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3.5 Multiply 62 by 35, firstly by breaking down 35 in its terms (30+5) and secondly by breaking down 35 in its factors (5×7). Show all your steps
An object is placed between a converging
lens and a plane mirror. Explain how two real images of the object may be
produced by the system. If the focal length of the lens is 15 cm and the object is 20 cm from both the lens and the mirror. Calculate the distances of the two images from the lens.
The orbital time of Neptune around the Sun is 165 Earth years and its orbital path is 30 times longer than that of the Earth.
a) Calculate the orbital speed of Neptune relative to the Earth. orbital speed
b) State how the speed of travel of Neptune compares with that of the Earth.
Using the moles of AgNo3 how many moles of Ag2CO3 will you have after the reaction is complete?
An alloy is prepared by mixing 60g copper and 70g zinc. Find the percentage by mass of copper and zinc.
during a high school spirit week student dress up in costumes. a cash price is given to students with the best costume the organization committee has $1000 to give away over 5 days the committee wants to increase the price by $50 each day how much should the committee give away on the first day?
If 465cm³ of SO2 can diffused through a porous partition in 30secs , how long will 620cm³ of hydrogen sulphide take to diffuse through the same (H=1,S=32,O=16)
400cm³ of gas x diffused through a porous pot in 2 minutes calculate the rate at which gas x diffused
Write a program that ask the user to enter the current year and the year of birth. Then, the program should compute the age by subtracting the year of birth from the current year and display the result (which represents the age). Use the following formula: 𝐴𝑔𝑒 = 𝑐𝑢𝑟𝑟𝑒𝑛𝑡 𝑦𝑒𝑎𝑟 − 𝑏𝑖𝑟𝑡ℎ 𝑦𝑒𝑎
how to Write a program that asks the user to enter the number of people he wants to compute the ticket price for. Then, your program should ask the user to enter the age for each person and calculate the ticket price of each entered age using the given formula, then display the result with two digits after the decimal point.𝑇𝑖𝑐𝑘𝑒𝑡 𝑃𝑟𝑖𝑐𝑒 = √𝑎𝑔𝑒 + 10
#339914 on Dec 2023