Questions Asked on
June 11, 2019

Science
The solubility of CO2 in water at 25 degree celsis and 1 atm is 0.034 mol/L . what is the solubility under atmospheric condition? Assume that CO obeys henry's law. ( the partial pressure of CO2 in air is 0.0003 ATM

Math
A man spends 1/5 of salary on shoes and 2/3 on school fees.what fraction of his salary is left?

English
if the Maori and the Haida people decided to create a myth together, what would most likely be the value expressed?

Math
64 is 4 times the difference between Sarah's age, a, and 44. Assume Sarah is older than 44. Write an equation to determine Sarah's age (a)

science
Three point charges are located on the xaxis. The first charge, q1 = 10.0 µC, is at x = 1.00 m; the second charge, q2 = 20.0 µC, is at the origin; and the third charge, q3 = 30.0 µC, is located at x = 2.00 m. Which charge is subjected to the force of

chemistry
An unknown object is placed on a balance, which then reads 6.118 g. Its volume is measured to be 3.04 cm3. Find the density of this object by dividing mass by volume.

Algebra I
Roger gets $40 per day as wages and $4.50 as commission for every pair of shoes he sells in a day. His daily earnings goal is $112. Write an equation to determine how many pairs of shoes, p, Roger must sell in a day to meet his daily earnings goal. How do

Math
What is the length of the line segment between A(–5, 8) and B(7, 8)? A. 2 units B. 3 units C. 12 units D. 13 units

Maths
subtract 243 base 5 from 243 base 6?

Physics
A person goes to market, makes purchases and comes back at a constant slower speed. Draw displacement time and velocity time graph of the person?

math
You have been asked to build a scale model of your school out of toothpicks. Imagine your school is 30 feet tall. Your scale is 1 ft:1.47 cm. If a toothpick is 6.3 cm tall, how many toothpicks tall will your model be?

Physics
three horizontal forces are pulling on a ring at rest F1 is 100 N at a 45 degree angle and F2 is 135 N at a 160 degree direction what is the x component of F3

geometry
The origin O and the points P(4,1) , Q(5,5) and R(1,4) form a quadrilateral. a) show that OR is parallel to PQ. b) show that OP is parallel to RQ. c) show that OP = OR. I found the answers to a & b through the use of gradients. However i do not know what

Physics
three horizontal forces are pulling on a ring at rest F1 is 6.25N at a 180 degree angle and F2 is 8.90 N at a 243 degree direction what is the x component of F3

Math
Write an equation and solve. Round to the nearest hundredth where necessary. 64 is 80% of what? A 80 = 64 • n; 1.3 B 64 • n = 80; 0.8 C 64 = 0.80 • n; 80 D 0.64 • n = 80; 125 Is it C?

math
: Find the value of x in the figure.

Physics
A 7.30 kg sign hangs from two wires. The first wire is attached to the left end,and pulls 28.0 N directly left. What is the X component of the force of the second wire

Physics
Find correct to the nearest degree, the angle between p=12i  5j and q=4i + 3j?

Math
A table tennis ball is dropped from a height of 5ft. The ball rebounds to 60% of its previous height after each bounce. Write an infinite geometric series to represent the distance that the ball travels after it initially hits the ground. (hint, the ball

Physics
Given the vectors A=3i+2j3k and B=4i4j+2k, find B*A?

Chemistry
sodium trioxocarbonate(iv) crystals NaCO3.XH2O contains 62.94% by mass of water of crystallization.Find the value of X?

Maths
How to write y²+6y+9+4y⁴ in standard form

Chemistry
Two flask were connected by a narrow glass tube with a closed tap. One flask contained 300cm^3 of oxygen at 1.0x10^5Nm^2 while the 200cm^3 of notrogen at 2.0x10^5Nm^2.After opening the tap, calculate the (a)partial pressure of each gas. (b)total pressure

Physics
The lower fixed point of an graduated thermometers 20degree office much is 100 calculate the equivalent reading in Kelvin scale thermometer?

science
calculate the mass of solute needed to preaqe 1000ml of 1.1M CuSO4

Physics
The lower fixed point of an graduated thermometers 20degree of much is 100 calculate the equivalent reading in Kelvin scale thermometer?

Physics
The half life of an element Z is 10days. if there are 10g of Z intially, what will be its mass after 40 days?

math
How many kilometers can motorist travel 8:55 am to 10:15 pm at a rate of 60km/hr

Math
1/2,3/2 and 6/2 find the value

Maths
7crores +2ten thousand+1 thousand +4its standard form

Chemistry
The percentage of CHO in vitiamin C was determined by buring a simple weighing 2.00mg. The masses of carbon(iv)oxide and water formd are 3.00mg and 0.816mg respectively. From this, find the percentage of each element and the emperical formular of vitamin

physics
the bob of a simple pendulum moves simple harmonically with amplitude 8.0cm and perid 2.00s. its mass is o.50kg. the motion of the bob is undemped. calculate the maximum values for: {a} the speed of the bob {b} the kinetic energy of the bob.

math
3cos^2(theta)3 = 5sin(theta)2

English
Do you think our society will ever be able to eliminate all crime? Why, or why not?

World History
Which statement most correctly describes the treatment of African Americans during the Vietnam War? African American soldiers were often promoted to leadership positions due to the vigorous fighting spirit of their segregated units. African American

Science
Give two planning for an investigation to test the hypothesis formulated in question 1.1.

American History
Which statement most accurately identifies how economic concerns were addressed during President Obama’s first term? Automakers and financial institutions were given bailouts to remain in business. The Obama Administration pushed through legislation that

English
Why are plays divided into acts and scenes?

math
3cos^2(theta)3=5sin(theta)2

physics
simple+pendulum+period&FORM=HDRSC2

World History
Which options accurately describe cultural practices of the Byzantine and Arab Empires? I think its a and c

World History
Which accurately describes successors of the Arab Empire following the death of Muhammad? Members of the Boko Haram clan served as caliphs following the death of Muhammad. Members of the Umayyad clan served as caliphs following the death of Muhammad.

Maths
the length of room is twice its breadth. if the area is 242 square meters then find out it's breadth a) 11 b) 10 c) 12 d) 9 show ur workings?

Math
If the height of an octagonal prism is 11, what is the volume of the box?

Math
If the height of a box that is an octagon is 11, what is the volume? Please help me!!!

business brainstorming
Can anyone help me think of what a value chain analysiss would look like for a plywood mill? please dont give me links becuase Ive tried looking it up. I know I need to find primary and secondary activities to lead me to the anaylis. can anyone help? also

Mathematic
Indice

Math
If the volume of the box is 369 inches, what is the height of the box, considering the original height of it was 7 inches?

math
factorize the following expressions and if possible show your steps 4x+20 3y^2+12y x^2+4y21

Chemistry
Predict the mode of decay for Mn59. a. beta decay

Maths
The probability that John solved a particular problem is 1/3 and the probability that James solved the same problem is 1/5, if they both attempt the problem, what is the probability that it will be solved by at least one of them?

math
A company's board of directors wants to form a committee of 3 of its members. There are 5 members to choose from. How many different committees of 3 members could possibly be formed?

math
Find all zeros of the function f(x)=16x^348x^2145x75 Please help ASAP!!! :(

geography
did the french ever go down to mexico with the spanish

Chemistry
An organic compound commonly used as a disinfectant is Toluene Glycol Styrene Phenol Which of the following is the least soluble in water? Al(OH)3 Ca(OH)2 NaOH KOH The factor that lowers the activation energy of a chemical reaction is Pressure Temperature

Math
You are given 11 tiles. They are N,A,C,O,G,D,O,C,H,E,S What is the probability of 1st "choosing an "S" and 2nd choosing a "C", if the tile has been replaced?

Math
I posted this question yesterday. I need to find the perimeter of a shape with two unknown sides. The sides I have are 3x, 2x, 6x5, 5x2 . They do not give me total perimeter . I get 1 Mark for each missing side length, 1 Mark for each calculation, and 1