Questions Asked on
May 14, 2016

math (PLZ HELP ASAP)
The students asked their math teacher to tell them her age. She didn’t want to tell them, but she replied, “If you take two years from my present age the result will be three times my son’s age, and seven years ago my age was twice what his will be
asked by Anonymous 
Chemistry
Consider the following system at equilibrium. CaCO3(s) mc0321.jpg Ca2+(aq) + CO32–(aq) The addition of which compound will cause a shift in equilibrium because of a common ion effect? CCl4 CO2 CuSO4 Na2CO3
asked by Haylie S 
math
A pizza shop offers the toppings shown below. How many different 3topping pizzas can you make? pepperoni mushrooms sausage onion ham 6 10 ** 4 5
asked by gabby 
Chemistry
Consider the reaction below. 2C6H14 + 19O2 mc0321.jpg 12CO2 + 14H2O How many moles of hexane (C6H14) must burn to form 18.4 mol of carbon dioxide? 1.53 mol 3.07 mol 110. mol 175. mol
asked by Haylie S 
Algebra
For what values of a is the value of the binomial 2a−1 smaller than the value of the binomial 7−1.2a by 7?
asked by Chris Cook 
maths(pls help me)
A fair coin is tossed 400 times.Use the normalcurve approximation to find the probability of obtaining: a.Between 185 and 210 heads inclusive. b.Exactly 205 heads. c.less than 176 or more than 227 heads.
asked by farahan 
Algebra
For what values of p is the value of the binomial 1.5p−1 smaller than the value of the binomial 1+1.1p by 4?
asked by Chris Cook 
Walk Two Moons
Has anyone read the story walk two moons? If so, please help. where does Sal BEGIN to realize that her mother is really not returning? A) Lake Michigan B) Madison Wisconsin C) Pipestone Minnesota *** D) Sioux Falls, South Dakota please help, I've read the
asked by Sally 
Math calculation
A stock bottle contains 2.5 L of solution. How many 2 oz bottle can be filled using the stock solution?
asked by Samantha 
math (PLZ HELP ASAP)
Paula, Dianna and Annie are three friends. Paula is twice as old as Dianna, and in 2 years she will be three times as old as Annie. If Dianna is 5 years older than Annie, how old is Paula? please use algebra to justify your answer.
asked by Anonymous 
chemistry
For 109percent labelled oleum if the no. of moles of H2SO4 and free S03 be x and y resp. then whay will be the approx value of x+y/xy (here / means division)
asked by Rishav raj 
math
Anyone please help me! Directions: Follow the instructions below to design a fair race for the new video game Animal Tracks. 1. Choose two animals with different speeds. You can choose from the chart that starts at the bottom of this page or do research to
asked by Anna 
6th grade math
A single, standard number cube is tossed. What is the probability of getting a number greater than 3? A. 2/3 B. 1/3 C. 1/6 D. 1/2 I think that it's D because a standard number cube has 6 numbers, and if we could get a number greater than 3, three is half
asked by Lily L. 
Life orientation
Clearly describe a recent corruption and fraud case in the country making headline in the media: who the role players are who got involved,the extent to which it to other crimes,role played by the media and that of the state to deal with this crime
asked by Thabang 
World History
Winning which World War II battle allowed the Allied forces to protect strategic locations for trade and resources in the Mediterranean region? Battle of El Alamein**** Battle of Stalingrad Battle of Britain Battle of Midway
asked by Jessie 
math
by what approximate factor is the intensity of an earthquake with magnitude 5.4 greater than an earthquake with magnitude5.3?
asked by austin 
Geometry
What is the area of a regular pentagon with an apothem 14 inches long and a side 20 inches long? Round the answer to the nearest inch. Answer choices: 1400 in.^2 700 in.^2 175 in.^2 140 in.^2 Give work, not answer, please.
asked by Jake 
Physics
An elastic cord can be stretched to it's elastic limit by a load of 2n.if a 35cm length of the cord is extended 0.6cm by a force of 0.5n.what will be the length of the cord when the stretching force is2.5n
asked by Paul lazarus 
math (Please help me out)
An insurance company is reviewing its current policy rates.when originally setting the rates they believed that the average claim amount was 1800.00.they are concerned that the true mean is actually higher than this,because they could potentially lose a
asked by Ras 
Chemistry
Which represents the ionization of a strong electrolyte? CH3OH(l) mc0151.jpg CH3OH(aq) K3PO4(s) mc0152.jpg 3K+(aq) + PO43–(aq) H2CO3(aq) mc0153.jpg H+(aq) + HCO3–(aq) CH3COOH(aq) + H2O(l) mc0154.jpg H3O+(aq) + CH3COO–(aq)
asked by Haylie S 
L.A.
which statement best summarizes chapter 11, the Giver 1. Jonas and the Receiver read about snow and other types of weather not found in the community. 2. Jonas experiences tiny pinpricks of snow that touch his body and melt on his tongue. 3. The Receiver
asked by Halp pls 
geometry
You are putting hexagonshaped tiles on the path through the garden. The tiles will be placed as in the diagram that's 8 inches. If the path is 12 feet long, how many tiles will it take to cover the path? The correct answer is 21. How did they get that
asked by nino 
Math
Brent counted 10 red cards, 10 black cards, and 20 blue cards in a deck of cards. What is the ratio of red cards to the other cards?
asked by Elisa 
Math
Nelly spends 25% of her free time surfing the Internet. If she spends approximately 1 hour per day surfing the Internet, how many hours of free time does she have each day?
asked by Elisa 
chemistry
Cobalt Chloride forms pink crystals.When they are heated,water is evolved and they turn blue. .Explain how we could use Cobalt Chloride as a test for water??
asked by quratulain 
chemistry
2NO + O2 = 2NO2 How many grams of NO2 will be produced when 5.00 moles of NO react?
asked by chrissy 
Math
The time t required to drive a certain distance varies inversely with the speed, r. If it takes 4 hours to drive the distance at 40 miles per hour, how long will it take to drive the same distance at 55 miles per hour? a. about 2.91 hours b. about 160.0
asked by jimmy mic dimmy 
math
What are the solutions to the systems? y=x^2+6x+7 y=x+13 A. (1,14) and (6,7) B. (1,7) and (6,14) C. (1,13) and (6,7) D. No solution
asked by Help me please. 
Geometry
TAN (?) = 15 What is the missing value to the nearest hundredth? My guess is 86.19. :)
asked by Pete 
Maths
In a basket of apples and oranges. 15% of te he fruits are rotten. 30% of the apples and 10% of the oranges were rotten. Find the ratio of the number of apples to the number of oranges.
asked by Bennett 
language
think about the work you completed in your reading role determine the ideas that would be most worthy to share in a literary discussion about walk to moons provide an explanation for your choices how did the role you selected and the work you completed
asked by avery 
physics
a light pointer fixed to one prong of a tuning fork touches a vertical plate. The fork is set vibrating and the plate is allowed to fall freely. 8 complete oscillations are counted when the plate falls through 10cm. What is the frequency of the fork ?
asked by please Help urgently 
PLZ HELP I NEED HELP ASAP
Paula, Dianna and Annie are three friends. Paula is twice as old as Dianna, and in 2 years she will be three times as old as Annie. If Dianna is 5 years older than Annie, how old is Paula?
asked by Anonymous 
Algebra Quadratic
Find m if the line y=mx−2 intersects y=x^2 in just one point.
asked by Chris Cook 
maths
A sample poll of 100 voters chosen at random from all voters in a given district indicated that 55% of them were in favor of a particular candidate.Find confidence limits for the proportion of all the voters in favor of this candidate. a.95% b.99.73%
asked by farahan 
physics
a certain string vibrates in its fundamental frequency at 250 Hz. If the string is 15 cm long, what is the velocity of the wave in the string? What is the wavelength of the second harmonic frequency (the second wave which will fit into this length of
asked by Jason 
accounting principles
Success Systems had the following transactions and events in December 2015: Dec. 2 Paid $1,200 cash to Hilldale Mall for Success Systems’ share of mall advertising costs. 3 Paid $500 cash for minor repairs to the company’s computer. 4 Received $7,000
asked by myrel 
Chemistry
What is the gram solubility of Mg(OH)2 in a 0.55mol/L solution of KOH if the Ksp of Mg(OH)2 is 9.0x10^12?
asked by Brianne 
math
You own two restaurants. From 1995 to 2000, the sales R1 (in thousands of dollars) for one restaurant can be modeled by: R1 = 480 – 8t – 0.8t2, t = 0, 1, 2, 3, 4, 5, where t = 0 represents 1995. During the same 6year period, the sales R2 (in thousands
asked by Anonymous 
Algebra
What is the value of m, if the equation my^2+2y−4=0 has exactly one root?
asked by Anonymous 
math
If 25 dimes were moved from Box A to box B there would be an equal number of dimes in both boxes. If 100 dimes were moved from Box B to Box A, the ratio of dimes in box A to box B would be 7:2. What was the original number of dimes in Box A?
asked by kkkkkkkkkkkkkkkkk 
Advance Math,Science
The solubility of sodium chloride is 35.4g of water at room temperature. What mass of sodium chloride can be dissolved in 1kg of water at room temperature?
asked by Tabbie 
math
The variables x and y vary inversely. When y is 24, x is 8. What is y when x is 4?
asked by Anonymous 
chem
Calculate the enthalpy change for the conversion of 36.04 g of ice at 23.0 °C to water at 75.0 °C under a constant pressure of 1 atm. The specific heats of ice and water are 2.09 J/(°C . g ) and 4.18 J/(°C . g ) respectively. The heat of fusion of ice
asked by fez 
Precal
Given that P=(1,8) and Q=(2,1), find the component form and magnitude of the vector 3 PQ.
asked by Derek 
Chemistry
If 845mL of a 2.5x10^5 mol/L solution of Ni(NO3)2 was mixed with 195mL of a 4.86x10^2 mol/L solution of KOH, would precipitate form? Calculate the ion product for the potential precipitate. The Ksp of Ni(OH)2(s) is 6.0x10^16
asked by Brianne 
Functions Math
A car has 16 gallons of gasoline in its tank when it starts it's journey. On a long highway trip, gasoline is used at a rate of about 2 gallons per hour. The gallons of gas, "g", remaining in the car’s tank after "t" hours can be modeled by the function:
asked by Anonymous 
Maths fractions
A tank was 1/5 full .When another 700 ml of water was poured into the tank , it became2/3 full .Find the capacity
asked by Chirag 
math
a baker bakes bread and cake.he has 150 unit of A ,90 unit of B and 150 of C. One bread requires 1 unit of A ,1 unit of B and 2 unit of C. One cake requires 5 units of A, 2 unit of B and 1 unit of C. Find his maximum income if a bread sells for Tsh.350/=
asked by stembrige 
Stats Homework Please Help!!!
Statistics Homework Help! Statistics Question Political Contributions: Listed below are contributions (in dollars) made to the two presidential candidates in a recent election. All contributions are from the same zip code as the author, and the data are
asked by Lexus 
maths
I am greater than 24*4 My unit digits is less than my tens digit I am odd Tell who am i
asked by gaurav 
Engineering
What are few things that people want to know about electrical engineering??
asked by Sarah 
Statistics Please HELP
IQ Scores: Use the listed IQ scores. IQ tests are designed so that the mean IQ of the population is 100. Does the sample mean suggest that the sample is consistent with the population? IQ: 96 89 87 87 101 103 103 96 127 126 101 96 93 88 94 85 97 114 113
asked by Lexus 
Math help.
What are the solutions to the systems? y=x^2+6x+7 y=x+13 A. (1,14) and (6,7) B. (1,7) and (6,14) C. (1,13) and (6,7) D. No solution I think its D.
asked by Anonymous 
Science
Calculate the density of a 45g nickel weight and a volume of 22 cubic centimeters.
asked by Austin 
calculus question ?
I just can't wrap my head around this. I don't know if this is true I just came to conclusion with this if the limit of x> +/inf = L (if the limit of x going to pos/neg infinity gives you a number L) does that mean that L is a horizontal asymptote ? if
asked by AMELIA 
math
In a box contain 4 green balls 4 white balls and 4 red balls .If 4 balls are drown randomly what is the probability that no one even out of the 4 balls being white.
asked by Amit sahu 
Math
Find g(2) – f(2) Use f( x ) = 2x – 1 and g( x ) = x + 5
asked by Anonymous 
Math
6t^3x6t^3 A. 12t^3 B. 12t^6 C. 36t^6 D. 36t^6 Is the answer C? Thank you
asked by Wallflower 
Physics
A net force of 20N acts on a 5kg object.Determine how far the object travels starting from rest to acquire a speed of 8m/s
asked by Anonymous 
PLZ HELP I NEED HELP ASAP
The units’ digit of a twodigit number is 7 more than the tens’ digit. If 26 is added to the number, the result obtained is five times the sum of the digits. Find the number.
asked by Anonymous 
math
A body is thrown vertically upwards having the velocity of 10m/s. It's velocity when it touches the ground is
asked by piyush singh 
science
give five application of Doppler effects
asked by Anonymous 
Maths Logarithm
Q) what is the hundreds digit in 3^3^3? What are the steps in simplifying this number? Ty
asked by Jane 
Maths
A windscreen wiper of a vehicle clears out an angle at 108 degree.what is the area
asked by Mathew 
math
500bottles contains 10 bottles that are defective.3bottles are selected,random,without replacement.a)what is the probability that the third one selected is defective given that the first was okay and second one selected was defective?b)what is the
asked by koro 
Informaton Technology
Explain how each of the following contributes to the overall performance of a computer system and mentioned how it is done. (a) System optimisation (b) Component optimisation
asked by Sherzz 
Informaton Technology
Why is system Burnin important?
asked by Sherzz 
Informaton Technology
How does BIOS optimisation affect the performance of the computer system, and how it is done?
asked by Sherzz 
Informaton Technology
Differentiate between PIO and DMA and explain a means to perform Disk optimisation.
asked by Sherzz 
math
what is the surface area of a cube with side lengths that are 2/3?
asked by mhysa 
English
Posted by rfvv on Wednesday, May 11, 2016 at 7:11pm. 1. Don't eat food if the expiration date has passed. 2. Don't eat food whose expiration date has passed. 3. Don't eat the food whose expiration date has passed. 4. Don't eat spoiled food whose expiration
asked by rfvv 
English
1. He works at the Supreme Court. 2. He works at the supreme court. 3. He is a judge of the High Court. 4. He is a judge of the high court. 5. He is a judge of the District Court. 6. He is a judge of the district court. 7. There are several District Courts
asked by rfvv 
Governmental and Notforprofit Accounting
Despite the guidance provided by Statement No. 14, what might be the three reasons that drive inconsistent application
asked by Patte 
math
Can you help me? For the problem .6 is 266 2/3% of what number? would I change 266 2/3% to a decimal and put it over 100?
asked by Jack 
Chemistry
If the temperature of argon gas is 400 K and the average velocity of argon is twice that of radon what is the temperature of radon gas?
asked by Cornelius 
Physics
'A push broom consists of a 1.70 metre long handle with mass with mass 0.825kg, with a 0.500m wide brush with mass 0.420kg attached to the end of the handle' 'Treating both the handle and the brush as thin rods, find the moment of inertia I of the broom
asked by Cummins 
SCIENCE
A BOX HAS A BASE SURFACE AREA OF25cm2 AND THE WEIGHT OF 100N.CALCULATE THE PRESSURE IT EXERTS ON THE GROUND.
asked by JOY 
Math
Determin x if f(g(x))=0 for the following f(x) = 3x2 g(x) =5x+5
asked by Isaac 
Math
There are 3000 bacteria in a day, if the number of bacteria double per 2 days , how many bacteria can we expect to have in 15 days?? My result was 44,999.99 which if rounded is 45,000,am i accurate? ?
asked by Kiara 
math (pLZ HELP ASAP)
The units’ digit of a twodigit number is 7 more than the tens’ digit. If 26 is added to the number, the result obtained is five times the sum of the digits. Find the number.
asked by Anonymous 
Math
f( x ) = 3x + 5 and g( x ) = x + 9 Find: f( x ) – g( x )
asked by Anonymous 
Math
1. x(5x4) A.4x^25x B. 5x4x C. 5x+4x D. 5x^2+4x 2. 5k^2(6k^22k+6) A. 30k^3+3k^2+30k B. 30k^410k^3+11k^2 C.k^4+3k^3+11k^2 D. 30k^410k^3+30k^2. My answers. 1.c 2. a Thank you
asked by Wallflower 
Math
x(7x8) A. 6x^29x B. 7x8x C. 7x^2+8x D. 7x+8x Is the answer B Thank you
asked by Wallflower 
Algebra
Solve for t: t^6=8t^3
asked by Anonymous 
PreCalc
If five girls and five boys stand in a circle, how many arrangements are possible provided they stand alternately (girl, boy, girl, boy, etc)?
asked by Anonymous 
Science
What happens to your speed velocity and acceleration as you run circular laps?
asked by Stupid person 
College PreCalc
a.)Determine the location of the turning points for the cubic y=x^33x^2+2x+10. What are the maximum and minimum values for this function? b.)Use the fact that a cubic is symmetric about its point of inflection to determine the location of the point of
asked by Paige 
Math
Solve this equation. (x)/(x2) + (x1)/(x+2) =1
asked by Booby bob 
maths
if the angle of elevation of A from B is 65' what is the angle of depression of BB from A
asked by smith 
Health
Why is Oka cheese production important to Canada, or other countries around the world?
asked by Thi 
English assignment
Need help finding taboos in the 21st century
asked by Matt Damon 
geometry
quadrilateral ABCD is a trapezium iff its diagonals intersect each other in the same ratio .proof this
asked by Anonymous 
Math
The student mr. Davis class either walk or ride the bus to school the number of students ride the bus is a tenant in the number of students who walk is 12 is there a 450 students in the school how many students total can you expect to ride the bus
asked by Danny 
ALGEBRA
4x+6=8
asked by MULATA 
Maths
A cylindrical container has a base radius of 6m and lenght is 17m. calcuateits total surface areas curved surface areas volume
asked by Sophia Daniel 
science
Write a structural program to calculate the average of 10 students in 3 courses. Hint score < 40 fail
asked by olu 
math
there's a circle inside of a square like this: donlehmanjrcom/Tai%20Chi/Tai%20Chi%20Newsletters/excerpts11%20images/image001.png (add the period before the com) the circle has a radius of 2 in and an area of 12.56 in^2 how do i find the area of the space
asked by vic