Questions Asked on
September 3, 2015

physics
B = 10 log (1)
asked by Anonymous 
Math
Pouring concrete into backyard. The patio slab will be 7m long, 2m wide and 10cm deep. How many cubic meters of concrete will you need to fill the patio?
asked by K 
Community psychology
Can some on think of a public meeting with board of directors that are like involved for a community I need to like a website do to need to write down the public meeting .
asked by Angel 
Math
you are making identical gift bags using 24 candles and 36 bottles of lotion. What is the greatest number of gift bags you can make with no items left ?
asked by Sha'Marion 
math
Luanne estimates the sum of 39 + 15 is about 40 + 15, or 55. Jacob estimates the sum of 39 + 15 is 40 = 20 or 60 which one is closer to the exact sum?
asked by jen 
Chemistry
Write the balanced chemical equation for the reaction of the weak acid HCN with water. Include the phase of each species.
asked by NA 
calculus
the equation y+y"=0 is the differential equation of? a.)sine function b.)sinusoidal c.)cosine function d.) a and c e.) abc
asked by .do 
math
Beaker A,B and C contain water with a total volume of 1 litre.Beaker B has 125 millilitres less water than beaker A. Beaker B has twice as much water than Beaker C.Find the volume of water in beaker B.
asked by harry 
math please help!!
The depth d of water in a tank oscillates sinusoidally once every 4 hours. If the smallest depth is 7.9 feet and the largest depth is 10.1 feet, find a possible formula for the depth in terms of time t in hours. (Let the water depth be at the average when
asked by Natalie 
physics
physics:the notes at 110Hz has two strings at this pitch. if 1 slips from its normal tension of 600N to 540N what beat frequency would be heard when the two strings are stuck simultaneously?
asked by Abenaa 
physics
a 60kg student travelling in a 1000 kg car with a constant velocity has a kinetic energy of 1.2 *10^4 J. What is the speedometer reading of the car in km/h?
asked by James 
Pre Algebra
Use multiplying by 1 to find an expression equivalent to nine fourths 9 4 with a denominator of 3232xx.
asked by Larry 
Math
0.00013x^2 + 0.0063x  4.7=0 Ans: x= 215.91,167.45 Find x I used b± sqr b^24ac/2a I couldn't get that answer. please help.
asked by Jay 
Camansi National High School
Math In a 3 digit number the hundreds digit is one half of tens digit while the ones digit is more than the tens digit. If the sum of 3 digit is 11, find the numbers.
asked by Jenny Rose 
Math. Check my answers
1. What is the solution to 89+k=42? a. K = 131 b. K = 47 c. K = 47 d. K = 131** 2. What is the additive inverse of 7? a. 7 b. 7** c. 7 d. ((7)) 3. What is the solution to y7=7? a. y=14 b. y=7 c. y=0** d. y=7 4. What is the value of
asked by Lorea 
science
History as a process and history as a study are interdependent. Explain
asked by Godwin 
physics
A wheel starts from rest and rotates with constant angular acceleration and reaches an angular speed of 12.0 rad/s in 3.00 s. Find the angle (in radians) throuh which it rotates in this time.
asked by Godwin 
math
Jung bought 15 years of clothes. he used 2 1/3 yards of cloth to make a jacket. He cut the remaining cloth into equal pieces.find the length of each of the remaining pieces? my answer : 15 used 2 1/3 cut 12 3/4 to 2 equal pieces length: 12 3/4 x 2 =24
asked by bandar 
math
Sarah had 4 pieces of rope.each piece was twice the length of the previous piece. the first piece was 1 foot 3 inches long. How many feet of rope did Sarah have altogether. first piece=1 foot 3 inches second piece= 2x1 foot 3 inches third piece= 2 foot 6
asked by bandar 
physics
A resultant force of 20 N gives a body of mass m an acceleration of 8 m/s^2 and a body of mass m' acceleration of 24 m/s^2. What acceleration will this force cause the two masses to acquire if fastened together.
asked by paresh 
math
ung bought 15 years of clothes. he used 2 1/3 yards of cloth to make a jacket. He cut the remaining cloth into equal pieces.find the length of each of the remaining pieces? my answer : 15 used 2 1/3 cut 12 3/4 to 2 equal pieces length: 12 3/4 x 2 =24
asked by bandar 
Chemistry
A star is estimated to have a mass of 4.4x1026lbs. It has a diameter of 8.69x105 mi. Calculate the density in g/cm3.
asked by Kay 
math
(5 + x2)y'' − xy' + 10y = 0, x0 = 0 Find the first four terms in each of two solutions y1 and y2
asked by hi 
Geometry
A circle has a center at (3,5). The point (3,8) is on the circle. What is the circumference of the circle to the nearest tenth of a unit?
asked by Anonymous 
raj english school
the diameter of a wheel is 63 cm, the distance travelled by the wheel in 200 revolution is :
asked by sushil singh 
Math
$38,000 loan, 60 month/ 5years, 7.5% rate, and the payments are made quarterly not monthly. How much are the payments going to be?
asked by Erin 
MATH
if nCr+2*nCr=nCr4+1*nCr1
asked by sara 
Math
Determine the sum of all the numbers that can be formed with digits 1,2 and 3, each occurring only once in a number
asked by Noor 
Math
Find the sum of all the numbers that can be formed with the digits 3,4 and 0, repetition of the digits being not allowed
asked by Noor 
Math
Calculate the sum of all possible two  digit numbers using 3 and 4
asked by Noor 
Mat
Express 210 as the product of primes
asked by Noor 
Math
Rectangular courtyard is 57m 50cm and 22m broad. Determine the least possible number of square stones of the same size required to pave it.
asked by Noor 
English
1. Did anyone call me while I was gone? 2. Did anyone call for me while I was gone?  Yes, you have a message from Lisa. =========================== Which question is right? What is the difference between 'call me' and 'call for me'?
asked by rfvv 
Algebra
Please check my answers 1.)what is the algebraic expression for the following word phrase : the product of 6 and n ? A.6n B.6+n C.6n***** D.n/6 2.what is the algebraic expression for the following word phrase : the quotient of 6 and the sum of x+y?
asked by Bubbles 
Algebra. Please check my answers
Evaluate a/b+c^d for a=6,b=3,c=4 and d=5 A.42*** B.18 C.82 D.360 What is the simplified form of the expression ? (12x8y) A.12x+8y B.12x8y***** C.12x+8y D.12x8y
asked by Help please 
sjpuc
A swimmer speed in the direction of flow of water is 60km/hr .against the direction of flow of water is 8km/hr calculate the swimmer speed in still water and velocity of flow of river
asked by abhishek.h 
Medcal Billing an Coding
I am stuck on this one coding scenario I'm hoping you can help me. I have gotten CPT code 90947 or 90945 but I am unsure which is the right one? I need a CPT code for an inpatient hospital scenario, Dialysis Progress Note. The patient was seen during CAPD
asked by Sylvia 
Chemistry
I'm having trouble with knowing the relations between quantum numbers n, l, m(sub l), and m(sub s). Could you please explain?
asked by Sarah 
Algebra
1. Which is an example of an algebraic expression? A. 4(3 +8) B. 18^2 C. 3  a D. 21 . 4 *** 2. Which is an algebraic expression for 5 more than z? A. 5z B. z + 5 C. 5z + 5 *** D. 5  z 3. Which word phrase can be used to represent the algebraic expression
asked by Abby 
Algebra
Evaluate the following expressions using formula : 16a^2+24ab+9b^2,when a=4,b=3
asked by Noor 
history
Why did the founding fathers separate the powers of government?
asked by Sammy 
Thermodynamics
Can I have any energy transfer as heat transfer that is 100% available? Explain with equation
asked by shane 
Algebra 2
solve the inequality. Graph the solution set. 5r + 4 is less than or equal to 5
asked by bubblegum 
Thermodynamics
Help me please...! take home quiz >.< A 1Kg of Water at 80 degree Celsius is added to 0.8Kg of water at 20 degree Celsius find the change in entropy.?
asked by shane 
maths
a cell phone plan has a basic charge rs35 per month . the plan includes 400 free minutes and charge 10paise for each additional minute of usage. write the monthaly cost c as a function of number x of min used .
asked by sasi 
Algebra
Which expression is equivalent to (2) (a+6) 2a +6 2a+12 2a12****** 2a+12
asked by Trish 
mathematics
A two digit number became fivesixth of it self when it's digit are reversed the digit are differ by one .Find the number.
asked by Rohit Mali Guhala 
Algebra
What is the simplified form of the expression? A fraction with a numerator of 5(14 – 2) squared and a denominator of 2. 60 30 72 360************
asked by Trish 
math
So what I have to do is say which property justifies each step, this is what I put and my teacher said I got it wrong... could someone please help me? question~ 3. (6a + 2a) +8b = (6 + 2)a + 8b Answer~ Associative property of addition
asked by abby 
Algebra
A small garden measures 7 ft by 14 ft. A uniform border around the garden increases the total area to 170 ft2. What is the width of the border?
asked by Tonya 
Calculus (limits)
The question is to "state the value of each quantity, if it exists." We are given a piecewise function that is graphed, and no equation. What does it mean when we're asked to find f(2)?
asked by Kelly 
cms
how much water we will add in 300 lliter of a solution then its concentration must be changed from 25% to 20%
asked by suhani 
MATHS
A MAN SPENT 1/2 OF HIS MONEY ON BUNS AND 2/3 OF THE REMAINDER ON BREAD AND HAVE 200 NAIRA LEFT HOW MUCH DID HE HAVE AT
asked by ABIGAIL 
geometry
describe a process you would use to create the perpendicular bisector to a segmant AB using only an unmarked strait edge and an unmarked compas
asked by bbg 
maths
a person left a property of 30000 heritage is divided into his 4 sons and 3 daughters such that each daughter get half of the sons share . a loan of 8000 also to be paid. find the share of each.
asked by jas 
P.E
can stress can have longterm physical and emotional consequences
asked by gavin 
geometry
gi bisects angle dgh so that m
asked by bbg 
Algebra
5 more than twice a number is the same as 3 times the number.
asked by Brayan 
geometry
pleases help.. the midpoint of uv is (5 11) the concordance of one endpoint are u(3,5) find the coordinates of endpoint v
asked by jadde 
Accounting
Department S had no work in process at the beginning of the period , 18,000 units were started during the period, 2,000 units were 30% completed at the end of the period, and the following manufacturing costs were debited to the departmental work in
asked by Andrew 
Sttistics/Please Help
What is the value of the Yintercept of the leastsquares regression line from this data? Round you answer to at least two decimal places. I add all the y up's and came up with 2714.4. Then is says the leastsquares regression line for these data has a
asked by Mary Ann 
Algebra
Simplify 0.5(4.1x+3.6y)
asked by Carter 
Science
Scientific methodology is what distinguishes science from other disciplines. Explain
asked by DAVID 
Math
Simplify 4(9x13)
asked by Austin 
Syangempumelelo
Illustrate three ways on how this issue can impact negetive to the health of the people in your school
asked by Nondumiso 
Jose
Simplify 12x(10+4x)3x(9x8)
asked by Prealgebra 
ms.sue math
Which sum will be irrational? a. 3 + 2 b. √19 + 7/2 ****** c. 18/3 + 11/10000 d. –6 + (–3.251) Which product will be rational? A.17.12 * 33 ***** B. √ of 3 * √ of 9 C.4*pie D. √ of 20 * 15 A whole number is added to a number with two digits
asked by Anonymous 
algebra 2
it gives me long dry headaches. Solve the value equation 2/3x  5/  8=8 I know I have to add that 8 to the right side of the equal sign.
asked by bubblegum 
Health
In striving to meet the 2010 Dietary Guidelines for Americans, one should consume more of certain foods and nutrients such as ________.
asked by Cassandra 
Alg 2
Expressions, Equations and Inequalities I am struggling can someone please explain how to get the correct answer choice thank you! 1. Which of the following is equal to (3x/57)+7 5x/3 3x/5 3x35/5 (3x7)+35 5. name the property of real numbers illustrated
asked by Missy 
Algebra
"if a is not equal to 0, find the intercepts of the graph of y=ax+b in terms of a and b?"
asked by Nandhika Sivakumar 
writing
Jack was told the overall content of his paper was weak. What does this mean? A. The tone of his paper was not original B. He had too many grammatical errors. C. The overall ideas in his essay were not fully developed. D. The flow of his essay was
asked by anon 
Precalc Math
The question says express each repeating decimal as a fraction: 5.23232323 This is my work but my answer doesn't seem right: 100x= 523.23232323  10x= 52.23232323 90x= 470.909090 / 90x. \90x x= 5.23232323 What am I doing wrong? And how am I suppose to know
asked by Diana 
entrepreneurship 1
If you would be an entrepreneur what business would u like to own? what would be some concepts or what you would do. i'm trying to create a company but i don't know what i should do whether cleaning service, construction service etc, so i'm wondering what
asked by anonymous 
Math
Joy put 6 photos on each page of her album. When she was done , she had 2 pictures left over. She put 38 pictures in the album. Which equation can be used to find how many pages joy filled?
asked by Mo 
physics
physics:the notes at 110Hz has two strings at this pitch. if 1 slips from its normal tension of 600N to 540N what beat frequency would be heard when the two strings are stuck simultaneously?
asked by Abenaa 
math
2. You are installing a new preconstructed fence in front of your house. Each fence section measures 4 1/2 feet wide, and each end will also have a decorative piece that measures 1 3/4 feet wide. If the space for the fence is 30 feet wide, what is the
asked by celine 
Math
Which list shows the pattern you would get if you used the rule 12n? A. 12,14,16,18 B. 12,24,36,48 C. 12,13,14,15 D. 12, 22, 42,52
asked by Mo 
Math
How do I identify the property used in a number sentence?
asked by Tori 
Math
The question says express each repeating decimal as a fraction: 5.23232323 This is my work but my answer doesn't seem right: 100x= 523.23232323  10x= 52.23232323 90x= 470.909090 / 90x. \90x x= 5.23232323 What am I doing wrong? And how am I suppose to know
asked by Diana 
math
P(5, 5) is a point on the terminal side of θ in standard position. What is the exact value of sec θ?
asked by Anonymous 
Biology
Justify why it is important to scientists to have a universal system of measurements. What does this mean? Can someone help explain it to me? I'm doing some research but I'm still confused. Please help? Thanks
asked by SkatingDJ 
Medical Billing and Coding
I need a CPT code for an outpatient hospital scenario, Radiology Report. Examination: MRI of brain with contrast. Clinical symptoms: Slurred speech, right arm weakness. Magnetic resonance examination of the brain was performed prior to contrast utilizing
asked by Sylvia 
Mchitheki
Life orentation
asked by Nomvula 
Algebra
20 years ago, dan is 16 more than twice the age of ken. the sum of their ages is 70. how old are they?
asked by Abby 
algebra
Which of the following is the most appropriate unit to describe the time you can drive a car based on the amount of gas? Minutes per gallon, because the independent quantity is the gallons Minutes per gallon, because the independent quantity is the minutes
asked by oscar 
american history
What were the key aspects of Lyndon B. Johnson’s Great Society?
asked by Alex 
Math
When does the square root of "n" represent a rational number? a. n is a perfect square b. n is a positive integer c. n can be written as a ratio d. n can be any real number Which is it and please explain.
asked by Conner 
american history
What factors led the wartime alliance between the United States and the Soviet Union to disintegrate into the Cold War?
asked by Alex 
precalc
For the graph y=2, what is the: A) Domain B) Range C) X values of all zeroes D) Equations of all asymptotes E) 1 to 1 or not F) Continuous or not (if continuous tell where) G) Increasing, decreasing, both (if both tell where), or neither H) Bounded above,
asked by u 
american history
Did the Watergate scandal have any lasting effects on the nation? Explain.
asked by Alex 
PreCalculus
Write a linear equation to fit the description. The line with a slope of zero containing the yintercept of x/3 + y/9 = 1 I'm not sure what to do here. Can someone please help me?
asked by Yani 
chem
which of the following are mixtures? 1. air (mostly n2 and o2) 2. salt (NaCl) 3. Salt Water 4. Water (h20) is the answer 4 and 2 ?
asked by Diana 
algebra
The slope of a line perpendicular to y=2x+4 is: A) 1/2 B) 1/4 C) 2 D) 2 E) 1/4 F) 1/2 would it be A?
asked by a 
Math (Ratios)
Ok, I already know how to work ratios, but I'm confused on this question: Jessica had 3 pairs of tennis shoes and 3 pairs of sandals, What is the ratio of tennis shoes to sandals Jessica owned? Pair means 2 right? So would it mean 6 tennis shoes to 6
asked by Sydney 
physics
A car moving at 120 km/h is 100 km behind a truck travelling at 80 km/h in the same direction. How many km does the car travel before it overtakes the truck?
asked by kim 
MATH
A TRUCK DRIVER DROVE 300 MILES IN 6 3/4 HOURS. hOW MANY MILES PER HOUR DID THE DRIVER DRIVE? 300 X 27/4= 300/1 X 4/27= 1200/27
asked by RENEE 
mechanics
Dylan hangs a calendar on a refrigerator with a magnetic hook. Unfortunately, the magnet is too weak, so the magnet and calendar slide down the side of the refrigerator to the floor with an acceleration of magnitude 3ms2. If the coefficient of sliding
asked by student1618 
lee
Unscramble the place values.write three forms of thenumbers. 3tens+7thousands+5tenthousandds+2ones+6hundreds
asked by oscar 
Math
The Wildcats basketball team scored 18 points in the first half of the game. All the points came from either 2 or 3 point baskets. If a total of 8 shots were made ( some two pointers and some three points), how many of each type of shot were made?
asked by Christine 
Math
A scuba diver dives to a depth of 50 feet, then rises 15 feet, sinks 12 feet, then rises 20 feet. Write an expression to describe this situation. Then solve it.
asked by Amelia 
History
What factors led to Europe exploration and colonization of north america
asked by Tisy 
Physics
Consider the following model for the electrostatic stretching of DNA. A spring with spring constant kDNA = 250 pN/m is tethered to an immobile surface on one end and a charge of qDNA = −350e on the other. A uniform electric ﬁeld of magnitude E = 2.5
asked by Heidi 
Math
Carol's bookshelf has4 shelves with6 books on each. Her brother Robert has 3 shelves with 7 books on each. They want to combine their books. If they put 9 books on a shelf, how many shelves will they need?
asked by Amari 
algebra
3 (a2 + b )  4 ( a2b ) =
asked by Anonymous 
mechanics: simple harmonic oscillation
Consider an ideal spring that has an unstretched length ℓ and a spring constant k. Suppose the spring is attached to a mass m that lies on a horizontal frictionless surface. The springmass system is compressed a distance of x_0 from equilibrium and then
asked by student1618 
algebra
a hemisphere dome on top of a silo has a diameter of 40 feet, find the volume of the dome r=6cm v=4/3 times 3.14 times radius6cubed
asked by Janet 
Pre Calculus
In exercise 100, you are given the dollar value of a product in 2005 and the rate at which the value of the product is expected to change during the next 5 years. Use this Info. to write a linear equation that gives the dollar value V of the product in
asked by Emma 
3rd grade math
1. What is 47 and 52 rounded to nearest hundred? answer: both 0?
asked by Jared 
Math
Find the difference 3 4
asked by Amy 
Math
The football team has played 11 games. They lost 2 fewer than they won. They lost 4 times more than they tied. How many games did they lose,win and tie?
asked by Mary Evelyn 
american politics
Congress proposed all 27 constitutional amendments. A. 25 B. 26 C. 27 D. 28 C?
asked by Bev 
american politics
The Great Compromise: A. established representation based on population in the Senate. B. allowed state legislatures to choose House members. C. created the mechanism to end slavery. D. solved the problem of representation by big and small states through
asked by Bev 
georgia state history
Which of the following rivers originates from groundwater? A)Chattahoochee B)Flint C)Savannah D)Chattooga***
asked by clark 
Chemistry
Determine the pH of a solution made by mixing 50,00 mL of 0,100 M nitric acid with 100 mL of 0,200 M nitric acid
asked by Anonymous 
Physics
A 50 g bullet travelling with an initial velocity of 400 m/s penetrates into a wall with an average force of 4*10^4 N.It goes out of the wall with a velocity of 50 m/s. What is the thickness of the wall
asked by Arnab 
Chemistry
f the ΔH of fusion for aluminum is 10.9 kJ/mol and the ΔH of vaporization is 284 kJ/mol, then what is the change in entropy upon melting down an aluminum can that weighs 18.9 grams?
asked by Jason 
algebra
How many possible license plates can be formed consisting of five letters in the first letter must be either M,N, or P?
asked by Jacqueline 
Chemistry
Given the following values of ΔH, ΔS and T, calculate ΔG (in kJ). The values are: ΔH = 17.0 kJ, ΔS = 50.0 J/K, and temperature = 10.0 C.
asked by Jason 
Algebra
The revenue in dollars from a school play is given by the expression 5x+2y, where x is the of adult tickets sold and y is the number of student tickets sold. If the revenue is $220, find the x and y intercepts and explain what they represent in the
asked by Cc 
math
In the diagram, $\angle A = 30^\circ$, $\overarc{DE} = 170^\circ$, and $\overarc{BC} = 110^\circ$. Find the measure of arc $CE$, in degrees.
asked by Bruh 
math
In the diagram, $\angle A = 30^\circ$, $\overarc{DE} = 170^\circ$, and $\overarc{BC} = 110^\circ$. Find the measure of arc $CE$, in degrees.
asked by Bruh 
Math
Evan uses some of his comicbook money to buy a magazine for $4. If Evan uncle gave him $30. What fraction of his money did he spend on the magazine?
asked by Verlandria 
mechanics: spring problem
You drop a block from rest from a height h=3 m. The block lands on the spring at height h1 = 1.5 meters (spring constant = 160Nm) and compresses it 0.5 m before the block and spring momentarilty come to rest. (The spring then pushes the block upward.) What
asked by student1618 
english
From reviewing your notes, you can learn to understand the author find the story’s main idea determine the word count locate the date of publication pls help
asked by oscar 
Thermodynamics
If 25.4 kg of copper at 33°C receives 240 kJ of heat. Calculate the final temperature of the metal.
asked by jay 
math
Mrs. Adrian bought 30 yards of dirt for her garden in her backyard. she hired 4 girls to spread the dirt. if the girls divided the dirt up evenly, how many yards did each girl need to spread in Mrs. Adrian's garden? please model drawing my answer is: 15
asked by bandar 
math
I'm going over my 4th grader's homework. She has place value math problems. I'm having a problem with this question. In the number 3,024,456, the value of 4 in the hundreds place is _____ times ____ than the value of the other 4. My answer 100 times less
asked by Evonne 
Physics
Two cars are initially 10.5 km apart on a straight road. If the cars are moving toward each other, car 1 with a speed of 9.5 m/s and car 2 with a speed of 10.40 m/s, how many seconds will it take before the cars meet?
asked by Anonymous 
MATH
3(x + 3) 2(x + 4)= 3x + 9  2x + 8= 3x  2x + 9 + 8= answer x + 17 is this correct
asked by Amie 
Algebra
(6x−7) (3x5) (5x+78)  +  =  4 7 28 How do you solve for the answer? Explain each step.
asked by Cc 
Math
Suki has 54 rock songs 92 dance songs and 12 classical songs on her playlist . If suki's music player randomly selects a song from the playlist, what is the experimental probability that the song will not be classical
asked by Brooke 
Plz help with literature
The Most Dangerous Game Directions: Each question has a different point value. (134 total) As always, answer in complete sentences. Use the back of the sheet or your own paper. DO NOT CRAM ANSWERS ON THIS SIDE OF THIS SHEET! (5) 1. What do you admire or
asked by Johnny 
geometry
When constructing a congruent line segment to cd , the ray needed for the construction must be shorter than
asked by sug 
algebra
the width of my garden is 10 feet shorter than twice the length. the perimeter is 70 feet. find the length and the width
asked by Amanda 
math
Sean bought 8 slurpees at $1.50 each and 6 Popsicles. He gave the cashier $25.00 and received $4.00 change. How much did each Popsicle cost? my answer: each slurpees for $1.50 the total will be = 8x $1.50= $12 for all slurpees. so, $2512= 13 134 (the
asked by bandar 
math
Mrs. Adrian bought 30 yards of dirt for her garden in her backyard. she hired 4 girls to spread the dirt. if the girls divided the dirt up evenly, how many yards did each girl need to spread in Mrs. Adrian's garden? please model drawing my answer I will
asked by bandar 
Math
Suki's has 54 rock songs,92 dance songs,and 12 classical songs on her play list.If Suki's music player randomly selects a song from the playlist,what is the experimental probability that the song will not be a classical song?Explain your answer.
asked by Brooke 
algerbra
1/4(xh)=p+c solve for x
asked by jill 
physics
An airplane is heading due south at a speed of 734 km/h . A wind begins blowing from the southwest at a speed of 110 km/h (average). In what direction should the pilot aim the plane so that it will fly due south?
asked by Al 
math
3r+b/a +y =w solve for r would the answer be r=wayb/3
asked by jill 
Physics
A motorcycle officer hidden at an intersection observes a car driven by an oblivious driver who ignores a stop sign and continues through the intersection at constant speed. The police officer takes off in pursuit 1.70 s after the car has passed the stop
asked by Izzy 
Physics
After an average acceleration of 3.21 m/s2 during 2.41 s, your car reaches a velocity of 15.9 m/s. Find the car\'s initial velocity.
asked by Mel 
Physics
Two cars are initially 10.5 km apart on a straight road. If the cars are moving toward each other, car 1 with a speed of 9.5 m/s and car 2 with a speed of 10.40 m/s, how many seconds will it take before the cars meet? Round your answers to three
asked by Anonymous 
Statistics
A list of transactions contains 100 numbers: 60 gains and 40 losses. The gains are positive numbers and the the losses are negative numbers. The units are thousands of dollars. For the 60 gains, the average is 18 and the SD is 7.5. For the losses the
asked by Sarah 
Physics
An object is thrown vertically upward and has a speed of 12 m/s when it reaches one fifth of its maximum height above the launch point. Determine its maximum height. g=9.81 m/s^2. Please help
asked by Achi King 
Physics/trig
During takeoff, an airplane climbs with a speed of 300 m/s at an angle of 36 degrees above the horizontal. The speed and direction of the airplane constitute a vector quantity known as the velocity. The sun is shining directly overhead. How fast is the
asked by Jenna 
chemistry
The radioactive isotope, phosphorus32, has a halflife of 14.26 days. How much phosphorus32 will remain after 60 days? Please help.
asked by Ken