemistry
A recipe calls for 5M of sucrose (C12H22O11) dissolved in 750mL of H2O. Please calculate the total mass (g) of sucrose needed. Show all work.
asked by Melissa 
chemistry
calculate the mass of butane needed to produce 79.7g of carbon dioxide. express your answer to three significant figures and include the apprppriate units
asked by marion 
Physics
A daredevil is shot out of a cannon at 44.9◦ to the horizontal with an initial speed of 27.5 m/s. A net is positioned at a horizontal dis tance of 41.2 m from the cannon from which the daredevil is shot. The acceleration of gravity is 9.81 m/s2 . At
asked by Anonymous 
Statistics (Math 210)
Hi there, I am working on a few homework assignments and having trouble with a few questions. I sincerely appreciate any and all help! :) A bank claims that the mean waiting time in line is less than 4.1 minutes. A random sample of 60 customers has a mean
asked by Christa 
Statistics (Math 210)
Hi there, I am doing my statistics homework and am having trouble with a few problems. I sincerely appreciate any help I receive! :) A manufacturer claims that the mean lifetime of its lithium batteries if 1200 hours. A homeowner selects 25 of there
asked by Chris 
math
When a chemist dilutes pure acid with another substance, the resulting mixture is no longer pure acid. Consistent with the words, pure acid is 100% acid. So, there are 20 grams of pure acid in 20 grams of a pureacid solution. Laura, a chemist, has 20
asked by Julia 
Statistics (Math 210)
Hi there, I am doing my statistics homework and am having trouble with a few problems. I sincerely appreciate any help I receive! :) A manufacturer claims the standard deviation of salt in their meat is .5. An SRS of 18 samples shows the standard deviation
asked by Chris 
Sequence and serice
Express 0.54 as a rational number
asked by Pratiksha 
Statistics (Math 210)
Hi there, I am doing my statistics homework and am having trouble with a few problems. I sincerely appreciate any help I receive! :) According to a local chamber of commerce, in 1993, 5.9% of local area residents owned more than five cars. A local car
asked by Chris 
English
How do the themes like the will to live, the importance of storytelling, and the nature of religious belief help drive the plot forward? I don't really know how to answer this.
asked by Sam 
PHYSICS (REALLY DIFFICULT PLEASE HELP)
At a temperature of 18.0°C of 23.0cm^3 of a certain gas occupies has pressure of 103 kPa. (a) What volume would the gas occupy at a temperature of 0.00°C and pressure of 101kPa? (b) 1.00 moles of a certain gas occupies a volume of 22.4 litres at 0.00°C
asked by Josh 
Math
A company establishes a sinking fund in order to have 100,000 for upgrading office equipments in 4 years. If the company makes fixed monthly payments into an account paying 6.6% compounded monthly, how much should each payment be? How much interest will
asked by John 
Maths
Mari is 3 times older then nandhini after ten years the sum of thare ages will be 80 find the present age???
asked by Anonymous 
pre calculus
use matrices to solve the system of equations , if possible 2x+3y+z=10 2x3y3z=22 4x2y+3z=2
asked by Anonymous 
Math
Two parallel lines are cut by a transversal Suppose m∠438° Find m∠6 and m∠7 * m∠6 and m∠7 are corresponding angles *
asked by Sara 
attitude
why would someone post im not writting a paragraph just dont say anything instead of being hateful this post is for the person teapoi you dont belong herlping kids with homework you are hateful and unkind you need to buzz off i would say !@#$%^& butt this
asked by gracie 
math
r is no less than 1 unit from 24
asked by jacob 
Math
a number n is divided by 4 and the result is divieded by 3 . The final result is 2. What was the original number?
asked by Rifat 
math
Theresa has a chose of which pack of pencils to buy. At the store 20 pencils cost $4.00, or 12 pencils for $2,70. A) which is the better buy based on its cost per pencil? B) what is the difference of the cost per pencil between each pack?
asked by Anonymous 
algebra
The diagonal and the longer side of a rectangular plot are together three times the length of the shorter side. If the longer side exceeds the shorter side by 140 feet, what is the area of the plot?
asked by jacob 
Algebra
Identify the type of conic section that has the equation 9x^2 + 25y^2 =225 and identify its domain and range.
asked by Anonymous 
MATH
Let F(x) = ∫0 to x e^(t^2)dt a) Compute limx → ∞ (xF(x))/ (e^(x^2)) b) Compute limx → 0 F(x)/(xe^(x^2))
asked by HELLPPP!!!! 
Algebra
The sum of two numbers equal 25. The second number is 4 times larger than the first number. What are the two numbers
asked by Leroy 
Physics
A 52.4 kg pole vaulter running at 10.8 m/s vaults over the bar. The acceleration of gravity is 9.81 m/s2 . If the vaulter’s horizontal component of ve locity over the bar is 0.60 m/s and air resis tance is disregarded, how high is the jump? Answer in
asked by Anonymous 
6th grade math
My question is: Between which two whole integers is 0.5. how do I explain this
asked by Justin 
comparing fractions
A third grade class was given a multiplication quiz. The quiz had 10 problems. Any correctly answered 6 problems, Bobby answered 7 problems correctly, Tom answered 9 problems correctly, and Sue only answered 2 problems correctly. A. What fraction of the
asked by Emma 
Math
Amman hikes 2 3/4 miles of nature trail in 1 hour and 15 minutes. How many miles of trail does Amman hike per hour?
asked by Mo 
science
what makes us cry while chopping the onion?
asked by shall 
Math
Input 48,24,12,6 Output24,12,6,3 Rule?
asked by Anonymous 
Physics
A ball having a weight of 1.5 N is dropped from a height of 4 meters. (Neglect air friction.) How much mechanical energy is "lost" just before it hits the ground?
asked by Noah Alvarado 
math
Tony bought some stock for $504. If each share had cost $4 less he could have bought 3 more shares for the same $504. How many shares of stock did he buy
asked by jacob 
Algebra
Thank you...I forgot to add the other part of the question.. The sum of two number equal 25 The second number is 4 times larger than the first number. Write the two equations AND what are the two numbers. I have x+4x =25 but not sure what the two equations
asked by Leroy 
7th grade math
A track is 3/4 mile long . The track is measured in units called furlongs. one furlong is equivalent to an 1/8 of a mile. Ho long is the track in furlongs? Thanks! I think it is 3/4 times 1/8 equal 3/32
asked by please check my work 
Algebra
okay...I just figured out the two numbers...but not the two equations: x+4x = 25 5x = 25 x=5...so two numbers are 5 and 20 thanks for your help
asked by Leroy 
Math
If the perrimiter of a regular hexagon is 75 what is the length of each side
asked by Rose 
Math
A submarine is at a depth between 100 and 200 feet the surface of the water is represented by the number 0. Which number could represent the depth, in feet, of the submarine? A225, b145, c40, d 165..
asked by Larry 
math
you are dealt 13card bridge hand from a 52card bridge deck. what is the probability that you will be dealt exactly 5 hearts? what is the probability that you will dealt at list 2 hearts? what is the probability that you will receive 5 hearts, 4 clubs, 2
asked by Alex 
Algebra
Can you please help? I am working System of Equations. I need to find the solution of each of the following systems: How do I solve...thank you Y = 5x 3 and Y = 3x +5
asked by Jaraud 
Math
r=4/(26sinϴ) 1. What is the eccentricity of the function? 2. What is the distance between the pole and the directrix? 1. A. 2 B. 2 C. 3 D. 3 2. A. 2 B. 2/3 C. 3 D. 6
asked by Sade 
physics (urgent)
Two identical gas cylinders each contain 20.0 kg of compresses air at 1.00 x 106 pa and 275 K. One of the cylinders if fitted with a safety valve that releases air into the atmosphere if and only if the pressure in the cylinders raises above 1.10 x106 pa
asked by David 
Math
Please Help Me! The equations below express the relationship between a person's height, H, and femur (thigh bone) length, F. Both measurements are in inches. Males : H=27.5+2.24F Females: H=24+2.32F a) If a man's femur is 20 inches long, about how tall is
asked by Minny 
PHYSICS HELP
Two identical gas cylinders each contain 20.0 kg of compresses air at 1.00 x 106 pa and 275 K. One of the cylinders if fitted with a safety valve that releases air into the atmosphere if and only if the pressure in the cylinders raises above 1.10 x106 pa
asked by David 
Chemistry
A solution is made by dissolving 55g of KCl in enough water to make 1.00 L of solution. Assume that the density of the solution is 1.00 g/mol. Calculate the mass percent, molarity, molality, and mole fraction of KCl.
asked by Alivia 
Physics
A 15 kg box is given an initial push to start it moving up a frictionless ramp with angle theta = 30 degree and length delta r = 22m. What horizontal force F will keep the box moving with constant speed to the top of the ramp?
asked by Mary 
math
A rational function is defined as this: $$ f(X) = \frac{a_0 + a_1X + a_2x^2 + \cdots a_n X^n } {b_0 + b_1X + b_2 X^2 + \cdots + b_mX^M} $$ Which allowing complex numbers can be factored to this: $$ f(X) = \frac{a (X  \alpha_1)^{e_1} (X  \alpha_2)^{e_2}
asked by clay 
language arts
1. which of the following sentence contains a linking verb ? A. Teresa wore her fav shoes today. b. her shoes look really comfortable c. she put them on with striped socks d. Teresa walked for hours without a complaint ! I'm not sure whts the answer , I
asked by andrew 
Biotechnology
Consider the titration of 25.0 mL of 0.050 0 M Sn2+ with 0.100 M Fe3+ in 1 M HCl to give Fe2+ and Sn4+, using Pt and calomel electrodes. (a) Write a balanced titration reaction. (b) Write two halfreactions for the indicator electrode. (c) Write two Nernst
asked by Minh 
chemistry
illustrate how to prepare a 1:3 solution of 0.5 hydrochloric acid
asked by Priscilla 
P.E.
Is this one a roller board? Beneath the board, there are rollers. Children like to ride on this board in the park. They can go faster because of the rollers beneath the board. Could you let me see the photo of 'roller board'? Thank you.
asked by rfvv 
Physics
A 0.5 kg airtrack car is attached to the end of a horizontal spring of constant k = 20 N/m. The car is displaced 15 cm from its equilibrium point and released. a) What is the car's maximum speed? b) What is the car's maximum acceleration? c) What is the
asked by Anonymous 
Physics
A mass (0.5 kg) and spring (k = 250 N/m) system oscillates with an amplitude of 3.5 cm. a) What is the total mechanical energy of the system? b) What is the maximum speed of the mass? c) What is the maximum acceleration of the mass? I need help please.
asked by Anonymous 
Math
If the hotair balloon shown in the shape of spehre, what is its radius? (Hint: V= 15,000 cubic ft.)
asked by Alazia 
English
From this morning, the rain will set in all over the country.  What is the meaning of 'set' in this sentence? Is 'set' used together with 'in' as in this sentence?
asked by rfvv 
Chemistry (equlibrium direction) urgent
Consider the endothermic reaction 2 NO(g) N2(g) + O2(g) If I decrease the volume of the vessel and increasing the total pressure in the vessel, what direction will the equilibrium will shift? (left/right) (I know that decreasing the volume would shift to
asked by Ray 
math
On May 23, Samantha Best borrowed $4,000 from the Tri City Credit Union at 13% for 160 days. The credit union uses the exact interest method.What was the maturity value of the loan?
asked by Anonymous 
Social studies
IS ANYONE IN CONNECTIONS ACADEMY 6th GRADE! I need help with the social studies test please!
asked by Connections Academy 6th grade 
English
What is the purpose of the author using flashbacks in the short story 'penny in the dust'?
asked by Jade 
math double check please
GCF and LCM of 252, 420, and 180 252: 2,2,3,3,7 420: 2,2,3,5,7 180: 2,2,3,3,5 GCF is 12 and I think LCM is 1260? Can you please tell me if I'm right?
asked by Farhin 
Science
. What is the freezing point of a solution that contains 3.5 mol of the ionic solid BaCl2 dissolved in 500. grams water?
asked by Raam