Questions Asked on
October 28, 2015

chemistry
Calculate Delta G for each reaction using Delta Gf values: answer kJ ...thank you a) H2(g)+I2(s)>2HI(g) b) MnO2(s)+2CO(g)>Mn(s)+2CO2(g) c) NH4Cl(s)>NH3(g)+HCl(g) is this correct? a) H2(g)+I2(s)>2HI(g) From tables: G HI = +1.3 kJ/mol G H2 = 0 G
asked by Patrick 
college algebra help******
You intercepted the following message from Boris and Natasha. 25 19 19 30 41 17 15 26 27 41 15 28 18 41 18 29 41 34 22 19 41 27 15 34 22 You do not now the encoding or decoding function but from previous work with Boris and Natasha you know their encoding
asked by Anonymous 
algebra
Monica earned $60 from a bonus plus $8.50 per hour (h) she worked this week. Which of the following expressions best represents Monica's income for the week?
asked by Ryan 
mechanics
A 3m long balance beam is simply supported with an overhang at each end of a=0.5m. A gymnast weighing 50kg is standing a distance c to the right of support A and a distance b to the left of support B. How does the maximum bending moment in the beam depend
asked by qw 
Calculus
Use differentials to estimate the amount of paint needed to apply a coat of paint 0.02 cm thick to a sphere with diameter 40 meters. (Recall that the volume of a sphere of radius r is V=(4/3)πr^3. Notice that you are given that dr=0.02.)
asked by Henry 
precalculus
find an exact value for sin (3pi/8)
asked by yani 
math
1( which number is the solution for m + 90 = 150 A( 50 B( 60 C( 140 D( 240 2(which number is the solution of n/3 = 12 A( 36 B( 4 C( 4 D( 36 3( use mental math to find the solution of 19b = 190 A(10 B(11 C(171 D(280 4(estimate the solution of y + 1.8 =
asked by cross fire 
Trigonometry application
I need help with this problem. am having trouble solving this. A rocket tracking station has two telescopes A and B placed 1.7 miles apart. The telescopes lock onto a rocket and transmit their angles of elevation to a computer after a rocket launch. What
asked by Loretta 
MATH help
Find the area of the following shape. You must show all work to receive credit. Figure ABCDEF is shown. A is located at negative 2, 6. B is located at negative 5, 2. C is located at negative 2, negative 3. D
asked by flaca 
MATH HELP
Write the equation of the line that passes through the points (3, 6) and (4, 10) using function notation. f(x) = 4x − 6 f(x) = x + 4 y = x + 4 y = 4x − 6
asked by Oscar 
English and Vocabulary
My Vocab Words: 1. Degenerate 2. Implausible 3. incoherent 4. intercede 5. intricate 6. sanctuary 7. scrutiny 8. sinister 9. suffice 10. vulnerable need help 12 Birds feel ___ to attack when they are out in the open where shrubbery is sparse. To attract
asked by Kyle 
Statistics  PLEASE HELP!
For a lottery game, each ticket has a probability of 1 / 3.09 = 0.324 of winning a prize. Every friday you buy 1 lottery game. a) What is the probability you will win on two of your next three games?
asked by Lucie 
Calculus
The consumer demand equation for tissues is given by q = (97 − p)2, where p is the price per case of tissues and q is the demand in weekly sales. (a) Determine the price elasticity of demand E when the price is set at $26. (Round your answer to three
asked by Megan 
English
1. Part I of "Alone" can best be identified as an example of a (1 point) ballad. sonnet. lyric poem. narrative poem. 2. Which of the following lines from "Alone" best supports the author's epiphany regarding the human condition? (1 point) "...I pulled at
asked by dea 
Algebra
The functions f(x) and g(x) are described below. f(x) = 32x + 8 g(x) = 32x  9 The graph of g(x) is obtained by shifting down the graph of f(x) by _____ units. is it 17 or 17
asked by Oscar 
chem
How would your experimental formula of magnesium chloride “MgClx” have been affected if your product was not dried completely before weighing it? Would “x” be too high or two low?
asked by charles 
Math
Two individuals, A and B, are finalist for a chess championship. They will play a sequence of games, each of which can result in a win for A, a win for B, or a draw. Outcomes of successive games are independent with P(A wins) =.3, P(B wins)= .2,
asked by Brandy 
math
Name two 2digit factors whose product is greater than 200 but less than 600
asked by malik 
English
Which accurately describes the experience of gold seeker traveling to the Klondike? a. most gold seekers travel the whole distance by water b. about half of the gold seekers complete the journey to the Klondike*** c. all gold seeker were aided by the
asked by Kaai97 
2ND GRADE MATH
I have 3 coins, They total less than 25 cents. I cannot make 15 cents. I can make 6 cents. What are my coins.
asked by SAL 
language arts HELP PLZ
1)which of the following passages from "The Pigman and Me" helps to create a humorous mood? A.I just shut up and stared down at the ground B.i was terrified because I didn't know how to fight C.May your left ear wither and fall into your pocket D.he
asked by regan 
math
if a brush can be 1/8 inch longer than 5 1/4 inch .what is the maximum length if can be?
asked by le 
Math
12, 60, 300, 1500 what are the next two numbers in the pattern?
asked by Loretta 
Chemistry
How many joules of heat are needed to completely vaporize 24.40g of H2O at its boiling point. Delta H vap = 40.6kJ/mol
asked by Cindi 
chemistry
Write the net ionic equation for the following molecular equation. 3FeCl2(aq) + 2(NH4)3PO4(aq) Fe3(PO4)2(s) + 6NH4Cl(aq)
asked by jessica 
math
a section of lan is a square piece of land 1 mile on a side. How many acres are in a section
asked by angela 
Social Studies
Which of the following statements would describe a strength of the Articles of Confederation? A. The Confederation Congress could pass taxes. B. The federal court system handled all judicial matters. C. Any law passed by the Confederation Congress would
asked by Amber 
water & climate
We have a catchment with a total area of 9.0 km2, where the runtime principle applies. The area is subdivided in 5 regions (A1 to A5) in such a way that every individual area has a runtime of 30 minutes. The areas drain sequentially. A5 is at the top of
asked by rooney 
psychology
What are the steps of the scientific method?
asked by Anonymous 
maths
A helicopter flies in a straight line until it reaches a point 20 km east and 15 km north of its starting point. It then turns through 90° and travels a further 10 km. (a) How far is the helicopter from its starting point?
asked by ahmer 
MATH
Sal's Sandwich Shop sells wraps and sandwiches as part of its lunch specials. The profit on every sandwich is $2 and the profit on every wrap is $3. Sal made a profit of $1,470 from lunch specials last month. The equation 2x + 3y = 1,470 represents Sal's
asked by Lucy 
Math
Mark needs to cut a piece of glass to replace a broken window. He has four pieces of glass: 6 feet long, 5 feet long, 3 feet long, and 7 feet long. If the length of the glass he needs to cut is feet long, which piece of glass should he cut to have the
asked by MsHemmoPenguin 
Math
Which of the following is equal to the expression below?
asked by Joshua 
math
Hasan has 18 3/4 yards of fabric. It takes 3 1/6 yards to make a pillowcase. Has an plans to make as many pillowcases as he can. How many yards of fabric will be left over?
asked by Anonymous 
geometry
Triangle ABC is a right triangle. If side AC=5 and side BC=6, What is the measure of side AB which is the hypotenus
asked by Anonymous 
Language Arts
Which revision to sentence 4 contains an example of vivid description? Sentence 4: The map was confusing A)The number of colorful crisscrossing paths on the map made Sal's eyes glaze over B)The map looked completely baffling*** C)Even when she turned the
asked by Shalee ^~^ 
Social Studies
Who was the Georgia Patriot who helped defeat Thomas Brown, freeing Agusta from Loyalist control on June 5, 1781? A. Elijah Clarke*** B. Nancy Hart C. General Lord Cornwallis D. George Galphin Is this correct?
asked by Amber 
Statistics
A certain type of artificial heart has four independent, critical components.Failure of any one of these components is a serious problem that will cause the artificial heart to fail. The 5 year failure rate for each component follows: component 1=.02,
asked by Brandy 
Math
Graph of f(x)=log_2(x) has been transformed to g(x)=alog_2(x)+k. The transformed image passes through the points (1/4,9) and (16,6). Determine a and k. No idea. Thanks!
asked by Bethany 
science
quartz is a number 7 on the mohs hardness scale. Apatite is a number 5. a student has a mineral sample that scratches apatite, but quartz scratches the sample. What is the minerals most likely hardness 2 10 6 answer 2
asked by need help 
Career
8.) Dale has just come home from an informational interview. He should: (1 point) A.)write the interviewer a thank–you note. B.)compile his notes from the interview. follow up on the research tips the C.)interviewee gave him. D.)do all of these. 9.) A
asked by Quavo #FreeOffset 
Social Studies
Who organized trade in medieval cities and towns? (2 points) guilds• clergy knights journeymen 2. What is a fief? (2 points) a ruler of the Franks a ruler in Charlemagne's empire land given in exchange for loyalty• a Viking warrior 3. Christians and
asked by mary Ms. Sue Please 
algebra 2 A
Unit 5: Quadratic functions and equations. I need help with the Firework display portfolio?? Fireworks Display Portfolio ALGEBRA 2 A: QUADRATIC FUNCTIONS AND EQUATIONS Directions: You are part of a fireworks crew assembling a local fireworks display. There
asked by Cody 
Chemistry
Calculate the mass of Fe(OH)3 s) produced by mixing 50.0 mL of 0.153 M KOH (aq) and 25.0 mL of 0.255 M Fe(NO3)3 (aq), and the number of moles of the excess reactant remaining in solution. I got 0.242 g Fe(OH)3 and 3.83 mmol Fe3+ remaining.
asked by Tiffany 
Social Studies
Describe the Greek and Roman contributions to today's world.
asked by Rose 
First grade reading hmwrk?
I'm helping my little brother with home work. And he has to do something were you complete the sentences. The sentence I'm stuck on the first one. The sentence is: The_____Men______Me his words are: Set  Sent  Ten  Tell  Let  Get  All  Call  Make 
asked by Shalee ^~^ 
English
What impact did the Klondike Gold Rush have on Northern Canada? a. The Canadian government made the Yukon a territory and began to develop the region b. The gold rush made people see the Yukon region as a frozen wasteland c. Northern Canada was greatly
asked by Kaai97 
Algebra
2. X  7 > 10 X > ____ 3. 3x ≤ 21 X ≤ ____ 4.5a  2 < 18 A
asked by Peter 
Algebra
A collection of Halloween candy contain a total of 5 Goodbars and Moundbars.Chew on this,The grams of fat in these candy bars exceed the daily maximum desirable fat intake of 70 grams by 7.1 grams.How many bars of each kind of candy are contained in the
asked by Hung 
phsyics
The block shown in figure below lies on a smooth plane tilted at an angle è = 21.5° to the horizontal. Determine the acceleration of the block as it slides down the plane. Ignore friction.
asked by Tiffany 
Algebra
At Phillips college 40% of the students are male. If there are 1200 male students, then how many total students are there?
asked by Brenda 
Math
two boats leave the same port at the same time. one travels at a speed of 29 mph in the direction N 50 degrees E and the other travels at a speed of 35 mph in the direction S 70 degrees E. how far apart are the two boats after an hour.
asked by Claire 
Language Arts
2. In which of the following sentences does the boldfaced word contain the Latin root lum? A.The bear tucked into his cave for a long winter's (slumber). B.Hannah's face was (luminous) with the soft morning light. *** C.The (plumber) peered into the dark
asked by Shalee ^~^ 
U.S. History
1) How did replacing Roosevelt's secretary of the interior cause a dispute between Taft and the progressives? A: Replacing Roosevelt's secretary of the interior, James R. Garfield, an agressive conservationist, with Richard A. Ballinger, a more
asked by Victoria 
Chemistry
Two aqueous solutions, both at 25.00°C (100.0 mL of 0.223 M Pb(NO3)2 and 100.0 mL of 0.144 M Na2S), are mixed together in a calorimeter with a Ccalorimeter of 11.8 J/°C. The temperature of the solution increases by 2.40°C. Assuming that the density and
asked by Matt 
Electrical theory
a series RL circuit contains two resistors and two inductors. the resistors are 33 ohms and 47 ohms. inductors have inductive reactances of 60 ohms and 30 ohms. the applied voltage is 120 volts. what is the voltage drop on the 33 ohm resistor?
asked by Ed 
Math
Write the solution to the inequality in setbuilder notation. 9t4>32 a. {tt>4} b. {tt>6} c. {tt>28} d. {tt>36}
asked by Kaai97 
career
9.) A job meter is a way for: (1 point) companies to compare people who apply for jobs. A.)Write the interview a thankyou note. B.)employers to supervise workers when managers cannot see them. C.)you to evaluate your continued interest in a potential
asked by takeoff 
math
if one car drives at 83 mph and the other drives at 83 mph how long until their 83 miles apart. i did 83x + 48x = 83 131x = 83/131 divided by 1 x = 83/131 multiply by 60/1 = 131 multiplied by 60 = 2.2 i got 2.2 hours
asked by lexus 
geometry
The vertices of a triangle are P(–4, 1), Q(–2, –8), and R(8, –1). Name the vertices of the image reflected across the yaxis. 1.P'(–4, –1), Q'(–2, 8), R' (8, 1) 2.P'(4, –1), Q'(2, 8), R'(–8, 1) 3.P'(4, 1), Q'(2, 8), R'(–8, –1)
asked by jenny 
PHYSICS
A ball is displaced from O to A along a straight line with a distance of 5.0m,it will later return to O along the same path.what is the resultant displacement and the total distance by the ball?
asked by DICKSON 
math
Simplify each expression. Your answer should still be in exponential form. Make sure that you combine all numbers with the same base. y^a/y^b
asked by Claire 
aarays and expanded algorithm
How to get the answer to this problem 37 ×45
asked by bobby 
San Jose city college
Suppose a plane flying west a distance of 600 miles take 6 hours .The return trip take 5 hour . Find the airspeed of the plane and the effect wind resistance has on the plane?
asked by Hung 
Parametric derivatie help plz
Find the equation of the line tangent to the parametric curve define by x=cos2t and y=sin3t and t=pi/12 plz i don't no where to start from show working
asked by Collins 
math
which number will have the same result, when rounded to the nearest ten or hundred? 97 118 and 5 179 5,091
asked by Elsa 
Math
Cerulean City is 20 miles from home. We have gone 15 miles. What fraction of the distance have we gone? We have gone ? of the distance. (My thinking: I'm not sure, but I have a thought that you are supposed to divide 20 divided by 5.)
asked by Grace (The Puzzled Penguin) 
SCIENCE\PHYSICS
If a ball is displaced from O to A along a straight line with a distance of 5.0m,what is the resultant displacement and the total distance by the ball?
asked by Anonymous 
11th grade math
y^a/y^b
asked by Claire 
Social Studies
Which one of George Washington's generals played a key role in leading Patriot soldiers to victory in Augusta? A. Robert Mackay B. Thomas Brown C. James Grierson D. Nathanael Greene*** Is this correct?
asked by Amber 
11th grade math
Simplify each expression. Your answer should still be in exponential form. Make sure that you combine all numbers with the same base. y^a/y^b
asked by Claire 
science
Can the pitch of music affect concentration
asked by Aditto 
Math
At noon, ship A is 10 nautical miles due west of ship B. Ship A is sailing west at 25 knots and ship B is sailing north at 21 knots. How fast (in knots) is the distance between the ships changing at 5 PM?
asked by victoria 
Math
Landri slides a calculator across The 0.91m tall lab table but Sarah misses the catch. The calculator slides off the table and lands on their target on the floor which they had placed 1.03m from the base of the table. How fast was the calculator moving
asked by Camille 
Math
Are these the solutions to sin2x sinx = cosx? pi/2, 3pi/2, 3pi/4, pi/4, 7pi/4, 5pi/4
asked by Anonymous 
math
determine which two values the following expression is between? A.10.24 and 10.89 B.9.61 and 10.24 C.9 and 9.61 D.10.89 and 11.56 plz i really need someones help!!
asked by ter 
chemistry
If the specific heat of water is 4.180 J/(g/°C), what mass of water can be heated from 5.0 °C to 80°C by 27.0 kJ of heat?
asked by wendi 
Calculus
Let f(x)=x^4. If a=1 and dx=Δx=1/2, what are Δy and dy?
asked by Henry 
Calculus  Differentiate
Differentiate y= (sin(x)) / (x^4) y' = ?
asked by victoria 
Science
which of the following could not have happened as a pot of water boiled on the stove? A. Particle vibration increased. B. Particle vibration decreased. C. Particles moved father apart. D. Particles moved randomly. My answer is C.
asked by Lin 
Science
What would happen if gametes were not haploid? a. The offspring would have half the number of chromosomes it is supposed to have. b. The offspring would have double the number of chromosomes it is supposed to have. c. The offspring would be genetically
asked by goldensparklegirl222 
math
What is the value of x? 5x=35 x=
asked by flaca 
Math
Just learned log rules and I don't get it. How do you solve log5x^2 + 4log5x = 12 ? Thanks in advance.
asked by Ken 
Chemistry
How do you write the complete ionic equation and net ionic equation for ammonium chloride and copper (II) sulfate in water?
asked by Tiffany 
Science
which of the following features make earth and venus similar to each other ? (1point ) A . their size and mass b. their rates of rotation c. their atmospheres d. their directions of rotation****
asked by Cami 
math help azap
What is the value of x? 6x2(x+4)=12 x=
asked by flaca 
Chemistry
Arrange the following 0.100 mol L1 solutions in order of increasing pH: CH3COOH, NaCl, NaCH3Coo
asked by Litia 
physics
a 450 cm^3 of aluminum (D = 2.7 g/cm^3) is lowered carefully into a completely full beaker of water? what is the weight of the water, in newtons, that spills out of the beaker?
asked by denise 
MATH help
What is the value of x? 8x9=3x+16 x=
asked by flaca 
Social Studies
Which event marked the end of the Revolutionary War? A. the surrender of Thomas Brown B. the surrender of British General Lord Cornwallis*** C. the American loss at Camden, South Carolina D. when the Continentals took George Galphin's outpost at Silver
asked by Amber 
U.S. History (Ms. Sue)
Please, check my answers! 1) How did replacing Roosevelt's secretary of the interior cause a dispute between Taft and the progressives? A: Replacing Roosevelt's secretary of the interior, James R. Garfield, an agressive conservationist, with Richard A.
asked by Victoria 
math
5 part question. 1st part is Mr. Black has 3 baskets of apples in his store. in each basket are 9 red, 6 granny, 5 empire, 3 Fuji and 1 honeycrisp. What is the total number of each kind in the basket. We have 72 as the answer.
asked by Tracy 
math
Rachel deposited $6,004 in a savings account with simple interest. Three months later, she had earned $210.14 in interest. What was the interest rate?
asked by Jessica 
Behavioral Statistics Help!
The majority of the data is normally distributed if there are enough subjects. For instance, if you collected test scores of only a few honor students, the data will most likely not be normally distributed because you would have a sample that did not
asked by slomomo 
Social Studies
Who won the battle of the Atlanta Campaign
asked by Katie 
physic
a mass of 3kg rest on horizontal plane. the plane gradually inclined until at a angel 0=20 degrees with the horizontal, the mass just begins to slide. what is the coefficent of static friction between the block and the surface?
asked by daddy 
physics
A 214kg crate rests on a surface that is inclined above the horizontal at an angle of 19.4°. A horizontal force (magnitude = 541 N and parallel to the ground, not the incline) is required to start the crate moving down the incline. What is the
asked by sarah 
math
a rectangular tank,50cm long and 30cm wide,contains water upto a height of 9 cm.a box of dimensions 25cm,25cm,20cm is not placed in the tank so that its square faces rest on the bottom of the tank. the quantity of the water that must be poured into the
asked by madhulika 
chemistry conversion
Please help me with this problem converstion 0.04 ug/ul to ng/mL My answer is: 0.04 ug/ul = 40,000,000 ng/mL is this correct?
asked by Estera 
Math
First vehicle is traveling at 50 miles per hour. Second car is traveling at 65. They ate 15 feet apart when the second cars slammes on break. Will they have a empack and at what speed.
asked by Julia 
health economy
Suppose that you are to specify a shortrun production function for counseling services.Which inputs might you include in the production function?Which would be varaiable inputs and which would be fixed inputs?
asked by nicole 
math
what is 5.696 in scientific notation thanks!
asked by Esther 
Algebra
Whitch number is a perfect cube? 7 25 66*** 27
asked by Kaka 
math
Each child has 3 pencils if there are 225 children how many pencils are there in total
asked by pragathi 
Jose Escandon
How to write in Expanded algorithm of 4296 × 7 =
asked by jazlyn 
math
Mary purchased 4 blouses, 2 jackets, and 3 skirts. How many different outfits using a blouse, a jacket, and a skirt are possible?
asked by Anonymous 
Algebra 2
Can someone help me solve this inequality please? So I'm supposed to write the answer in interval notation and then graph it. The problem is the answer I get is negative and I thought that absolutes cannot be negative? Am I wrong? Here is my work so far:
asked by Jade 
Statistics HELP!!
Identify an example of a population that you would expect to be normally distributed. Explain why, according to you, it would be normally distributed. Then, describe a subset of the population you identified and explain why it would not be normally
asked by slomomo 
math logarithm
16.32*0.00635/0.0482
asked by logarithm 
Math
Question: use the first principles of a derivative to find (dy÷dx) f(x)= x^4 +4x^4 So we need to use the formula f(x+h) f(x) ÷ h So far I have x^4  h^4 4h^3x 6h^2x^2  4h^3x^4 + 4x^2 +8hx+ 4h^2÷ h is this correct and what do I do after
asked by fayza 
Math
The cost of a set of 4 tires is $192.00. What is the unit rate for the cost of 1 tire.
asked by Amy 
science
determine if each equation represent a redox reaction.if it is a redox reaction,write dowm the two half reactions of(1) 2KCL3=2KCL+3O2,,(2)BaCL2+2KIO3=Ba(IO3)2+2KCL and (3)HCL+NaOH=H2O+NaCL
asked by shanten 
Social Studies
What were the Indian achievements in the following? Medicine Metallurgy Math Literature
asked by Hayden 
math
Don bought a long sleeve shirt for 24.80. If the sale was 20% off, how much was the shirt originally? A) 32.00 B) 49.60 C) 31.00 D) 34.50
asked by Anonymous 
Chemistry DRBOB HELP ME PLEASE
Please help me N2O5(g) + H2O(l) > 2HNO3(l) delta H° = 76.2 kJ H2O(l) > H2(g) + 1/2O2(g) delta H° = 286.0 kJ 1/2N2(g) + 3/2O2(g) + 1/2H2(g) > HNO3(l) delta H° = 174.0 kJ Calculate delta H° for the reaction 2N2O5(g) > 2N2(g) + 5O2(g)
asked by Brooke 
Chemistry DRBOB HELP ME PLEASE
Please help me N2O5(g) + H2O(l) > 2HNO3(l) delta H° = 76.2 kJ H2O(l) > H2(g) + 1/2O2(g) delta H° = 286.0 kJ 1/2N2(g) + 3/2O2(g) + 1/2H2(g) > HNO3(l) delta H° = 174.0 kJ Calculate delta H° for the reaction 2N2O5(g) > 2N2(g) + 5O2(g)
asked by Brooke 
math
Don bought a long sleeve shirt for 24.80. If the sale was 20% off, how much was the shirt originally? A)32.00 B)49.60 C)31.00 D)34.50 my answer is 31.00
asked by Anonymous 
Physics
A 1400 kg car moves along a horizontal road at speed v0 = 21.4 m/s. The road is wet, so the static friction coefficient between the tires and the road is only μs = 0.127 and the kinetic friction coefficient is even lower, μk = 0.0889. The acceleration of
asked by AIsh 
Physics
A 0.473 kg mass is attached to a spring with a spring constant 110 N/m so that the mass is allowed to move on a horizontal frictionless surface. The mass is released from rest when the spring is compressed 0.119 m. Find the maximum force on the mass.
asked by AIsh 
Kengolry international acedemy
N=a+bT^2
asked by Gift 
Earth Science
How to draw 40 degrees north and 70 degrees south with latitude and longitude
asked by Ameen from school I.S.187 
World History
I need two causes and two effects for the following: The Italian Renaissance, The Medici family takes control of Florence, Mannerism moves to Italy, French Wars of Religion ends, John Locke develops theory of government. Please help I can't get any and I
asked by Anonymous 
college chemistry
Describe the preparation of 250cm^3 of 0.05M H2SO4 given the following stock bottle solution. %purity=98 Specific gravity=1.84 Molecular weight=98
asked by Ezinase 
Life Skills
How Does Empathy Positively Affect Education?
asked by Robert 
Geometry
given ABCD IS A rectangle . IF BC =5ft and AB =8ft find the missing sides
asked by Troy 
Physics
Your 50 lb sister is seated at one end of a 12 ft teeter totter. If the fulcrum is in the center, what is the moment of her weight? If you weigh 100 lbs, how far from the fulcrum must you sit in order to balance her? (I thought it may be 6 feet)
asked by Angie 
Math
I cannot figure out the missing value. 7^ 8 6 13=84
asked by Corey 
Grade 10 Math
A hospital plans to build a wheelchair ramp. It's slope must be less than 1/12 . The entrance to the hospital is 70cm above the ground. What is the minimum horizontal distance needed for the ramp?
asked by Troy 
Algebra 2
The cows at the evaleen dairy produce enough milk to fill a 4800 gallon tanker truck each day. The milk is then hauled to a processing plant where it it put into smaller storage containers and then used to fill gallon jugs that are delivered to local
asked by Health 
Social Studies
which of the following was instrumental in the creek resistance to the white settlers taking their land? A. George washington B. Alexander McGillivray*** C. Confederation government D. Georgia legislature
asked by Amber 
science
in western united states: How many states border by ocean?
asked by joe 
AP CALCULUS HELP
first, we must find 2z(dz/dt)=2x(dx/dt) + 2y(2y/dt) simplifying, we get: dy/dt=???(dx/dt + dy/dt) What is that simplified?
asked by Anonymous 
mathematics
The diagram shows how a cable is attached to the mast of a sailing dingy. A bar pushes the cable out away from the mast. Find the total length of the cable.
asked by khizar 
math
Dracula, Frankenstein, Mummy, Gilda and Zelda are all having a Halloween party. Each of them has given an invitation to all of the others. How many invitations have been given out?
asked by Sally 
precalc
h = 15 sin (π/7 (t2)) + 42 h is the height of the ball above the floors in inches at time t seconds 1) what is the highest the ball will ever bounce? 2) when is the first time the ball bounces that high? 3) write a general expression for the times at
asked by yani 
Chemistry
what principles in UVVIS spectroscopy and IR regions? how to work with organice molecules in both radiations?
asked by jess 
Earth Science
How to draw 40 degrees north and 70 degrees south with latitude and longitude. plez tell me how to draw it because im studying for a test and they tell me the questions I just need to know how to DRAW IT NOT WEBSITES BUT ITS STILL OK
asked by Ameen from school I.S.187 
Chemistry
Identify the excess reactant (HCl or NaOH) and its molar concentration when 1.55 g of NaOH is stirred into 150.0 mL of 0.250 M HCl.
asked by Tiffany 
calculus
if t represent career time and y represent earnings profit, what will be the earnings career function if y=5(e)^(1+0.5t0.05(t)^2)
asked by Brown 
math
use a trial and error strategy to solve this problem.two years ago sam was twothirds of pam's age. in three years sam will be threefourths of pam's age. in 20 years the sum of their ages will be 69. how old is sam?
asked by kasia 
physics
The aerodynamic drag on an aeroplane is given by D=bv^2. The power output of the aeroplane cruising at constant speed in level flight is proportional to a> v b> v^2 c> v^3 d> v^(3/2)
asked by Anushka 
Math HELP!
what is 9,348+102+5,802+1,933=
asked by Kailyn 
Math
If you are 15 how old will you be when you get out of high school?
asked by Aaliyah 
REPORT
HOW TO WRITE A REPORT?
asked by SAGAR 
English
True or false: Although Jack London lived to a relatively old age, his works did not enjoy popularity until after his death. True False***
asked by Kaai97 
English
Please check my answers. Which of the following sentences is punctuated correctly ? On January 1, 2000, many people thought that the new millennium would bring the end of the world,but it didn't ******** On January 1 2000, many people thought that the new
asked by Hannah 
English
1. Get off the ship. 2. Get out the ship 3. Get down the ship. 4. Get out of the ship. 5. Get down from the ship. =============== Which ones are the same as Sentence 1? What about the others?
asked by rfvv 
U.S. History
1) What problems did President Taft have with progressives on tariff issues? A: President Taft had several problems with progressives on tariff issues. One issue was the struggle with progressives over Speaker of the House Joseph G. Cannon. Progressives
asked by Victoria 
Social Studies
What is the meaning of Gulf for a fifth grader?
asked by Anonymous 
Chemistry
How many oxygen atoms are there in 0.018 mg of H2O?
asked by Ashley 
Chemistry 218
assume all of the ionized aspirin remains in the buffer solution and all of the unionized aspirin goes into to the ethyl acetate, what is the molarity of the aspirin in the ethyl acetate at pH 2 and pH 8? what equation would ou use for this?
asked by Rebecca 
Language Art
Directions: If the group of words is correctly capitalized, write Correct on the line. If the group of words is not capitalized correctly, rewrite it using correct capitalization. 1. Mississippi River spelled with lowercase m. The correct way is to write
asked by Patrick 
Math
A juice company wants find actual volume of juice in a 1L carton
asked by Makayla 
Math
Find the equation of the line of intersection of the two plane given by x+y+z=5 and 4x+y+2z=15
asked by Yong 
maTH
1.solve the inqulitey m71 3.p+5
asked by AABBCC 
Dallas Community College
A 2.00 kg blob of clay is moving with a velocity of 6.00 m/s at 49.0° when it collides and sticks to a 4.00 kg blob of clay that is moving with a velocity of 5.00 m/s at 123.0°. What is the magnitude and direction of the velocity of the resulting big
asked by Harry 
Algebra
It took 3 hoses 4 hours to fill the first 20,000 gallons in a swimming pool. Then a 4th hose was added. If there was 15000 gallon left to fill, how long did it take?
asked by Angela 
HTT
Calculate the IRR and NPV of this project utilizing 12% discount rate and a 15% cap rate. Ms. Brown was able to secure a loan for $1,540,000 and an early investor agreed to invest the remaining $660,000 in exchange for 20% ownership in the project.
asked by roslyn 
Language Arts
Decide whether each list of nouns is common or proper. Add another example to each list. Write P if the list shows proper nouns. Write C if the list shows common nouns. 1. Nebraska, Colorado, Utahp Example: New York 2. spikes,wood ties, sledgehammersc
asked by Patrick 
Maths
A number of two digit is 8less than seven times the unit digit. When the digit are reversed the number is decreased by 9, what is the number.
asked by Hayor 
math
Plot the two points described. Cherries cost $5 for two pounds and $7.50 for 3 pounds.
asked by ariel 
algebra
1/4  2/3x = 3/4  1/3
asked by gracelyn 
writing please someone help!!!
which traits are strongest in your persuasive essay: ideas, organization, voice, word choice, sentence, fluency, or conversation? provide textual evidence from your essay to support your answer. Please can someone help I'm having trouble figuring this one
asked by Anonymous 
PreCalculus
During a storm a ship is being tossed up and down by huge waves. The vertical motion of the ship is given by the equation: h = 21cos((2π/5)t) where h is height above sea level in feet at time t minutes. 1) Give the first 2 times that the ship is at sea
asked by Clarice 
MAth
1.solve the inqulitey m7
asked by DEEZ GOT HEE 
Math
A quality company verifies 2 shirts from the same box to insure the quality of the shirts that are being sent out. If each box contains 3 small, 4 medium, and 2 large shirts, what is the probability that they will pick the same size shirt for a box? I am
asked by Jessica 
Chemistry! HELP
What information about an electron in an atom is given by the following quantum numbers? 2px+1/2 Answer? (idk if this is right) : An electron located in the p orbital in the 2nd main enrgy level would be said to be located in the 2p sublevel.
asked by Sarah 
World History
What sort of things would contribute to the ancient Greek Intellectual and Political parts of S.P.R.I.T.E? Note: This is not homework this is just a question I have about my project.
asked by Aelia 
math help azap
What is the value of x? x+15=8 x=
asked by flaca 
GOA
A bullet is fired in a horizontal direction with a muzzle velocity of 300m/s.in the absence of air resistance,how far will it have droppped in travelling a horizontal distance of 20m.
asked by uchechukwu 
Chemistry! HELP
A chemistry student used the symbol "sx" to represent an s orbital that lies along the xaxis. Is this reasonable. Justify your answer.
asked by Sarah 
Chemistry
how to write a balanced equation for the following reactions with amounts of released or absorbed heat expressed in numbers within the equation 1 mole of methane with O2 yields CO2 and H2O and releases 213 kcal of heat
asked by Tammy 
Dallas can
Suppose you invest $2000 at an annual interest rate of 5.1% compounded continuously. How much will you have in the account after 3 years? Round the solution to the nearest dollar
asked by Jair 
Algerbra
The difference between two numbers is 77. Five times the smaller is equal to 7 more than the larger. What are the numbers?
asked by Lissa 
math
What is the value of x? 12x=7 x=
asked by flaca 
PHYSICS
A 81.8kg skier rides a 3300mlong lift to the top of a mountain. The lift makes an angle of 12.9 ° with the horizontal. What is the change in the skier's gravitational potential energy?
asked by Anonymous 
math please help
What is the value of x? 5x=35 x=
asked by flaca 
Astronomy
Why is the greenhouse effect on Earth not as drastic as on Venus? There is no carbon dioxide in Earth’s atmosphere. The oceans dissolved much of the carbon dioxide. Earth is smaller than Venus so it can’t hold the gases in the atmosphere. There is
asked by Sandra 
Geography and History (Ms. Sue)
1) How was the Yosemite Valley formed? A: ? 2) How did the establishment of the national park system help to conserve natural resources? A: The establishment of the national park system provided a safe haven for wildlife and put millions of acres of land
asked by Victoria 
precalculus
given that x is in quadrant 1 and that sin x = 2/3, find exact values for: is this correct? 1) sec (30° + x) = 3/√15 2) cos (1/2 x) = √(√5)/2
asked by o 
precalculus (check answer)
given that x is in quadrant 1 and that sin x = 2/3, find exact the value for: sin (3pi/8) =  √(1√2) / (2√2) is my answer correct?
asked by o 
math
y= 3x+ 9
asked by chris 
MATH help
What is the value of x? x/45=6 x=
asked by flaca 
Resturant/Diner
Make up a name for a restaurant or a diner. Don't ask. Its for an English assignment! :):)
asked by Jasmine 
Grammar
Which choice is a sentence fragment? Question options: Turning on the light, he suddenly got a shock. In the first year, Julio won three blue ribbons. Maggie's photos displayed in the lobby. We swept the floor first and then washed dishes.
asked by Mary 
math
what is 10 5/18  8 5/6 A. 2 5/9 B. 2 13/18 C.1 4/9 d. 1 11/18 I think It is B?
asked by john 
math
Ken borrowed $76.14 from his brother. Last month he paid him onethird of what he owes. Ken told him that next week he'll be able to pay 50% of what is still owed. After that payment, how much will Ken still owe his brother? plz!! i really need help
asked by ter 
physics
a truck beneath an airplane that is moving 180 km/h at an angle of 47 to the ground. How fast must the truck travelto stay beneath the airplane? Answer in units of km/h.
asked by chris 
Chemistry
2 KMnO4 + 5 H2C2O4 + 3 H2SO4 > 2 MnSO4 + 10 CO2 + 8 H2O + K2SO4 How many milliliters of a 0.123 M KMnO4 solution is needed to react completely with 3.141 of oxalic acid? Please help I've worked this every way I know.
asked by Tyler 
math
negative one times the sum of twice a number and 3 is equal to two times the difference of 4 times the number and 3. what is the number?
asked by Zhen 
Programming
Create and test a Visual Basic application to allow teachers to enter student results. One dimension of the array will hold the results for up to 10 students. The other dimension will hold up to 5 subjects. Additionally a string based array will hold the
asked by Matthew 
PHYSICS
A 48.7g golf ball is driven from the tee with an initial speed of 47.5 m/s and rises to a height of 27.5 m. (a) Neglect air resistance and determine the kinetic energy of the ball at its highest point. (b) What is its speed when it is 6.60 m below its
asked by Anonymous 
Math
In a high school reunion, the organizers decided to sell 1500 raffle tickets at 1000 each for the four prizes of 250,000 125,000 75,000 50,000 What is the expected value of one ticket? I got 670, is this correct? Thanks!
asked by Jen 
Math
Find the equation of the line of intersection of the two plane given by x+y+z=5 and 4x+y+2z=15 Pls help me to solve this.. After i use cross product i got (1,2,3)..Then what should i do?
asked by Yong 
Physics
An object initially at rest experiences an acceleration of 9.8 m/s^2. How much time will it take to achieve a velocity of 58 m/s?
asked by Sarah 
algebra
How long will it take for an investment to triple in value if it earns 11.75% compounded continuously?
asked by maria 
physics
An engine of mass one metric ton is ascending on an inclined plane, at an angle tan ^1 (1/2) with horizontal, with a speed of 36km/hr. If the coefficient of friction at the surface is 1/(3^1/2) then the power is?
asked by Anushka 
math 7th grade
solve 2 step equation m + 5 ______ = 5 I thought the answer was 50, but my mom is not sure
asked by judith 
statistics
what is the difference between the coefficient of determination and residuals
asked by Anonymous 
math
Karla went shopping and bought a dress for 5 1/2 dollars and a skirt for 2 3/5 dollars/ If she paid for the clothes with a $20. how much money did she have left?
asked by Tonya 
Math
Are my statements correct? U={1,2,3,4,5,6,7,8}, A={1,3,5,7}, and B={4,5,6} My statements: A⊆B B⊆U
asked by Kaai97 
Math
How do I get (sinx cosy + cosx siny) (cosx cosy + sinx siny) in the form of 1/2(sin2x + sin2y)?
asked by Anonymous 
math
The value of a car depreciate each year by 5% of its value at the beginning of that year . lf its value when new on first January 2000 was 10250, what was its value in January 2009, when it was 9 years old? give your answer, correct to three significant
asked by faith 
Science
Felipe made a toy boat out of clay, but it kept sinking in water. He changed the boat's design by making it slightly wider than before. Why did Felipe's newly designed boat float on water? A. He decreased the density by increasing the volume. B. He
asked by Carrie 
Math
Find the value of cos2x. cosx = 2/3 pi/2 < x < pi Is this 1/9?
asked by Anonymous 
math
the cost of 5 digital cameras and 3 similar video cameras is 3213.00. each video camera costs 4 times as much as each digital camera. john buys a digital camera and a video camera. how much does he pay?
asked by ra 
Career
4.)Your public library can provide you with ? A.)books & other printed information about careers B.)Access to internet sites & other elctronic materials about careers C.)Staff members to help you find materials D.)All of these I Put D Am im correct?!
asked by Quavo #FreeOffset 
English
Homework Help: English Posted by rfvv on Tuesday, October 27, 2015 at 9:18am. 1. Tomorrow, we're going to go to hike. 2. Tomorrow, we're going to go hiking. =================== Which one is grammatical? Are both grammatical? Then, what is the differencein
asked by rfvv 
Math
Sixty girls were scheduled to paint flower pots for the school's annual fair. When 3 of the girls became sick the rest of the girls had to paint 8 more flower pots each how many flower pots did they have to paint altogether ?
asked by Jen 
Math Can Someone explain me about this question
Danika has a board that is 4 yards long. How much needs to be sawn off to make the board 2 feet 8 inches long? A) 1ft 4in B)9ft 4in C)8ft 6in D)2ft 6in
asked by Bob 
math
Karla went shopping and bought a dress for 5 1/2 dollars and a skirt for 2 3/5 dollars/ If she paid for the clothes with a $20. how much money did she have left? how do i solve this problem using models
asked by Tonya 
Algebra II
A coin jar contains 3 pennies, 8 nickels, 6 dimes, and 5 quarters. If a coin is chosen at random, what is the probability of choosing a dime? a) 8/11 b) 3/8 c) 3/22 d) 3/11 So I'm confused. I solved this, but my answer was 6/22 > 3/12 > 1/4 (this being
asked by Nina 
Math
Two students are playing a math game. The object of the game is to make the least possible number by arranging the given digits inside value bars on a card. In the first round, each player will use the digits 3, 5 and 7 to fill in the card. One student
asked by Trevor 
Counting and Probability
How many 2letter "words" consist of two different letters arranged in alphabetical order? (Any two letters together is considered a "word." For example, one such word is dq.)
asked by Mr. Alexander 
humanity
Which of the following statements regarding postmodern art is true?
asked by Which of the following statements regarding postmo 
Counting and Probability
In how many ways can 4 boys and 4 girls sit around a circle table if all the boys sit together? (Rotations of the same arrangement are still considered the same. Each boy and girl is unique, not interchangeable.)
asked by Mr. Riland 
math
Of the 34 students in a class, there are 2 fewer students with blue eyes than there are students with hazel eyes. Also, there are twice as many students with brown eyes than there are students with blue eyes. Which of these is either the number of students
asked by jim 
math
jonathan purchases calculators for his math club after school. the total cost (t) is $325 for 25 calculators (c). what is the equation that represents this proportional relationship
asked by enmanuel mejia 
Maths Lit , Business Studies , Geography , Tourism
I'm in grade 12 I just want to know which courses will I take in Varsity
asked by Linothando 
Biology
What are good ways to remember what the Cytoplasm, Golgi apparatus, vesicles, etc do? I have a hard time remembering all the cell organelles
asked by Geo 
Social Studies  Check my work
Multiple Choice: 1.) What document signed in 1689, later inspired the creation of the American Bill of Rights? a.) the Magna Carta b.) the English Bill of Rights c.) the Pennsylvania Constitution d.) the Navigation Acts. 2.) How did England view its North
asked by Abz 
computer science
5. Calculation of tax in Ruritania In a fictitious country of Ruritania, which is in a fictitious continent called Afrisia, the tax system is highly simplified. They have system where all taxes are converted to one single value and then the tax is applied
asked by Bofelo 
Pertunia msimango
What kind of career should ifollow if i study,hitory.geography,lifesience,life orientation and english
asked by Pertunia msimango 
MATH PRE ALGEBRA
Estimate 14.16÷6.82
asked by Sherwanda 
English
How does the interaction between waverly develop over the course of the passage "rules of the game."
asked by B 
Math
Dylan plants grass in a rectangle space behind the clump house.nthe area of the space was 70 ft. If the length of the space is 14 ft. What's the width of the space
asked by Dylan 
Chemistry
Calculating theoretical yield and percentage yield from preparation of 4acetoxybenzoic acid from the interaction of 4hydroxybenzoic acid and sulphuric acid
asked by Andrew 
Social Studies
Wat r 10 facts u didn't know about the Atlanta Campaign
asked by katie 
Physics
When jumping straight down, you can be seriously injured if you land stifflegged. One way to avoid injury is to bend your knees upon landing to reduce the force of the impact. A 69.3kg man just before contact with the ground has a speed of 6.94 m/s. (a)
asked by john 
math
Simplify each expression. Your answer should still be in exponential form. Make sure that you combine all numbers with the same base. \frac{r^{5}s^{3}}{rs^{2}}
asked by Claire 
Physics
If an Indian was to drive a 875kg buffalo over the edge of a 33 meter cliff with a horizontal velocity of 8.75 m/s, how far from the base of the cliff would the buffalo land?
asked by Mackenzie 
physical education
what is coasting in a 100m race
asked by Thabiso kebafithetse 
Math 67
What is the definition of prime factorization?
asked by Versace