My answer booklet says the answer is 4/2 (or 1/2), but I don't understand why it's not 4/1. Thank you in advance!

My answer booklet says the answer is 4/2 (or 1/2), but I don't understand why it's not 4/1. Thank you in advance!

My manager has asked me to use 400kg worth of ingredients. Those ingredients are divided as follows: 190 kg chicken, 115 kg eggs, 95kg sugar. 10 minutes later, my manager informed me that the total...

The perimeter of a triangle is 10 (that is, a+x+(x+1)=10). Use this and the cosine law to solve for x. Round answers to 2 decimal places. Triangle: <BAC: 60degrees line...

The question: Trains run along the Bettingland Line between Betson and Winsome (via Hope) roughly once per hour in each direction. It is proposed to increase the frequency to be one train every 15...

5/8 of 75m in mixed numbers

How would I calculate whether a period is PI? Is there an equation? I have a question on an assignment which asks to find out where the period is equalled to PI.

1. Expand (a - 1/a)2 2. If a > 1 and a2 + 1/a2 = 706/225, find the value of i) a - 1/a ii) a + 1/a iii) a

Salary of Mr. X is 50% more than salary of Mr. Y. What percent of Mr. X's salary is Mr.Y's?

A club has to buy x gold medals, y silver medals and z bronze medals for an event. When the prices of gold, silver and bronze medals are $30, $20 and $10 each respectively, the total cost is $410...

A parabola graph has the Vertex and Y-intercept is A(0,8) and x-intercepts of B(3,0) and C(-3,0).... Question 1) The parabola has the equation ax^2+bx+c , Use "A(0.8)"...

please write out steps to get the anwser

Expand (√5 + 2√3)(√5 -2√3). Express your answer as simply as possible. Please explain how to answer this question. Thanks :)

Rationalise the denominator of 21/√7 and simplify the answer. Please explain a) what this question means and b) how to answer it. Thanks :)

Solve 3/x + 3/2x = 2 Please explain how to answer this question. Thank you :)

3 x square root of 27 = 3^n Find the value of n. Please explain how to answer this question. Thank you :) P.S. How do you insert a square root symbol (so as...

A tetrahedron has edges of 5cm each. What is the angle between any two faces? Please explain how to answer this question. Thanks :)

please help, its damn urgent .it is the trickiest of all! Imagine you are playing a new version of the game of chess, called x chess. the rules are same, with just one exception. You have...

an art exhibition was held from friday to sunday. 50 more people attended on saturday than on friday, and 80 more people attended on sunday than on saturday. a total of 540 people attended the exhibition...

A) Estimate the isothermal compressibility of a dry gas for use at 4,200 psia using the following data taken at 120 oF. B) Some of this gas is placed in a piston cylinder and pressurized...

Hi there, I I have a question about Physics/ chemistry. If I have a bag of iron oxide(lll) and powdered aluminium in the ratio of 3:1 totalling 72g, with 54g being Fe2O3 and 18g of 2Al, what...