Questions Asked on
July 4, 2018

science
The potential of hydrogen electrode is 118MV.thr H^+ concentration of the solution is a)0.01M b)2M C)10^4M d)1M

Calculus
A radar gun was used to record the speed of a car (in feet per minute) during selected times in the first 2 minutes of a race. Use a trapezoidal sum with 4 intervals to estimate the distance the car covered during those 2 minutes. Give a 2 decimal place

History
How did Otto von Bismarck help to bring about German unification? A) As minister president, he achieved political compromise with the Prussian legislature B) He created the position of kaiser, serving as the first one in the German Empire C) He became a

rfvv
1. Alice (is studying) hard for an exam. 2. Alice ( is *doing*) hard for an exam. Thank you for your help. The correct words for the blank in Sentence 1 (in the reading text) is 'is studying'. However, a student wrote 'is doing' instead. The point for 'is

English
1. The club will ( perform ) at the school festival next month. 2. The club will *play* at the school festival next month. ====================== Thank you for your help in many ways. The correct word for the blank in Sentence 1 (in the reading text) is

Math
Consider an even money game that pays 4:3 if event A occurs. What is the probability of event A? I am thinking that here, probability = denominator of odds / (denominator of odds + numerator of odds) but I find other sources say odds = probability / (1p)

Maths
Show that the minute hand of a watch gains 5°30' on the hour hand in a minute

Leadership
Can someone help me understand the 16th law of John Maxwell in 21 Irrefutable Laws of Leadership which is the Law of Momentum or BIG MO and give some example to make me understand a little further? Thank you

US History
I am having a really hard time with this assignment. Can anyone cross check my answers? Thank you 1.The term participatory democracy applies most accurately to which of the following societies? A. Greece in the fourth century B.C. B. Modern China C. The

Gen Math
1. Given the functions f(x)=x(cube)27 and g(x)=x3, find: A. (f/g)(x) B.(g/f)(x) 2. Let d(y)=square root of 2x and d(y)=square root of x1, determine: A. (d/y)(x) B. (c/d)(x)

Chemistry
Calculate the frequency and wavelength of proton with energy 3.98

Maths
Pie=circumference of circle / Diameter of circle Then why pie is irrational no.

math
Use the following information to answer the question: Cost of car: $26,000 Residual value: $6,000 Life: 5 years

algebra
8y=7+14x 18y2=7x

Economics
Prove the profit maximization of the consumer i.e mu=p according to cardinalist using mathematical derivation.

electronic
A 1mm cross section of copper wire is isolated. The charge that flows through the cross section is Q t = 4t^2 + 5 How much current flows through the wire in 6 seconds?

English
posted by rfvv yesterday at 9:28pm 1. recipe: a set of instructions that tell you how to cook something 2. *cooking*: a set of instructions that tell you how to cook something ================================= Recipe is the right one for the definition.

English
1. Alice is studying hard for an exam. [Righ Answer, 2 points] 2. Alice is working hard for an exam. [2 points] 3. Alice is learnng hard for an exam. [2 points]  Are they all the same in meaning? Instead of 'studying', can we use

algebra
Find a quadratic model for the set of values: (2, 20), (0, 4), (4, 20). Show your work Please help!

Math
Math 10 pre calc chpt 1 In a basement renovation, the contractor measured the length of a wall in a square room as 18ft.4in. The width of the doorway is 3 ft. The contractor plans to place wood trim along the bottom of each wall. The trim costs 1.69/ft.

English
posted by rfvv today at 12:00am 1. The club will ( perform ) at the school festival next month. 2. The club will *play* at the school festival next month. ====================== Thank you for your help in many ways. The correct word for the blank in