08/05/2020 Senior Class IGCSE Mock Exams(Mathematics) 0Comments by Gate Academy Please, fill out the information below to continue. NAME E,MAIL PHONE NUMBER 1. On a semicircle with diameter AD, chord BC is parallel to the diameter. Further, each of the chords AB and CD has length 2, while AD has length 8. What is the length of BC? 5757152. The cost(y) of feeding n people for a week is given as y = 250 + 80n, where y is expressed in dollar ($). What is the cost of feeding two persons?$80$410$160$6603. Evaluate: 27.63² - 22.37²241.327.7189.0263.04. Henry throws a coin twice. The coin is biased so the probability of landing a head is 2/5. Find the probability that Henry throws a tail and a head (in any order)3/41/212/259/255. Given that sin θ = 4/5, the value of (1 - cos²θ) for 0°< θ < 90° is9/259/162/516/256. If a 24 hour day is represented on a pie chart, what is the angle of the sector corresponding to the period between 3 pm on a Monday and 6 am on the following Tuesday?225 degrees270 degrees240 degrees180 degrees7 out of 6Time is Up!