Questions Asked on
September 6, 2011

physics
Hans stands at the rim of the Grand Canyon & yodels down to the the bottom. He hears his yodel echo back from the canyon floor 5.20 seconds later. Assume that the speed of sound in air is 340 m/s. How deep is the canyon?
asked by Taryn 
math
How to write 3.100 in word form
asked by Trevor 
geometry
the angle of elevation from l to k measure 24. if kl=19 find jl and round to the nearest tenth
asked by detrice 
physics
A toboggan is sliding down a snowy slope. The table shows the speed of the toboggan at various times during its trip. (a) Make a graph of the speed as a function of time. (b) Judging by the graph, is it plausible that the toboggan’s acceleration is
asked by John 
Cypress
Suggest any limitations to the use of recrystallization as a purification method for a solid.
asked by Jennifer 
trig
suppose theta is in the interval (90,180 degrees) find the sign of csc(theta) is it positive or negative = positive???
asked by ALISON 
physics
An open vertical tube is filled with water and a tuning fork vibrates over the top near the open end. As the water level is lowered in the tube, the first resonance is heard when the water level is at 31 cm from the top of the tube. What is the frequency
asked by Leslie 
AP chem
A 1.25g sample contains some of the very reactive compound Al(C6H5)3. On treating the compound with aqueous HCl, 0.951 g of C6H6 is obtained. Al(C6H5)3(s) + 3HCl(aq) > AlCl3(aq) + 3C6H6(l) Assuming that Al(C6H5)3 was converted completely to products,
asked by Jen 
MATH HELP!
cAnything helps and if i could get an explanation cause im a bit lost! thank youuuu (: A hospital has an operating room used only for eye surgery. The annual cost of rent, heat, and electricity for the operating room and its equipment is $200,000 and the
asked by amanda.jade 
PHYSIC
A square wire loop 10.0 cm on each side carries a clockwise current of 15.0 A. Find the magnitude and direction of the magnetic field B at its center due to the four 1.20 mm wire segments at the midpoint of each side?
asked by KAIT 
Chemistry
A 1ounce serving of Cheetos has 2.90 ×102 mg of sodium. What is this mass equivalent to in units of grams?
asked by Shelley 
math
Paul has grades of 73 and 86 on his first two tests. What must he score on his third test in order to have an average of at least 70?
asked by sonia 
algebra
solve the following equation by clearing fractions show all work want to know if this right 7/35/2x=8+2x 6(2/3)(5/2x)(6)=6(8)+2x(6) 14x15=48+12x 14x12x15=48+14x14x 2x15=48 2x15+15=48+14x14x 2x15=48 2x15+15=48+15 2x=33 2x/2x=33/2 x=33/2
asked by babygirl 
PHYSICS
A wire carrying a 28.0 A current bends through a right angle. Consider 2.00 mm segments of wire, each 3.00 cm from the bend (see fig). Find magnitude and direction of the magnetic field these two segments produce at point P, which is midway between them.
asked by KAIT 
Chemistry
How much heat is required to raise the temp of 854 g water from 23.5 to 85.0 celcius I got this, is this right X=854(61.5)(4.184)=219747.864
asked by Deanna 
algebra
If 800 mL of a juice drink is 15% grape juice, how much grape juice should be added to make a drink that is 20% grape juice? Use the table below to help.
asked by Anonymous 
physics
A bungee jumper falls for 1.3 seconds before the bungee cord begins to stretch. Until the jumper has bounced back up to this level, the bungee causes the jumper to have an acceleration upward of 4 m/s2. a. How fast is the jumper going when the bungee cord
asked by randa 
Physics
A drag racer crosses the finish line of a 400.0m track with a final speed of 104 m/s. (a) Assuming constant acceleration during the race, find the racer’s time and the minimum co efficient of static friction between the tires and the road. (b) If,
asked by John 
statistics
in a certain survey 1,043 adults, 81% reported having more than one television at home. find the actual number of respondents corresponding to the given percentage?
asked by lol 
3rd grade math
Ashton broke apart a number into 30+7. What number did she start with?
asked by tiffany 
geometry
Solve y= 5/8b+10 for b
asked by Hanna 
trig
find all values of theta in the interval (0,360) that have the given value: sintheta= √2 ______ 2
asked by ALISON 
Math
5 hockey pucks and three hockey sticks cost $23 5 hockey pucks and I hockey stick cost $20. How much does 1 hockey puck cost? I know that I cost $3.50 but idk how to get that answer
asked by Bkshdjs 
Physics
A positive charge Q is on the yaxis at a distance a from the origin, and another positive charge q is on the xaxis at a distance b from the origin. A) For what values(s) of b is the xcomponent of the force on q a minimum? B) For what values(s) of b is
asked by Patrick 
physics
An object moving with uniform acceleration has a velocity of 15.0 cm/s in the positive x direction when its x coordinate is 3.00 cm. If its x coordinate 1.60 s later is 5.00 cm, what is its acceleration?
asked by Zohal 
Math
A landscaper is designing a garden with hedges through which a straight path will lead from the exterior of the garden to the interior. If the polar coordinates of the endpoints of the path are (20, 90°) and (10, 150°), where r is measured in feet, what
asked by Andrew 
Statistics
A student wonders if tall women tend to date taller men than do short women. She measures herself, her dormitory roommate, and the women in the adjoining rooms; then she measures the next man each woman dates. Here are the data (heights in inches): Men (x)
asked by gandakho 
science
the teacher instructed three students A,B,and C respectively to prepare a 50% (mass by volume) solution of sodium hydroxide (NaOH). 'A' dissolved 50 g of NaOH in 100 ml of water B dissolved 50g of NaOH in 100g of water while C dissolved 50g of NaOH in
asked by chemistry 
science
the teacher instructed three students A,B,and C respectively to prepare a 50% (mass by volume) solution of sodium hydroxide (NaOH). 'A' dissolved 50 g of NaOH in 100 ml of water B dissolved 50g of NaOH in 100g of water while C dissolved 50g of NaOH in
asked by irsha 
algebra 1
How do I simplify and justify the steps to: (4+105x)+5
asked by Paige 
chemistry
In the explosion of a hydrogenfilled balloon, 0.30g of hydrogen reacted with 2.4g of oxygen to form how many grams of water vapor? (Water vapor is the only product.)
asked by johnny 
geometry
if x squared equals 47 then what is the aproximate value of x
asked by old man 
Physics
In solid sodium chloride (table salt), chloride ions have one more electron than they have protons, and sodium ions have one more proton than they have electrons. These ions are separated at about 0.28 nm. Calculate the electrostatic force between the
asked by Cecille 
trig
find the exact values of the six trig functions of the angle. 750 sin(750)= cos(750)= tan(750)= csc(750)= sec(750)= cot(750)= I've tried this question over and over again and i cannot get it right. i believe 750 is in the fourth quadrant but I'm
asked by ALISON 
physics
a horizontal force of 1.2kgf is applied to 1.5kgf of block which rest on surface such that it just begin to slide .if coefficient of friction is 0.3.find out acceleration
asked by armando 
science
5.00 lb of mercury is spilled onto a counter and forms a circular puddle with a diameter of 67.2 cm. Assuming the puddle is cylindrical shape, what is the thickness of the puddle of mercury? Extra info: [1 lb = 435.6 g. Mercury is a liquid metal having a
asked by Monica 
physics
How much time would Simpson save by in creasing his average velocity to 105 km/h to the east? Answer in units of min
asked by ashley 
Chemistry
Calcium carbonate is insoluble in water. Name two substances that when mixed in solution, will form a precipitate of calcium carbonate. Explain why is it the two substances that you have chosen. why does magnesium chloride cannot be prepared in the lab by
asked by StuartKess 
physics
A car is speeding up and has an instantaneous speed of 14.0 m/s when a stopwatch reads 9.0 s. It has a constant acceleration of 2.3 m/s2 (b) What is the speed when the stopwatch reads 12.2 s?
asked by abbie 
bio
TRUE OR FALSE 1. One of two identical"sister" parts of a copied chromosome is called a chromatid 2.The final phase of mitosis in which the nuclear envelope reforms is called anaphase. 3.Divsion of the cytoplasm takes place during prophase.
asked by christina(help plz) 
physics
when the shuttle bus come to a sudden stop to avoid hitting a dog, it decelerates uniformly at 4.6 m/s^2 as is slows from 8.2 m/s to 0 m/s. How long does it take for the acceleration for the bus. Answer in units of s
asked by Katie 
science
during the experiment, the students were asked to prepare a 10% (mass/mass) solution of sugar in water . ramesh dissolved 10g of sugar in 100g of water while sarika prepared it by dissolved 10g of sugar in water 100g of the solution a) Are the two solution
asked by irsha 
substance
Has anyone read the book begging for change by Robert Eggert. I am having a hard time analyzing chapter two and three. Can you please help me.
asked by R.T. 
physics
Gravity on the moon is only 1/6 as strong as gravity on the Earth. What is the weight of a 16 kg object on the moon and on the Earth?
asked by michelle callis 
chemistry
The vapor pressure of water at 25.0 C is 23.8 mm Hg. If 250. mL of water is placed in a chamber with a volume of 1.00 cubic meters, how many mL of water will evaporate
asked by mike 
ipc
Suppose all of the apples have a mass of 0.10 kg. If apple (A) is sitting on the ground, what is its potential energy?
asked by jesse 
Chemistry
A reaction A+B> C has a standard free energy change of 5.13 kj/mol at 25 degrees celcius, What are the concentrations of A, B, and C at equilibrium if at the beginning of the reaction there concentrations are .3M, .4M, and 0M respectively?
asked by juan777 
calculus
Let f(x) be the function 6x^22x+8. Then the quotient (f(10+h)f(10))/h can be simplified to ah+b for a and b eaquals what?
asked by Anonymous 
Chemistry
if 8.7 g of butanoic acid is dissolved in enough water to make 1.0 L of solution, what is the resulting pH
asked by juan777 
Physics
The net external force on the propeller of a 3.6 kg model airplane is 8.4 N forward. What is the acceleration of the airplane? Answer in units of m/s 2
asked by L 
Chemistry
need to know how to solve the following.... a gas filled weather balloon floating in the atomsphere has an initial volume of 850 L. The balloon rises to a region where the pressure is 56 kPa and its volume expands to 1700 L. If the temperature remains the
asked by remraf 
university colloquium
Find, explain, and describe examples of human behavior negatively impacting biodiversity. Choose three examples from the following four categories: species introduction, species harvesting; habitat destruction, habitat degradation. For each example,
asked by favi 
english
how would u make a sentence out of the following and using the word believable here's what it said and here's what i wrote List three things about cat that are believable 1)List three things about cats that are believable a)they have 4 legs b)they are
asked by saranghae12 
Chem
write the dissociation of acetic acid identifying the base,acid,H donor, and H receiver C2H4O2+H2O  H3O+C2H3O2 is hydronium the H donor and is C2H3O2 the base?
asked by Justin 
BUSN
Which of the following statements is not true regarding the goal of financial management? The goal of maximizing the value per share of existing stock is relevant to all organizations. A way of aligning management goals to shareholder’s interest is to
asked by MeMe 
Math
The Transitive Property states that if a = b and b = c , then a = c. Explain how you can use the Transitive Property to show that the expressions 0+x+13 and 13+x are equivalent.
asked by John 
biology
many organelles and molecules needed for cell division are formed after DNA replication and before mitosis.In which phase are they formed??
asked by christina 
physics
part 1 Simpson drives his car with an average veloc ity of 47.5 km/h to the east. How long will it take him to drive 137 km on a straight highway? Answer in units of h part 2 How much time would Simpson save by in creasing his average velocity to 105
asked by ashley 
University Physics
If vector B is added to vector C = 6.7 + 6.9, the result is a vector in the positive direction of the y axis, with a magnitude equal to that of vector C. What is the magnitude of vector B?
asked by Phil 
poetry
rhyme scheme is Beowulf
asked by jim 
algebra 2 review
Condense the expression: 1/5log3(32)  2log3x + 1/2log3y I can't put the 3 as a small number on the bottom on all 3 parts of the trinomial.
asked by kati 
science
calculate the mass of sodium sulphate required to prepare its 20%(mass percent) solution in 100 g of water
asked by irsha 
Physics
A positive charge Q is on the yaxis at a distance a from the origin, and another positive charge q is on the xaxis at a distance b from the origin. A) For what values(s) of b is the xcomponent of the force on q a minimum? B) For what values(s) of b is
asked by Patrick 
MATH
I have 9 digits. My ten millions digit is 0 and is 8 less than my hundred millions digit. My hundred millions digit is 1 less than my thousands digit, 8 more than my millions digit, twice my ten thousands digit, and 4 times my hundred thousands digit. My
asked by TULAN 
College Statistics
The brightness of sunlight at the earth's surface changes over time depending on whether the earth's atmosphere is more or less clear. Sunlight dimmed between 1960 and 1990. After 1990, air pollution dropped in industrial countries. Did sunlight brighten?
asked by gandakho 
Physics
At the heighest point on earth, the distance to the center of the earth is approximately equal to 1.0014 times the radius of the earth. What would be in N/kg the magnitude of the gravitational field (g) due to the earth at that position? Assume 9.8 N/kg
asked by Hannah 
math
Estimate the instantaneous rate of change at the point indicated. y(t) = sqrt(3t+1) t=1
asked by terra 
History
Was there a single event that caused the Revolutionary War and was that war avoidable?
asked by Jessica 
math
a rectangular prism has a volume of 108 inchescubed the length is 9 inches the width is 3 inches what is the height of the rectangular prism
asked by jed 
math
you a framing a picture that is 5 in by 7in. with a 1 inch wide frame. find the perimeter of the outside edge of the frame. explain, pleaswe i know the anser is 32 but why?
asked by math 
physics
Gravity on the moon is only 1/6 as strong as gravity on the Earth. What is the weight of a 16 kg object on the moon and on the Earth?
asked by michelle callis 
algebra
solve the following equation by clearing fraction want to know if this right 7/35/2x=8+2x 6(7/3)(5/2)(6)=6(6)+2x(6) 14x15=48+12x 14x12x15=48+14x14x 2x15=48 2x15+15=48+15 2x=33 2x/2x=33/2 x=33/2
asked by babygirl 
algebra
is this right solve the following inequality and write solutin as a set builder notation 6/25x>=5/3 25/6*6/25*x=>5/3*25/6 x=
asked by babygirl 
Texas Government
Please tell me which one of these is Federal , Confederal or Unitary . I have already submitted my question but I just want to be sure. ____1..In this system, power is divided between a central government and subgovernment. ____2. England ____3. The
asked by Sarah 
Algebra
After three plays in which a football team lost 7 yd,gained 3 yd and lost 1 yd, respectively, the ball was placed on the teams own 30 yd line. Where was the ball before the three plays?
asked by Debbie 
Physics
In solid sodium chloride (table salt), chloride ions have one more electron than they have protons, and sodium ions have one more proton than they have electrons. These ions are separated at about 0.28 nm. Calculate the electrostatic force between the
asked by Cecille 
Physics
One afternoon, a couple walks fivesixths of the way around a circular lake, the radius of which is 1.45 km. They start at the west side of the lake and head due south to begin with. (a) What is the distance they travel? (b) What are the magnitude and
asked by Krystal 
Geometry
Identify the hypothesis and conclusion All even numbers are divisible by 2.
asked by Michael 
physics
acceleration=1/2x^2.at time t=0it is at x=1.0m and its velocity v=o.find the time when it reaches x=0.25 m
asked by Anonymous 
algebra
amy paid 78.42 for a pair of running shoes during a 25% off sale what was the regular price?
asked by mike 
math
a farmer wishes to enclose a rectangular region with 210 meters of fencing in such a way that the length is twice the width and the region is divided into two equal parts. what length and width should be used?
asked by eddie 
res/342
To test the hypothesis that students who finish an exam first get better grades, Professor Hardtack kept track of the order in which papers were handed in. The first 25 papers showed a mean score of 77.1 with a standard deviation of 19.6, while the last 24
asked by ronda 
Geometry
If point C has coordinated (4,2) and point D has coordinates (8,5) then what is the length of CD?
asked by Kim 
math
Using only the numbers 8, 1, 4, 7, & 3, the product of 2 two digit numbers plus a number is 3,355?
asked by Anonymous 
math
you download 12 new songs to your MP3 player. then you delete 5 old songs. write each amount as a integer.
asked by jordan 
physics
two objects a and b have the same size but a is heavier than b .they reach the ground at the same time but a has greater______
asked by Anonymous 
Math
About what percent of the total population believed saying 136,800,000 to be true? Total population: 250,000,000? Answer is 55% how did you get this percent?
asked by Dwayne 
trig
a tree casts a shadow 36 ft long. at the same timem the shadow cast by a vertical 7 ft pole is 4ft long. find the hight of the tree
asked by hails 
algebra
solve the equation if it an identity (all real numbers) or a contradiction please state 5x+6+6x=10x+6+y
asked by babygirl 
History
Is fish considered a livestock in Texas?
asked by Kyle 
organic chem
in simple distillation or fractional distillation do the changes in temperature occur more gradually? and why?
asked by vivian 
english
what is a single word for that person who loves education ?
asked by armando 
Physics
Ok when your plotting a graph of Sin angle i against Sin angle r , which of those goes on the y axix ??
asked by Nelly 
Chemisty
Calculate the energy in radiation of wavelength 550 nm carried by 1) one photon 2) 1 mol of photons
asked by Grace 
physics
An object moving with uniform acceleration has a velocity of 15.0 cm/s in the positive x direction when its x coordinate is 3.00 cm. If its x coordinate 1.60 s later is 5.00 cm, what is its acceleration?
asked by Zohal 
physics
a person throws a ball 10m away from a step,having im height and width,he throws it with a velocity of 20m/s wit an angle of 30 degrees,in which step it falls?
asked by nithin 
Math!!!
I have an MSA math question. What scale would you use for making a frequency table of the following data 21,79,11,9,55,38,111, and 92? Please answer it I need the question now.
asked by Somebody 
Finite Math
Sizes of disjoint subsets of a universal set. Assume that A and B are disjoint subsets of U, and that n(U)=95, n(A)=30,and n(B')=61. Find n(A¿B').
asked by anonymous 
psy/230
•Post your response to the following: Describe how a person’s cognitive style influences learning style. How is personality influenced by inherent learning styles and learning environments?
asked by Anonymous 
chem
When a bond forms between C(H3) and MgBr, why would MgBr have a partial positive charge?
asked by san 
medical codiing
in an acute care hospital,when is it appropriate to assign a code such as 794.31
asked by Anonymous 
busn
Which one of the following activities best exemplify working capital management. For this exercise you will be choosing more than one option for your answer. 1. Identify three good investment opportunities for the firm. 2. Obtain a shortterm loan to
asked by SUSI 
Physics
In solid sodium chloride (table salt), chloride ions have one more electron than they have protons, and sodium ions have one more proton than they have electrons. These ions are separated at about 0.28 nm. Calculate the electrostatic force between the
asked by Cecille 
Trig
Using tables or a calculator, find tan 16 degrees 15 + cot 32.7 degrees to the nearest hundreths
asked by Alyson 
PRICIPLES OF BUSINESS
WHAT ARE THE BUSINESS RELATED TERMS?
asked by ALWAYN DAVIS 
geometry
If the length of a rectangle is twice its width, w, write an expression to represent the perimeter of the rectangle. If the perimeter of the rectangle is 72 inches, what is the length and width of the rectangle?
asked by Maddie 
early childhood language arts
1. Early childhood program transitions: A. Are all basically the same B. Are private family issues C. Require team collaboration D. Are most important in kindergarten........... I choose A........... Can someone please check my answer
asked by Vanessa 
buss/stats
Sorry the full question is A loaf of bread is normally distributed with a mean of22 oz. and a standard deviation of 0.5 oz. a, what is the probability that a loaf is btwn 22.75and 23.00? B, 5% of the loafs will weigh less than_____ ounces? C, assuming 200
asked by tim 
Mystery number
The mystery number is a two didget even number. It is a multiple of2,4,5,and 10 but not a multiple of3 or 7 . Help please.
asked by Kim 
trig
use a calculator to find the decimal approx. (roud 8decimal places) : sec28°6' does it equal 1.13362379 or 87.99624264 ???
asked by ALISON 
history
Around the time of the roman empire the tirms inch,foot,length foot based on
asked by michael 
algebra 2
How do you find the points of intersection, if any, of the equations: x^2 + y^2 = 5 x  y = 1
asked by Trixie 
Math
The measure of the supplement of an angle is 3 less than four times the measure ofthe comloment of the same angle
asked by Jen 
Algebra
Questions on piecewise function graphing Obviously I can't get help with the actual graphing here but I am hoping someone can push me in the right direction Problem: f(x) {4, if 0
asked by Linda 
physics
A helicopter is ascending (moving upwards) at a constant velocity of 8 m/s. At a height of 90m, a passenger opens a window and drops a package to the ground below. How long does it take the package to hit the ground and how fast is it moving just before
asked by Anonymous 
early childhood in language arts

math
give an example of two fractions whose sum can be simplified to 1/2.
asked by Bryan 
math
angle R & angle S are complementary angles..and angle U & and angle V are also complementary angles. if angle R = y2, angle S = 2x + 3, angle U = 2xy, and angle V = x1, find the values of x, y, angle R, S, U, & V
asked by Anonymous 
MATH
Ok when your plotting a graph of Sin angle i against Sin angle r , which of those goes on the y axix and which goes on x axis??
asked by Nelly 
environmental biology
Why would be important to study extreme habitat and extremophiles?
asked by Anonymous 
mATH
Using order of operations, create a formula that = 8 using four 6's 6 ___ 6 ____ 6 ______6 =8 fill in the blanks. It's the only one we can't figure out without using five 6's (6/6) +(6/6) +6 = 8
asked by Terry 
government
During the middle 1930s the WPA (Works Progress Administration) put unemployed people to work building bridges, roads and school paid for by posting US Bonds. Why could that not work to solve economic and similar problems today?
asked by Charles 
math
Max has 12 pairs of socks. Of them, 6 pairs are blue, 3 pairs are brown, and 2 pairs are white. Max wants to know what fraction of the socks are blue or brown. How can he find the numerator? a) Add 6+3+2 b) Add 6+3 c) Subtract 11 from 12 d) Subtract 9 from
asked by Jordan 
square roots
i know this problem is really easy but i am having a brain freeze day will someone please help me figure out what the square root of 32 is? Please & thank you!
asked by mercedes 
Physics
How to find refracticive index ?
asked by Nelly 
history
What effect did the trading civilization of phoenicia have on the ancient world?
asked by Anonymous 
physics
An airplane of mass 2800 Kg has just lifted off the runway. It is gaining altitude at a constant 2.3 M/s while the horizontal component of its velocity is increasing at a rate of 0.86 M/s2. Assume g= 9.81 M/s2. (a) Find the direction of the force exerted
asked by John 
Calculus
The graph A(x) has points (3,0), (0,2), (1,0) and (2,3). If C(x) is defined by C(x)=A(2x+3), then what is the domain and range of C and how would the graph of C(x) look like? Also, is there any way to find what the actual equation of A(x) is with the
asked by John 
biology
why can't inflammation occur in an amoeba?
asked by a 
Calculus
The graph A(x) has points (3,0), (0,2), (1,0) and (2,3). If C(x) is defined by C(x)=A(2x+3), then what is the domain and range of C and how would the graph of C(x) look like? Also, is there any way to find what the actual equation of A(x) is with the
asked by Chloe 
math
Using only the numbers 8,1,4,7, and 3, if the product of two 2digit numbers, plus a number, is 3,355, what are the numbers??????
asked by cottoncandee 
early childhood language arts
1. A naturalist languagelearning environment A. Occurs mostly in the home B. Is created whenever a child is communicating with others C. Occurs mostly in speech therapy D. Excludes speech therapy ........... I choose B 2. Providing assistance to a child
asked by Vanessa 
math
you invest $10,000 in a savings account that pays 6.6%, compounded quarterly for 15 years. How much money is in the account in 15 years?
asked by Kat 
social studies
who are the philosophers of social studies subject??
asked by john russel 
English
I just wanted to know if number 2 is completely wrong. 1.I havent' finished repairing the car enginge. 2.I haven't finished to repair the car engine. Thank you.
asked by Henry2 
trig
a tree casts a shadow 36 ft long. at the same timem the shadow cast by a vertical 7 ft pole is 4ft long. find the hight of the tree
asked by hails 
algebra 2 review
Condense the expression: 1/5log3(32)  2log3x + 1/2log3y I can't put the 3 as a small number on the bottom on all 3 parts of the trinomial.
asked by kati 
Chemistry
Give the physical state of CO2 under the following conditions: pressure = 4000 mmHg, temperature = 18 degrees F. show work!
asked by Sarah 
Physics
Suppose a space capsule with an astronaut inside is launched from the top of a tower at some angle above the horizontal. a)While the capsule is in free fall, what are the acceleration of the astronaut and the capsule? b)If the astronaut measures his
asked by Anonymous 
University Physics
If is added to = 6.7 + 6.9, the result is a vector in the positive direction of the y axis, with a magnitude equal to that of . What is the magnitude of ?
asked by Phil 
5th Grade Math
About 7/10 of the U.S population in 1991 believed saying look before you leap to be true (175,104,000). What was the total population?
asked by Dwayne 
calculus
Find the interest earned on $15,000,invested for 6yrs at 4% interest compounded annually
asked by CC 
Algebra
Please help I cannot get these problems, x4y=14 and x+3y=11 2xy=3 and 5x+y=9
asked by Eric 
Physics HELPP !!
The antireflecting coating works best if its refractive index is the square root of the refractive index of the lens inthe eye glasses. a) determine the refractive index of the lens that gives the best results
asked by Nelly 
phsics
A student of weight 830 N was sent to another planet called Nerdland. If Nerdland has a mass that is three times the mass of the earth and a radius that is half the radius of the earth, what would be the mass in kg of the student when on Nerdland?
asked by Elisabeth 
latin
i having trouble with placing latin numbers in their correct blanks, totally confused & need help.
asked by Kyla 
math
you are desighning a poster that would be 3yd wide and 8 feet high. how much paper do you need in square feet. please explain
asked by leslie 
Martin Luther King
Hey guys could you help me with a better sentence than this. "In a competition the usual suspect of an offense towards the other player is the contender but Martin Luther King's death was not about the person who did it but the idea behind why he did it
asked by HM 
statistics
A local manufacturer employs 750 people. The pie chart below gives the breakdown within the company. Of the employees, how many are management?
asked by lorraine 
physics
A car is speeding up and has an instantaneous speed of 14.0 m/s when a stopwatch reads 9.0 s. It has a constant acceleration of 2.3 m/s2. (a) What change in speed occurs between t = 9.0 s and t = 12.2 s?
asked by abbie 
math
Explain how to factor the following trinomial forms: x² + bx + c and ax² + bx + c. Is there more than one way to factor these? Show your answer using both words and mathematical notation.
asked by daliette 
SCIENCE
How do you figure out the following ..?::::: Mass Number Number of Protons Number of Electrons (OF A ELEMENT) Number of Neutrons Thanks ~ Courtneeeey (:
asked by Courtney 
BUSN
3. For this question, use the information for Sports Baseballs, Inc. Sports Baseballs, Inc. is a corporation that manufacturers and sells baseballs across several states in the Southeast. It had sales of $2.7 million during the last year. Expenses were as
asked by MeMe 
BUSN
4. For this question, use the information for Sports Baseballs, Inc. Sports Baseballs, Inc. is a corporation that manufacturers and sells baseballs across several states in the Southeast. It had sales of $2.7 million during the last year. Expenses were as
asked by MeMe 
math
what is a new ten in a addition problem
asked by landon cox 
math
use parenttheses to make each number sentance true 1246*0+15=34
asked by jd 
algebra
want to know if this right solve the inequality and represent your answer in set buldier notation 30n+6
asked by babygirl 
algebra
solve the following equation show all work 16+2x/3=8
asked by babygirl 
Chem
How many more [H+] are there in a sol’n of pH2 than pH6?
asked by Justin 
English
Can you please find appropriate synonyms because I can't think of any. Thanks lot. 1) Vivienne Westwood has been labeled as the designers’ designer. In the 1970s she opened a shop in London that became the focus of the punk movement. 2) The shop started
asked by Henry2 
US history! (NEED IT TODAY)
on my US history worksheet it asked for hardships for when England came to the Americas, and i can't seem to find it!
asked by sammie doodles :) 
Math
How to find the missing values 0.38=(3*0.1)+(_*_)
asked by Jose 
Math
I know this is simple arithmetic but i just cant seem to figure out the proccess in how to figure it out. X = 0.11X + 3.366 i know that X = 3.8 but i don't now how to get it
asked by ChemLover 
busn
Can anyone provide some examples of situations in which business ethics play a role in the financial management process?
asked by SUSI 
physics
A driver of a car traveling at 16.7 m/s applies the brakes, causing a uniform deceleration of 2.5 m/s2. The first question is  How long does it take the car to accelerate to a final speed of 13.9 m/s? For this i got 1.12 and that's correct. The second
asked by John 
Intermediate Algebra
The area of a rectangular athletic field is represented by the expression 12y^3+48y^2+24y square meters. Write an algebraic expression to represent one possible set of dimensions (in the sense "length times width" ) of the athletic field. Include correct
asked by Kayla 
engineer
If you possess a recognized diploma in marine engineering, will working onboard a ship as a marine engineer a better choice compared to working at shipyards or on land as a sales engineer in term of salary, freedom, risk, nature of job and area of job
asked by marine engineer 
Math
Can you please check the questions i posted not to long ago about checking my answers?
asked by Bryce 
English
If i am given three paragraphs how do i write a thesis not to wordy
asked by Christin 
physics
It takes you 9.7 min to walk with an average velocity of 2.2 m/s to the north from the bus stop to the museum entrance. How far did you walk? Answer in units of m
asked by ashley 
chemistry
how many calories are lost when 15.0 ethanol,cools from 58.5 to 42.0
asked by Anonymous 
chemistry
what mass of Ca is needed to completely react with 5.0M of .250ml Copper I Phosphate?
asked by stella 
Calculus
find the limit of ((sqrt(x+4))2)/x as x approaches 0.
asked by John 
math
angle R & angle S are complementary angles..and angle U & and angle V are also complementary angles. if angle R = y2, angle S = 2x + 3, angle U = 2xy, and angle V = x1, find the values of x, y, angle R, S, U, & V
asked by Anonymous 
Math
How do we turn this into exponential form? cubert[125 q^9 s^15] Any tips on solving problems like these? Thank you so much for the help :)
asked by Fauzi 
biology
what is the death by loneliness
asked by malik 
Chemisty
Calculate the energy in radiation of wavelength 550 nm carried by 1) one photon 2) 1 mol of photons
asked by Grace 
Math
About what percent of the total population (250,148,571.42) believed saying(136,800,00)early bird gets the worm?
asked by Dwayne 
Math
again, i am in desperate need for checked answers on my math questions
asked by Bryce 
algebra
solve show all work 8(65x)=24(x2)
asked by babygirl 
algebra
solve the elimination method 7r3s=0 3r+7s=58 what is the solution of the system
asked by john 
pre calculus
Describes the features of the graph below f(x)=x3+3x25x7
asked by Jcandie 
algebra 2 review
Condense the expression: 1/5log3(32)  2log3x + 1/2log3y I can't put the 3 as a small number on the bottom on all 3 parts of the trinomial.
asked by kati 
culturally diverse
An Asian parent may not emulate the early childhood teacher's practice of praising her son for his accomplishments because: A. Praising the child might bring him badluck B. The parent believes that absence of criticism is itself an appropriate form of
asked by Vanessa 
college math
given the bar graph below create a grouped frequency distribution. the graph is numbered up the side by twos to 22, along the bottom there are countries that go up to a number. united states up to 10 argentina up to 22 united kingdom up to just under the
asked by jessica 
math
A business woman gets in a lift at a bank on the 7th floor and travels down 10 floors. At which level does she finish?
asked by nishi 
BUSN
Assuming a tax rate of 30%, what is the EBIT and taxable income for the year? A) $1,000,000 and $800,000 respectively B) $575,000 and $375,000 respectively c) $565,000 and $365,000 respectively D) $425,000 and $225,000 respectively E) None of the above
asked by MeMe 
Bio
How much NaC3H5O3 (in grams) is needed to create a 1000 ml volume of Ringer’s lactate solution?
asked by Joe 
Jiskha
Would it be alright if i take a poster for jiskha and put them around my school, gain you guys some attention? I really love your alls help.
asked by Bryce 
PreCalc/Trig
Please helpI'm stuck really bad What are the roots of the equation x^2  4x + 3 = 0 I think I was suppose to use b^2  4ac so it would be 4  (4)*1*3 = 12 so the roots would be 12 and 12 Thank you for any help you can provide
asked by Sheila 
math
how do you write 0.013 in expanded notation
asked by lilly cook 
Math
Write the equation 5x – 4y = –7 in polar form
asked by Kathy 
Math
3 = r cos( + 240¡ã) x ¨C ¡Ì3 y + ? = 0
asked by Scott 
Physics
How to find refractive index ?
asked by Nelly 
History
Are cattle raised in East Texas, West Texas, or both?
asked by Scott 
chemistry (please help)
A 2.8L engine in a vehicle with airconditioning uses 26.5L of coolant. If the coolant has a density of 1.11 g/ml, what mass does the coolant add to the vehicle?
asked by Maddie 
social studies
what do i want to get out of social studies?????
asked by brianna 
Algebra
4+2z what is the value of the constants in this expression? Can anyone help
asked by jazmin 
English
I left out the following sentences. I really need your help. Please! 1) Analysts divide the Chinese capitals’ invasion into three categories: A)government financial investments (CIC) B)investments by wealthy individuals and private equity C)corporate
asked by Henry2 
English
Many,many thanks for helping me! Here is the last doubt about the summary. I left out a sentence which I partially quoted from the Economist as a conclusion.Do you think I shall include it? 1) In conclusion, the combination of smooth political succession
asked by Henry2 
Math
Whenever you cross multiply, which side do you start with first? Do i start on the left or right?
asked by Bryce 
Math 6th grade
evaluate expression for the value given 4.9 +a for a = 37.2
asked by Faye 
math
what is justify
asked by brianna 
trig
find a value of interval in degrees cotalpha=1.3692847 alpha=0.023903 is that correct?
asked by ALISON 
Math
What is 5+7x+2x3+6 simplified, x+y+4x3x+2y+3y simplified
asked by Aaron 
Math
1. When four fan coins are flipped what is the probability of getting either exactly two heads of exactly two tails? 2. Solve for x 3xx√3=6 3. In the figure below ABCD is a rectangle and DE=DC. Given Ad= 5 and BE=3 find DE Thanks!
asked by Joe 
math
of a psychology class of 45 students 4/9 are female. how many students are male?
asked by lucy 
trig
the length of the base of an isosceles triangle is 30.42 inches. each base is 26.54 degrees. find the length of the two equal sides of the triangle to the nearest hundredths. i get 15.19. is that right?
asked by ALISON 
stats
The college student's average age is 33 and 42% are minority. How do I verify these claims without using a college website.
asked by Kim 
math
rational expressions m3 7/m2 4
asked by Therisa 
math
rational expressions q3 3q/q2 81
asked by Therisa 
English
What is a creative synthesis?
asked by mf 
math
you are printing the programs for a school concert and have to decide how many programs to print. do you have to know how many or approximately how many to print? explain answer
asked by ree ree 
Math
Can you help me find the next 2 terms in the sequences? 1, .025, .1 repeating, .0625,.04 2root2, 4, 4root3, 8root3, 8root15, 24root10
asked by Janis 
PreCalcPlease check my answer
Please helpI'm stuck really bad Thank you for any help you can provide What are the roots of the equation x^2 4x + 3 = 0 x^2  4x = 3 x^2 +2(2)x + 2^2 = 3 = 2^2 x^2 + 4x + 4 = 1 (x + 2)^2 = 1 qrt (x+2)^2 = sqrt 1 x+2 = plus or minus 1 therefore
asked by Sheila 
English
I urgently need to check this summary of a newspaper article. As I don’t know much of economy, I’d like you to check the use of words. Thank you very much. 1) Chinese economical and political influence is rising in Europe. Examples of its growth are
asked by Henry2 
history
what questions would historians ask
asked by ivory 
math
how do you find the square of a number that doesn't really have a square number and u have 2 show ur work without using ur calculator? for ex: what is the square of 5?
asked by saranghae12 
Math
is this the correct answer? I might post more on this exact post, so please bare with me? These are proportions 1.) 2:5 = 4:y Answer: y=2
asked by Bryce 
chemestry
if my mass of my aluminum cube is 5.45 and volume is 2 ml, what i my density?
asked by ana 
algebra
What is 2x+7+5xx
asked by Aaron 
math
use each of the digits 3,7,1,5,once to write a number that rounds to the number given 2000
asked by Anonymous 
Math
Added 5 gallons of gas tank went from 3/8 full to 7/8 how big is tank
asked by Vic 
Calculus
How would you factor this? f(x)=x^32x^24x4
asked by Confused 
math
Longest multiplication combination for 120?
asked by Zack 
Math
C=3 and d=6 Evaluate the expression c  (d)
asked by Sheshe 
math
A student read about Volkswagenpacking in the 1960s. She was interested in knowing the maximum number of students that fit into a Volkswagen. How might you help her estimate an answer in a reasonable way?
asked by ryan 
algebra
solve using multiplication principle 2*5x=7
asked by babygirl 
college algerbra
2bx3 + 3bx2 − 18bx −27b
asked by dona 
Math
About what percent of the total population believed saying 136,800,000 to be true? Total Populaton:250,000,000
asked by Dwayne 
trig
log4+log(x7)=2
asked by Sara 
bussi./stats
what is the probability that a loaf of bread is between 22.75 and 23.00?
asked by tim 
trig
log(x15)2=logx
asked by Sara 
English
Thank you very much for your corrections! I tried to made the changes you suggested to me. 1) Analysts divide the Chinese capital invasion into three categories: government financial investments, investments by wealthy individuals and private equity, and
asked by Henry2 
trig
find reference angle 111degrees and 105 does it equal =75? i don't know the first one
asked by ALISON 
Human service
I need to find where I can find information that will support my answer to the challenges that a mediator may face. The answer that I gave is with legal, ethics, and morals.
asked by Patiance 
trig
find the value of alpha cotalpha=1.3692847 is 0.023903 correct?
asked by ALISON 
french
what is the french of I love you?
asked by Stephen 
Math
What is 2x+7+5x4x simplified
asked by Aaron 
algebra
solve using multiplication principle 2*5x=7
asked by babygirl 
social studies
what do i want out of social studies i need help
asked by brianna 
Math
2 = r cos( – 90°) y ?
asked by Stewart 
english[proffesional writting]
what benefits do students get from being fit and healthy?
asked by gabriel 
english
a person who love education is?
asked by armando