Questions Asked on
September 18, 2016

stats
Find the zscores for which 92 % of the distribution's area lies between minus z and z.
asked by chris 
Math
You roll two fair dice. Let E be the event that an even total shows on the dice. Let F be the event that a three shows on at least one die. Find P(F) and P(F∣E).
asked by Hannah 
Math
A 14 inch board is to be cut into 3 pieces so that the second piece is twice as long as the first piece and the third piece is 4 times as long as the first piece. If x represents the length of the first piece find the lengths of all three pieces
asked by Anonymous 
Math
What are the odds of drawing a 5 from these cards? 1,2,3,4,5 I do not understand how to solve this. Thanks
asked by Katie 
Statistics
From a sample with n equals=24, the mean number of televisions per household is 3 with a standard deviation of 1 television. Using Chebychev's Theorem, determine at least how many of the households have between 1 and 5 televisions.
asked by Addison 
Maths
Boy lost 0.3 of his marbles . He has 77 left . How many did he start with?
asked by Anonymous 
Math
Your long distance telephone providers offers two plans.Plan A has monthly fee of $15 and $0.25 per minute. Plan B has a monthly fee of $20 and $0.05 per minute.Write and solve an equation to find the number of minuts that you must talk to have the same
asked by Lara 
Science
A piece of unknown metal with a mass of 68.6 grams is heated to an initial temperature of 100 Celsius and dropped into 42 grams of water with an initial temperature of 20 Celsius in a calorimeter the final temperature of the system is 52.1 Celsius the
asked by Raven 
Science
Which of these choices do both sustainable and organic agriculture avoid? A. Artificial hormones B. Pesticides C. USDA certification D. Antibiotics
asked by Dominic 
maths
A boat sails 50km on a bearing of 070degrees. How far east does the boat travel?
asked by ASB 
physics
A public transportation bus travels back and forth along a road, following the positiontime graph over the time period shown below. There are five points labeled on the graph. What is the average speed and velocity (magnitude and direction) of the bus
asked by jake 
Calculus 2
A culture of bacteria is growing at the rate of 20e^0.8t cells per day, where t is the number of days since the culture was started. Suppose that the culture began with 50 cells. (a) Find a formula for the total number of cells in the culture after t days.
asked by Alexis 
math
find the image (0,0) after two reflections first across y=3 and then across Xaxis
asked by dee 
Math
If we toss four fair coins, what is the probability that we get more heads than tails? HHHH TTTT HHTT TTHH HTHT THTH HHHT TTTH HTTH THHT Would the answer be 2/10? I am a little confused. Thanks for the help!
asked by John 
PreAlgebra
A chess club with 40 members is electing a new president. Lisa received 16 votes. What percentage of the club members voted for Lisa?
asked by Anonymous 
physics
Calculate the resultant force when four forces of 30N due east 20N due north 50N due West and 40N due south are acted upon a body
asked by Suraj 
Language Arts
Can you help me unscramble to make a sentence Canoes called Inuit go frail in skin the kayaks fishing
asked by Maleek 
physics
A WEATHER BALLOON IS TO OPERATE WHERE THE DENSITY OF AIR IS 0.9Kg/m3. THE BALLOON HAS A VOLUME OF 20cm3 AND IS FILLED WITH NITROGEN WITH DENSITY 0.09Kg/m3. IF THE BALLOON BAG WEIGHS 118N, WHAT LOAD CAN IT SUPPORT AT THIS ALTITUDE?
asked by cho 
Math
Last month a store sold 4 times as many tapes as CDs. If the total quantity of these two items sold was 360, how many tapes did the store sell?
asked by Anonymous 
Culturel Diversity
Talking the talk emphasizes the use of lableing individuals positivly
asked by Maria 
physics
How much heat is necessary to change 345 g of ice at 11°C to water at 20°C?
asked by kim 
math
A farmer planted 3 2/3 acres of oats, 5 3/4 acres of wheat, and 2 5/6 acres of barley. Compute the total number of acres planted?
asked by ariana 
physics
A microwave oven has a power requirement of 1250 W. A frozen dinner requires 6.5 min to heat on full power. If the cost of electricity is 12 cents per kWh, how much does it cost to heat the dinner?
asked by kim 
Math
The price of a small cabin is $45,000. The bank requires a 5% down payment. The buyer is offered two mortgage options: 20year fixed at 6.56.5% or 30year fixed at 6.56.5%. Calculate the amount of interest paid for each option. How much
asked by Rose 
math
The length of the room is 9 meter, its floor is tiled by using 96 square tiles of 0.75m x0.75m each. What is breadth of the room?
asked by prabh 
Chemistry
You are required to prepare 100g of potassium nitrate crystals from its saturated solution at 75 degree Celsius. If the solubility of potassium nitrate at 75 degree Celsius is 155g and 20 degree Celsius is 31g, find the weight of potassium nitrate solution
asked by Sagnik 
Math
The maximum horizontal range of a projectile is given by the formula R=u^2/g, where u is the initial velocity and g is the acceleration due to gravity. Find the velocity with which a ball can be thrown to have a maximum range of 20 meters when the
asked by John Dosley 
physics
How much heat is necessary to change 345 g of ice at 11°C to water at 20°C
asked by kim 
Chemistry
pH indicators change color at their _____. The pH at which the color change happens for a particular indicator molecule depends on its: A. pKa; concentration. B. pKa; Ka or Kb. C. equivalence point; Ka or Kb. D. equivalence point; concentration. Is the
asked by Laura 
Math
Belinda borrowed $20,500 at simple interest rate of 4.30% p.a. from her parents to start a business. At the end of 3 months, she paid them $7,100 and $6,900 at the end of 8 months. How much would she have to pay them at the end of 18 months to clear the
asked by Paula 
English
3. The organizational pattern of the Gettysburg Address is (1 point) Problem and solution, because Lincoln explains what is necessary to win the Civil War. Compare and contrast, because Lincoln compares the soldiers at war with the ones who died.
asked by Fading 
psychology
when groupthink is at play, the ability to______is compromised.
asked by yn 
English
1. Mina uploaded Yujin's photo on the school website without her permission. 2. She uploaded her photo imitating monkeys. 3. She didn't ask Yujin if she could upload her photo. 4. She didn't delete the photo right away.  Would
asked by rfvv 
Maths
X Y & Z are 3 whole numbers that in total add up to 1750. X + Y and Z = 1750 X is 4 times greater than Y. Z is 2 times greater than Y. Calculate the 3 numbers X Y & Z?
asked by Ryan Smith 
Math
Nathan plants equal sized square of sod in his front yard each square has An area of 6 square feet Nathan plants a total of 1,000 squares in his yard what is the total area of the square sod
asked by Kayla 
math
What equation is equivalent to 24=ax+4y10, when solving for y? A: y=7/2ax/4 B: y=17/2ax/4 C: y=17 ax/4 D: y=34 ax
asked by Alexis 
Physics
Starting from rest at 10m to the left of the origin (the starting line of a race), a gokart undergoes constant acceleration of 2.46 m/s2. Make a table calculating the karts position and velocity at 10 second intervals from t=0 to 60 seconds. I have
asked by Jorge 
science
Maximize value Z = 15x + 10y subject to the constraints 3x + 2y ¡Ü ¡Ü 12, 2x + 3y ¡Ü ¡Ü 15, x ¡Ý ¡Ý 0, y ¡Ý ¡Ý 0 is
asked by chirag 
Physical Science
While rearranging a dorm room, a student does 310 J of work in moving a desk 1.5 m. What was the magnitude of the applied horizontal force?
asked by Anonymous 
Math
mrs sharma spends 5/8 of his income which is 5000 on food what is his income
asked by Shahd 
English
What is the Rhyme Scheme to the following Anne Bradstreet Poem To her father with some verses
asked by Elizabath Aeh 
PHYSICS
What is the change in momentum of a car weighing 1500 kg when its speed increases from 36 km/h to 72 km/h uniformly?
asked by Anonymous 
Maths
A water tap fills at the rate of 25 litre per minute into a water tank another water tap can fill water in the same tank at the rate of 15 litres per minute if both the water taps are opened then the water tank is filled in 15 minutes find the volume of
asked by Tanushree 
mathematical physics
Using Green's Theorem evaluate the integral ∮c(xydx + x^2y^2 dy) where C is the triangle with vertices (0 ,0), (1, 0) and (1, 2).
asked by gourav bhardwaj 
physics
The energy released by a heater which draws a current of 5A at 220V for 1min. E ~ V × I× t( hrs)÷1000 220×5×0.0167÷60000 Is equal to 0.00030 Kwh
asked by lhamo 
Biostatstics
Question: The New York State Health Department reports a 10% rate of the HIV virus for the “atrisk” population. Under certain conditions, a preliminary screening test for the HIV virus is correct 95% of the time. (Subjects are not told that they are
asked by Lynn 
Physics
A diver jumps off of a diving board. She leaves the board with a velocity of 3.70 m/sec in the upward direction. How far will she rise above the diving board before she reverses her motion and starts to fall downward?
asked by Tara 
Math
In the square, x represents a positive whole number. find the value of x such that the area is equal to half the perimeter of the square.
asked by John Dosley 
Math
Benjamin had to make payments of $1,500.00 and $2,600.00 in 12 months and 14 months, respectively, to a raw material supplier. What single payment in 3 months would settle both these payments? Assume a simple interest rate of 7.90% p.a. and use 3 months
asked by Ann 
Math
Parmesan cheese was on sale for $13.60 per pound. Wesley bought a piece of the parmesan cheese that weighed 1 1/8 pounds. How much did he pay? Answer ASAP..
asked by Verna 
math
Which choice is equivalent to the equation 4(x+b)=p+8b A: x=p+7b4 B: x=4p28b C: x=1/4p+b D: x=1/4p3b
asked by Gg 
Math
Solve the equation. 1. y5/3 =1 A 2 *** B 8 C 18 D 6 2. 6x + 29 =5 A 4 B 18 ** C 204 D 144
asked by Louis 
PHYSICS
Two objects are tied together and placed on a frictionless table. One is pushed off the edge of the table so it falls, dragging the second along the surface of the table. The magnitude of the acceleration of the falling object is _______.
asked by Anonymous 
Physics
The Earth is about 81 times more massive than the moon. During the gravitational interation of the Earth and the Moon, the magnitude of the gravitational force acting on the Earth _______ the gravitational force acting on the Moon. A) is greater than B) is
asked by Anonymous 
Chemistry
How do i calculate these and express the answers in significant digits? 2.865 x 10^4m x 1.47 x 10^3 8.071 cm^2/ 4.216 1.142 x 10^8 mm^2 / 8.5 x 10^4 mm i tried the first one and got 4212. but i don't know if it's right
asked by Holfbrincl 
math
Ben deposits $400 into an account that earns 5% interest compounded annually. Sam deposits the same amount into an account that earns 5% simple interest. Compare the account balances after 2 years.
asked by mike 
Integrated Math
If (c) were f(x)=4/(k+7) what value of k would be excluded from the domain? I know that we cant have 0 in the denominator. I solved the following: k+7=0 Value cannot be 7
asked by Bill 
Physics
A truck of mass 2 tonnes moving at a speed of 25 m/s is brought to rest suddenly in 5 seconds. Calculate the power exerted by the brakes
asked by Muomen 
Maths
In a circle of diameter 40 cm the length of a chord is 20 cm find length of minor arc of chord
asked by Spandan 
calculus and chemistry
A container of hot liquid is placed in a freezer that is kept at a constant temperature of 10°F. The initial temperature of the liquid is 160°F. After 5 minutes, the liquid's temperature is 60°F. How much longer will it take for its temperature to
asked by Sarah 
Chemistry
a. Write and balance the equation for the reaction of calcium carbonate with hydrochloric acid, then answer the following questions. b. What mass of calcium carbonate is required to neutralize 83.5mL of 6.00M HCl? does the balanced equation have any
asked by Anonymous 
Math
Combine like terms: 1. 21a + 16a A 5a B 5a C 37a D 37a** 2. 5 (x + 10) + x A 6x + 15 ** B 5x + 15 C 6x + 50 D 4x  50
asked by Louis 
math
In the square, x represents a positive whole number. find the value of x much that the area is equal to half the perimeter of the square.
asked by John Dosley 
Math
Remember each team has to have same number of boys and thr same number of girls. There are 12 boys and 15girls. How many teames can be formed?
asked by Shanti 
science
what mass of CO2 can be formed when 14.17g of C4H10 are burned in excess oxygen I do not even know where to start
asked by gearah 
math
The formula for the area of a trapezoid is A=1/2h(b1+b2) were h is the height of the trapezoid, and b1 and b2 are the base lengths of the trapezoid. Which formula can be used to find the length of b1?
asked by Gg 
Math
In a fruit basket there are nine apples 18 bananas and 15 oranges what is the ratio of bananas to the total number of fruit in the fruit basket
asked by Kaydence 
physics
On a banked race track, the smallest circular path on which cars can move has a radius of 101 m, while the largest has a radius of 163 m, as the drawing illustrates. The height of the outer wall is 19.0 m. Find (a) the smallest and (b) the largest speed at
asked by xavier 
Algebra
Solve the system by elimination. X+y=4 Xy=2 I can't figure this out please help
asked by Jacob 
Math
Please help me. You work every Sunday in the yard from 8:00 A.M. To 11:30 A.M. Draw a diagram that shows the rotation completed by the hour hand of a clock during this time. Find the measure of the angle generated by the hour hand in both degrees and
asked by Stephanie 
Chemistry
If you had dehydrated 1.00g of the hydrate CaCl2 ∙6H2O how many grams of anhydrous CaCl2 would you expect to be produced? Show calculations. I really am having a hard time with this question. I don't know where to start and how to perform it.
asked by Chris 
Math
270 tickets were sold at a school event. The total money collected is $1700, if the adults cost $10 and the student section cost $5. How many adult tickets were sold? My teacher gave this to us but he didn't explain it how. Can you help me answer this
asked by Anonymous 
Math
Suppose a fair foursided die is tossed 22 times. What is the probability of getting at most 6 fours?
asked by Chris 
Algebra
A department store is offering a coupon for 26% off for any purchases over $100. How much would you spend for a $100 purchase? You would spend $____. Construct a formula a piecewise functiom for the actual cost, C, of the purchase as a function of the
asked by Katy 
Math
If a have half a quart of hot chocolate and each mug holds 1/8 a quart of hot chocolate how many mugs will I fill
asked by Bra 
chemistry
How many grams of FeBr 3 would be present in 150.0 mL of a 0.435 M FeBr 3 solution?
asked by lana 
English
What does this sentence mean from the Scarlet Letter? Yet the taste of the age, demanding whatever was elaborate in compositions of this kind, did not fail to extend its influence over our stern progenitors, who had cast behind them so many fashions which
asked by Jake 
Math Algebra
A brand cookie mix calls for baking cookies at a temperature of 350°F. However, for high altitues (35006500 ft. above sea level) l, baking at 37t°F is suggested. a. Construct a piecewise linear function for the recommended baking temperature, T (s), as
asked by Fergie 
Geometry
E = hc/y , solve for the variable h
asked by Student 
French class
please help!!
asked by briley 
Chemistry
How many grams of CO2 is produced from 855 grams of C6H12O6 in the process of cell respiration?
asked by Anonymous 
English
1. What will you do if you visit one of the four cities? Write a short passage about your trip. 2. What would you like to do if you visit one among the four cities in this passage? Write a short essay related to the trip with more than 10 sentences. 3. If
asked by rfvv 
math
The cans manufactured at a factory must have a capacity of 355 mL, with a maximum variation of less than 2mL.Cans with capacities outside this limit are rejected. Which inequality best represents the capacity, v, in ml, of a can that will be rejected?
asked by Anonymous 
SS
Ming Moved to toronto 10 years ago when he was three. He still Speaks Chinese but has learned english and some french. he celebrates both chinesse and canadaian holidays.ming best reflects that canada is a____________.
asked by Leila 
Math
What symbols will go in the numbers in this form 81 11 8 4 and 1 and equals 60.
asked by Bango 
Math
Factorise x^3+1/1/x^3 (i.e x cubed plus 1 and 1 over x cubed) how is it done? Thanks
asked by Ackron.Z 
language arts
Unscrable the word bssmyale.at a dance
asked by kabbi 
Math
1/4 + 2/7 + 11/12 subtract 3/4
asked by Anonymous 
Math
Show that the sum of 3 consecutive odd integers is a multiple of 3? I'm not so sure on how to answer this question, can you please help and show me on how to find it?
asked by Anonymous 
scince
If the intensity is increased by a factor 20,by how many decibel is the sound level increased
asked by krushna 
Math
How do I show that the sum of 3 consecutive odd integers is a multiple of 3? Can you please help me answer this question? My teacher didn't explain on how to solve it very well.
asked by Anonymous 
physics
What is the acceleration of a 10N freely falling object with no air resistance?
asked by lisa 
Physics
If you apply a changing force, will either the velocity or the acceleration change in the same way as the force?
asked by Jane 
Math
The sum of 5 consecutive even integers is 50. What is the middle one? Can you show the equation and how you solved it please?
asked by Anonymous 
Math 115
Create a piecewise function of the following scenario where D(t) is the total distance walked (in miles) as a function of time t (in minutes): “You begin a walk from your home at a fast pace of 6 miles per hour for 25 minutes. You rest for 15 minutes,
asked by Joana 
mathematical physics
Using Stokes' theorem evaluate ∫c F.dl where F = yi^+ xz^3 j^z y^3 k^ and C is the circle x^2+ y^2 = 4; z = 3.
asked by gourav bhardwaj 
Math
During summer vacation, Sanjay writes letters and postcards to his friends at home. A letter costs $0.41 to mail and a postcard costs $0.21 to mail. Sanjay writes to 8 friends and spends $2.08. How many letters and postcards he sends.
asked by Karen 
Math
How do I show that the sum of 2 consecutive integers is always odd? I'm stuck on this question. Can you explain and show how to solve this? Thank you! :)
asked by Anonymous 
Science
A transformer has 60 turns in the primary and 1200 turns in secondary.if the primary voltage is 500 V what will be the secondary voltage be? What will the current be if the primary if the secondary carries 2.0 A
asked by Hannah 
Maths
Mrs .Smith walk 3/8 of a journey and took a taxi for a further half of the journey and walk the remaining 2 kilometers A)how long was the entire journey? B)what was the total distance walked? C)how far did she travel by taxi?
asked by Sharda 
Math
How will you add,subtract,multiply, and divide 14,2,7,3,and 9 in that form to get to the answer 10.
asked by Lindy 
chemistry
a graduated cylinder containing 75.0 mL of water has a mass of 149.86 g. A piece of metal is added to the cylinder and the volume of the water changes to 86.3 mL. The mass of the graduated cylinder, water and metal rises to 218.90 g.
asked by nicholas 
Camestry
Calculate the mass of 0.250 L of ethyl acetate , if the density of ethyl acetate is 0.90g / ml .
asked by Bryan 
Physics
If a ball is launched straight upwards from the ground with an initial velocity of 20.0 m/s, how long does the ball take to reach a height of 15.0 m on the way up? For the same situation, at what time does the ball reach 15.0 m on the way back down?
asked by Chad 
Chemistry
At a high temperature, the equilibrium constant for the decomposition of hydrogen iodide is 65.0. If the initial concentration of HI is 1.60 M, what is the concentration of hydrogen at equilibrium? 2Hl(g) H2(g) + I2(g) A. 1.42 M B. 0.753 M C. 0.240 M D.
asked by Laura 
College Algebra
Consider the amount of gas in your car during a road trip. You start out with 40 gallons and drive for 4 hours, leaving you with 24 gallons in the tank. You stop for lunch for 2 hours and then drive for 2 more hours, leaving you with 16 gallons. t= time C
asked by Shany Mon 
Chemistry
Given the reaction: Cu2+(aq) + S2(aq) CuS(s) What will happen (a) if CuSO4(aq) is added? And (b) if Na2SO4(aq) is added? A. (a) Nothing; (b) Less product will form B. (a) Less product will form; (b) Nothing C. (a) Nothing; (b) More product will form D.
asked by Laura 
Math
Jason has 20 coins that are only dimes and quarters. The total value is $2.75. How many of these are quarters? I tried answering it but I got 5 quarters. I'm not so sure if that's the right answer. Can you show me the equation and the right answer to see
asked by Anonymous 
Physics
If a ball is dropped from a height of 100.0 m, what is it's height above the ground (in meters) after 3.0 s? If a ball is dropped from a height of 100.0 m, what is it's velocity (in m/s) after 3.00 s? You may treat downward velocity as positive.
asked by Brad 
Math
it is possible x square minus 2x ?
asked by Anonymous 
Economics
14. The lifecycle hypothesis and Permanent Income Hypothesis theories of consumption: A) are attempts to discredit the Keynesian consumption theory. B) believe that consumers do not have any autonomous consumption. C) assert that consumption is a
asked by Lynne 
math
hello, I am to calculate a model length of a boat and a car. The boat's true length is 17 feet and the car's true length is 20 feet. The model will be on a 1:16 scale. Could you tell me how I get started with this please?
asked by Carly 
Economics
15. Helen’s consumption function may be stated as $1,000 + 0.75 × YD . Her autonomous consumption is: A) 0.75. B) 0.25. C) $750 D) $1000. My answer is letter D, i just want someone to check if it's correct.
asked by Lynne 
Science 7th Grade
How do i solve this. Atomic Theory Date (year) Name of Scientist(s) Contribution to the Theory Source 5th century BC Leucippus and Democritus They proposed that all matter is composed of tiny particles called atoms that can’t be split into smaller pieces
asked by None Of Your BIzz 
Economics
16. Helen’s consumption function may be stated as $1,000 + 0.75 × YD. If her income is $50,000, her consumption will be: A) 37,500. B) $51,000. C) $1,000. D) $38,500. E) none of the above. My answer is A, i just want to double check if my answer is
asked by Lynne 
English
1. Will you summarize the passage? 2. Will you tell us summary of the passage? 3. Will you make a summary of the passage and say it to us? 4. Will you tell us about the summary of the reading text? 5. Will you summarize the passage and say it out loud in
asked by rfvv 
Algebra
In an automobile race, the rate of one car was 120 mi/hr and the rate of another was 105 mi/hr. If the faster car finished the race 20 minutes before the slower one, what was the distance of the race?
asked by Raquel 
Calculus III
Topic: Quadric surfaces. I have two homework problems, and they are quite a doozy for me. So the point is, I am given details of a quadric surface on the Cartesian coordinate system, and thus have to use the data to construct an equation through it.
asked by Justin 
Algebra
Find the value of r so the line that passes through each pair of points has the given slope. (r, 5), (3, 13)
asked by Christopher 
math
The ratio of two angles is 3:1 find the larger angle if the smaller is 180
asked by Anonymous 
English
Converting common noun into abstract noun
asked by noun 
algebra
the perimeter of one square exceeds that of another by 16 and its area is 14 less than 4 times the area of the other .what is the length of the side each square
asked by jm tablate 
AP CHEM
A bar of strontium metal is immersed in a 1.0 M copper(ll) nitrate solution. write the net ionic. I have the molecular formula written out but im not sure how to write the net ionic for this single displacement reaction
asked by Sophie 
PHYSICS
In an archery practice an arrow was realesed from a bow with a velocity of 20m/s it strikes and slopes find at what rate the aarrow was aaccelarated
asked by physics 
business
explain intel Core 2 duo T667(2.2 GHz ,2MB L2 cache )
asked by calvin 
Chemistry
There have been two ways on making transuranium elements: neutron bombardment and a)beta bombardment b)gamma bombardment c)positron bombardment d)photon bombardment e)heavy atom bombardment
asked by Mark 
English
when taking an online test, be sure to do all of the following EXCEPT:
asked by Anonymous 
Math
Suppose two cards are drawn from a wellshuffled deck of 52cards. What is the probability that both cards are face cards? What formula would I use?
asked by Liam 
Math
The equation of the motion of a body suspended by a spring is T=2π√m/k, where T is the time period, m is the mass of the body, and k is the force constant of spring. use this information to find the time period if a body of mass 10 kg is suspended by a
asked by Jourrapide 
MATHS
1) For how long must an investment be left at 5.5% p.a compounded yearly for the initial amount to double?
asked by MATHS 
Maths
Dave takes out a 27year mortgage of 200000 dollars for his new house. Dave gets an interest rate of 14.4 percent compounded monthly. He agrees to make equal monthly payments, the first coming in one month. After making the 70th payment, Dave wants to buy
asked by Tung 
physics
A 4.6 "kilo" bag of sugar is on a counter. How much work is required to put the bag on a shelf a distance of 0.45 m above the counter
asked by kim 
Physics
In mud buggy driving, people attempt to drive an off road vehicle over a deep mud puddle. If the buggy stops before the end, it sinks into the mud and needs to be pulled out with a tow truck. A racer is driving his mud buggy in a straight line . when he
asked by Geo 
Math
The average of four numbers is 33. Three of the numbers are 21, 42 and 32. Find the fourth number.
asked by Gayathri 
math
Sarah and Joe are seeking to join a gym. Sarah saw on television that Great Gym is offering membership at $19.50 per month, plus a onetime registration fee of $59. Joe plans to join Wacky Workout World because Wacky Workout World only charges $9.50 per
asked by abdullatif 
Algebra2
Solve the system by elimination. 2x+2y+3z=0 2xy+z=3 2x+3y+3z=5
asked by Steve 
math
Sarah and Joe are seeking to join a gym. Sarah saw on television that Great Gym is offering membership at $19.50 per month, plus a onetime registration fee of $59. Joe plans to join Wacky Workout World because Wacky Workout World only charges $9.50 per
asked by abdullatif 
Algebra2
Solve the system by substitution xyz=8 4z+4y+5z=7 2x+2z=4
asked by Steve 
math
Sarah and Joe are seeking to join a gym. Sarah saw on television that Great Gym is offering membership at $19.50 per month, plus a onetime registration fee of $59. Joe plans to join Wacky Workout World because Wacky Workout World only charges $9.50 per
asked by abdullatif 
Math
One number is 5 more than another. The quotient of the larger divided by the smaller is 4/3. Find the number
asked by Kim edurise 
math
Sarah and Joe are seeking to join a gym. Sarah saw on television that Great Gym is offering membership at $19.50 per month, plus a onetime registration fee of $59. Joe plans to join Wacky Workout World because Wacky Workout World only charges $9.50 per
asked by abdullatif 
Math
the Pythagorean theorem a square + b square = c square a square + x square = 4 square how to find x square?
asked by lulu 
CHEMISTRY
As a technician in a large pharmaceutical research firm, you need to produce 450. mL of 1.00 M a phosphate buffer solution of pH = 7.20. The pKa of H2PO4− is 7.21. You have 2.00 L of 1.00 M KH2PO4 solution and 1.50 L of 1.00 M K2HPO4 solution, as well as
asked by jess 
physics
While in Europe, a tourist hears on the radio that the temperature that day will reach a high of 22°C. What is this temperature on the Fahrenheit scale?
asked by kim 
chemistry
suppose that you have a micro pipet which delivers 100 drops per cubic centimeter, and a solution of 5.0% by volume of oil in alcohol. if you had used 10 drops of this solution, how many cubic centimeters of pure oil would be left after evaporation of the
asked by diana 
physics
A microwave oven has a power requirement of 1250 W. A frozen dinner requires 6.5 min to heat on full power. How much electrical energy (in kWh) is used?
asked by kim 
math
If a, b and c share a bag of mangoes in the ration 7:5:14 and b receives 18 mangoes less than c, how many mangoes does c receive.
asked by tjay 
Mathamatics
If it has been determined that the probability of an earthquake occurring on a certain day in a certain area is 1 over 20 , what are the odds against an earthquake? Would the answer be 19:1?
asked by John 
Maths
Simone wants to estimate the number of deer in a forest . She catches 60 deer and puts an orange mark on each one of them . She then releases them back into the forest . A week later she catches 30 deer and finds that 9 of them have an orange mark .
asked by Mariem 
Chemistry
KMnO4 + H2SO4 + H2S will give K2SO4 + MnSo4 + H20 + S
asked by Himanshu 
Algebra
120t = 105 (t+1/3) Find the disrance
asked by Raquel 
math
A box filled with 38 identical balls had a mass of 2.13kg.When 26 balls were removed,the total mass of box and the remaining balls was 0.96 kg.Find the mass of the box when it was empty
asked by melanie 
Geometry
Help! I need a 7 step proof of 4 triangles cut by two intersecting transversals. E IS THE MIDPOINT OF Ac. And two lines are parallel . Prove E is also the midpoint of something else
asked by LOVe 
math
MR Zheng sold a total of 576 muffins and cookies the ratio of the number of muffins sold to the number of muffin sold to the number of cookies sold was 4:5> how many muffin were sold and how many more cookies that muffins were sold
asked by melanie 
scince
Mars=750N the value of g is 38% of that of earth what is the mass of the men on the earth and his weight of mars
asked by Rahul gupta 
Math
In aclass of 100 students the average mark in math paper is 60.the average mark for the top 30 students is 80.find the average mark for the remainning 70 students.
asked by Kemigisha 
physics
23. Two identical balls each have an excess charge of 5.0 x 107 C, and they are attached to the ceiling by light string 0.80 m long as shown in the figure below. If the angle that the threads make with respect to each other is 300, determine the force
asked by christian 
Physics
In mud buggy driving, people attempt to drive an off road vehicle over a deep mud puddle. If the buggy stops before the end, it sinks into the mud and needs to be pulled out with a tow truck. A racer is driving his mud buggy in a straight line . when he
asked by Gerard 
Equivalent Payments
Belinda borrowed $20,500 at simple interest rate of 4.30% p.a. from her parents to start a business. At the end of 3 months, she paid them $7,100 and $6,900 at the end of 8 months. How much would she have to pay them at the end of 18 months to clear the
asked by Paula 
Math
The area of a plot of land on map A is 800cm^2. Calculate the area of the same plot of land on map B which has a scale of 1:5000. (Scale of map A is 1:3400)
asked by Jade 
Math
S = 2πr2 + 2πrh
asked by Carlos 
Computer Science
What is the rule for this function? input 1 output 2 input 2 output 5 Input 3 output 12 Input 4 output 34 Input 5 output 135 Input 6 output 741
asked by Rima 
math
The orbital velocity of a satellite is given by v=√GM/R+h, where G= 6.67*10^11 Nm^2kg^2, is the Universal Gravitational Constant, M=6*10^24 kg, is the mass of Earth, R=6.38*10^3 km, the orbit of the satellite, and h is artificial satellite above the
asked by John Dosley 
Math
In class 3 there are 30 pupils. There are 20 girls and 10 boys. A.What fraction of the pupils are girls? B. What fraction of the pupils are boys?
asked by Jalen 
math
What is the rule for this function? input 1 output 2 input 2 output 5 Input 3 output 12 Input 4 output 34 Input 5 output 135 Input 6 output 741
asked by Rima 
Chemistry
The mineral dolomite has the formula caco3.mgco3. When dolomite is heated for an extended period of time at elevated temperature it decomposed to give carbon dioxide and a mixture of calcium oxide and magnesium oxide. If a 5.424 g sample of the mineral is
asked by Andin 
Math
How do you do this problem its a literal equation problem. S = 2πr2 + 2πrh
asked by Carlos 
English
A fundamental theme of the Gettysburg address is A. The condemnation of unnecessary violence B. The description of the impact of the Civil War C. The appeal for preservation of democracy in the United States D. The appeal for democracy within the union I'm
asked by Fading 
Math
Ritz plumbing company charges a service fee of $75 and charges $50 per hour to fix your plumbing.
asked by Carlos 
Physics
A 20 kg block is placed on a 35 degree ramp. What is its true metric weight?
asked by Kori 
Chemistry
Calculate the number of moles of Cl atoms in 6.28 mg CuCl2.
asked by Collin 
math
The base of a prism is a right angled triangle with its two shorter sides are equal to 4cm and 8cm.The prism is 10cm long.
asked by need help 
Math 2
Solve for x (√3)sinx  cosx = 2 X is smaller than 360 degrees Help
asked by weirdo 
math
Write the following formula (for any triangle abc):  The minimum perimeter value of any triangle (abc) known heights corresponding to the sides a and b. x = side a height (known) y = side b height (known) p = perimeter (unknown) Note: You don't have the
asked by Jesus 
Physics
A skydiver is falling to earth. When he is traveling at 51.3 m/sec, he opens his parachute, and after 3.00 seconds he reaches the speed of 4.30 m/sec. The remaining 60 seconds before landing is spent traveling downward at the speed of 4.30 m/sec. What is
asked by Tara 
math
what is the answer please its my last question: S = 2πr2 + 2πrh
asked by Please Help 
Chemistry
1.0 x 10^5 mL=m^3
asked by Anonymous 
Physics
A rock perched on the edge of a cliff falls off. It starts from rest, and falls freely for 1.48 seconds before reaching the ground at the base of the cliff. What is the speed of the stone just before it hits the ground?
asked by Tara 
Math
Farmer has a field 1 square mile wide and 1 square mile wide. He divides it into fields 1/3 mile wide and 1/3 mile long how many fields will he have
asked by Nicole 
Chemistry
Calculate the concentration of chloride ions in the following solution. 73.28g of sodium chloride in 862. mL of solution. would it be 73.28g x 2 / 58.44g NaCl = 2.50 mol of Cl 2.50 mol Cl / .862 L = 2.91 M Cl
asked by Anonymous 
Math
Solve each equation. Write each equation in simplest form. 7x/8 +21 A 24*** B 18.375 C 1.857 D 19
asked by Liam 
Physics
A person takes a trip, driving with a constant speed of 94.0 km/h except for a 22.0 min rest stop. If the person's average speed is 60.1 km/h, how much time is spent on the trip and how far does the person travel?
asked by Jared 
Math
a triangle is 6 cm wider that it is tall. The area is 56 cm². Find the height and the base.
asked by Holli 
Physics
A student walking home at a steady rate of 4.80 m/s suddenly decides to start running. She can accelerate at 7.50 m/s22, and runs for 1.70 s before stopping. What distance did the student cover while running?
asked by Ann 
math
K=3gy/5f solve for g
asked by Ok 
Zean
Rewrite the following sentence and provide correct capitalization wherever needed. I love mama Liberia and am very proud to be a Liberian
asked by Robetter 
math
What is the rule for this function? input 1 output 2 input 2 output 5 Input 3 output 12 Input 4 output 34 Input 5 output 135 Input 6 output 741
asked by Rima 
College Math
One manufacturer needs to calculate the net price of an order with a list price of $800 and a trade discount series of 12/9/4. Use the net decimal equivalent to find the net price.
asked by CC 
math
The orbital velocity of a satellite is given by v=√GM/R+h, where G= 6.67*10^11 Nm^2kg^2, is the Universal Gravitational Constant, M=6*10^24 kg, is the mass of Earth, R=6.38*10^3 km, the orbit of the satellite, and h is artificial satellite above the
asked by John Dosley 
mathematical physics
An unbiased coin is tossed three times. If A is the event that a head appears on each of the first two tosses,B is the event that a tail occurs on the third toss and C is the event that exactly two tails appear in the three tosses,show that: i) Events A
asked by gourav bhardwaj 
HISTORY
1. Scientists classify native people living in the Americas as having lived during one of four time periods. Which shows the correct order in which these time periods occurred? (1 point) Woodland, Mississippian, PaleoIndian, Archaic Mississippian,
asked by FAM I NEED HELP 
Math
Solve each equation. Write each equation in simplest form. 6q + 5.8 = 23.8 A q = 3 B q = 3** C q = 1.83 D q = 4.93
asked by Louis 
MGT450
How is strategic planning different from a strategic analysis? 1) requires a lot of research about the external environment 2) requires buyin and commitment from the participants 3) ends with shortand longterm recommendations 4) is designed to choose
asked by Linda 
math
r=½x+y Solve for y
asked by Hose 
value
what are the branches of home economics
asked by value 
physics
In Mud buggy driving, people attempt to drive an offroad vehicle over a deep mud puddle. If the buggy stops before the end , it sinks into the mud and needs to be pulled out with a tow truck. A racer is driving his mud buggy in a straight line. when he
asked by Matt 
French
This is the edited verson after Mme helped. Can you check this again Mme? 1. La plupart des gens se demandent ce que est mon origine ethnique ... 2. Je suis heureuse de vous expliquer. 3. Mes parents sont nés au Vietnam. 4. Il y a des siècles, avant
asked by Lanna 
Math
The minute hand of a colck is 10cm long.How far does the minute hand move in 1 hour?
asked by Nick 
Math
Lester jogs 5 3/4 miles each day that he jogs. Last month, he jogged a total of 115 miles. How many days did he jog Last month? Plz answer ASAP!!
asked by Verna 
physics
In Mud buggy driving, people attempt to drive an offroad vehicle over a deep mud puddle. If the buggy stops before the end , it sinks into the mud and needs to be pulled out with a tow truck. A racer is driving his mud buggy in a straight line. when he
asked by Matt 
Civics
paragraph using the following words proprietary colony, royal colony, religious dissenters, puritans, and toleration.
asked by Christian