Questions Asked on
December 5, 2013

Chemistry
Which of the following will be more soluble in an acidic solution than in pure water? AgI, Ni(OH)2, KClO4, SrSO4, CaCO3
asked by Mandy 
math
"It takes Juwan exactly 35 minutes by car to get to his grandmother's. The nearest parking area is 4 minute walk from her apartment. One week he visited more often. He realized that he spent 5 hours and 12 minutes traveling to her apartment and then back
asked by Gab 
Ratios Math (Please Help)
Please Help, And can you explain how you got the answer? 1. Write the ratio 15:25 as a fraction in simplest form. A) 3/5 B) 15/25 C) 30/50 D) 1/3 2.Which ratio is equivalent to 3/7? A) 6/10 B) 9/21 C) 12/35 D) 7/3
asked by Mileena 
Geometry
1. If ΔRST symbol ΔNPQ, then RT line is congruent to _____. (1 point) line NP line NQ line PQ line QP 2. Given RST NPQ, RT = 7x – 5, NQ = 5x + 11, find the length of RT and of NQ. (1 point) 8 51 40 56 3. Which of the following statements is true about
asked by hi 
Business Math
Juan Ramirez sells suits in a major department store on weekends. He earns a commission of 5 percent on the first ten suits, and if he sells more than ten, he earns an additional 3 percent on the additional suits. Last weekend Juan sold thirteen $250.00
asked by Cassie 
Algebra
During a softball game, a batter hits a ball upward from an initial height of 3 feet. The height, in feet, of the softball is given by s(t)=−16t^2+70t+3 , where t is time in seconds and . Which is closest to the time when the softball will be 50 feet
asked by Samantha 
science
which of the following explains why your body may contain a carbon atom that was present in George Washington's body in 1776
asked by dar 
Chem
A 0.170mole quantity of NiCl2 is added to a liter of 1.20 M NH3 solution. What is the concentration of Ni2 ions at equilibrium? Assume the formation constant* of Ni(NH3)62 is 5.5 × 108.
asked by Mandy 
Calculus
I'm a little confused with this integration problem: If the definite integral from 0 to 2 of (e^(x^2)) is first approximated by using two inscribed rectangles of equal width and then approximated by using the trapezoidal rule with n=2, the difference
asked by Rasheda 
physics
In the figure, two skaters, each of mass 58.0 kg, approach each other along parallel paths separated by 2.79 m. They have opposite velocities of 1.50 m/s each. One skater carries one end of a long pole of negligible mass, and the other skater grabs the
asked by kristy 
Science
A biologist is constructing a cladogram to show the evolutionary relationships between the animals shown below. If anatomical features are used to construct the cladogram, which animal will be placed farthest from the shown animal? Animal shown: connexus.
asked by Anonymous 
physics, buoyance
Water flows at a rate of 25L/min through a horizontal 8.0cmdiameter pipe under a pressure of 5.7Pa . At one point, calcium deposits reduce the crosssectional area of the pipe to 40cm2 . Part A What is the pressure at this point? (Consider the water to
asked by HELP!!!!!!!!!!! 
Math
It is estimated that are 21 deaths for every 10 million people who use airplanes. A company that sells flight insurance provides 100,000 in case of death in a plane crash. A policy can be purchased for $1. Calculate the expected value and thereby determine
asked by Josh 
Science
A biologist is constructing a cladogram to show the evolutionary relationships between the animals shown below. If anatomical features are used to construct the cladogram, which animal will be placed farthest from the shown animal? Animal shown: connexus.
asked by S 
Physics
A standing wave is set up in a string of variable length and tension by a vibrator of variable frequency. Both ends of the string are fixed. When the vibrator has a frequency fA, in a string of length LA and under tension TA, nA antinodes are set up in the
asked by Anonymous 
TrigWeird Geometry Problem
Determine all triangles ABC for which tan(AB)+tan(BC)+tan(CA)=0. There's a hint: "Can you relate AB to BC and CA?" Should I apply the tangent difference formula (tan(xy))? Help would be appreciated, thanks.
asked by Sam 
physics, buoyance
A wood cube 0.20m on each side has a density of 730kg/m3 and floats levelly in water. Part A What is the distance from the top of the wood to the water surface? Part B What mass has to be placed on top of the wood so that its top is just at the water
asked by HELP!!!!!!!!!!! 
Algebra 2
An archer releases an arrow from a shoulder height of 1.39 m. When the arrow hits the target 18 m away, it hits point A. When the target is removed, the arrow lands 45 m away. Find the maximum height of the arrow along its parabolic path. My points are
asked by Lenny 
chemistry
The dosage of technetium99m for a lung scan is 20 μCi/kg of body weight.How many millicuries should be given to a 65.0kg patient? (1mCi=1000μCi)Suppose a person absorbed 54mrads of alpha radiation. What would be the dose equivalent in mrems?
asked by lana 
English help please
1. "If thou be'st born to strange sights, 10 Things invisible to see, Ride ten thousand days and nights Till Age snow white hairs on thee; Thou, when thou return'st, wilt tell me All strange wonders that befell thee, 15 And swear No where Lives a woman
asked by Eri Uchi 
Calculus
In the interval (0 is less than or equal to x which is less than or equal to 5), the graphs of y=cos(2x) and y=sin(3x) intersect four times. Let A, B, C, and D be the xcoordinates of these points so that 0
asked by Rasheda 
Math  Calculus I
Optimization Problem: Find the dimensions of the right circular cylinder of greatest volume inscribed in a right circular cone of radius 10" and height 24"
asked by Alex 
physics
A child and sled with a combined mass of 47.4 kg slide down a frictionless hill that is 8.61 m high. If the sled starts from rest, what is its speed at the bottom of the hill?
asked by katie 
Physics help please
A crate is dragged 5.0 along a rough floor with a constant velocity by a worker applying a force of 125N to a rope at an angle of 30degrees to the horizontal. Calculate the work done by the tension in the rope, the force of friction, and the net force. I
asked by K 
english 4
Which of the following best describes the overall mood in Frost's poem?
asked by Tiffanie 
Chemistry
K+(aq) + Al3+(aq) + 2SO42(aq) + 2H2O(l)→KAl (SO4)2 * 12H2O(s) Al is limiting and 1.007 g Find the theoretical yield and percent yield I think the answer is 17 and 40, respect. I just need help figuring it out
asked by Emily 
chemistry
Write a balanced nuclear equation for the positron emission of each of the following radioactive isotopes: silicon26,mercury188,7737Rb,9345Rh
asked by lana 
Geometry
Let's say a company is manufacturing juice boxes that are rectangular prisms with dimensions 4 inches by 3 inches by 4 inches. The company has a warehouse whose dimensions are 40 feet by 30 feet by 20 feet. If the company makes 200,000 juice boxes, will it
asked by Jacob 
Statistics
Given the following information, determine the 68.3 percent, 95.5 percent, and 99.7 percent confidence intervals. overbar above X equals 4.33 comma SE sub m equals 3 I've looked at the table as recommended. I just do not understand this at all. I'm really
asked by Anonymous Do not understand 
Chemistry
Calculate the change in pH when 5.00 mL of 0.100 M HCl(aq) is added to 100.0 mL of a buffer solution that is 0.100 M in NH3(aq) and 0.100 M in NH4Cl(aq).
asked by Mandy 
algebra 2
There is a 10% chance it will rain on Saturday and a 30% chance it will rain on Sunday. What percent chance is there that it will rain on both Saturday and Sunday?
asked by nikkie 
CivicsHELP
Below are some of the powers of the legislative branch: Can impeach and remove the president, Creates lower federal courts, overrides presidential vetoes, and appropriates money. Which constitutional power of the legislative branch is missing from this
asked by Jasmine 
physics
An elevator, with a total mass of 454 kg, accelerates downward at 3.51 m/s2. During this time, the tension in the elevator cable is
asked by bano 
Algebra
If x is the midpoint of line vy and wz And the prove is triangle vwx is congruent triangle yzx can you help me solve this using two column prove
asked by Anonymous 
Algebra 1
Two bullet trains leave the station at the same time traveling in opposite direction. The northbound train goes 125 mph and the southbound train goes 120 mph. After how long will they be 735 miles apart?
asked by Ale 
CHEM Help please Thanks
8) Explain exactly how you would perform the following laboratory instructions: a) “Wash the organic layer with 5.0 mL of 1 M aqueous sodium bicarbonate.” b) “Extract the aqueous layer three times with 2 mL portions of methylene chloride.” 10)
asked by Amy 
Chemistry
Calculate the pH at the equivalence point for the titration of 0.180 M methylamine (CH3NH2) with 0.180 M HCl. The Kb of methylamine is 5.0× 10–4.
asked by Mandy 
SS
"In all humility, but with a firm conviction that Japan is a steward on whom (lies) the gigantic task of the uplifting of the Far East, I cannot think that the young Korea is yet capable of governing itself" Nitobe Inazo, 1919 Which statement best
asked by Anonymous 
Physics
A cheetah can accelerate from rest to 24.1 m/s in 2.02 s. a) Assuming the acceleration is constant over the time interval, what is the magnitude of the acceleration of the cheetah? b) What is the distance traveled by the cheetah in these 2.02 s? c) A
asked by jenny 
stats
in a sample of 159,949 first year college students, the national survey of student engagement reported that 39% participated in community service or volunteer work.find the margin of error for 99% confidence. ...idk what formula to use.
asked by sara 
college stats
in a sample of 159,949 first year college students, the national survey of student engagement reported that 39% participated in community service or volunteer work.find the margin of error for 99% confidence. what formula do I use? I know the 99% interval
asked by hershi 
physics
A 0.67kg metal sphere oscillates at the end of a vertical spring. As the spring stretches from 0.10 to 0.21 m (relative to its unstrained length), the speed of the sphere decreases from 5.35 to 4.55 m/s. What is the spring constant of the spring? (The
asked by Donna 
math
In the addition problem at the bottom, the sum of the two digits represented by B and C is ?. Each time the same letter appears it represents the same digit) 2BA +C6D____ 8AD
asked by math 
Advanced Functions/Precalculus
Trigonometry Questions 1. Using a compound angle formula, demonstrate that sin2π/3 is equivalent to sin π/3 2. The expression sinπ is equal to zero, while the expression 1/cscπ is undefined. Why is the identity sin(theta)=1/csc(theta) still an
asked by john 
Statistics
True or False A jar contains 15 red marbles and 75 blue marbles. If you randomly select a marble from this jar, the probability of obtaining a red marble is p = 15/90.
asked by Lyndyc 
Math2
A "quick picture" is an estimate than? 5 x 2.7 ..... 5 x 3= 15 Its been a long time since elementary school and I do not remember "quick picture" The question was How can you use a "quick picture" to find 5 x 2.7? the answer is 13.5.......an estimate would
asked by Donald 
Physics
A wood cube 0.20m on each side has a density of 730kg/m3 and floats levelly in water. What mass has to be placed on top of the wood so that its top is just at the water level?
asked by HELP!!!! 
physics
1. Assume that 10 g of steam is added to 100 g of water initially at 19°C. The water is inside an aluminum cup of mass 35 g. The cup is inside a perfectly insulating calorimetric container that prevents heat flow from the outside environment. Find the
asked by bano 
math
Angela scored in the 90th percentile of her class math test. If 27 students scored the same as or lower than she did, how many students are in the class?
asked by Katie 
Puzzle question sport
What is this ?? h t t p : //imgur . c o m /CTGqqUa
asked by Emily 
physics
The flywheel of a motor is connected to the flywheel of an electric generator by a drive belt. The flywheels are of equal size each of radius . While the flywheels are rotating the tension in the upper and lower portions of the drive belt are and
asked by Greco 
physics
Assume that 10 g of steam is added to 100 g of water initially at 19°C. The water is inside an aluminum cup of mass 35 g. The cup is inside a perfectly insulating calorimetric container that prevents heat flow from the outside environment. Find the final
asked by bano 
Math
How do you use a "quick picture" to find 5 x 2.7.
asked by Donald 
Abby
If you have 320.0 mL of water at 25.00 °C and add 140.0 mL of water at 95.00 °C, what is the final temperature of the mixture? Use 1.00 g/mL as the density of water.
asked by Chemistry 
chemistry
I am having trouble understanding what the concept is for writing these out. Write a balanced nuclear equation for the alpha decay of each of the following radioactive isotopes: curium243, 22589Ac
asked by ellie 
SS
The rise of Japan as a military power can be traced back to _______. A. Con!@#$%^&ianism B. Hangul C. the Meiji Restoration D. the Korean War I'm not very sure if it is C or D.
asked by Anonymous 
math question grade 8!!
shelby wants to paint the walls and ceiling of a rectangular room. (height:2.6cm, width:4.8cm, length:6.8cm) type of paint size of paint can cost wall paint 4L $24.95 1L $7.99 ceiling paint 4L $32.95 (one litre of paint covers 9.5 m) a) what is the least
asked by anonymous 
Lauren
Convert the following energy units. 905 kJ to J 2970 kcal to kJ 5.21 × 106 J to kcal
asked by Chemistry 
statistic
an employment information service reports that the mean annual salary for full time male workers ages 25 to 34 with a bachelor's degree is $48718. in a random sample of 12 full time males workers ages 25 to 34 with a bachelor's degree, the mean annual
asked by Ricky 
data management grade 12
eight burglary suspects, two of whom are guilty, are placed in a line up. suppose that a witness is asked to identify the two guilty suspects but is unable to make a positive identification with any degree of confidence. if the witness feels compelled to
asked by jake 
math
A recipe for a fruit shake calls for 5 parts milk, 3 parts banana puree, and 2 parts strawberry juice. Find the quantity of each ingredient necessary to make an 8 ounce shake.
asked by Katie 
programming logic
The No Interest Credit Company provides zerointerest loans to customers. (It makes a profi t by selling advertising space in its monthly statements and selling its customer lists.) Design an application that gets customer account data that includes an
asked by carl 
Algebra NEED HELP PLEASE
If x is the midpoint of line vy and wz And the prove is triangle vwx is congruent triangle yzx can you help me solve this using two column prove
asked by Anonymous 
Physics
A particular asteroid has a circular orbit about the Sun with a radius of 450 million miles. How long does it take to go around the sun? Compare the prediction of Kepler's 2nd law to a direct computation with Newton's 2nd law. How much area does the line
asked by Shelby 
English
Read the following lines from “Fable for When There’s No Way Out”: “Despair tempts him / to just go limp.” What is the best interpretation of these lines? The chick is angry at how difficult it is to break free from his shell. The chick is so
asked by Anonymous 
poetry
What mood best describes "Elegy Written in a Country Churchyard"?
asked by Kim 
Geometry
If x is the midpoint of line vy and wz And the prove is triangle vwx is congruent triangle yzx can you help me solve this using two column prove
asked by Anonymous 
LA: Interjection ASAP
which of the following is NOT a interjection? A) oops B) awesome c) maybe
asked by Mileena 
Physics
The gravitational acceleration on the surface of Mercury is 0.38 times that of Earth. Its radius is also about 0.38 times that of the Earth. What is the ratio of the density of Mars to that of Earth?
asked by Shelby 
Biology 1
Does anyone know of a Photosynthesis concept map that includes all of the following: Photons, thylakoids, reactions, sun, NADPH, carbohydrates, xanthophyll, wavelength, pigments, stroma, product, photosynthesis, NADP+, visible light, glucose, energy,
asked by Jane 
AP Chem  Science
For a cell of the CsCl type (figure 9.18), how is the length of one side of the cell,s, related to the sum of the radii of the ions, r subscript cation + r subscript anion? Figure 9.18 : i . imgur . com / zHj2SGW.png Another question : Consider the NaCl
asked by Kony 
Math
After getting approval to do additional fundraising Chris and Lacey decided to participate in a walkathon to raise money for the shelter. Chris walked 5 miles less than twice the number of miles that Lacey walked. The students will collect $18 in pledges
asked by Jerald 
Statistics
True or False For any normal distribution, the proportion in the tail beyond z = 2.00 is p = 0.0228.
asked by Lyndyc 
math words problem
Williamston Daily is a new daily newspaper. When they first started printing three years ago they had 5600 home delivery subscribers. The number of subscribers increases by 71 every month. Write a linear model that represents the number of subscribers, B,
asked by Anonymous 
Physics
Placing a 215 g mass on a vertical spring causes a stretch of 5.1 cm. The mass is released at t=0 with y=0.15m (higher than the equilibrium hanging length) with a velocity of v=1.3 m/s. What is the spring constant of the spring? What is the amplitude of
asked by Shelby 
Chemistry Q1,3,5
1) What would be the preferred heating device (s) in each of the following situations? a) reflux a solvent with a 56 degree Celsius boiling point b) reflux a solvent with a 110 degree Celsius boiling point c) distillation of a substance that boils at 220
asked by Laila Plz help me out 
American Government
The Supreme Court relies on support from A. It's enormous prestige. B. Democratic majorities in Congress C. The obedience of state courts D. Republican majorities in Cingress Is the answer C
asked by Anthony 
algebra
A ball is thrown upward from a height of 240 feet. the height h of the object(in feet) t seconds after the ball is released is given by h=16t^2+32t+240 a. how long does it take the ball to reach its maximum height? b. what is the maximum height attained
asked by mike 
Sacred heart
Wouldn't is to couldn't as green is to
asked by Wendy 
chemistry
Hello ellie again. I am still having trouble understanding bombardment. The question I'm working on says Complete the bombardment reaction ? + 4018Ar → 4319K + 11H
asked by ellie 
Climax and Story Plots (ASAP)
1: what is a climax? 2: what does 'climax of the story's plot' mean? 3: what does story plot mean?
asked by Mileena 
first year chem
There are two naturally occurring isotopes of chlorine with ratios of 76% and 24%. One mole of PCl3 is made using a sample of isotopically pure chlorine gas (containing only one of the two isotopes). The product weighs 142 g. If chlorine gas containing the
asked by John 
physics
where are the incident and refracted rays located in relation to the normal
asked by siva 
the alchemist
what advice the Alchemist give Santiago?
asked by abno 
chem
A weak acid, HA, has an ionization constant of 4.34 x 108. If we prepare a solution that is 0.273 M in HA what percent of the acid will be ionized
asked by Anonymous 
MathTrig
1. To avoid a steep descent, an airplane flying at 10 000 m starts its descent 60km away from the airport. For the angle of descent to be constant, at what angle should the plane descend? 2. A flagpole that is 20m high casts a shadow that is 18m long. What
asked by McKenna Louise 
math
number sense what division sentence means the same as the following subtraction sentences? 124=8 84=4 44=0
asked by Jim 
physics
A convex mirror of radius of curvature 1.64 m is placed 0.277 m from a chess piece which is on the reflecting side of the mirror. What is the position of the image? What is the magnification?
asked by Anonymous 
Biology
In this assignment, you will select one of the options that you can compare a cell to and design an analogous development structure. then, you will compare the structure of your development to the organelles of the cell that you have learned about in this
asked by Reina B. 
data management
In a simple card game, Player A wins a point if either a face card, a red prime number, or a black perfect square number is drawn from a standard deck. Otherwise, Player B wins a point. Assume aces do not count as 1s.
asked by michelle 
English
how does hawthorne use irony to criticize puritan society
asked by Sam 
gov.
Which is NOT a responsibility of the Department of Housing and Urban Development? A. The coordination of federal housing programs =B. To provide support for community development C. To promote access to affordable housing D. To prosecute landlords who
asked by Rodrigo Martinez 
math
10 to the 50th power
asked by roshana 
Physics
Can you give me the summary of work,force,potential & kinetic energy,power?
asked by Althea 
Math
How do I find the excluded value for m^28+16/ 5m^2+ m
asked by Vaughn Murray 
Math
Determine, with justi cation, the value of the remainder when 2^314 is divided by 91. (Hint: 91 = 13 * 7.)
asked by Mann 
Statistics
True or False All probabilities can be expressed as decimal values ranging from 0 to 1.00.
asked by Lyndyc 
Statistics
True or False One requirement of a random sample is that every individual in the population has an equal chance of being selected.
asked by Lyndyc 
Chemistry
A solution was prepared in which 12.0 g of glycerin was dissolved in 80.0 g of water. The freezing point of the solution was 3.03 °C. Use this information to determine the molar mass of glycerin.
asked by Megale Russell 
physics
A convex mirror of radius of curvature 1.64 m is placed 0.277 m from a chess piece which is on the reflecting side of the mirror. What is the position of the image? What is the magnification?
asked by Anonymous 
Geometry
Imagine a piece of square paper that measures 20 by 20 cm. You can make a box (with no lid) by cutting a square of the same size from each corner and folding up what's left to make a box. Keeping the lengths of each sides integers, what is the maximum
asked by Ella 
Astronomy
Star Right Ascension Declination Aldebaran 4h 36m 16¢X 31' Miaplacidus 9h 13m 69¢X 42' Deneb 20h 41m 45¢X 20' Regulus 10h 08m 12¢X 18' Hadar 14h 04m 60¢X 24' 1.If Aldebaran is crossing your local meridian, how long would you need to wait to see
asked by keitanako 
Math
What is equivalent percent of 2/6? . What is equivalent percent of 4/6?
asked by Mike 
Government
What was the Court's reasoning in Marbury v. Madison?
asked by Rebecca 
LAW
1. In the recent past, law enforcement has had to concentrate their intelligence efforts against antigovernment militia groups on the following calendar date because the groups have used this date as a target date to conduct their violent acts. A. May 1 B.
asked by Amy 
LAW
1. An officer who makes application for a search warrant before a magistrate or judge must provide: A. a complete investigative report of the crime committed. B. probable cause from a sworn affiant. C. witnesses to appear before the magistrate or judge. D.
asked by Amy 
math 4 grade i don't know i need help
"Crazy John decided to pull a prank on his father and fill up his car with cotton balls making it seem like it was full of snow. He bought 48 packs of cotton balls for $3.65 each. If he used his CVS card and received 30% off his entire purchase and had to
asked by eduarda 
math
A laptop that originally cost $1,200 is on sale for $950. Find the discount rate.
asked by Katie 
english
prepositional phrases
asked by cary 
Chemistry
N2+3H22NH3 Decreasing nitrogen: Increases or decreases hydrogen? Increases or decreases ammonia? Decreasing hydrogen : Increases or decreases nitrogen? Increase or decreases ammonia?
asked by Anonymous 
Puzzle question sports
h t t p : //imgur . c o m /fvJrYDc
asked by Emily 
Math
Write and solve an equation to answer the question How many miles did Lacey walk if Chris collected $450 in pledges? 18(x)=450 x=25 How many miles did Chris walk 25
asked by Jerald 
eletromagnets
In earlier learning sequences we described how a static magnetic field cannot change the speed (and therefore kinetic energy) of a free charged particle. A changing magnetic field can, and this is one way particle beams are accelerated. Consider free
asked by BJ 
Calculus
What is the integral of (x*f(x))dx?
asked by Rasheda 
social studies
The Some Interest Credit Company provides loans to customers at 1.5 percent interest per month. Design an application that gets customer account data that includes an account number, customer name, and balance due. For each customer, display the account
asked by musa 
Math
(1) 4/5 Multipled by 5/7 in simplest form. My answer is 1.9 don't really know if its write show work. (2) 1 1/6 divided by 2/9= 5 1/4 need help showing work. (3)6 2/5 divided by (2 2/7) = 2 4/5 (4) 2 2/3 divided by (4 1/4) = 11 1/3 i nedd help
asked by Tisha 
Science need help
A group of students are setting up the first experiments, looking at the growth of roots in water containing an added factor. They have decided to grow seeds in both in pure tapwater and in water with a defined amount of vinegar added. As part of their
asked by sam ???????????????????? 
Algebra
Can anyone help me with the following, by providing the steps to get there and what it is that you are doing? any help would be greatly appreciated... We define the following functions: f(x)=2x+5 g(x)=x^23 h(x)=7x/3 ◦Compute (f – h)(4). ◦Evaluate
asked by Lois 
6th grade math
Can you check the following problems related to inequalities? 1) Sue has more than 5 cookies. Ans: x > 5 2) The temperature was less than 88 degrees last night. Ans: x < 88 3) I made $75 or more dollars babysitting. Ans: x >= 75? 4) I need to make a 70 or
asked by Alexis 
Physics
When the end of a particular garden hose is held at a height of 1m, water flows out of it at 8 cm/s. What is the difference in fluid pressure between the end of the hose and a portion resting on the ground? Suppose I cover half of the area at the end with
asked by Shelby 
math
how do I rename 10 as a fraction
asked by joe 
Math >.<
Please check my answers! A(A box contains 2 yellow,3 red,2 blue,3 purple, and 4 pink marbles.Once a marble is selected, it is {{not}} replaced. Find each probability. 1.P(two purple marbles) my answer~ 1/91 2. P(two yellow marbles) my answer~ 2/4 or 1/7
asked by Carley 
Statistics
A normal distribution has a mean of ƒÝ = 100 with ƒã = 20. If one score is randomly selected from this distribution, what is the probability that the score will have a value between X = 90 and X = 110? a. 0.6915 b. 0.3085 c. 0.1915 d. 0.3830
asked by Lyndyc 
history
the plan of Tutankhamun's tomb when Howard Carter found it When did Carter go into the different rooms? What do you think? Put them in order. Number them 14. a. burial room ( ) b. treasure room ( ) c. small room ( ) d. long room ( )  Whill you
asked by rfvv 
ALGEBRA 1 HELP
Your hole punch makes holes in your that have diameter of 4^1 inch. a.Write an expression for the area of one punched hole. Use the formula for the area of a circle A=:r^2. (: is pi sign) b.Your hole punch makes three holes in a page . Write an expression
asked by Louis 
Algebra 2
A grocer mixes x kg of Grade A and Y kg of Grade B nuts to get 60 kg of mixed nuts. Write and equation involving x and y to represent this information. The grocer sells all the mixed nuts at 9.00 per kg. He receives the same amount of money as when he
asked by Anonymous 
Math
Find six consecutive multiples of 6 whose sum is the least common multiple of 13 and 18.
asked by Kristen 
Math
Find the greatest ten digit positive multiple of 12 using each digit once and only once .
asked by Kristen 
Advanced Functions/Precalculus
Trigonometry Questions 1. Using a compound angle formula, demonstrate that sin2π/3 is equivalent to sin π/3 2. The expression sinπ is equal to zero, while the expression 1/cscπ is undefined. Why is the identity sin(theta)=1/csc(theta) still an
asked by john 
physics
A stone is thrown from a 45.1 m cliff with a speed of 5.71 m/s at an angle of 49.5 ¡ to the horizontal. (a) What maximum height above the release point does the stone reach?
asked by Anonymous 
history,geography,life science,maths or maths lit
can i be a social worker while am those subject
asked by kamva 
Algebra
How do I solve this algebra questions, 2n+4n+4=8, 9=5+4t, at+2=12, 2x+3=7, 3b+6=12, m/6+5=7????
asked by Raquel 
Pam
A 56.59 g sample of a substance is initially at 20.5 °C. After absorbing 1267 J of heat, the temperature of the substance is 116.5 °C. What is the specific heat (c) of the substance?
asked by Chemistry 
math
a number machine takes any number put into it, multiplies it by 3 and then subtracts 2. reuben put a number into the machine. he took the new number that came out and put that number back into the machine. He took the new number that came out and put that
asked by math 
math
In the addition problem at the bottom, the sum of the two digits represented by B and C is ?. Each time the same letter appears it represents the same digit.) help
asked by math 
math
Sam needs 15 dozen gingerbread cookies. he bakes 2 dozen the first day, 4 dozens the next day, 6 dozens the day after that and this pattern continues. How many days does it take Sam to get his 15 gingerbread cookies if half of each batch gets eaten each
asked by math 
Geo
IMG_4183.pg number 34 help please
asked by Anonymous 
Government
Which is NOT a responsibility of the Department of Energy? A. To formulate national energy policy B. To research and develop nuclear and energy technology C. To regulate the distribution of electricity and natural gas =D. To oversee the construction of
asked by Rodrigo Martinez 
physics
An ideal gas is initially at a temperature of 300 K. Its volume triples while its pressure decreases by a factor of two. What is its final temperature?
asked by bano 
data management
a die is thrown twice. what is the probability that the sum of the rolls is greater than 9 given that the first roll is a 4?
asked by michelle 
physics
Two objects moving with constant acceleration starting from rest are to cover the same distance. If the second is to cover that distance in ¼ of the time would need a: a quarter of the first’s acceleration. b: a half of the first’s acceleration. c:
asked by bano 
Math work problem
If a disease is transmitted from 1 individual to 2 more each week, and we began with 2 individuals being ill, how many weeks until at least 30 people are infected? Need help figuring this out Thanks!
asked by Kamie 
math ms sue please help, PLEASE!!!!
the jones' are planning a vacation. the total cost is $2500. they are able to save 1/5 of the cost each month. how much will they save in three months?
asked by math help 
Government
Which is NOT a responsibility of the Department of Health and Human Services? =A. To coordinate federal subsidized housing programs B. To oversee medical and social service research C. The supervision of Medicare D. The management of public health programs
asked by Rodrigo Martinez 
reading
are chimpanzees endangered?
asked by celeste 
7th grade mat
8g+2+4g23g=? (9g)
asked by Anonymous 
the most dangerous game by richard connell reading
i did all the question except for these 3 characterization chart w/ 5 textually supported inferences specific to protagonist and 5 textually supported inferences specific to the antagonist. static/flat character with text support of intended stereotype
asked by Reina B. 
HTT / 230 please help
i need help i can not understand this Question i don't know where to find the answer i have been looking for hours please some one help me ! Question is my is in hospitality finances class Explain why depreciation expense should be added back when
asked by Beckylynn 
chemistry
Hello this is ellie again. I was wondering could you explain what a bombardment reaction is and and show an example of it? Thanks
asked by ellie 
math
In a game played with 50 letter tiles, 21 of the tiles are vowels. If a tile is drawn at random, what is the probability that it is a consonant.
asked by Katie 
Chemistry
What is the osmolar concentration of 1.000M CaCl2 solution
asked by Ruffles 
Chemistry
The freezing point of a solution or mixture is always ________ ?
asked by Ruffles 
Chemistry
The boiling point of a solution or mixture is always ________?
asked by Ruffles 
Puzzle question sport
3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 1 1 1 1 1 1 1 1 1 1 1 1 0 Being a champion means a lot of hard work
asked by Emily 
LA: Word choice ASAP
Which of the following is NOT a good example of specific word choice? A) They were stranded on the island. B) They were left on the island. C) They were ditched on the island.
asked by Mileena 
magnets
A very large loop of metal wire with radius 1 meter is driven with a linearly increasing current at a rate of 200 amps/second. A very small metal wire loop with radius 5 centimeter is positioned a small distance away with its center on the same axis (the
asked by BJ 
electromagnets
A 100 gram resistive slider (thick line) moves without friction along a vertical Ushaped conducting track (thin line) that is 50 centimeters wide in a magnetic field of 5 Tesla as shown. The slider's resistance is 20 Ohms. It falls under the influence of
asked by BJ 
Hello
Anyone here to help??
asked by Emily 
Homework Help: Solar Energy Please HelpASAP
d) In the upconvertor 1, two photons are converted into one photon with 100% conversion efficiency. If all photons with energy above that of the band gap of aSiC:H are absorbed in the aSiC:H layer, in which spectral range can the photons be upconverted
asked by Johnny 
Algebra 1 HELP
I am not sure how to do these 2 problems can someone show me. Simplify the expression Write answers using exponents. 8^6/8^4*8^2 4^5*1/4^2
asked by Karen 
TO REINY
Hi reiny i just wanna say thank you for always answering my questions thanks for always helping me
asked by BARBIE LEE 
LA
If the burn is large or involves the face, feet, groin, or buttock, see a doctor. If not the burn should be treated as minor. See treatment for minor burns, below. Which of the following questions might you ask yourself to monitor comprehension? a. How
asked by Anonymous 
Math Reasonableness
Brendan bought 14 used records at a garage sale. He paid $0.75 for each record. How much did he play?
asked by Orange 
Statistics
True or False The value for a probability can never be less than zero, unless you have made a computational error.
asked by Lyndyc 
Algebra
What are the zeroes of y = x2 – 2x – 15? –3, –5 3, 5 –3, 5 3, –5
asked by Sammy 
English
$230.00 two hundred thirty dollars Or two hundred and thirty dollars Is there a dash between two and hundred?
asked by Anonymous 
Computer
Question 1 In the code below, there is an ambiguous reference in the constructor. The constructor is supposed to assign the value of the formal parameter to the class member variable x. Notice, however, that the formal parameter has the same name as the
asked by bano 
Math
can somebody tutor me
asked by Isabella 
Electromagnetics
A 100 gram resistive slider (thick line) moves without friction along a vertical Ushaped conducting track (thin line) that is 50 centimeters wide in a magnetic field of 5 Tesla as shown. The slider's resistance is 20 Ohms. It falls under the influence of
asked by J.O 
physics
In earlier learning sequences we described how a static magnetic field cannot change the speed (and therefore kinetic energy) of a free charged particle. A changing magnetic field can, and this is one way particle beams are accelerated. Consider free
asked by J.O 
Math  Trig
1. When you look down from the top of a building at an angle of 63degrees, you will see a man reading a newspaper. If the building is 50m high, how far is the man from the building? 2. A plane takes off at an angle of 15deg20'. How high will it have risen
asked by McKenna Louise 
Language Arts
Help Please!! Answer the following question about the essay "Escaping." Give an example of one internal and one external conflict from the selection. (Escaping) Nowadays we live in a constant hurry, compete with each other, we are uncertain of future,
asked by Emily 
Algebra 2
I am trying to find the inverse of these functions. Can someone please check my answers and tell me how to do number 2? 1. y=7^x y=log base 7 x 2. y=log base 1/2 x 3. y=2^(x)3 y=2^(x+3) 4.y=6+log x
asked by Jane 
Physics
A particular piano wire has middle C (261.7 Hz) for its second harmonic. The wire's length is 2.7m. What is the speed of the wave in the wire? If the wire has 270 lbs of tension what is its linear density? What is the wavelength of this tone emitted into
asked by Shelby 
Biology
I am doing a research paper on multiple sclerosis. Can you recommend a book that I can use in my research?
asked by Gabby 
Physics
Seawater has a density of about 1024 kg/m^3. In fresh water, the water line on a certain rectangular raft (8.8cm thick) moves 3.2 cm when a load of cargo is placed on it. How much will the same load of cargo move the water line in seawater? What is the
asked by Shelby 
science
when light travels from air into glass at an angle of incidence greater than o degrees, how is it bent in relations to the normal?
asked by siva 
psychology
How do the experiences of children who feel anxiety or depression compare to those of adults who feel anxiety or depression? Explain your answers.
asked by monica 
Algebra 1
6y^3 Can you show steps on how to do this
asked by Karen 
Biology
Do breeders observe the genotypes or phenotypes in their organisms?
asked by David 
college stats
Suppose population proportion1 = 0.4, sample size1 = 100, population proportion2 = 0.5, sample size2 = 120. whats the formula? i think this is just a plug and chug
asked by hershi 
Science need help
A group of students are setting up the first experiments, looking at the growth of roots in water containing an added factor. They have decided to grow seeds in both in pure tapwater and in water with a defined amount of vinegar added. As part of their
asked by sam 
english
can somebody give me ten facts about Hades, keeper of the underworld?
asked by cody 
Math
What division sentence means the same as the following subtraction sentences? 12 4 = 8 84=4 44=0
asked by Jim 
us history
can you list any political and economic factors of the lewis and clark expedition.
asked by nicole 
Math
Find the next three values in the following sequence of numbers. 1,0,1,0,1,2,3,6,11,20,37
asked by Kristen 
7th grade English
Use the correct pronoun in parentheses. The book ( it, itself) is a collector's item. Please help. Thanks.
asked by Miranda 
Chemistry
Is carbon phosphate an ionic, polar covalent, or non polar covalent bond?
asked by Destiny 
Astronomy
1. Imagine that the Earth¡¦s spin were to be reversed, so that the planet rotated about its axis from East to West, at the same rate at which it now rotates from West to East. If Earth¡¦s orbital motion about the Sun were unchanged, which of these
asked by keitanako