Questions Asked on
February 13, 2016

Algebra 2
How is the expression log 32  log 8 written as a single logarithm? log 4 log 8 log 24 log 40
asked by Sandra 
ChemistryDr.Bob
The solubility of CO2 in water at 25 degrees Celsius and P CO2= 1 atm is 0.034 mol/L. What is its water solubility under normal atmospheric conditions (in air, carbon dioxide is about 380 ppmv assuming that CO2 obeys Henry's Law?
asked by Student 
physics
At a distance r1 from a point charge, the magnitude of the electric field created by the charge is 291 N/C. At a distance r2 from the charge, the field has a magnitude of 165 N/C. Find the ratio r2/r1. I divided 165/291 and got .567
asked by Naomi 
life orientation
evaluate how each of the following attitudes and behaviour will be ineffective when dealing with interpersonal conflict 1. passive/introvert 2. aggressive/bully 3. assertive/extrovert
asked by nthabiseng 
Science Please Help!!!
A woman with a genetic disease marries a man who does not carry the disease. It is not possible for their children to carry the disease. The disease must be a) sex  linked b) recessive c) dominant d) cause by an extra chromosome I think the answer is
asked by Sammy 
chemistry
the reaction of methane and water is one way to prepare hydrogen for use as a fuel: methanw react with water to from carbonmonoxide and hydrogen if you begin with 995g of methane and 2510g of water, 1.which reactant is the limiting reactant? 2.what is the
asked by dennis 
physics
To be dimensionally consistent, pressure [M/LT2], density [M/L3], and velocity [L/T] must be related as follows. Select one: a. pressure = density ´ velocity2 b. pressure = density2 ´ velocity c. pressure = density ´ velocity d. pressure2 = density ´
asked by Anonymous 
Math
Richa spends 1/4 of pocket money on chocolates,1/8 on pencils.At the end she had R's 40 left. How much did she have at the beginning? Many solved 25 questions of his math assignment.This was 1/8 of total questions. He does not know 1/5 of the rest. How
asked by Seema 
Math
The sum of 8 term of an ap is 100 while the sum of 20 term is 880 find the sum of 12 term
asked by Imaikop 
biostatics
if height of 300 students is normally distributed with mean 68.00 inch and standard deviation 3.0 in ch. how manystudents have heights greater than 72 inches?
asked by qamar 
Physics
Two spherical objects are separated by a distance of 2.97 × 103 m. The objects are initially electrically neutral and are very small compared to the distance between them. Each object acquires the same negative charge due to the addition of electrons. As
asked by Naomi 
Physics
A car is behind a truck going 18 m/s on the highway. The car's driver looks for an opportunity to pass, guessing that his car can accelerate at 0.6 m/s2 and that he has to cover the 20m length of the truck, plus 10m extra space at the rear of the truck
asked by Azel 
Physics
a 35 kg child slides down a 26 degree incline. the coefficient of kinetic friction is 0.33. what is her speed after sliding for 2.5 seconds starting from rest?
asked by S 
English
Write a narrative essay on "the new boy"
asked by Fitse hope 
Physics
a body is dropped from rest at a heigth of 80m above the ground. (1)what is the speed just before it hits the ground?.(2)how long does it take to reach the ground?.
asked by Adewale 
physics
A stone of mass 0.7kg is projected vertically upward with a speed of 5m/s.calculate the maximum height reached. [Take g=10m/s^2 and neglect air resistance]. "
asked by samuel 
Statistics
A volunteer ambulance service handles 0 to 5 service calls on any given day. The probability distribution for the number of service calls is as follows: one column has number of service calls (X) those numbers are 0 1 2 3 4 5. The next column Probability P
asked by Karen 
English
Consider the compound words blackboard and outfox and the relationship of their meanings to the meanings of the words that make them up. In what ways do these compound words show a degree of nonarbitrariness in their formmeaning connection? Will this true
asked by Bibi 
math
Find the three consecutive odd numbers whose sum is 147.
asked by sim 
Math
A rectangle ABCD is inscribed in a circle of radius 'a'. Find the 'area of the rectangle' function and state the domain.
asked by Kim 
Chemistry
Consider a sample of excited atoms that lie 3.211 × 10–19 J above the ground state. Determine the emission wavelength (in nanometers) of these atoms.
asked by Anisha 
science chemistry
A ground state hydrogen atom absorbs a photon of light having a wavelength of 93.03 nm. It then gives off a photon having a wavelength of 396.9 nm. What is the final state of the hydrogen atom? Values for physical constants can be found here.
asked by Anisha 
American history 1
What restriction did Spain place on American trade? The Spanish would allow Americans to buy only Spanish goods. ****The Spanish closed the West Indies to American trade. The Spanish prohibited Americans from trading with Britain. The Spanish closed New
asked by tiana 
American history 1
which word refers to a promise to pay back money invested in the American Revolutionary War effort? precedent speculator ***inauguration bond ***answer
asked by tiana 
Trigonometry
In a figure, ABCD is a rectangle in which AD=43.7 cm, DE=100 cm and EDC =27°, where E is a point above C making a rught angled triangle DEC above the rectangle. Find angle EAD. I found the other parts of this question but thjs one's difficult. I assumed
asked by DS 
math
gleo bought a new car it cost 23500 each year it loses 15% of its value what would it be worth when its 15 years old
asked by o 
algebra
A cashier has a total of 34 bills, made up of ones, fives, and twenties. The number of fives is one less than the number of twenties. The total value of the money is $237. How many of each denomination of bills are there? (Hint: Let x = the number of ones,
asked by Lindsey 
algebra
A rental truck costs $50 plus $0.40 per mile. Write an equation that gives the cost of driving the truck x miles Use the intersection of graphs method to determine the number of miles that the truck is driven if the rental cost is $70.
asked by Dee 
Trig
Find the exact value of csc 4pi/3 What I have determined thus far: 4pi/3 = 60 degrees sin = square root of 3/2
asked by Lara 
Trig
If cot theta = 12/5 and the terminal side of theta lies in quadrant II find secant theta
asked by Lara 
algebra
A rental truck costs $50 plus $0.40 per mile. Write an equation that gives the cost of driving the truck x miles Use the intersection of graphs method to determine the number of miles that the truck is driven if the rental cost is $70. Solve part (b)
asked by Dee 
Physics
Do the following calculations for a 1150 kg car. a. How much work must be done on the car to accelerate it from 0 to 60 km/h. **** Hi I am looking for advice on my questions below. This is my attempt at answering them.. Am i at least on the right track?
asked by Bryan 
maths( sets )
in the class of 30 leaners 17 plays football 15 leaners plays volleyball, 12 leaners rugby 9 leaners plays volleyball only and 3 leaners plays rugby only.all leaners plays atleast one of three sports.use the venn diagram to find the number of leaners who
asked by edgar 
chemistry..
(1) The same quantity of electricity is passed through 2voltameters connected in series, one copper voltmeter with copper electrode in a copper(ii) tetraoxosulphate(vi) solution. The other platinum electrode in a dilute solution of tetraoxosulphate (vi)
asked by dannystein 
Chemistry Dr. Bob222
What is the final temperature and state of water when 8.50 kJ of energy is added to 10.0 g of ice at 0 degree Celsius. Helpful information: Cs (ice)= 2.1 J/g•C Heat of vaporization (water)= 40.7kJ/mol Ca (water)= 4.184 J/g•C Heat of fusion (water)=
asked by Anonymous 
Geometry
A plane takes off at an angle of 24 degrees with the ground. How high in feet is the plane after its flight path is 3 miles long
asked by Anonymous 
life orientation
explain the meaning of intra and inter personal conflict and give an example of each to demonstrate understanding
asked by nthabiseng 
english
Jimmy you must leave the room shut the door and be quiet. Which of the following options correctly punctuates the sentence above? A Jimmy, you must leave the room, shut the door, and be quiet. B. Jimmy; you must leave the room, shut the door and be quiet.
asked by sharon 
Physics
A pole vaulter has 3500J of energy when he crosses a bar 7 metres high. How much kinetic energy will he have before he reaches the ground?
asked by Kyawt 
Geometry
A surveyor is 130 feet from a tower. The angle of elevation to the top of the tower is 32 degrees. Find the height 81.2 feet?
asked by Anonymous 
AppliedStats
Suppose that you bought a stock 6 years ago at $12 . The stock’s price at the end of each year is shown here. Year 1 2 3 4 5 6 Price 10 14 15 22 30 25 a) Compute the rate of return.
asked by Tara 
physics
When point charges q1 = +8.9 μC and q2 = +7.6 μC are brought near each other, each experiences a repulsive force of magnitude 0.10 N. Determine the distance between the charges. I got 6.08 m
asked by Naomi 
physics
A box rests on a frozen pond, which serves as a frictionless horizontal surface. If a fisherman applies a horizontal force with magnitude 37.5 N to the box and produces an acceleration of magnitude 2.80 m/s2, what is the mass of the box?
asked by Corrin 
Chem
4 NH3 + 3 O2 > 2 N2 + 6 H2O a.) Assume 3.0 mol O2 completely reacts. Calculate the moles required for the other reactant. Calculate the moles that can be produced for each product. b.) Assume 8.0 mol NH3 completely reacts. Calculate the moles required
asked by Deni 
physics
A capacitor,consisting of two metal plates each of area 50cm2 and space 0.2mm apart in air ,is connected across a 120V supply.Calculate (1)the energy stored..(2)the electric flux density and the potential gradient..
asked by jonathan 
physics
who develops more power,an 80kg man who walks up a height of 20 steps each 17.5cm high in 7second or one who pushes an 80kg box up a frictionless slope to a height of 5m in 10seconds? Give a reason for your answer
asked by mukuba 
Geometry
It is recommended that for a height of 20 inches a wheel chair ramp be 19 feet long. What is the value of x rounded to the nearest tenth? (Hint : All units must be the same)
asked by Anonymous 
Physics
determine the point of zero gravitation force, as measured from the centre of earth (mass 5.97 x 10^24 kg) to the sun ( mass 1.99 x 10^30 kg) if the earthsun distance is 150 x 10^6 km.
asked by S 
college math
A car rents for $260 per week plus $0.10 per mile. Find the rental cost for a three week trip of 800 miles
asked by bethany 
physics
A capacitor,consisting two metal plates each of area 50cm2 and spaced 0.2mm apart in air ,is connected across a 120V supply.Calculate (1)the energy stored (2)the ekectric flux density and the potential gradient..
asked by Anonymous 
Stastistics
A linear regression line y = 0.8x10 is computed to predict the final exam score y on the basis of the first score x on the first test. Maria scores 78 on her first test. What would be the predicted value of her score on the final exam?
asked by Nora trevino 
Chemistry
1. As the intermolecular forces between molecules increase in magnitude, do you expect each of the following to increase, decrease or remain the same? My answers: Viscosity: increase Boiling point: increase Vapor pressure: decrease Surface tension:
asked by Student 
english
Jimmy you must leave the room shut the door and be quiet. Which of the following options correctly punctuates the sentence above? A Jimmy, you must leave the room, shut the door, and be quiet. B. Jimmy; you must leave the room, shut the door and be quiet.
asked by sharon 
physics
A proton is placed in uniform electric field"E" what must be the magnitude and direction of electric field when electrostatic force is balanced by weight
asked by Anonymous 
Science
Locate the centre of mass of a system of two spherical masses of 5kg and 10kg kept with their centres 1m apart
asked by Falguni 
Physics
A bullet of mass 3.9 g was fired at a stationary ball of lead. The head on impact moved the 10 kg ball at a velocity of .3703 m/s. If energy losses due to heat and internal energy are ignored. What was the speed of the bullet? a)370 b)950 c)549 d)975
asked by Joe 
chemistry
Consider a sample of excited atoms that lie 3.211 × 10–19 J above the ground state. Determine the emission wavelength (in nanometers) of these atoms.
asked by Bibi 
DEAR REINY
dear reiny i am sim who posted 4 questions this morning i am in dubai and my final examinations are after 13 days and by the way those questions were not my homework or assignment those were some sums which we get on our school website and i had a doubt in
asked by sim 
physics
Consider the line passing through the center of the cue ball as the x axis. At the point of collision with the solid ball on the table, a line passing through the centers of the cue ball and the solid ball form a 45° angle with the X axis. Assume no
asked by Janice 
Physics
Sara dragged a 45N canoe for 36 seconds down the boardwalk. If Sara used 120 Watts of power, how long was the boardwalk?
asked by Susan 
college math
i have 12n how would 12n look if it was multiplied by 12
asked by bethany 
college math
in a conjecture the answer i got was 12n how would it look if it was to be part Amultiplied by 12 part Badd 12 to the product Part C divide the sum by 2 PArt Dsubtract 6 from the quotient
asked by bethany 
Trigonometry
Find the length of the shadow of a 50 ft vertical pole when the angle of elevation of the sun is 28 degrees
asked by Adrian 
english
Which of the following sentences is punctuated correctly? A. After you sign the agreement it is too late of course, to change your mind. B. After you sign the agreement, it is too late of course to change your mind. C. After you sign the agreement, it is
asked by sharon 
english
Which of the following sentences is written correctly? A When properly designed, an automobile can achieve great fuel efficiency. B. When properly designed an automobile can achieve great fuel efficiency. C. When properly designed, great fuel efficiency
asked by sharon 
maths
A profit of 20% is made on goods when a discount of 10% is given on the marked price. Profit per cent which will be made when a discount of 20% is given on the marked price is ____.
asked by sai kiran 
math
A number is divided into two parts such that one part is 10 more than the other. If the two parts are in the ratio 5:3. Find the number and the two parts
asked by sim 
algebra 1
Find the slope of the line passing through the points given below or state that the slope is undefined. Then indicate whether the line through the points rises, falls, is horizontal, or is vertical (8,2) and (9,6)
asked by leree 
chemistry
what mass of excess reactant remians when the reaction is completed?
asked by dennis 
Trig
Find all values of theta where 0degrees
asked by Lara 
mathematics
The sum of first m terms of an A.P is 5m²+3m. If its nth term is 168. Find the value of m. Also find the 20th term.
asked by seema ramsing 
Spanish 2
Los domingos, a mis hermanos y a mí nos fascinaba...?
asked by Emily Tate 
Geometry
The top of a valentine candy box is in the shape of an equilateral triangle if the altitude of the triangle is 8cm what is the perimeter of the triangle
asked by Anonymous 
college math
estimate the total cost of 97 shirts at $19.95 each
asked by bethany 
Programming
#include int main() { char ch; printf("Enter Your State Name : "); scanf("%c",&ch); if(ch == 'a') printf("Shipping Charge : $25"); else if(ch == 'b') printf("Shipping Charge : $50"); else if(ch == 'c') printf("Shipping Charge : $65"); else printf("The
asked by Borhan 
chemistry
volume of 0.5 N sodium hydroxide required to neutralize 20 ml of 0.1 N acetic acid ?
asked by gurinder 
Math
the ratio of the mass of flour in packet A to the mass of packet B is 1:2 Mrs anand uses 1/3 of flour in packet A . what is the new ratio of the flour in packet A to the mass of flour in packet B.
asked by Shakira 
maths
In the given figure, O is the center of the circle and
asked by hygff 
Trig
Find all values of theta where 0degrees
asked by Lara 
MATH
Q1. Prem scored 85 marks on a test containing 100 problems. He attempted all the problems and his score was calculated by subtracting two times the number of wrong answers from the number of correct answers. How many problems did she score correctly? Q2.
asked by sim 
early education
What problems might nonEnglish speaking preschoolers encounter in their attempts to play with others
asked by susanne 
Math
Please check my answer. Four girls went to Friendly's. The check comes to $36. They want to leave a 20% tip. How much should each girl pay? 36 ÷ 4= $9.00 $9.00 × 20%= $1.80 $1.80 + 9.00= $10.80 each
asked by Loni 
physics
Temperatures are often measured with electrical resistance thermometers. Suppose that the resistance of such a resistance thermometer is 177Ω when its temperature is 28.7 °C. The wire is then immersed in a liquid, and the resistance drops to 116Ω. The
asked by ted 
Geometry
What is the converse
asked by Anonymous 
yale
what does brain processing and development described as use it or loose it mean?
asked by MOnica 
Math
each side of a cube is increasing at the rate of 9 cm/s.When the length of each side is 5 cm , find the rate of increase of its volume and total surface area.
asked by Borhan 
math
The length of a rectangle is 8 metres less than twice its breadth. If the perimeter of the rectangle is 56metre, find its length and breadth.
asked by sim 
Math
in a changing room, lockers are assigned the numbers 1,2,3,…, up to 99. If a locker is selected at random, find the probability that the locker number is A) a multiple of 5 B) a positive square number C) greater than 99
asked by Ledyyyy 
Real Analysis (Math)
Prove: [1/sqrt(2)] [sqrt(a) + sqrt(b)]
asked by Mirie 
chemistry
a) The combustion of an organic compound in the presence of excess oxygen produced a gas , which makes clear lime water turbid. What element can be identified? b) A sample of this compound is treated with hot molten sodium metal, the obtained mixture is
asked by angy 
Trig
Find all values of theta where 0degrees
asked by Lara 
Trig.
If TanTheta= 65/72 and the terminal side of theta lies in Quadrant II use a pythagorean identity to find sec theta.
asked by Joe 
Math
I am a little confused with this: How do I change 8 1/3% into a fraction? Can someone explain or show me so I can understand? Thanks
asked by Alec 
Math
Can somebody show or explain this to me: Change 6 2/3% to fraction and .6 1/3 to a decimal or fraction.
asked by Dave 
chemistry
a) The combustion of an organic compound in the presence of excess oxygen produced a gas , which makes clear lime water turbid. What element can be identified? b) A sample of this compound is treated with hot molten sodium metal, the obtained mixture is
asked by angy 
Geometry
A 16 foot ladder is leaning against a house. It touches the bottom of a window that is 12.5 feet above the ground. What is the measure of the angle that the ladder forms with the ground? 38.6 degrees?
asked by Anonymous 
SS
What were some of Louis XVI's political beliefs/views?
asked by Anonymous 
English
Which is correct? They want my sister and I to go away. They want my sister and me to go away. I think it's the first one?
asked by Anonymous 
Maths
If events A and B are such that they are independent and p (a) = 0.3 and p(b) = 0.5 Find p (a n b) and p (a u b)
asked by JT 
math
A person weighs 120pounds on earth weighs 20 pounds on the moon how much does a 90 pound persob weigh on the moon
asked by Raheem 
math
Mike and Sandra leave the seashore at the same time. Mike drives northward at a rate of 55mph, while Sandra drives west at 65mph. Find how far apart they are after 3 hours to the nearest mile.
asked by lissa 
chemistry
Calculate the vapor pressure over the solution, the amount of vapor pressure is lowered at 25°c and 100°c?
asked by sgal 
physics
A force makes an angle of 60° with yaxis.Find xcomponent of force.
asked by Hassan 
MSJC
Simplify 2+(4+9)2{183[7(86) +1}
asked by Sheryl 
math
The measures of two angles which form a linear pair are in the ratio 2:7. Find the measures.
asked by sim 
Math
How many 2'4s for a room 26'12
asked by Chas 
Math
A 3digit positive integer is selected at random. Find the probability that A) The last two digits of the number is 22 B) The number is greater than 900 C) The number is less than 100 D) The number contains at least one digit 8
asked by Ledyyyy 
math
What will be the volume of cylinder in which area of the base is 45sq.cm and height is 6cm?
asked by Riddhima 
physics
A bob of a pendulum 100cm long swings through 20cm,find theta in radian and degree
asked by wilson 
Math
How many 2x4s needed for a room 26x12
asked by Anonymous 
english
how can i compare with with the Poem brothers by andrew and nettles with Of Mice and men similarties between them
asked by HELP 
English
Why my school should be awarded the best
asked by Article 
Social Studies
what Century was 1044
asked by little dark one 
Geography ,life science
Plz help me I don't understand the charpter of cells in life science
asked by Mankosi 
maths
4x+16y:32 and 4x+y:17
asked by jonathan 
maths
Sum of first 30terms of an a.P. are equal to first 20 terms.show that the sum of first 50terms of the same ap is zero
asked by Anonymous 
French
Are these grammatically correct? 1. This movie had me laughing from beginning to end. Ce film m'a fait rire du début à la fin . 2. The children in it are all exceptional actors and the writer is brilliant in his writing and humor. Les enfants de ce sont
asked by TJ 
Geometry
When can 9.27 round to 9.30
asked by Anonymous 
Physics
a 1.2 kg magnet is capable of holding up a 0.5 kg mass. the magnet is placed on a vertical refrigerator door and given an initial push so that it slides up the door with an initial velocity of 0.11 m/s. if the coefficient of kinetic friction between the
asked by S