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One hundred people were asked what type of TV programs they like out of news (N), movies (M) and documentaries (D). 64 like news, 80 like movies, 2 like only documentaries, 23 like movies and...

The admission fee at an amusement park is $1.50 for children and $4 for adults. On a certain day, 303 people entered the park, and the admission fees collected totaled 792.00 dollars. How many children...

The motorboat could go 15 miles downstream in 3 hours, but took 2 hours longer to go 10 miles upstream. What is the speed of the current?

The number of rabbits vary inversely as the number of foxes and directly as the number of cabbages. When there were 120 rabbits, there were 15 foxes and 300 cabbages. How many cabbages were...

Hello I shall include a picture of the question and my current workings at the bottom. 'The combustion of benzoic acid yields ΔcUo298 = -3227 kJ mol-1. Calculate ΔcHo298.' https://i...

When an electron moves from A to B along an electric field line in the figure, the electric field does 5.25 × 10-19 J of work on it. What are the electric potential differences (a)VB - VA, (b)VC -...

If x=60^x find x

If a doctor sees 4 patients for one hour sessions daily 4 days per week, if 100% of patients return the next month for a 30 minutes follow up, and this pattern continues every month, how many months...

Joseph has 13 coins in his wallet, some of which are 10c coins and the rest are 5c coins. The total value of the coins is Lm1.05. Let x represent the number of 10c coins and y represent the number...

how many types of binomial tests are there ?/

The alternatives are as follows a. It would be a motive for drawing districts to favor one party (gerrymandering), b. It would destroy the existing two-party system, c. some states would lose all...

The alternatives are as follows: a. It would not address the "winner-take-all" issue, b. It would not eliminate faithless electors, c. It would not guarantee that the candidate with...

The first three terms of an Arithmetic Progression are ( x + 1 ), ( 4x - 2 ) and ( 6x - 3).If the last term is 18, find x

This is the problem: ½ log a (x+2) + ½ log a (x-2) = 2/3 log a 27 And, this is what the teacher gave as notes to solve the problem: Log a √x+2 + log a...

Random number generation in simulation

Consider the following diprotic acid. H2A+H2O⇀↽H3O+ +HA− Ka1 =5.8×10^-3 HA− +H2O⇀↽H3O+ +A2− Ka1 =8.5×10^-4 The initial concentration of H2A = 0.0010 M. 1...

The mean and standard deviation of five observations are 9 and 0 respectively. If one of the observations is changed such that the mean of the new set of five observations becomes 10, what is their...

Two Hikers walked 35miles and The Difference is 25 miles what are the distance

application of ratios