Questions Asked on
February 17, 2015

chemistry
4g of a mixture of CaCO3 and sand is treated with an excess of HCl and 0.88g of CO2 is produced. What is the percentage of CaCO3 in the mixture
asked by Ana 
Physics
A contestant in a winter games event pushes a 59.0 kg block of ice across a frozen lake as shown in the figure below. The coefficient of static friction is 0.1 and the coefficient of kinetic friction is 0.03. The block is being pushed at a direction of 23
asked by Mariah 
Language Arts
Both "Grandma Ling" and "your little voice . . ." use imagery to convey the emotions or attitudes of the speakers. Choose one of these poems. In a paragraph, discuss how the poet uses imagery to present the speaker's feelings. Support your response with
asked by XenaGonzalez 
physics
A 7.00kg bowling ball moves at 2.15 m/s. How fast must a 2.40g PingPong ball move so that the two balls have the same kinetic energy?
asked by Michael 
physics
21. A traffic signal of mass 25.0 kg is suspended by two cables as shown in the diagram below. Solve for the tension in each cable each of the following scenarios: (a) θ1 = θ2 = 20.0°, and (b) θ1 = 20.0°, θ2 = 30.0°.
asked by Danny 
tec
What is an AUP? the abbreviation for the school administrator in an online education environment a document outlining what is acceptable behavior when using the Internet for schoolwork a policy outlining the proper formatting to use in Microsoft® Office
asked by help?thanks 
agreement error
Patient was brought to the operating room, induced in general endotracheal anesthesia, and we then placed him in the supine position on the operating room table.
asked by rhonda 
algebra
The product of the first ten prime numbers must be divisible by: F. 16 G. 18 H. 20 J. 22 K. 24 Please provide detailed explanation with answer (if possible) Thanks in advance.
asked by ER 
Calculus
A craftsman wants to make a cylindrical jewelry box that has volume, V, equal to 60 cubic inches. He will make the base and side of the box out of a metal that costs 50 cents per square inch. The lid of the box will be made from a metal with a more ornate
asked by Shyan 
wcc
Andres Michael bought a new boat. He took out a loan for $23,880 at 4.25% interest for 2 years. He made a $4,000 partial payment at 2 months and another partial payment of $3,000 at 8 months. How much is due at maturity? (Do not round intermediate
asked by gislb 
math
A square brass plate is 2 mm thick and has a mass of 1.05 kg. The density of the brass is 8.4 g/cm3. Calculate the length of the plate in centimeters
asked by kudu 
analytic geometry
The main cables of a suspension bridge uniformly distribute the weight of the bridge when in the form of a parabola. The main cables of a particular bridge are attached to towers that are 600 ft apart. The cables are attached to towers at a height of 110
asked by Designing suspension bridge 
science/ velocity
a body moves along a straight line,its distance from the origin at any instant being given by the equation x= 8t 3t squared, where x is in centimeter and t is in seconds. find the average velocity of the body in the interval from t=0 to t=1 sec,and in the
asked by rhine 
maths
a boy spend 2/7 of his pocket money on transport and 1/5 on sweet. what fraction of his pocket money does he spend on transport and sweet?
asked by Edmond 
life orientation
To what extent can intrapersonal conflict affect communication in relationship choice of career job performance when employed
asked by mpho 
calculus
An artificially created lake is bordered on one side by a straight dam. The shape of the lake surface is that of a region in the xyplane bounded by the graphs of 2y=16x^2 and x+2y=4. Find the area of the surface of the lake.
asked by Akki 
maths
Two circles with centers a and b of radii 3 cm and 4 cm res , intersecting at two points c and d such that ac and bc are two tangets of the circles, then length of common chord .
asked by Phalgun 
physics
A person walks 4.0 miles east and then makes a 50° turn to the right and walks another 2.0 miles. How far is she from her starting point?
asked by alexis 
physics
A fire helicopter carries a 664 kg bucket of water at the end of a 24.9 m long cable. Flying back from a fire at a constant speed of 44.2 m/s, the cable makes an angle of 41.6o with respect to the vertical. Determine the force of air resistance on the
asked by Brad 
Anthropology
Ms. Sue, Can you please give me your opinion. I would really I will appreciate it very much. Its on the gender and gender sexuality. Let me know if I need to do added anything else. The identities, inequality and equality.The Cangoan gender and sex
asked by jimmy 
Physics 202
A rail gun uses electromagnetic forces to accelerate a projectile to very high velocities. The basic mechanism of acceleration is relatively simple and can be illustrated in the following example. A metal rod of mass 10.0g and electrical resistance 0.100Ω
asked by Tiffany 
Anthropology
I need some serious Assisting. PLEASE!!!!I am doing a project on gender and gender roles including identities and the equality and inequality. The Culture is Native American. I need help a.s.a.p. This is my last week in this class. Please, please help me.
asked by jimmy 
Science
Which statement is true of an organ system? A. It supports all part of the organism. B. it is not necessary for the survival of the organism. C. One organ system can take over for another organ system. D. It has no connection with other organ system in the
asked by Daisy 
English  Please read.
I know what an epic simile is but I'm trouble finding two epic similes in these line I've given below. And I also need to know why I think the author used these two epic similes Please help! Here's the lines I have to find the two from : The Odyssey : Book
asked by Marina 
art
an artist loved to work with smooth, flowing paint that has vibrant color. Know she has many months to finish a commission. Her best choice for a material would be: 1. tempera paint 2. oil paint 3. acrylic paint 4. watercolor'
asked by jon 
algebra
if a school has 24 teachers and 480 students, what is the ratio of teachers to students?
asked by stephanie 
algebra
An artist framed a rectangular picture. The dimensions of the frame are 4x+3 and 3x+5. He is going to place the picture with the border of 2 inches. Then he wants to paint the border. What is the area he has to paint?
asked by Alex 
algebra
if 240 widgets cost $36, what is the cost of 180 widgets?
asked by stephanie 
physics
A string under a tension of 59.0 N is used to whirl a rock in a horizontal circle of radius 2.55 m at a speed of 20.0 m/s on a frictionless surface as shown in the figure below. As the string is pulled in, the speed of the rock increases. When the string
asked by Anonymous 
concept development
Which of the following process skills is generally more important for use with older children? A. Observing B. Communicating C. Classifying D. Predicting my answer I think is c.
asked by Brittney 
concept development
A basic rule in evaluating learning activities is to be sure A. the child has no prior knowledge. B. a variety of science process skills are used. C. the strategies are limited. D. the textbook provides stepbystep photos. my answer is b.
asked by Brittney 
cconcept development
When a teacher chooses learning objectives for a child, which question should be asked? A. What should Kelly learn next? B. Where's Kelly in the learning process? C. Do the plan and materials fit my lesson? D. Has Kelly learned what was taught? a.
asked by Brittney 
GEOMETRY
What is the value of p? A right triangle with angles measuring 45, 45 and 90 and a leg measuring P and hypotenuse measuring 44 22 22 sqrt 2 44 44 sqrt 3 It always helps to know how...thanks
asked by Anonymous 
College Algebra
Flight of a Ball If a ball is thrown upward at 96 feet per second from the top of a building that is 100 feet high, the height of the ball can be modeled by S(t)=100 + 96t 16t^2 feet, where t is the number of seconds after the ball is thrown. How long
asked by Bridgett 
Science
A particular ecosystem in Georgia can support a maximum population of 100 bluebirds which of the following would allow hundred 20 bluebirds to live together in this ecosystem? (a. Human activity disrupting the nesting out of a predator hawk) (B. Flooding
asked by Ruby :) 
Science
Getting Oxygen 1) Name the components of the respiratory system in the order incoming air would encounter them during breathing. :Trachea,pharynx,larynx,alveoli,bronchi. :Bronchi,larynx,alveoli,trachea,pharynx. :Larynx,trachea,bronchi,pharynx,alveoli.
asked by TheLOUDEST_0430 
physics
An object 5 cm high is placed at a distance of 60 cm in front of a concane mirror of focal length10cm .Find the position and size of image
asked by sumit 
Social Studies
1 which statement best describes why constitutions are needed? A Constitutions are needed so that governments don't get carried away with taxes B Constitutions are needed because all of the laws have to be written down somewhere. C Constitutions are needed
asked by BUBBLES 
math
The size of an interior angle of a regular polygon is 3x° while its exterior angle is (x 20)°. Find the number of sides of the polygon
asked by kudu 
Organic Chemistry
A 1.0 gram sample of aspirin will dissolve in 300 mL of water and in 17 mL of chloroform at 25 deg C. a. What is the solubility of aspirin in each solvent expressed in g/mL? (show your calculations) I don't know where to start, does the molecular weight
asked by Kyle 
economics
Can someone help me out with this multiple choice question in AP Macro? "Congress votes to substantially increase the minimum wage. The determinant causing the shift in this scenario is: A. price B. productivity C. resource cost D. political or
asked by phoebe 
math
A particle moves along straight line such that its displacement S meters from a given point is S = t^3 – 5t^2 + 4 whee t is time in seconds. Find (a) The displacement of particle at t = 5 (b) The velocity of the particle when t = 5 (c) The values of t
asked by kudu 
Science
I need an acrostic poem for Balanced Forces and Unbalanced Forces!
asked by Anonymous 
Health
________ causes contraction of the smooth muscle in the wall of the uterus. It also stimulates the ejection of milk from the lactating breast.
asked by misha 
science
what is an example of fundamental quantity between viscosity,tension,force,weight or non of the above
asked by pontsho 
statistics
S) Suppose we want to determine the (binomial) probability (p) of getting 5 heads in 15 flips of a 2sided coin. Using the Binomial table in the appendix of the text, what values of n, x, and p would we use to look up this probability, and what would be
asked by slomomo 
chemistry
Why material properties vary in spite of the similarity in crystalline form?
asked by abeer 
math
If a person has 56 pencils n 37 more and pens how many pens do she has
asked by shunda 
maths
how many terms are there in an arithmetric sequence if it has a common difference of 3 , a last term of 30 and the sum of its terms is 135
asked by john 
English
I'm sorry to ask this again but I still don't know what to put as examples of hope and hopelessness from Act One in A Raisin in The Sun
asked by Amy 
physics SOS
a 62.8 kg astronaut is floating toawrd the front of her ship at .16 m/s relative to the ship. she wishes to throw away the 2.9 kg book she was carrying. what should the speed of the book be to achive her goal?
asked by Anonymous 
Calculus
If f(x) = x4 + 6x,find f'(x).
asked by Tay Tay 
SS
What are the similarities between Africa north of the equator and south of the equator?
asked by Anonymous 
physics
Toby is jogging at a constant speed of 3 m/s along a winding path. He is accelerating even though he is going at a constant speed. how is this possible? please help..
asked by Aileen 
Physics
how does the value of V relate to V1 and V2?
asked by Ly 
statistics
In testing the hypotheses H0: = 0.40, H1: > 0.40 at the 5% significance level, if the sample proportion is .45, and the standard error of the sample proportion is .05, the appropriate conclusion would be
asked by Margot 
Math
You have a pizza that's 6 cool slices if you eat 4 .what it what is the angle measure of doing fortune of pizza in degrees
asked by Ricardo 
Chem
What pairs of ions produce similar colours in the flame test? Use your periodic table of elements to explain the reason for this. I think it's the different groups of elements, but I'm not sure.
asked by Al 
Algebra
(4p1)^2
asked by M 
science
the change in velocity takes place in 10 sec interval. What is the magnitude, the algebraic sign and the direction of the average acceleration in each interval? At the beginning of the interval a body is moving to the right along the xaxis at 5 ft/sec,
asked by rhine 
History
How was the West drawn closer to the North and the South further isolated? Why did an increase in productivity lead to an improvement in transportation technology ?
asked by Amy 
life orientation
by means of a practical example. describe the conflict that exist between the should and want as a source conflict
asked by tiny 
Equivalent fractions
Equivalent fraction for 5/6
asked by Dede 
math
every container of fruit salad contains 1/3 of an apple. how many whole apples are there in 6 containers or fruit salad what should i do
asked by Anonymous 
physics
38. A rock of mass 0.400 kg is released from the surface and sinks in the ocean. As the rock descends it is acted upon by three forces: gravity, buoyancy, and drag. The buoyancy is an upward force equal to half its weight. Drag from the water can be
asked by Danny 
Calculus
Calculate the area of the bounded region between the curves y^2=x and 3y = 3y + 9 ?
asked by Akki 
physics
43. A block of mass 2.00 kg rests on a ramp tilted at 25.0°. Coefficients of friction for the block/ramp: μs = 0.300, μk = 0.100. A string passing over a high quality pulley connects the block with a bucket as shown below. The bucket contains sand but a
asked by Devin 
english check answers
Over the past ten years more than two dozen athletes have died from the medical condition known as heatstroke. Heatstroke occurs when the body’s internal temperature becomes so elevated that its cooling system begins shutting down. Who is most at risk?
asked by Robb4301 
physics
Two blocks are connected by a lightweight cord that passes over a frictionless, massless pulley. The bottom block has a mass of 2.00 kg and the top block has mass 0.500 kg. The coefficient of kinetic friction at each sliding surface is equal to 0.10. The
asked by Cali 
calculus A
A particle moves according to a law of motion s = f(t) = t3  12t2 + 21t, t 0, where t is measured in seconds and s in feet. v(t) = 3t^2  24t 21 a(t) = 6t  24 e) Find the total distance traveled during the first 8 s. i) When is the particle speeding up?
asked by sohee 
Biology
What happens as a result of insertion (the mutation)?
asked by bobbie 
Math
if 12 ft of ribbon is cut into pieces that are 2 1/4 ft long,how much ribbon is left over?
asked by Tiffany 
math
It costs $12.50 to see a movie at a theater near Jason's house. It costs only 1.95 to rent a DVD from an online service. A DVD player costs $125. To the nearest whole number, how many movies must Jason watch on DVD instead of at the theater before he
asked by priyanka 
Science
Q1. Why is the shape of the nerves important in the nervous system? Q2. Which structure is more complex, a tissue or an organ? How do you know?
asked by Daisy 
history
Can charismatic leadership evolve into transformational leadership?
asked by SHarday 
law
Why does charismatic leadership sometimes lead to disastrous negative consequences?
asked by SHarday 
religion
For silent reading during solat there is an opinion that the reading must be heard by his ear.Is it true?If it is not true what are the arguments against it?(Normally the person beside him will hear his vocalization and will disturb his solat)
asked by amaliena 
maths
Please help solve for x A.7^x+(4)(7^x) =245 B.xx+20=0 C.1+3/(x+1)=x Simplify D.(24 +26 + 54 / 96  6 Keys: =square root, /over or divided by
asked by lebogang 
algebra
One number is twice a second number. The sum of those numbers is 45. Find the numbers.
asked by lisa 
algebra/trig
You need a 100 pounds of two types of candy that cost 50 cents per pound and 75 cents per pound. A.) Verify that your total cost is c(x)=0.50x + 0.75(100x) thx a ton:)
asked by favour 
AP Chemistry
A student titrates 25.0 mL of a 0.100 M solution of acetic acid with a 0.100 solution of sodium hydroxide. Calculate the pH at the equivalence point.
asked by Anonymous 
science
A solution is prepared by mixing 90 ml of 5 M HCl and 30 ml of 8 M HNO3. Water is then added until the final volume is 1 L. Calculate the [H+], [OH], and the pH for this solution.
asked by polly 
philosophy
Between the Buddha, John Locke, David Hume, and Derek Parfit, which philosopher has the most convincing account of personal identity?
asked by Tay Tay 
math  ans.check
Given function G(x)=7/8(45x), find x to nearest tenth, when G(x)=15 ____________________________________ I'm stuck on this question,i tries on my own but i couldn't get it right, plz help! 15=7/8(45x) 8/7(15)=45x (17.1428..)=45x > stuck at this
asked by troy 
Chemistry
How do I get the answer to ?mass, 200 cm3volume, 6.843 g/ml=
asked by Rosalind 
Chemistry
If all the H2O2 in 25mL of a 3% solution of H2O2 decomposed, calculate the diameter of a sphere that would contain the resulting O2 at 1 atm and 296K. I understand how to do the problem if I have moles but I am not sure how to get moles. I thought
asked by Caroline 
calculus 3
A golf ball is driven down a horizontal fairway with an initial speed of 55m/s at an initial angle of 25 degrees. (Assume the tee from which the ball is hit is of negligible height). a). how far does the ball travel horizontally b). when does the ball
asked by Mark 
Statistics
A population has u=100 and o=20. If you select a single score from this population, on average, how close would it be to the population mean? Explain your answer. I don't understand the question itself. Please help.
asked by Luis 
Physics
Sound of a certain wavelength is coming from within a room and passing through a rectangular door (a "slit"). If the width of the doorway is twice the wavelength of the sound, what is the diffraction angle è of the sound leaving the doorway? Please show
asked by Tiffany 
physical
I'm working on projectile motion and I am supposed to find the speed for this problem, however I'm having trouble setting up the problem. I'm not finding any help from the book either. A golfer hits a shot to a green that is elevated 2.50 m above the point
asked by Carissa 
English
Which sentence is capitalized correctly? A.) James Monroe was the fifth president of the United States. B.) James Monroe was the Fifth President of the United States. C.) James Monroe was the Fifth president of the United States. D.) James Monroe was The
asked by Cassie 
Physics
I'm having trouble finding the speed to the problem. My book isn't helping much either. A golfer hits a shot to a green that is elevated 2.50 m above the point where the ball is struck. The ball leaves the club at a speed of 18.7 m/s at an angle of 51.0˚
asked by Carissa 
Physics
suppose you had a circuit with three resistors in series and you measured I=7.0 milliamps; V = 14.7 volts; V1= 3.5 volts and V2 = 1.4 volts. What would be the voltage across the third resistor? What would its resistance be?
asked by Anonymous 
physics
with what velocity must a ball be thrown in order to achieve the height of 50 ft.? and how long will it stay in the air?
asked by rhine 
Algebra
1(10w+7)=
asked by Satish 
PreCalculus
Q.Determine the sum of each infinite geometric series. t_1= 8 r = 2^1/2  A.This is a divergent series because the absolute value of r is greater than 1.  Q. The first term of
asked by Lucina 
Chemistry and physics
What causes a red glow when the iron and sulphur mixture is heated?
asked by Maureen 
math
how do i do this equation ? 158=2x+ 2(7x 7) . thank you
asked by sam 
chemistry
What pairs of ions produce similar colours in the flame test? Use your periodic table of elements to explain the reason for this. The pairs with similar colours were Ba2+ and Cu2+, and Sr2+ and Li+. Ba and Cu had light greenish colours, and Sr and Li had
asked by alyssa 
Music
If you were to add a Dor to a quarter note in fourfour time, how many beats would the dotted quarter note occupy? 1. Half a beat 2. One beat 3. Oneandahalf beats 4. Twoandhalf beats
asked by Help! 
law
what are four charismatic theories?
asked by SHarday 
Calculus: Optimization
I have no idea how to approach this problem, if someone knows just how to relate h, r with H,R, that would be extremely helpful and I can workout the rest! Thank you in advance. Given a right circular cone, you put an upsidedown cone inside it so that its
asked by Jazz 
English
Would these be good examples of hopelessness, hope, and realism in A raisin in the Sun 1. hopelessness Mama :Well whether they drinks it or not ain't none of my business. But whether I go into business selling it to 'em is, and I don't want that on my
asked by Amy 
life orientation
Evaluate he extent to which peer pressure can impact negativity on intrapersonal conflict.give two well explained examples to support answer
asked by malompo 
math
If a city has an atmospheric pressure of 12.27 psi, what is its altitude? (Recall that 1 mi = 5,280 ft. Round your answer to the nearest foot.)
asked by dee dee 
Precalculus
Find the first two terms of a geometric sequence if t_3+ t_4 = 50 and t_4 + t_5 =100? t3= a(r^2) t4= a(r^3) t5= a(r^4) a(r^2)+ a(r^4)= 100  a(r^3)+ a(r^4) = 50 ar^3  = 2 ar^2 r = 2
asked by Lucina 
Life orientation
How intrapersonal conflict can lead to emotional stress
asked by Aluwani 
math
35. Aaron wants to find an function that relates the price of a pizza to its size. He knows that this function need s to be non linear. Which function below should he use? A. y=4piex B. y=pie(x3) C. y=pie(x3)^2 D. y=pie(x3)^2+3(x+7)
asked by Max 
Physics
Two boxes, A and B, are connected to each end of a light vertical rope. A constant upward force 90.0N is applied to box A. Starting from rest, box B descends 11.0m in 3.50s . The tension in the rope connecting the two boxes is 30.0N a) What is the mass of
asked by Jordan 
chemistry
In a 1L beaker, 203mL of 0.307 M ammonium chromate was mixed with 137mL of 0.269 M chromium(iii) nitrite. 3(NH4)2CrO4 + 2Cr(NO2)3 > Cr2(CrO4)3 + 6NH4NO2 If the percent yield of the reaction was 88.0 %, what mass of solid product was isolated?
asked by carolin 
Health
What has the society done concerning the current problems with teen pregnancy?
asked by Anonymous 
Algebra
If a quadratic has a vertex at (2,2) and passes through (1,0) what is its equation in standard form? A. y = 2(x2)^2 + 2 B. y = 2(x+2)^2 + 2 C. y = (x+2)^2  2 D. y = (x+2)^2 + 2 Is the answer B?
asked by Jake 
chemistry
In a 1L beaker, 203mL of 0.307 M ammonium chromate was mixed with 137mL of 0.269 M chromium(iii) nitrite. 3(NH4)2CrO4 + 2Cr(NO2)3 > Cr2(CrO4)3 + 6NH4NO2 If the percent yield of the reaction was 88.0 %, what mass of solid product was isolated?
asked by carolin 
mathematics literacy
There are seven red peppermints in a packet of 22 peppermints.what percentage of the peppermints are red?
asked by kaycee lee 
3rd grade math
mrs. lens wants to put a ribbon around the edge of a pillow. which tool and unit should she use to measure the perimeter of the pillow? measuring tape or ruler or yard stick?
asked by kris 
math
A perpendicular to the line 4x +3 = 0 point (8, 5). Determine its equation x = 4/3 undefined y = 5
asked by David 
Check my answers SS
Which of the following state program areas consumes the largest part of the executive budget? (1 point) human services education *** natural resources transportation 2. Which state department is responsible for mental healthrelated issues and welfare? (1
asked by XenaGonzalez 
algebra
an electron cuts a 12 ft piece of into two pieces. one piece is 7 ft longer than the other how long are the pieces?
asked by lamiracle 
math
I'm doing my math hw, what does the sign ' mean for sets? Thanks
asked by Eric 
Physical Science
A rock is dropped off a 20m tall cliff. How long does it take to get to the bottom of the cliff? What is the instantaneous velocity right before it hits the bottom of the cliff?
asked by Alex 
physics
You are sitting in a car going 20 m/s relative to the ground and decide to throw a ball backwards with a velocity of 4m/s relative to your car. A person in another car behind you sees the ball moving towards him with a velocity of 2.50 m/s relative to his
asked by jyothi 
English
Sorry for asking a lot of questions. But what can I write as an example of realism in A a Raisin in the Sun I'm having trouble finding an example of it
asked by Amy 
algebra
the midpoint of a line segment is (3,4). one of the endpoints of that line segment is (7,4). what is the other endpoint?
asked by stephanie 
PNU
An element has a bodycentered cubic(bcc) structure with a cell edge of 288pm the density of the element is 7.2g/cm3. How many atoms are present in 208g of element
asked by abeer 
science
Which explains how the greenhouse effect and greenhouse gases can affect global temperatures? A. The more greenhouse gases that are in the atmosphere, the more heat will be trapped, thereby increasing global temperatures. B. The more greenhouse gases that
asked by Chloe 
Physics
Suppose you had a circuit with three resistors in series and you measured I=7.0 milliamps; V = 14.7 volts; V1= 3.5 volts and V2 = 1.4 volts. What would be the voltage across the third resistor? What would its resistance be?
asked by Dean 
math
In the geometric progression, the first is a and the common ratio is r. The sun of the first two terms is 12 and the third term is 16 Determine the ratio (ar^2)/(a+ar) If the first term is larger than the second term, find the value of r.
asked by David 
chemistry
By titration, 26.7 mL of aqueous H2SO4 neutralized 26.2 mL of 0.028 M LiOH solution. What was the molarity of the aqueous acid solution?
asked by KiRa 
algebra
jake and jessie are standing next to each other in the sun. if jake's shadow is 48 inches long, and he is 72 inches tall, how long is jessie's shadow, in inches, if she is 66 inches tall?
asked by melvin 
math  relations and functions
What is mean , Write a set of 10 ordered pairs that represent a function?
asked by jo 
algebra
a bug crawls clockwise around the outside rim of a clock from 12 to 4 and travels 7 inches. if a second bug crawls around the outside rim from 6 to 11, in the same direction, how many inches did the bug crawl?
asked by melvin 
math
3/8jof the cast in a musical hE TO SING. WHAT FRACTION OF THE CASt DOES not have to sing?
asked by john 
math
Find the value of θ between 0° and 360° satisfying the equation 5 sin θ = 4 θ= sin1(4/5) = 53.13, 143.13
asked by kudu 
History
Who were the "antis" (antimperialists) and why were they opposed to U.S. expansion? (HINT: different people had very different reasons.) Try to put yourself in the shoes of someone living in the 1890s: do you think you would have supported or opposed
asked by Tay Tay 
GEOMETRY
What are the angle measures of the triangle? A right triangle with a hypotenuse measuring 14sqrt3 and legs measuring 7sqrt3 and 21 30°, 60°, and 90° 45°, 45°, and 90° 60°, 60°, and 60° They cannot be determined.
asked by Anonymous 
Calculus
Find an equation of a line tangent to y = 2sin x whose slope is a maximum value in the interval (0, 2π]
asked by Sara 
algebra
What do you get if you drop a grand piano down a mine shaft
asked by Anonymous 
Math
Three boxes each contain a number of billiard balls. One box contains only evennumbered balls, one box contains only odd numbered billiard balls, and the third box contains a mixture of odd and even numbered balls. All the boxes are mislabeled. By
asked by Erika 
oil prices
supply and demand affect the price of oil
asked by bella 
Society
What are the individual and social implications of teenage pregnancy?
asked by Anonymous 
math
the sum of the first four terms of a geometry series is 15 and the sum of the next 4 terms is 240.determine the positive constant ratio.
asked by niky 
algerbra
Find the distance between points P(3,6) and Q(6,4). Round to the nearest tenth.
asked by gerald 
chemistry
Consider the reaction of 14.20ml of 0.141 M H3PO4 and 0.0521 M Ba(OH)2. 2H3PO4 + 3Ba(OH)2 >Ba3(PO4)2 + 6HOH What volume of Ba(OH)2 is required to completely react with the H3PO4?
asked by carolin 
physics
A horizontal force of 150 N is used to push a 45.0kg packing crate a distance of 5.75 m on a rough horizontal surface. If the crate moves at constant speed, find each of the following. (a) the work done by the 150N force (b) the coefficient of kinetic
asked by Sierra 
chemistry
Consider the reaction of 14.20ml of 0.141 M H3PO4 and 0.0521 M Ba(OH)2. 2H3PO4 + 3Ba(OH)2 >Ba3(PO4)2 + 6HOH What volume of Ba(OH)2 is required to completely react with the H3PO4?
asked by carolin 
Calculus Chain rule
How can derive this function?f(x) = 2/(9x^5+1)^5 The answer is The answer is 450x^4/(9x^5+1)^6 Can you please show why? Thank you
asked by Tom 
Math 222
18z plus 45 plus z^2 *My addition sign is not working*
asked by Monica 
Math
I am asked to graph a triangle with the vertices (3, 2), (5, 6), and (6, 4) after performing a dilation about the origin of scale factor 4. What does "about the origin" mean? Is this the same as just multiplying the ordered pairs by 4? Are the new
asked by Anonymous 
Math
Identify the geometric figure that each object represents. _____1. Tip of the hair _____2. Chalkboard _____3. Ceiling _____4. Grain of sand _____5. Mole _____6. Flaslight _____7.String _____8.Wall _____9.Tip of a pen _____10.Edge of a box
asked by Trixsy Joy 
kayli
why did a portion of the tabletop get cold when natasha placed her drink on the table?
asked by Anonymous 
Math 222
). a^4b plus a^2b^3
asked by Monica 
math
The Position of two A and B on the earth’s surface are (36°N, 49°E) and (360°N, 131°W ) respectively. (a) The difference in long between town A and town (b) Given that the radius of the earth is 6370, calculate the distance town A and town B. (c)
asked by kudu 
Math
Frank paid very well finance rate of 1.5% on the first $500 and 1% at any amount above $500 how much did he pay at the unpaid balance was $741.23
asked by Anonymous 
Mathematics
Case2:r
asked by Noma 
Algebra
Find five solution sets for the linear equation 3x  5y = 15.
asked by Elizabeth 
math
A real estate agent makes 4.5% commission on every property she sells. How much commission does she make on a sale of a house for $132,500.00? Don't understand how to do the problem. Can you help me? Thank you
asked by dave 
social studies help please
Which of the following was NOT a reason why there was less industrial development in the South than in the North? A.because the rockiness of southern land made it difficult to develop railroads. B. because there was a lack of capital in the South. C.
asked by anonymous 
math
Show that the series 1 + 2x/5 + 3x^2/25 + 4x^3/125 + ....is convergent if 5
asked by tolu 
Statistics
Approximately 6% of the male population is color blind. If a random sample of 250 male adults is tested for color blindness, what is the probability that at least 10 but no more than 20 will be color blind?
asked by Dmitivch 
Chemistry
What is the name of the substance with formula Cu(H2O)6SO4?
asked by Brian 
Technology
Is there a app that shuts off iPhone without pressing home or sleep button?
asked by Kimberly 
math
Gary measured the middle school and made a scale drawing. He used the scale 1 inch = 5 feet. The gym is 85 feet long in real life. How long is the gym in the drawing?
asked by Anonymous 
math
Henry is attending a rodeo in Union County. The nearest airport is in Vindale, which is 33 miles away. On a map, the rodeo grounds and the airport are separated by 3 inches. What scale does the map use?
asked by angelica 
Math
A fuel dealer makes a profit of shillings 520 for every 1000 liters of petrol sold and shillings 480 for every 1000 liters of diesel sold. In a certain month the dealer sold twice as much diesel as petrol. If the total fuel sold that month was 900,000
asked by David 
chemistry
Predict if a precipitate will form when 20.00 mL of the 50% saturated solution is mixed with 20.00 mL of 0.0100M of the following solutions.? the saturated solution is : BaCO3, it has the Ksp of 5.1 x 10^9 the solubility is 7.1 x 10^5 M. I don't know how
asked by Crystal 
Pre ALGEBRA
HELP PLS MS SUE. Find the surface area of a sphere with a radius of 8 cm.
asked by Oscar 
imp
Is dirt an abstract or concrete and why?
asked by hanan 
science
a car travels first one third with speed of 10km/hr,next one third distance with 20km/hr.What is the average of car for whole journey
asked by ashwini 
AP CHEM
A solution formed by mixing 13.0 mL of 0.013 M Ba(OH)2 with 31.0 mL of 7.0 ✕ 103 M NaOH. Calculate [OH]
asked by Jordyn 
physics
An object has a velocity of 5.00 m/s at an angle of 30.0˚ north of east. If we define east as the +x direction and north as the +y direction, what is the magnitude of vy?
asked by alexis 
physics
An object travels at 5.00 m/s in the +x direction and 4.00 m/s in the +y direction. What is the magnitude of its velocity?
asked by alexis